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
- +21.3M (+40.2%) vs. Q1 2026
- Total value
- $7.05B
- +$4.44B (+170.4%) vs. Q1 2026
- New holders
- 100
- 95 more added
- Sold out
- 27
- 47 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 | $2.61B |
| Q4 2025 | 143 | $1.60B |
| Q3 2025 | 105 | $876.1M |
| Q2 2025 | 81 | $386.0M |
| Q1 2025 | 71 | $326.1M |
| Q4 2024 | 66 | $606.6M |
| Q3 2024 | 42 | $604.2M |
| Q2 2024 | 0 | $0 |
| Q1 2024 | 0 | $0 |
| Q4 2023 | 0 | $0 |
| Q3 2023 | 0 | $0 |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
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 |
|---|---|---|---|---|---|
| FMR LLC | 9,057,645 | $862.0M | 0.04% | +1,626,242+21.9% | Added |
| BlackRock, Inc. | 4,990,181 | $474.9M | 0.01% | +1,463,094+41.5% | Added |
| VR Adviser, LLC | 4,148,428 | $394.8M | 11.97% | 00.0% | Unchanged |
| Fairmount Funds Management LLC | 3,705,262 | $352.6M | 23.31% | 00.0% | Unchanged |
| Capital World Investors | 3,401,639 | $323.7M | 0.04% | +3,401,639 | New |
| RTW Investments, LP | 3,139,030 | $298.7M | 2.55% | +1,080,882+52.5% | Added |
| State Street Corp | 2,673,090 | $254.4M | 0.01% | +1,059,629+65.7% | Added |
| Vanguard Capital Management LLC | 2,360,971 | $224.7M | 0.00% | +501,340+27.0% | Added |
| Paradigm Biocapital Advisors LP | 2,144,526 | $204.1M | 3.82% | −175,790−7.6% | Reduced |
| Deep Track Capital, LP | 1,926,000 | $183.3M | 2.70% | −108,203−5.3% | Reduced |
| Bellevue Group AG | 1,657,190 | $157.7M | 3.32% | +1,150,182+226.9% | Added |
| Franklin Resources Inc | 1,621,451 | $154.3M | 0.03% | +617,395+61.5% | Added |
| Remedium Capital Partners, LLC | 1,565,661 | $149.0M | 32.99% | 00.0% | Unchanged |
| Ra Capital Management, L.P. | 1,554,597 | $148.0M | 1.29% | +1,554,597 | New |
| Viking Global Investors LPSuperinvestorViking Global Investors | 1,503,478 | $143.1M | 0.41% | −1,163,212−43.6% | Reduced |
| Geode Capital Management, LLC | 1,429,954 | $136.1M | 0.01% | +475,087+49.8% | Added |
| Jupiter Topco LLC | 1,375,844 | $131.0M | 0.05% | +1,375,844 | New |
| Perceptive Advisors LLC | 1,345,063 | $128.0M | 1.99% | −50,438−3.6% | Reduced |
| Polar Capital Holdings Plc | 1,228,609 | $116.9M | 0.33% | +180,916+17.3% | Added |
| Citadel Advisors LLC | 1,119,011 | $106.5M | 0.06% | +111,474+11.1% | Added |
| T. Rowe Price Investment Management, Inc. | 1,103,743 | $105.0M | 0.07% | +1,103,743 | New |
| BNP Paribas Arbitrage, SA | 1,079,015 | $102.7M | 0.05% | +1,068,087+9,773.9% | Added |
| Price T Rowe Associates Inc | 838,603 | $79.8M | 0.01% | +111,154+15.3% | Added |
| Avidity Partners Management LP | 760,424 | $72.4M | 11.59% | −760,424−50.0% | Reduced |
| Summit Partners Public Asset Management, LLC | 658,301 | $62.7M | 1.63% | +658,301 | New |
| Standard Life Aberdeen plc | 646,943 | $61.6M | 0.09% | +571,263+754.8% | Added |
| UBS Group AG | 639,363 | $60.8M | 0.01% | +427,092+201.2% | Added |
| JPMorgan Chase & Co | 655,027 | $60.7M | 0.00% | +632,407+2,795.8% | Added |
| Westfield Capital Management Co LP | 631,433 | $60.1M | 0.20% | +318,303+101.7% | Added |
| Pictet Asset Management Holding SA | 619,076 | $58.9M | 0.06% | +619,076 | New |
| Affinity Asset Advisors, LLC | 590,000 | $56.2M | 2.75% | +90,327+18.1% | Added |
| Vanguard Portfolio Management LLC | 582,409 | $55.4M | 0.00% | +231,517+66.0% | Added |
| Cormorant Asset Management, LP | 533,340 | $50.8M | 2.60% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 433,405 | $41.2M | 0.01% | +111,456+34.6% | Added |
| Northern Trust Corp | 428,891 | $40.8M | 0.00% | +129,847+43.4% | Added |
| Voya Investment Management LLC | 401,149 | $38.2M | 0.03% | +334,549+502.3% | Added |
| Lord, Abbett & Co. LLC | 390,064 | $37.1M | 0.11% | +390,064 | New |
| Vanguard Fiduciary Trust Co | 365,630 | $34.8M | 0.01% | +108,559+42.2% | Added |
| Massachusetts Financial Services Co | 364,102 | $34.7M | 0.01% | +364,102 | New |
| Synergy Financial Management, LLC | 356,301 | $33.9M | 3.20% | −119,895−25.2% | Reduced |
| Adage Capital Partners GP, L.L.C. | 355,003 | $33.8M | 0.05% | +164,973+86.8% | Added |
| Bank of America Corp | 352,824 | $33.6M | 0.00% | +252,733+252.5% | Added |
| Silverarc Capital Management, LLC | 352,802 | $33.6M | 3.74% | +201,894+133.8% | Added |
| Candriam Luxembourg S.C.A. | 352,716 | $33.5M | 0.15% | −58,290−14.2% | Reduced |
| Holocene Advisors, LP | 305,951 | $29.1M | 0.07% | +120,438+64.9% | Added |
| Jennison Associates LLC | 299,257 | $28.5M | 0.02% | +122,577+69.4% | Added |
| Woodline Partners LP | 285,247 | $27.1M | 0.08% | −289,635−50.4% | Reduced |
| Braidwell LP | 278,164 | $26.5M | 0.98% | +278,164 | New |
| Siren, L.L.C. | 250,000 | $23.8M | 0.48% | +250,000 | New |
| Nuveen, LLC | 249,267 | $23.7M | 0.01% | +162,329+186.7% | Added |
| Eventide Asset Management, LLC | 240,000 | $22.8M | 0.31% | +240,000 | New |
| Blackstone Group Inc. | 237,108 | $22.6M | 0.07% | +237,108 | New |
| Nomura Asset Management International Inc. | 219,039 | $20.8M | 0.03% | +219,039 | New |
| SEB Asset Management AB | 196,753 | $18.7M | 0.07% | +196,753 | New |
| Deutsche Bank AG | 195,204 | $18.6M | 0.01% | +54,415+38.7% | Added |
| Great Point Partners LLC | 183,330 | $17.4M | 4.11% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 179,439 | $17.1M | 0.00% | −67,272−27.3% | Reduced |
| Sio Capital Management, LLC | 177,118 | $16.9M | 2.89% | +44,622+33.7% | Added |
| Handelsbanken Fonder AB | 160,900 | $15.3M | 0.04% | +160,900 | New |
| PFM Health Sciences, LP | 158,825 | $15.1M | 1.31% | −15,227−8.7% | Reduced |
| First Turn Management, LLC | 155,343 | $14.8M | 1.58% | +155,343 | New |
| ExodusPoint Capital Management, LP | 148,212 | $14.1M | 0.13% | +46,858+46.2% | Added |
| Bank of New York Mellon Corp | 140,870 | $13.4M | 0.00% | +33,987+31.8% | Added |
| Invesco Ltd. | 124,658 | $11.9M | 0.00% | +27,616+28.5% | Added |
| Victory Capital Management Inc | 124,278 | $11.8M | 0.01% | +119,600+2,556.6% | Added |
| Wellington Management Group LLP | 119,601 | $11.4M | 0.00% | −1,624−1.3% | Reduced |
| StemPoint Capital LP | 116,461 | $11.1M | 1.92% | +116,461 | New |
| Parkman Healthcare Partners LLC | 113,188 | $10.8M | 1.11% | +113,188 | New |
| Dimensional Fund Advisors LP | 113,176 | $10.8M | 0.00% | +167+0.1% | Added |
| Russell Investments Group, Ltd. | 112,943 | $10.7M | 0.01% | +67,484+148.5% | Added |
| Apis Capital Advisors, LLC | 112,000 | $10.7M | 1.04% | +112,000 | New |
| Seven Grand Managers, LLC | 110,000 | $10.5M | 0.42% | +110,000 | New |
| Kennedy Capital Management, Inc. | 106,863 | $10.2M | 0.18% | −19,503−15.4% | Reduced |
| UBS Asset Management Americas Inc | 104,310 | $9.93M | 0.00% | +87,408+517.1% | Added |
| TD Asset Management Inc | 102,944 | $9.80M | 0.01% | +27,248+36.0% | Added |
| Moody Aldrich Partners LLC | 101,411 | $9.65M | 1.73% | −33,650−24.9% | Reduced |
| Atika Capital Management LLC | 100,000 | $9.52M | 0.94% | −129,900−56.5% | Reduced |
| Toronto Dominion Bank | 89,837 | $8.55M | 0.01% | +89,837 | New |
| Alyeska Investment Group, L.P. | 87,744 | $8.35M | 0.02% | −97,119−52.5% | Reduced |
| Prudential Financial Inc | 85,895 | $8.17M | 0.01% | +79,855+1,322.1% | Added |
| Rhenman & Partners Asset Management AB | 80,000 | $7.61M | 0.72% | +80,000 | New |
| Morgan Stanley | 76,360 | $7.27M | 0.00% | −99,094−56.5% | Reduced |
| B Group, Inc. | 75,000 | $7.14M | 4.05% | 00.0% | Unchanged |
| Barclays PLC | 74,762 | $7.12M | 0.00% | −10,975−12.8% | Reduced |
| Ameriprise Financial Inc | 72,734 | $6.92M | 0.00% | +72,734 | New |
| Manufacturers Life Insurance Company, The | 68,421 | $6.51M | 0.01% | −4,142−5.7% | Reduced |
| Fisher Asset Management, LLC | 67,874 | $6.46M | 0.00% | +67,874 | New |
| Ensign Peak Advisors, Inc | 67,668 | $6.44M | 0.01% | −11,712−14.8% | Reduced |
| Citigroup Inc | 67,101 | $6.39M | 0.00% | +56,714+546.0% | Added |
| Secure Asset Management, LLC | 65,899 | $6.27M | 0.88% | −6,523−9.0% | Reduced |
| Swiss National Bank | 63,000 | $6.00M | 0.00% | +20,000+46.5% | Added |
| Alps Advisors Inc | 61,014 | $5.81M | 0.03% | +21,610+54.8% | Added |
| Rhumbline Advisers | 60,784 | $5.78M | 0.00% | +14,428+31.1% | Added |
| EAM Investors, LLC | 59,014 | $5.62M | 0.50% | −932−1.6% | Reduced |
| HealthInvest Partners AB | 54,886 | $5.22M | 1.41% | +54,886 | New |
| Wells Fargo & Company | 51,924 | $4.94M | 0.00% | +37,093+250.1% | Added |
| Granahan Investment Management Inc | 51,038 | $4.86M | 0.17% | +51,038 | New |
| Ghisallo Capital Management LLC | 50,000 | $4.76M | 0.09% | +50,000 | New |
| Burkehill Global Management, LP | 50,000 | $4.76M | 0.17% | +50,000 | New |
| Trexquant Investment LP | 49,616 | $4.72M | 0.03% | +49,616 | New |