Oruka Therapeutics, Inc.
ORKA- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0000907654
In the last 90 days, Oruka Therapeutics, Inc. insiders filed 0 open-market purchases and 16 sales; 255 institutions reported holding it in 13F filings for Q2 2026, worth $7.05B in total; Viking Global Investors is the only superinvestor holding it.
13F holders, Q2 2026
Institutional positions in Oruka Therapeutics, Inc. as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 255
- +73 vs. Q1 2026
- Shares held
- 74.1M
- +22.1M (+42.6%) vs. Q1 2026
- Total value
- $7.05B
- +$4.50B (+176.5%) vs. Q1 2026
- New holders
- 100
- 95 more added
- Sold out
- 27
- 46 more reduced
2 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ORKA on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 255 | $7.05B |
| Q1 2026 | 184 | $2.55B |
| Q4 2025 | 143 | $1.60B |
| Q3 2025 | 105 | $875.8M |
| Q2 2025 | 81 | $386.0M |
| Q1 2025 | 71 | $326.1M |
| Q4 2024 | 66 | $606.6M |
| Q3 2024 | 42 | $604.2M |
| Q2 2024 | 32 | $49.4M |
| Q1 2024 | 23 | $12.7M |
| Q4 2023 | 25 | $12.7M |
| Q3 2023 | 21 | $6.55M |
| Q2 2023 | 23 | $5.75M |
| Q1 2023 | 26 | $5.02M |
| Q4 2022 | 22 | $6.19M |
| Q3 2022 | 25 | $4.58M |
| Q2 2022 | 24 | $4.17M |
| Q1 2022 | 22 | $2.60M |
| Q4 2021 | 21 | $2.41M |
| Q3 2021 | 19 | $4.53M |
| Q2 2021 | 17 | $4.16M |
| Q1 2021 | 17 | $3.20M |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding Oruka Therapeutics, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Deutsche Bank AG | 195,204 | $18.6M | 0.01% | +54,415+38.7% | Added |
| SEB Asset Management AB | 196,753 | $18.7M | 0.07% | +196,753 | New |
| Nomura Asset Management International Inc. | 219,039 | $20.8M | 0.03% | +219,039 | New |
| Blackstone Group Inc. | 237,108 | $22.6M | 0.07% | +237,108 | New |
| Eventide Asset Management, LLC | 240,000 | $22.8M | 0.31% | +240,000 | New |
| Nuveen, LLC | 249,267 | $23.7M | 0.01% | +162,329+186.7% | Added |
| Siren, L.L.C. | 250,000 | $23.8M | 0.48% | +250,000 | New |
| Braidwell LP | 278,164 | $26.5M | 0.98% | +278,164 | New |
| Woodline Partners LP | 285,247 | $27.1M | 0.08% | −289,635−50.4% | Reduced |
| Jennison Associates LLC | 299,257 | $28.5M | 0.02% | +122,577+69.4% | Added |
| Holocene Advisors, LP | 305,951 | $29.1M | 0.07% | +120,438+64.9% | Added |
| Candriam Luxembourg S.C.A. | 352,716 | $33.5M | 0.15% | −58,290−14.2% | Reduced |
| Silverarc Capital Management, LLC | 352,802 | $33.6M | 3.74% | +201,894+133.8% | Added |
| Bank of America Corp | 352,824 | $33.6M | 0.00% | +252,733+252.5% | Added |
| Adage Capital Partners GP, L.L.C. | 355,003 | $33.8M | 0.05% | +164,973+86.8% | Added |
| Synergy Financial Management, LLC | 356,301 | $33.9M | 3.20% | −119,895−25.2% | Reduced |
| Massachusetts Financial Services Co | 364,102 | $34.7M | 0.01% | +364,102 | New |
| Vanguard Fiduciary Trust Co | 365,630 | $34.8M | 0.01% | +108,559+42.2% | Added |
| Lord, Abbett & Co. LLC | 390,064 | $37.1M | 0.11% | +390,064 | New |
| Voya Investment Management LLC | 401,149 | $38.2M | 0.03% | +334,549+502.3% | Added |
| Northern Trust Corp | 428,891 | $40.8M | 0.00% | +129,847+43.4% | Added |
| Charles Schwab Investment Management Inc | 433,405 | $41.2M | 0.01% | +111,456+34.6% | Added |
| Cormorant Asset Management, LP | 533,340 | $50.8M | 2.60% | 00.0% | Unchanged |
| Vanguard Portfolio Management LLC | 582,409 | $55.4M | 0.00% | +231,517+66.0% | Added |
| Affinity Asset Advisors, LLC | 590,000 | $56.2M | 2.75% | +90,327+18.1% | Added |
| Pictet Asset Management Holding SA | 619,076 | $58.9M | 0.06% | +619,076 | New |
| Westfield Capital Management Co LP | 631,433 | $60.1M | 0.20% | +318,303+101.7% | Added |
| JPMorgan Chase & Co | 655,027 | $60.7M | 0.00% | +632,407+2,795.8% | Added |
| UBS Group AG | 639,363 | $60.8M | 0.01% | +427,092+201.2% | Added |
| Standard Life Aberdeen plc | 646,943 | $61.6M | 0.09% | +571,263+754.8% | Added |
| Summit Partners Public Asset Management, LLC | 658,301 | $62.7M | 1.63% | +658,301 | New |
| Avidity Partners Management LP | 760,424 | $72.4M | 11.59% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 838,603 | $79.8M | 0.01% | +111,154+15.3% | Added |
| BNP Paribas Arbitrage, SA | 1,079,015 | $102.7M | 0.05% | +1,068,087+9,773.9% | Added |
| T. Rowe Price Investment Management, Inc. | 1,103,743 | $105.0M | 0.07% | +1,103,743 | New |
| Citadel Advisors LLC | 1,119,011 | $106.5M | 0.06% | +111,474+11.1% | Added |
| Polar Capital Holdings Plc | 1,228,609 | $116.9M | 0.33% | +180,916+17.3% | Added |
| Perceptive Advisors LLC | 1,345,063 | $128.0M | 1.99% | −50,438−3.6% | Reduced |
| Jupiter Topco LLC | 1,375,844 | $131.0M | 0.05% | +1,375,844 | New |
| Geode Capital Management, LLC | 1,429,954 | $136.1M | 0.01% | +475,087+49.8% | Added |
| Viking Global Investors LPSuperinvestorViking Global Investors | 1,503,478 | $143.1M | 0.41% | −1,163,212−43.6% | Reduced |
| Ra Capital Management, L.P. | 1,554,597 | $148.0M | 1.29% | +1,554,597 | New |
| Remedium Capital Partners, LLC | 1,565,661 | $149.0M | 32.99% | 00.0% | Unchanged |
| Franklin Resources Inc | 1,621,451 | $154.3M | 0.03% | +617,395+61.5% | Added |
| Bellevue Group AG | 1,657,190 | $157.7M | 3.32% | +1,150,182+226.9% | Added |
| Deep Track Capital, LP | 1,926,000 | $183.3M | 2.70% | −108,203−5.3% | Reduced |
| Paradigm Biocapital Advisors LP | 2,144,526 | $204.1M | 3.82% | −175,790−7.6% | Reduced |
| Vanguard Capital Management LLC | 2,360,971 | $224.7M | 0.00% | +501,340+27.0% | Added |
| State Street Corp | 2,673,090 | $254.4M | 0.01% | +1,059,629+65.7% | Added |
| RTW Investments, LP | 3,139,030 | $298.7M | 2.55% | +1,080,882+52.5% | Added |
| Capital World Investors | 3,401,639 | $323.7M | 0.04% | +3,401,639 | New |
| Fairmount Funds Management LLC | 3,705,262 | $352.6M | 23.31% | 00.0% | Unchanged |
| VR Adviser, LLC | 4,148,428 | $394.8M | 11.97% | 00.0% | Unchanged |
| BlackRock, Inc. | 4,990,181 | $474.9M | 0.01% | +1,463,094+41.5% | Added |
| FMR LLC | 9,057,645 | $862.0M | 0.04% | +1,626,242+21.9% | Added |
| Mercer Global Advisors Inc | 0 | $0 | 0.00% | −802,470−100.0% | Sold out |
| Sr One Capital Management, LP | 0 | $0 | 0.00% | −430,330−100.0% | Sold out |
| Ikarian Capital, LLC | 0 | $0 | 0.00% | −242,021−100.0% | Sold out |
| Cable Car Capital LLC | 0 | $0 | 0.00% | −200,000−100.0% | Sold out |
| Jones Hill Capital LP | 0 | $0 | 0.00% | −140,843−100.0% | Sold out |
| Longaeva Partners L.P. | 0 | $0 | 0.00% | −136,884−100.0% | Sold out |
| Kalehua Capital Management LLC | 0 | $0 | 0.00% | −118,524−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −67,481−100.0% | Sold out |
| Superstring Capital Management LP | 0 | $0 | 0.00% | −63,591−100.0% | Sold out |
| Fred Alger Management, LLC | 0 | $0 | 0.00% | −43,841−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −36,912−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −24,463−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −19,364−100.0% | Sold out |
| Resolute Capital Asset Partners LLC | 0 | $0 | 0.00% | −12,500−100.0% | Sold out |
| Abacus Wealth Partners, LLC | 0 | $0 | 0.00% | −7,802−100.0% | Sold out |
| Toroso Investments, LLC | 0 | $0 | 0.00% | −6,546−100.0% | Sold out |
| Archer Investment Corp | 0 | $0 | 0.00% | −6,546−100.0% | Sold out |
| EntryPoint Capital, LLC | 0 | $0 | 0.00% | −6,120−100.0% | Sold out |
| Landscape Capital Management, L.L.C. | 0 | $0 | 0.00% | −5,855−100.0% | Sold out |
| Soleus Capital Management, L.P. | 0 | $0 | 0.00% | −5,000−100.0% | Sold out |
| VARCOV Co. | 0 | $0 | 0.00% | −4,673−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −2,463−100.0% | Sold out |
| Caitong International Asset Management Co., Ltd | 0 | $0 | 0.00% | −910−100.0% | Sold out |
| True Wealth Design, LLC | 0 | $0 | 0.00% | −26−100.0% | Sold out |
| Ameritas Advisory Services, LLC | 0 | $0 | 0.00% | −11−100.0% | Sold out |
| Golden State Equity Partners | 0 | $0 | 0.00% | −8−100.0% | Sold out |
| MAI Capital Management | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Janus Henderson Group PLC | – | – | – | – | Not filed |
| CWM, LLC | – | – | – | – | Not filed |