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, Q1 2026
Institutional positions in Oruka Therapeutics, Inc. as of Mar 31, 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
- 184
- +43 vs. Q4 2025
- Shares held
- 52.0M
- +1.62M (+3.2%) vs. Q4 2025
- Total value
- $2.55B
- +$1.02B (+67.0%) vs. Q4 2025
- New holders
- 63
- 64 more added
- Sold out
- 20
- 31 more reduced
2 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: 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, Q1 2026
Shares, value and share of portfolio for each institution holding Oruka Therapeutics, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Squarepoint Ops LLC | 24,463 | $1.20M | 0.00% | −3,208−11.6% | Reduced |
| Alliancebernstein L.P. | 40,400 | $1.22M | 0.00% | +2,600+6.9% | Added |
| Schroder Investment Management Group | 29,184 | $1.33M | 0.00% | 00.0% | Unchanged |
| Y-Intercept (Hong Kong) Ltd | 36,912 | $1.81M | 0.03% | +36,912 | New |
| Alps Advisors Inc | 39,404 | $1.93M | 0.01% | −347−0.9% | Reduced |
| Rafferty Asset Management, LLC | 40,487 | $1.99M | 0.01% | +2,002+5.2% | Added |
| Voleon Capital Management LP | 40,539 | $1.99M | 0.04% | +16,991+72.2% | Added |
| Martingale Asset Management L P | 42,732 | $2.10M | 0.05% | +42,732 | New |
| Swiss National Bank | 43,000 | $2.11M | 0.00% | 00.0% | Unchanged |
| Fred Alger Management, LLC | 43,841 | $2.15M | 0.01% | +43,841 | New |
| Russell Investments Group, Ltd. | 45,459 | $2.23M | 0.00% | +42,418+1,394.9% | Added |
| Rhumbline Advisers | 46,356 | $2.27M | 0.00% | +5,339+13.0% | Added |
| EAM Investors, LLC | 59,946 | $2.94M | 0.34% | +59,946 | New |
| Palo Alto Investors LP | 59,985 | $2.94M | 0.45% | 00.0% | Unchanged |
| Superstring Capital Management LP | 63,591 | $3.12M | 2.23% | +63,591 | New |
| Voya Investment Management LLC | 66,600 | $3.27M | 0.00% | +24,097+56.7% | Added |
| Boothbay Fund Management, LLC | 67,481 | $3.31M | 0.08% | +67,481 | New |
| Secure Asset Management, LLC | 72,422 | $3.55M | 0.56% | −9,242−11.3% | Reduced |
| Manufacturers Life Insurance Company, The | 72,563 | $3.56M | 0.00% | +11,205+18.3% | Added |
| American Century Companies Inc | 74,386 | $3.65M | 0.00% | +17,306+30.3% | Added |
| B Group, Inc. | 75,000 | $3.68M | 2.73% | 00.0% | Unchanged |
| Standard Life Aberdeen plc | 75,680 | $3.71M | 0.01% | 00.0% | Unchanged |
| TD Asset Management Inc | 75,696 | $3.71M | 0.00% | −4,200−5.3% | Reduced |
| HighVista Strategies LLC | 78,911 | $3.87M | 1.07% | +78,911 | New |
| Ensign Peak Advisors, Inc | 79,380 | $3.89M | 0.01% | +79,380 | New |
| Barclays PLC | 85,737 | $4.21M | 0.00% | −87,592−50.5% | Reduced |
| Nuveen, LLC | 86,938 | $4.26M | 0.00% | +591+0.7% | Added |
| Invesco Ltd. | 97,042 | $4.76M | 0.00% | −46,079−32.2% | Reduced |
| Bank of America Corp | 100,091 | $4.91M | 0.00% | −39,181−28.1% | Reduced |
| ExodusPoint Capital Management, LP | 101,354 | $4.97M | 0.05% | +101,354 | New |
| Bank of New York Mellon Corp | 106,883 | $5.24M | 0.00% | −7,290−6.4% | Reduced |
| Dimensional Fund Advisors LP | 113,009 | $5.54M | 0.00% | +113,009 | New |
| Kalehua Capital Management LLC | 118,524 | $5.81M | 4.11% | 00.0% | Unchanged |
| Wellington Management Group LLP | 121,225 | $5.95M | 0.00% | +36,509+43.1% | Added |
| Kennedy Capital Management, Inc. | 126,366 | $6.20M | 0.13% | +77,680+159.6% | Added |
| Sio Capital Management, LLC | 132,496 | $6.50M | 0.94% | +14,370+12.2% | Added |
| Moody Aldrich Partners LLC | 135,061 | $6.62M | 1.19% | +8,249+6.5% | Added |
| Longaeva Partners L.P. | 136,884 | $6.71M | 0.32% | +8,774+6.8% | Added |
| Deutsche Bank AG | 140,789 | $6.91M | 0.00% | +21,460+18.0% | Added |
| Jones Hill Capital LP | 140,843 | $6.91M | 1.48% | +140,843 | New |
| Silverarc Capital Management, LLC | 150,908 | $7.40M | 0.87% | +150,908 | New |
| PFM Health Sciences, LP | 174,052 | $8.54M | 0.90% | +174,052 | New |
| Morgan Stanley | 175,454 | $8.61M | 0.00% | +53,256+43.6% | Added |
| Jennison Associates LLC | 176,680 | $8.67M | 0.01% | +176,680 | New |
| Great Point Partners LLC | 183,330 | $8.99M | 2.20% | 00.0% | Unchanged |
| Alyeska Investment Group, L.P. | 184,863 | $9.07M | 0.03% | +84,863+84.9% | Added |
| Holocene Advisors, LP | 185,513 | $9.10M | 0.02% | +185,513 | New |
| Adage Capital Partners GP, L.L.C. | 190,030 | $9.32M | 0.01% | +190,030 | New |
| Cable Car Capital LLC | 200,000 | $9.81M | 3.39% | −200,000−50.0% | Reduced |
| UBS Group AG | 212,271 | $10.4M | 0.00% | −58,742−21.7% | Reduced |
| Atika Capital Management LLC | 229,900 | $11.3M | 1.78% | +229,900 | New |
| Ikarian Capital, LLC | 242,021 | $11.9M | 1.70% | +242,021 | New |
| Goldman Sachs Group Inc | 246,711 | $12.1M | 0.00% | +153,716+165.3% | Added |
| Vanguard Fiduciary Trust Co | 257,071 | $12.6M | 0.00% | +257,071 | New |
| Northern Trust Corp | 299,044 | $14.7M | 0.00% | +18,140+6.5% | Added |
| Westfield Capital Management Co LP | 313,130 | $15.4M | 0.06% | +313,130 | New |
| Charles Schwab Investment Management Inc | 321,949 | $15.8M | 0.00% | −7,547−2.3% | Reduced |
| Vanguard Portfolio Management LLC | 350,892 | $17.2M | 0.00% | +350,892 | New |
| Candriam Luxembourg S.C.A. | 411,006 | $20.2M | 0.10% | +10,497+2.6% | Added |
| Sr One Capital Management, LP | 430,330 | $21.1M | 2.31% | 00.0% | Unchanged |
| Synergy Financial Management, LLC | 476,196 | $23.4M | 2.48% | +17,250+3.8% | Added |
| Affinity Asset Advisors, LLC | 499,673 | $24.5M | 1.44% | −302,669−37.7% | Reduced |
| Bellevue Group AG | 507,008 | $24.9M | 0.59% | +507,008 | New |
| Cormorant Asset Management, LP | 533,340 | $26.2M | 1.32% | 00.0% | Unchanged |
| Woodline Partners LP | 574,882 | $28.2M | 0.11% | +329+0.1% | Added |
| Price T Rowe Associates Inc | 727,449 | $35.7M | 0.00% | +78,103+12.0% | Added |
| Avidity Partners Management LP | 760,424 | $37.3M | 7.55% | +100,000+15.1% | Added |
| Mercer Global Advisors Inc | 802,470 | $39.4M | 0.06% | +57,193+7.7% | Added |
| Geode Capital Management, LLC | 954,867 | $46.8M | 0.00% | +12,360+1.3% | Added |
| Franklin Resources Inc | 1,004,056 | $49.2M | 0.01% | +65,635+7.0% | Added |
| Citadel Advisors LLC | 1,007,537 | $49.4M | 0.04% | +281,419+38.8% | Added |
| Polar Capital Holdings Plc | 1,047,693 | $51.4M | 0.22% | +69,405+7.1% | Added |
| Perceptive Advisors LLC | 1,395,501 | $68.4M | 1.35% | −81,000−5.5% | Reduced |
| Remedium Capital Partners, LLC | 1,565,661 | $76.8M | 27.31% | +13,247+0.9% | Added |
| State Street Corp | 1,613,461 | $79.1M | 0.00% | +229,614+16.6% | Added |
| Vanguard Capital Management LLC | 1,859,631 | $91.2M | 0.00% | +1,859,631 | New |
| Deep Track Capital, LP | 2,034,203 | $99.8M | 2.06% | −127,307−5.9% | Reduced |
| RTW Investments, LP | 2,058,148 | $101.0M | 1.00% | 00.0% | Unchanged |
| Paradigm Biocapital Advisors LP | 2,320,316 | $113.8M | 2.33% | +610,000+35.7% | Added |
| Viking Global Investors LPSuperinvestorViking Global Investors | 2,666,690 | $130.8M | 0.37% | 00.0% | Unchanged |
| BlackRock, Inc. | 3,527,087 | $173.0M | 0.00% | −12,328−0.3% | Reduced |
| Fairmount Funds Management LLC | 3,705,262 | $181.7M | 13.13% | 00.0% | Unchanged |
| VR Adviser, LLC | 4,148,428 | $203.5M | 7.60% | 00.0% | Unchanged |
| FMR LLC | 7,431,403 | $364.5M | 0.02% | +170,019+2.3% | Added |
| Commodore Capital LP | 0 | $0 | 0.00% | −1,753,054−100.0% | Sold out |
| Avoro Capital Advisors LLC | 0 | $0 | 0.00% | −1,333,340−100.0% | Sold out |
| Blackstone Group Inc. | 0 | $0 | 0.00% | −1,165,408−100.0% | Sold out |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −600,000−100.0% | Sold out |
| Braidwell LP | 0 | $0 | 0.00% | −84,795−100.0% | Sold out |
| D. E. Shaw & Co., Inc. | 0 | $0 | 0.00% | −76,415−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −58,723−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −35,710−100.0% | Sold out |
| Financial Enhancement Group LLC | 0 | $0 | 0.00% | −31,293−100.0% | Sold out |
| Hudson Bay Capital Management LP | 0 | $0 | 0.00% | −20,000−100.0% | Sold out |
| Quest Partners LLC | 0 | $0 | 0.00% | −14,901−100.0% | Sold out |
| Altfest L J & Co Inc | 0 | $0 | 0.00% | −10,857−100.0% | Sold out |
| Brevan Howard Capital Management LP | 0 | $0 | 0.00% | −9,416−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −8,275−100.0% | Sold out |
| Seven Fleet Capital Management LP | 0 | $0 | 0.00% | −5,240−100.0% | Sold out |
| Amalgamated Bank | 0 | $0 | 0.00% | −1,212−100.0% | Sold out |