D1 Capital Partners (PURR) discloses 6.3M-share position in Hyperliquid Strategies

Rhea-AI Filing Summary

Hyperliquid Strategies Inc. has a significant shareholder group led by D1 Capital Partners L.P. and Daniel Sundheim, which reports beneficial ownership of 6,342,600 shares of common stock. This represents 3.2% of the company’s common stock outstanding, based on 196,553,055 shares reported outstanding as of June 15, 2026.

D1 Capital Partners L.P., a Delaware-formed registered investment adviser, and Daniel Sundheim report shared voting and dispositive power over all 6,342,600 shares and no sole voting or dispositive power. The ownership is held through an investment vehicle and its subsidiary, and each reporting person states that the disclosure should not be construed as an admission of beneficial ownership for certain legal purposes.

Key Figures

Shares beneficially owned: 6,342,600 shares Ownership percentage: 3.2% Shares outstanding: 196,553,055 shares +2 more

5 metrics

Shares beneficially owned 6,342,600 shares Common stock beneficially owned by D1 Capital Partners L.P. and Daniel Sundheim

Ownership percentage 3.2% Percentage of Hyperliquid Strategies Inc. common stock class

Shares outstanding 196,553,055 shares Common shares outstanding as of June 15, 2026 used for percentage calculation

Shared voting power 6,342,600 shares Number of shares over which reporting persons share voting power

Shared dispositive power 6,342,600 shares Number of shares over which reporting persons share dispositive power

Key Terms

beneficial owner, registered investment adviser, shared voting power, shared dispositive power, +1 more

5 terms

beneficial owner regulatory

"may be deemed to beneficially own the shares of common stock"

A beneficial owner is the person who ultimately owns or controls a financial asset or property, even if their name isn't directly on official documents. Think of it like someone who secretly holds the keys to a safe deposit box—others may appear to have access, but the true owner is the one who benefits from what's inside. Identifying beneficial owners helps ensure transparency and prevent illegal activities like money laundering or fraud.

registered investment adviser regulatory

"The Investment Manager is a registered investment adviser and serves"

A registered investment adviser (RIA) is a firm or individual legally registered with regulators to give personalized investment advice and manage clients' money, with a duty to put clients’ interests ahead of their own. Think of an RIA as a licensed financial guide who must disclose fees, conflicts and how they are paid; that transparency and legal duty matter to investors because it reduces the risk of hidden costs or biased recommendations.

shared voting power financial

"Shared Voting Power 6,342,600.00"

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

"Shared Dispositive Power 6,342,600.00"

Schedule 13G regulatory

"for the purposes of Section 13 of the Securities Exchange Act of 1934"

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.

FAQ

What percentage of Hyperliquid Strategies Inc. (PURR) is owned by D1 Capital Partners and Daniel Sundheim?

D1 Capital Partners L.P. and Daniel Sundheim report beneficial ownership of 3.2% of Hyperliquid Strategies Inc.’s common stock, representing 6,342,600 shares out of 196,553,055 shares outstanding as of June 15, 2026.

How many Hyperliquid Strategies Inc. (PURR) shares are beneficially owned by the reporting persons?

The reporting persons beneficially own 6,342,600 shares of Hyperliquid Strategies Inc. common stock, with shared voting and dispositive power over all of these shares and no sole voting or dispositive power reported.

What is the ownership status of D1 Capital Partners regarding Hyperliquid Strategies Inc. (PURR)?

D1 Capital Partners L.P. is a registered investment adviser that serves as investment manager to private investment vehicles holding Hyperliquid Strategies Inc. stock and may be deemed to beneficially own 6,342,600 shares through those vehicles.

How is Daniel Sundheim related to the Hyperliquid Strategies Inc. (PURR) share holdings?

Daniel Sundheim indirectly controls D1 Capital Partners L.P. and may be deemed to beneficially own the 6,342,600 shares of Hyperliquid Strategies Inc. held by the investment vehicle and its subsidiary, subject to stated legal ownership disclaimers.

What share count did Hyperliquid Strategies Inc. (PURR) report as outstanding for this ownership calculation?

The reported ownership percentage is based on 196,553,055 shares of Hyperliquid Strategies Inc. common stock outstanding as of June 15, 2026, as disclosed in the company’s Form S-1/A registration statement filed June 25, 2026.

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Available on EDGAR 08/14/2026 - 11:02 AM Accepted by SEC EDGAR 08/14/2026 - 11:00 AM Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 1)

Hyperliquid Strategies Inc.

(Name of Issuer)

Common Stock, par value $0.01 per share

(Title of Class of Securities)

44916Y106

(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): 44916Y106

1

Names of Reporting Persons

D1 Capital Partners L.P.

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 6,342,600.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 6,342,600.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

6,342,600.00

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)

3.2 %

12

Type of Reporting Person (See Instructions)

IA, PN

SCHEDULE 13G

CUSIP Number(s): 44916Y106

1

Names of Reporting Persons

Daniel Sundheim

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 STATES

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 6,342,600.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 6,342,600.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

6,342,600.00

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)

3.2 %

12

Type of Reporting Person (See Instructions)

HC, IN

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Hyperliquid Strategies Inc.
(b)	Address of issuer's principal executive offices: 477 Madison Avenue, 22nd Floor, New York, NY 10022
Item 2.
(a)	Name of person filing: This statement is filed by D1 Capital Partners L.P. (the "Investment Manager") and Daniel Sundheim (the "Mr. Sundheim"). The foregoing persons are hereinafter sometimes referred to as the "Reporting Persons." The Investment Manager is a registered investment adviser and serves as the investment manager of private investment vehicles and accounts, including D1 Capital Partners Master LP (the "Investment Vehicle"), and may be deemed to beneficially own the shares of common stock, par value $0.01 per share (the "Common Stock") of Hyperliquid Strategies Inc. (the "Company") held by the Investment Vehicle and/or its subsidiary. Mr. Sundheim indirectly controls the Investment Manager and may be deemed to beneficially own the shares of Common Stock held by the Investment Vehicle and/or its subsidiary. The filing of this statement should not be construed as an admission that any Reporting Person is, for the purposes of Section 13 of the Securities Exchange Act of 1934, as amended, the beneficial owner of the securities reported herein.
(b)	Address or principal business office or, if none, residence: D1 Capital Partners L.P. 9 West 57th Street, 36th Floor New York, New York 10019 Daniel Sundheim c/o D1 Capital Partners L.P. 9 West 57th Street, 36th Floor New York, New York 10019
(c)	Citizenship: Investment Manager - Delaware Mr. Sundheim - United States of America
(d)	Title of class of securities: Common Stock, par value $0.01 per share
(e)	CUSIP No.: 44916Y106
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: The information required by Item 4(a) is set forth in Row 9 of the cover page for each of the Reporting Persons and is incorporated herein by reference. The percentage set forth in this Schedule 13G is calculated based upon an aggregate of 196,553,055 shares of Common Stock reported to be outstanding as of June 15, 2026, as reported in the Company's Registration Statement on Form S-1/A, filed with the Securities and Exchange Commission on June 25, 2026.
(b)	Percent of class: 3.2%
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: The information required by Item 4(c)(i) is set forth in Row 5 of the cover page for each of the Reporting Persons and is incorporated herein by reference.
	(ii) Shared power to vote or to direct the vote: The information required by Item 4(c)(ii) is set forth in Row 6 of the cover page for each of the Reporting Persons and is incorporated herein by reference.
	(iii) Sole power to dispose or to direct the disposition of: The information required by Item 4(c)(iii) is set forth in Row 7 of the cover page for each of the Reporting Persons and is incorporated herein by reference.
	(iv) Shared power to dispose or to direct the disposition of: The information required by Item 4(c)(iv) is set forth in Row 8 of the cover page for each of the Reporting Persons and is incorporated herein by reference.
Item 5.	Ownership of 5 Percent or Less of a Class.
	Ownership of 5 percent or less of a class
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. See Item 2(a).
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.

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.

D1 Capital Partners L.P.

Signature:	/s/ Amanda Hector
Name/Title:	Amanda Hector, General Counsel and Chief Compliance Officer
Date:	08/14/2026

Daniel Sundheim

Signature:	/s/ Daniel Sundheim
Name/Title:	Daniel Sundheim, Individually
Date:	08/14/2026