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Viking Global group discloses 1.50M Oruka (ORKA) shares on amended 13G

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Form Type
SCHEDULE 13G/A

Rhea-AI Filing Summary

Oruka Therapeutics, Inc. has a group of affiliated Viking Global investment entities and individuals reporting passive ownership of its common stock on an amended Schedule 13G. Viking Global Investors LP and related entities, together with O. Andreas Halvorsen and Rose S. Shabet, report aggregate beneficial ownership of 1,503,478 shares of Oruka common stock.

The filing states this represents 2.5% of the 60,312,101 shares of common stock outstanding as of April 30, 2026, based on Oruka’s Form 10-Q. Of the reported holdings, 902,087 shares are directly owned by Viking Global Opportunities Illiquid Investments Sub-Master LP (VGOP) and 601,391 shares are directly owned by Viking Global Opportunities Drawdown (Aggregator) LP (VGOD). Voting and dispositive powers are shared across the Viking management entities, with no sole voting or dispositive power reported.

Positive

  • None.

Negative

  • None.
Shares beneficially owned 1,503,478 shares Aggregate Oruka common stock reported by Viking Global entities and principals
VGOP direct holdings 902,087 shares Common stock of Oruka held directly by Viking Global Opportunities Illiquid Investments Sub-Master LP
VGOD direct holdings 601,391 shares Common stock of Oruka held directly by Viking Global Opportunities Drawdown (Aggregator) LP
Ownership percentage 2.5% Portion of Oruka common stock beneficially owned by VGI, Opportunities Parent, Halvorsen and Shabet
Shares outstanding 60,312,101 shares Oruka common stock outstanding as of April 30, 2026, per Form 10-Q
VGOP ownership percentage 1.5% Percent of class attributed to VGOP and related GP entities
VGOD ownership percentage 1% Percent of class attributed to VGOD and related GP entities
beneficially own financial
"Based on Rule 13d-3 under the Act, VGI may be deemed to beneficially own the shares"
Beneficially own means having the economic rights and risks of a security—such as the right to receive dividends, sell the shares, or profit from price changes—whether or not your name appears on the official share register. Think of it like renting a car: you use it and reap the benefits even if the title lists someone else. Investors care because beneficial ownership determines who truly controls value, must be disclosed under securities rules, and can signal potential influence or trading activity that affects a stock’s price.
shared voting power financial
"Shared Voting Power 1,503,478.00"
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.
dispositive power financial
"Sole Dispositive Power 0.00 8 | Shared Dispositive Power 1,503,478.00"
Dispositive power is the authority to decide the final outcome of an asset, legal claim, contract, or corporate action — in effect the power to dispose of or resolve something. For investors it matters because whoever holds that authority can determine who gets paid, who controls an asset or vote, and how risks and returns are allocated; think of it like holding the key that lets you lock in the winner or loser in a deal.
exempted limited partnership financial
"VGOP and VGOD are Cayman Islands exempted limited partnerships"
Schedule 13G regulatory
"previously filed with the Commission as an exhibit to a Form 13G filed by Mr. Halvorsen"
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

How many ORKA shares does Viking Global report owning on this Schedule 13G/A?

The Viking Global group reports beneficial ownership of 1,503,478 shares of Oruka Therapeutics (ORKA) common stock, consisting of 902,087 shares held by VGOP and 601,391 shares held by VGOD.

What percentage of Oruka Therapeutics (ORKA) does Viking Global own?

The filing states Viking Global entities and principals beneficially own 2.5% of Oruka Therapeutics’ common stock, based on 60,312,101 shares outstanding as of April 30, 2026, as reported in Oruka’s Form 10-Q.

Which Viking Global entities directly hold ORKA shares?

The directly owning entities are Viking Global Opportunities Illiquid Investments Sub-Master LP (VGOP) with 902,087 shares and Viking Global Opportunities Drawdown (Aggregator) LP (VGOD) with 601,391 shares of Oruka Therapeutics common stock.

Do Viking Global and its principals have sole or shared voting power over ORKA shares?

The reporting persons disclose 0 shares with sole voting power and 1,503,478 shares with shared voting power, reflecting coordinated control through the Viking management structure over the Oruka Therapeutics shares.

Who are the individual reporting persons on the Oruka (ORKA) Schedule 13G/A?

The individuals are O. Andreas Halvorsen and Rose S. Shabet, who as Executive Committee Members of Viking Global Partners LLC and Opportunities Parent are deemed to beneficially own 1,503,478 Oruka shares on a shared basis.

Why does the Oruka (ORKA) Schedule 13G/A state ownership is 5 percent or less?

Item 5 confirms the reporting group holds 5% or less of Oruka’s common stock. Their reported 2.5% stake keeps them below the 5% threshold often associated with larger strategic or activist positions.

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

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Learn about SEC filing dates





687604108

(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




Comment for Type of Reporting Person: See Item 4


SCHEDULE 13G




Comment for Type of Reporting Person: See Item 4


SCHEDULE 13G




Comment for Type of Reporting Person: See Item 4


SCHEDULE 13G




Comment for Type of Reporting Person: See Item 4


SCHEDULE 13G




Comment for Type of Reporting Person: See Item 4


SCHEDULE 13G




Comment for Type of Reporting Person: See Item 4


SCHEDULE 13G




Comment for Type of Reporting Person: See Item 4


SCHEDULE 13G




Comment for Type of Reporting Person: See Item 4


SCHEDULE 13G




Comment for Type of Reporting Person: See Item 4


SCHEDULE 13G




Comment for Type of Reporting Person: See Item 4


SCHEDULE 13G



VIKING GLOBAL INVESTORS LP
Signature:/s/ Scott M. Hendler
Name/Title:Scott M. Hendler on behalf of VIKING GLOBAL INVESTORS LP (1)(2)
Date:08/14/2026
Viking Global Opportunities Parent GP LLC
Signature:/s/ Scott M. Hendler
Name/Title:Scott M. Hendler on behalf of Viking Global Opportunities Parent GP LLC (1)(2)
Date:08/14/2026
Viking Global Opportunities GP LLC
Signature:/s/ Scott M. Hendler
Name/Title:Scott M. Hendler on behalf of Viking Global Opportunities GP LLC (1)(2)
Date:08/14/2026
Viking Global Opportunities Portfolio GP LLC
Signature:/s/ Scott M. Hendler
Name/Title:Scott M. Hendler on behalf of Viking Global Opportunities Portfolio GP LLC (1)(2)
Date:08/14/2026
Viking Global Opportunities Illiquid Investments Sub-Master LP
Signature:/s/ Scott M. Hendler
Name/Title:Scott M. Hendler on behalf of Viking Global Opportunities Illiquid Investments Sub-Master LP (1)(2)
Date:08/14/2026
Viking Global Opportunities Drawdown GP LLC
Signature:/s/ Scott M. Hendler
Name/Title:Scott M. Hendler on behalf of Viking Global Opportunities Drawdown GP LLC (1)(2)
Date:08/14/2026
Viking Global Opportunities Drawdown Portfolio GP LLC
Signature:/s/ Scott M. Hendler
Name/Title:Scott M. Hendler on behalf of Viking Global Opportunities Drawdown Portfolio GP LLC (1)(2)
Date:08/14/2026
Viking Global Opportunities Drawdown (Aggregator) LP
Signature:/s/ Scott M. Hendler
Name/Title:Scott M. Hendler on behalf of Viking Global Opportunities Drawdown (Aggregator) LP (1)(2)
Date:08/14/2026
HALVORSEN OLE ANDREAS
Signature:/s/ Scott M. Hendler
Name/Title:Scott M. Hendler on behalf of O. Andreas Halvorsen (1)
Date:08/14/2026
Shabet Rose Sharon
Signature:/s/ Scott M. Hendler
Name/Title:Scott M. Hendler on behalf of Rose S. Shabet (2)
Date:08/14/2026

Comments accompanying signature: (1) Scott M. Hendler is signing on behalf of O. Andreas Halvorsen, individually and as an Executive Committee Member of VIKING GLOBAL PARTNERS LLC, on behalf of VIKING GLOBAL INVESTORS LP, and as an Executive Committee Member of VIKING GLOBAL OPPORTUNITIES PARENT GP LLC, on behalf of itself and VIKING GLOBAL OPPORTUNITIES GP LLC, VIKING GLOBAL OPPORTUNITIES PORTFOLIO GP LLC, VIKING GLOBAL OPPORTUNITIES ILLIQUID INVESTMENTS SUB-MASTER LP, VIKING GLOBAL OPPORTUNITIES DRAWDOWN GP LLC, VIKING GLOBAL OPPORTUNITIES DRAWDOWN PORTFOLIO GP LLC and VIKING GLOBAL OPPORTUNITIES DRAWDOWN (AGGREGATOR) LP, pursuant to an authorization and designation letter dated February 9, 2021, which was previously filed with the Commission as an exhibit to a Form 13G filed by Mr. Halvorsen on February 12, 2021 (SEC File No. 005-49737). (2) Scott M. Hendler is signing on behalf of Rose S. Shabet, individually and as an Executive Committee Member of VIKING GLOBAL PARTNERS LLC, on behalf of VIKING GLOBAL INVESTORS LP, and as an Executive Committee Member of VIKING GLOBAL OPPORTUNITIES PARENT GP LLC, on behalf of itself and VIKING GLOBAL OPPORTUNITIES GP LLC, VIKING GLOBAL OPPORTUNITIES PORTFOLIO GP LLC, VIKING GLOBAL OPPORTUNITIES ILLIQUID INVESTMENTS SUB-MASTER LP, VIKING GLOBAL OPPORTUNITIES DRAWDOWN GP LLC, VIKING GLOBAL OPPORTUNITIES DRAWDOWN PORTFOLIO GP LLC and VIKING GLOBAL OPPORTUNITIES DRAWDOWN (AGGREGATOR) LP, pursuant to an authorization and designation letter dated February 9, 2021, which was previously filed with the Commission as an exhibit to a Form 13G filed by Mr. Halvorsen on February 12, 2021 (SEC File No. 005-49737).
Exhibit Information

EXHIBIT A - JOINT FILING AGREEMENT