Spectral AI stake of 6.2% reported by LMR group

LMR-affiliated investment entities reported a significant ownership position in Spectral AI, Inc. (MDAI).

Rhea-AI Filing Summary

LMR-affiliated investment entities reported a significant ownership position in Spectral AI, Inc. (MDAI). As of June 30, 2026, LMR Master Fund and LMR CCSA Master Fund together held warrants exercisable for 2,106,358 shares of Common Stock. These warrants represent approximately 6.2% of Spectral AI’s outstanding Common Stock, based on 31,823,985 shares outstanding as of May 29, 2026, plus shares that may be acquired within 60 days. The LMR Investment Managers share voting and dispositive power over these securities, with no sole voting or dispositive power reported for any individual Reporting Person.

Key Figures

Warrants held by each fund: 1,053,179 shares Total shares issuable upon exercise: 2,106,358 shares Percent of class beneficially owned: 6.2 % +5 more

8 metrics

Warrants held by each fund 1,053,179 shares Warrants to purchase Spectral AI Common Stock held by each of LMR Master Fund and LMR CCSA Master Fund

Total shares issuable upon exercise 2,106,358 shares Total shares of Common Stock issuable upon exercise of warrants held by both funds

Percent of class beneficially owned 6.2 % Aggregate percentage of Spectral AI Common Stock deemed beneficially owned by the Reporting Persons

Percent of class per fund 3.2 % Percentage of Common Stock represented by the warrants held by each of LMR Master Fund and LMR CCSA Master Fund

Shares outstanding baseline 31,823,985 shares Spectral AI Common Stock outstanding as of May 29, 2026, used to calculate ownership percentages

Shared voting power 2,106,358 shares Shares over which each Reporting Person has shared power to vote or direct the vote

Shared dispositive power 2,106,358 shares Shares over which each Reporting Person has shared power to dispose or direct disposition

Reporting date for ownership June 30, 2026 Date as of which ownership and powers are reported

Key Terms

beneficially owned, shared voting power, shared dispositive power, Schedule 13G, +2 more

6 terms

beneficially owned financial

"The Common Stock beneficially owned by the Reporting Persons is directly held"

Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.

shared voting power financial

"each of the Reporting Persons had shared power to vote or direct the vote"

Shared voting power occurs when two or more parties jointly have the right to vote or decide how a block of company shares is cast, like co-owners who must agree before moving a piece of furniture. Investors care because who controls voting rights affects board elections, major corporate decisions and takeover outcomes, and shared control can alter regulatory disclosures and the practical influence any holder has over a company’s direction and value.

shared dispositive power financial

"each of the Reporting Persons had shared power to dispose or to direct the disposition"

Schedule 13G regulatory

"I also undertake to furnish to the Commission staff, upon request, information that would otherwise be disclosed in a Schedule 13D."

A Schedule 13G is a formal document that investors file with the government when they acquire a large ownership stake in a company, usually for investment purposes rather than control. It helps keep the public informed about who owns significant parts of a company's shares, which can influence how the company is managed and how investors make decisions. Filing this schedule is important for transparency and understanding the ownership landscape of publicly traded companies.

investment managers financial

"the "LMR Investment Managers", which serve as the investment managers to certain funds"

warrants financial

"directly holds warrants to purchase 1,053,179 shares of Common Stock"

Warrants are special documents that give you the right to buy a company's stock at a set price before a certain date. They are often used as a way for companies to attract investors or raise money, and their value can increase if the company's stock price goes up.

FAQ

What stake in Spectral AI (MDAI) do the LMR entities report on this Schedule 13G?

The LMR Reporting Persons report beneficial ownership of 2,106,358 shares of Spectral AI Common Stock on an as-exercised basis, representing approximately 6.2% of the class as of June 30, 2026.

How is the 6.2% ownership in Spectral AI (MDAI) calculated?

The 6.2% interest is based on 31,823,985 outstanding shares of Spectral AI as of May 29, 2026, plus shares issuable upon exercise of the LMR funds’ warrants that may be acquired within 60 days.

Which LMR funds hold Spectral AI (MDAI) warrants and in what amounts?

The filing states that LMR Master Fund and LMR CCSA Master Fund each hold warrants for 1,053,179 shares of Spectral AI Common Stock, totaling 2,106,358 shares issuable upon exercise.

Who are the Reporting Persons for the Spectral AI (MDAI) Schedule 13G?

Reporting Persons include LMR Partners LLP, several related LMR entities, and individuals Ben Levine and Stefan Renold, who are ultimately in control of investment and voting decisions for the LMR Investment Managers.

What voting and dispositive powers do the LMR entities have over Spectral AI (MDAI) shares?

Each Reporting Person reports 0 shares with sole voting or dispositive power and 2,106,358 shares with shared voting and shared dispositive power as of June 30, 2026.

Are the Spectral AI (MDAI) securities held directly by the LMR Investment Managers?

No. The securities are directly held by LMR Master Fund and LMR CCSA Master Fund. The LMR Investment Managers act as investment managers and thus report beneficial ownership of the underlying warrants.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 08/14/2026 - 09:48 AM Accepted by SEC EDGAR 08/14/2026 - 09:48 AM Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

Spectral AI, Inc.

(Name of Issuer)

Common Stock, par value $0.0001 per share

(Title of Class of Securities)

84757T105

(CUSIP Number)

06/30/2026

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

schemaVersion:

SCHEDULE 13G

CUSIP Number(s): 84757T105

1

Names of Reporting Persons

LMR Partners LLP

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

UNITED KINGDOM

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 2,106,358.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 2,106,358.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

2,106,358.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

6.2 %

12

Type of Reporting Person (See Instructions)

IA, PN

SCHEDULE 13G

CUSIP Number(s): 84757T105

1

Names of Reporting Persons

LMR PARTNERS Ltd

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

HONG KONG

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 2,106,358.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 2,106,358.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

2,106,358.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

6.2 %

12

Type of Reporting Person (See Instructions)

CO, IA

SCHEDULE 13G

CUSIP Number(s): 84757T105

1

Names of Reporting Persons

LMR Partners LLC

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 2,106,358.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 2,106,358.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

2,106,358.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

6.2 %

12

Type of Reporting Person (See Instructions)

IA, OO

SCHEDULE 13G

CUSIP Number(s): 84757T105

1

Names of Reporting Persons

LMR Partners AG

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

SWITZERLAND

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 2,106,358.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 2,106,358.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

2,106,358.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

6.2 %

12

Type of Reporting Person (See Instructions)

CO, IA

SCHEDULE 13G

CUSIP Number(s): 84757T105

1

Names of Reporting Persons

LMR PARTNERS (DIFC) Ltd

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

UNITED ARAB EMIRATES

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 2,106,358.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 2,106,358.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

2,106,358.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

6.2 %

12

Type of Reporting Person (See Instructions)

CO, IA

SCHEDULE 13G

CUSIP Number(s): 84757T105

1

Names of Reporting Persons

LMR Partners (Ireland) Limited

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

IRELAND

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 2,106,358.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 2,106,358.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

2,106,358.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

6.2 %

12

Type of Reporting Person (See Instructions)

CO, IA

SCHEDULE 13G

CUSIP Number(s): 84757T105

1

Names of Reporting Persons

Ben Levine

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

UNITED KINGDOM

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 2,106,358.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 2,106,358.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

2,106,358.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

6.2 %

12

Type of Reporting Person (See Instructions)

HC, IN

SCHEDULE 13G

CUSIP Number(s): 84757T105

1

Names of Reporting Persons

Stefan Renold

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

SWITZERLAND

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 2,106,358.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 2,106,358.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

2,106,358.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

6.2 %

12

Type of Reporting Person (See Instructions)

HC, IN

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Spectral AI, Inc.
(b)	Address of issuer's principal executive offices: 2515 McKinney Avenue, Suite 1000, Dallas, Texas, 75201
Item 2.
(a)	Name of person filing: This statement is filed by: (i) LMR Partners LLP, LMR Partners Limited, LMR Partners LLC, LMR Partners AG, LMR Partners (DIFC) Limited and LMR Partners (Ireland) Limited (collectively, the "LMR Investment Managers"), which serve as the investment managers to certain funds with respect to the Common Stock, par value $0.0001 per share ("Common Stock"), held by certain funds; and (ii) Ben Levine and Stefan Renold, who are ultimately in control of the investment and voting decisions of the LMR Investment Managers with respect to the securities held by certain funds. The foregoing persons are hereinafter sometimes collectively referred to as the "Reporting Persons."
(b)	Address or principal business office or, if none, residence: The address of the principal business office of each of the Reporting Persons is c/o LMR Partners LLP, 9th Floor, Devonshire House, 1 Mayfair Place, London, W1J 8AJ, United Kingdom.
(c)	Citizenship: LMR Partners LLP is a United Kingdom limited liability partnership. LMR Partners Limited is a Hong Kong corporation. LMR Partners LLC is a Delaware limited liability company. LMR Partners AG is a Swiss corporation. LMR Partners (DIFC) Limited is a United Arab Emirates corporation. LMR Partners (Ireland) Limited is a limited company incorporated in Ireland. Ben Levine is a citizen of the United Kingdom. Stefan Renold is a citizen of Switzerland.
(d)	Title of class of securities: Common Stock, par value $0.0001 per share
(e)	CUSIP Number(s): 84757T105
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
	Investment Adviser
Item 4.	Ownership
(a)	Amount beneficially owned: The information required by Items 4(a) - (c) is set forth in Rows 5 - 11 of the cover page for each of the Reporting Persons and is incorporated herein by reference. As of June 30, 2026: The Common Stock beneficially owned by the Reporting Persons is directly held by LMR Multi-Strategy Master Fund Limited ("LMR Master Fund") and LMR CCSA Master Fund Ltd ("LMR CCSA Master Fund"). Each of LMR Master Fund and LMR CCSA Master Fund directly holds warrants to purchase 1,053,179 shares of Common Stock ("Warrants"), with a total of 2,106,358 shares of Common Stock issuable upon the exercise of the Warrants.
(b)	Percent of class: The shares of Common Stock issuable upon the exercise of the Warrants held by each of LMR Master Fund and LMR CCSA Master Fund represent approximately 3.2% and the shares of Common Stock issuable upon the exercise of the Warrants held by LMR Master Fund and LMR CCSA Master Fund in the aggregate represent approximately 6.2% of the outstanding shares of Common Stock, based on 31,823,985 shares of Common Stock of the Issuer outstanding as of May 29, 2026, as reported in the Issuer's Form 8-K filed with the Securities and Exchange Commission on June 1, 2026, plus shares that may be acquired by such Reporting Persons within 60 days.
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: As of June 30, 2026, each of the Reporting Persons had sole power to vote or direct the vote of 0 shares of Common Stock.
	(ii) Shared power to vote or to direct the vote: As of June 30, 2026, each of the Reporting Persons had shared power to vote or direct the vote of 2,106,358 shares of Common Stock.
	(iii) Sole power to dispose or to direct the disposition of: As of June 30, 2026, each of the Reporting Persons had sole power to dispose or to direct the disposition of 0 shares of Common Stock.
	(iv) Shared power to dispose or to direct the disposition of: As of June 30, 2026, each of the Reporting Persons had shared power to dispose or to direct the disposition of 2,106,358 shares of Common Stock.
Item 5.	Ownership of 5 Percent or Less of a Class.
	Not Applicable
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	If any other person is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities, a statement to that effect should be included in response to this item and, if such interest relates to more than 5 percent of the class, such person should be identified. A listing of the shareholders of an investment company registered under the Investment Company Act of 1940 or the beneficiaries of employee benefit plan, pension fund or endowment fund is not required. The securities beneficially owned by the Reporting Persons are directly held by LMR Master Fund and LMR CCSA Master Fund, for which the LMR Investment Managers serve as the investment managers.
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11. By signing below I certify that, to the best of my knowledge and belief, the foreign regulatory scheme applicable to LMR Partners LLP, LMR Partners Limited, LMR Partners AG, LMR Partners (DIFC) Limited and LMR Partners (Ireland) Limited is substantially comparable to the regulatory scheme applicable to the functionally equivalent U.S. institution(s). I also undertake to furnish to the Commission staff, upon request, information that would otherwise be disclosed in a Schedule 13D.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

LMR Partners LLP

Signature:	Shane Cullinane
Name/Title:	Chief Operating Officer
Date:	08/14/2026

LMR PARTNERS Ltd

Signature:	Shane Cullinane
Name/Title:	Chief Operating Officer
Date:	08/14/2026

LMR Partners LLC

Signature:	Allyson Hanlon
Name/Title:	Deputy General Counsel
Date:	08/14/2026

LMR Partners AG

Signature:	Shane Cullinane
Name/Title:	Chief Operating Officer
Date:	08/14/2026

LMR PARTNERS (DIFC) Ltd

Signature:	Shane Cullinane
Name/Title:	Chief Operating Officer
Date:	08/14/2026

LMR Partners (Ireland) Limited

Signature:	Shane Cullinane
Name/Title:	Chief Operating Officer
Date:	08/14/2026

Ben Levine

Signature:	Ben Levine
Name/Title:	Self
Date:	08/14/2026

Stefan Renold

Signature:	Stefan Renold
Name/Title:	Self
Date:	08/14/2026