ORUKA THERAPEUTICS INC (ORKA) Institutional Ownership Changes & 13F Activity

ORUKA THERAPEUTICS INC (ORKA). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Ra Capital Management, L.P., Viking Global Investors, Bellevue Group Ag, T. Rowe Price Investment Management, Inc., and Rtw Investments, Lp.

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Manufacturers Life Insurance Company, TheSell-4,142-5.7%68,421$6.51MQ2 2026Sep 09, 2026
Citadel Advisors LlcBuy+111,474+11.1%1,119,011$106.50MQ2 2026Sep 02, 2026
Allianz Asset Management GmbhBuy+4,900+69.0%12,000$1.14MQ2 2026Sep 02, 2026
Optimize Financial IncSell-46-0.3%13,396$1.27MQ2 2026Aug 27, 2026
California State Teachers Retirement SystemBuy+14,650+68.6%36,020$3.43MQ2 2026Aug 24, 2026
Palo Alto Investors LpSell-26,439-44.1%33,546$3.19MQ2 2026Aug 19, 2026
Stonepine Capital Management, LlcBuy+7,5007,500$713.77KQ2 2026Aug 17, 2026
Ra Capital Management, L.P.Buy+1,554,5971,554,597$147.95MQ2 2026Aug 14, 2026
Viking Global InvestorsSell-1,163,212-43.6%1,503,478$143.09MQ2 2026Aug 14, 2026
Bellevue Group AgBuy+1,150,182+226.9%1,657,190$157.71MQ2 2026Aug 14, 2026
T. Rowe Price Investment Management, Inc.Buy+1,103,7431,103,743$105.04MQ2 2026Aug 14, 2026
Rtw Investments, LpBuy+1,080,882+52.5%3,139,030$298.74MQ2 2026Aug 14, 2026
Summit Partners Public Asset Management, LlcBuy+658,301658,301$62.65MQ2 2026Aug 14, 2026
Lord, Abbett & Co. LlcBuy+390,064390,064$37.12MQ2 2026Aug 14, 2026
Woodline Partners LpSell-289,635-50.4%285,247$27.15MQ2 2026Aug 14, 2026
Braidwell LpBuy+278,164278,164$26.47MQ2 2026Aug 14, 2026
Bank Of America CorpBuy+252,733+252.5%352,824$33.58MQ2 2026Aug 14, 2026
Eventide Asset Management, LlcBuy+240,000240,000$22.84MQ2 2026Aug 14, 2026
Blackstone Inc.Buy+237,108237,108$22.57MQ2 2026Aug 14, 2026
Nomura Asset Management International Inc.Buy+219,039219,039$20.85MQ2 2026Aug 14, 2026
Polar Capital Holdings PlcBuy+180,916+17.3%1,228,609$116.93MQ2 2026Aug 14, 2026
Paradigm Biocapital Advisors LpSell-175,790-7.6%2,144,526$204.09MQ2 2026Aug 14, 2026
Adage Capital Partners Gp, L.L.C.Buy+164,973+86.8%355,003$33.79MQ2 2026Aug 14, 2026
First Turn Management, LlcBuy+155,343155,343$14.78MQ2 2026Aug 14, 2026
Invesco Ltd.Buy+124,658124,658$11.86MQ2 2026Aug 14, 2026
Holocene Advisors, LpBuy+120,438+64.9%305,951$29.12MQ2 2026Aug 14, 2026
Stempoint Capital LpBuy+116,461116,461$11.08MQ2 2026Aug 14, 2026
Parkman Healthcare Partners LlcBuy+113,188113,188$10.77MQ2 2026Aug 14, 2026
Apis Capital Advisors, LlcBuy+112,000112,000$10.66MQ2 2026Aug 14, 2026
Charles Schwab Investment Management IncBuy+111,456+34.6%433,405$41.25MQ2 2026Aug 14, 2026
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Frequently asked questions about ORKA activity

  • Which institutional owners are buying ORKA?

    Institutional owners buying ORKA include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in ORKA activity?

    "Buy" means an investor increased their reported position in ORKA compared to the prior reporting period. This reflects growing exposure to ORUKA THERAPEUTICS INC (ORKA) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in ORKA increasing?

    Institutional interest in ORKA can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.