TYG Ownership Update: Morgan Stanley Files 13G/A for 6.1% Position

Rhea-AI Filing Summary

On 08/05/2025, Morgan Stanley and its subsidiary Morgan Stanley Smith Barney LLC filed Amendment No. 2 to Schedule 13G on Tortoise Energy Infrastructure Corp. (TYG), reflecting holdings as of 06/30/2025. The group reports beneficial ownership of 1,045,172 common shares, equal to 6.1 % of the company’s outstanding stock.

Morgan Stanley lists 0 shares of sole voting or dispositive power but shared voting power over 688 shares and shared dispositive power over the full 1.05 million-share position. Morgan Stanley Smith Barney LLC shows shared voting power over 1 share and shared dispositive power over 1,044,485 shares. The filing is made under Rule 13d-1(b), classifying Morgan Stanley as a parent holding company (HC/CO) and MSSB as a broker-dealer and investment adviser (BD/IA/CO).

The certification states the shares were acquired and are held in the ordinary course of business and not to influence control of TYG. Signatories are Christopher O’Hara (Morgan Stanley) and David Galasso (MSSB).

Insights

Financial Analyst

TL;DR: Morgan Stanley discloses a passive 6.1 % stake in TYG; modestly positive for institutional sponsorship.

This 13G/A signals that a major global financial institution maintains a >5 % position, adding credibility and liquidity to TYG’s shareholder base. Because the filing is on Form 13G rather than 13D, it is deemed passive, implying no activist agenda. The low shared voting power (688 shares) suggests the position is largely custodial or client-directed, while Morgan Stanley retains shared dispositive power over the entire block, enabling trade execution. Overall impact on valuation should be limited, yet the presence of a well-resourced holder can facilitate secondary offerings or market support.

Corporate Governance Expert

TL;DR: Filing is governance-neutral; no control intent, but keeps TYG on institutional radar.

Schedule 13G filings above 5 % trigger transparency requirements. Morgan Stanley’s certification that it does not seek to influence control limits governance ramifications. The modest voting power confirms the stake is fragmented across advisory accounts, reducing coordination risk. From a governance standpoint, the disclosure simply updates ownership records; board dynamics remain unchanged. Investors should watch future filings for any migration to a Form 13D, which would indicate a strategic or activist shift.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 2)

TORTOISE ENERGY INFRASTRUCTURE CORP

(Name of Issuer)

Common Stock

(Title of Class of Securities)

89147L886

(CUSIP Number)

06/30/2025

(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)

SCHEDULE 13G

CUSIP No. 89147L886

1

Names of Reporting Persons

Morgan Stanley

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 688.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 1,045,172.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,045,172.00

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)

6.1 %

12

Type of Reporting Person (See Instructions)

HC, CO

SCHEDULE 13G

CUSIP No. 89147L886

1

Names of Reporting Persons

Morgan Stanley Smith Barney 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 1.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 1,044,485.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,044,485.00

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)

6.1 %

12

Type of Reporting Person (See Instructions)

BD, IA, CO

SCHEDULE 13G

Item 1.
(a)	Name of issuer: TORTOISE ENERGY INFRASTRUCTURE CORP
(b)	Address of issuer's principal executive offices: 5901 COLLEGE BOULEVARD, SUITE 400, OVERLAND PARK, KS, 66211
Item 2.
(a)	Name of person filing: 1: Morgan Stanley 2: Morgan Stanley Smith Barney LLC
(b)	Address or principal business office or, if none, residence: 1: 1585 Broadway, New York, NY 10036 ;2: 1585 Broadway, New York, NY 10036
(c)	Citizenship: 1: Delaware 2: Delaware
(d)	Title of class of securities: Common Stock
(e)	CUSIP No.: 89147L886
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).
Item 4.	Ownership
(a)	Amount beneficially owned: See the response(s) to Item 9 on the attached cover page(s).
(b)	Percent of class: 6.1 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: See the response(s) to Item 5 on the attached cover page(s).
	(ii) Shared power to vote or to direct the vote: See the response(s) to Item 6 on the attached cover page(s).
	(iii) Sole power to dispose or to direct the disposition of: See the response(s) to Item 7 on the attached cover page(s).
	(iv) Shared power to dispose or to direct the disposition of: See the response(s) to Item 8 on the attached cover page(s).
Item 5.	Ownership of 5 Percent or Less of a Class.
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	Not Applicable
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. * In Accordance with the Securities and Exchange Commission Release No. 34-39538 (January 12, 1998) (the "Release"), this filing reflects the securities beneficially owned, or that may be deemed to be beneficially owned, by certain operating units (collectively, the "MS Reporting Units") of Morgan Stanley and its subsidiaries and affiliates (collectively, "MS"). This filing does not reflect securities, if any, beneficially owned by any operating units of MS whose ownership of securities is disaggregated from that of the MS Reporting Units in accordance with the Release.

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.

Morgan Stanley

Signature:	Christopher O'Hara
Name/Title:	Authorized Signatory, Morgan Stanley
Date:	08/05/2025

Morgan Stanley Smith Barney LLC

Signature:	David Galasso
Name/Title:	Authorized Signatory, Morgan Stanley Smith Barney LLC
Date:	08/05/2025

Exhibit Information

EXHIBIT NO. EXHIBITS ------------------ ------------------------------------ 99.1 Joint Filing Agreement 99.2 Item 7 Information * Attention. Intentional misstatements or omissions of fact constitute federal criminal violations (see 18 U.S.C. 1001).

FAQ

How much of Tortoise Energy Infrastructure Corp. (TYG) does Morgan Stanley own?

The filing shows 1,045,172 common shares, equal to 6.1 % of TYG’s outstanding stock.

Is Morgan Stanley’s stake in TYG passive or activist?

It is passive; the Schedule 13G indicates the shares are held in the ordinary course, with no intent to influence control.

What voting power does Morgan Stanley have over TYG shares?

Morgan Stanley reports shared voting power over 688 shares and no sole voting power.

When was the Schedule 13G/A for TYG filed and effective?

Effective date of ownership is 06/30/2025; the filing was signed on 08/05/2025.

Under which rule was this 13G filed?

The filing cites Rule 13d-1(b), applicable to parent holding companies, brokers, and advisers.

Who signed the Morgan Stanley filing for TYG?

Signatories are Christopher O’Hara (Morgan Stanley) and David Galasso (Morgan Stanley Smith Barney LLC).