Oruka TherapeuticsORKA
13F holders, Q2 2026 (June 30)At the end of Q2 2026, 255 institutions reported holding Oruka Therapeutics Inc. (ORKA) in their 13F filings, up 71 from Q1 2026. 96 opened new positions and 27 sold out. The largest holders were FMR LLC ($862.0M), BlackRock, Inc. ($474.9M) and Venrock Adviser, LLC ($394.8M). 5 famous investors held it, including Andreas Halvorsen (0.4% of Viking Global Investors's portfolio), Ken Griffin (0.1% of Citadel Advisors's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Oruka Therapeutics Inc.
- CUSIP
- 687604108
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 96 | $1.1B |
| Exits | 27 | $117.0M |
All 13F filers, Q1 2026 → Q2 2026: 25,835,459 shares bought and 5,091,583 shares sold, net +20,743,876 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 255 holders
| FMR LLC | 0.04% | Add +21.9% | 9,057,645 | $862.0M |
| BlackRock, Inc. | 0.01% | Add +41.5% | 4,990,181 | $474.9M |
| Venrock Adviser, LLC | 11.97% | No change | 4,148,428 | $394.8M |
| Fairmount Funds Management LLC | 23.31% | No change | 3,705,262 | $352.6M |
| Capital World Investors | 0.04% | New | 3,401,639 | $323.7M |
| RTW Investments, LP | 2.55% | Add +52.5% | 3,139,030 | $298.7M |
| State Street Corp. | 0.01% | Add +65.7% | 2,673,090 | $254.4M |
| Vanguard Capital Management LLC | 0.00% | Add +27.0% | 2,360,971 | $224.7M |
| Paradigm Biocapital Advisors LP | 3.82% | Reduce -7.6% | 2,144,526 | $204.1M |
| Deep Track Capital, LP | 2.70% | Reduce -5.3% | 1,926,000 | $183.3M |
| Bellevue Group AG | 3.32% | Add +226.9% | 1,657,190 | $157.7M |
| Franklin Resources Inc. | 0.03% | Add +61.5% | 1,621,451 | $154.3M |
| Remedium Capital Partners, LLC | 32.99% | No change | 1,565,661 | $149.0M |
| Ra Capital Management, L.P. | 1.29% | New | 1,554,597 | $148.0M |
| Viking Global Investors | 0.41% | Reduce -43.6% | 1,503,478 | $143.1M |
| Geode Capital Management, LLC | 0.01% | Add +49.8% | 1,429,954 | $136.1M |
| Jupiter Topco LLC | 0.05% | — | 1,375,844 | $131.0M |
| Perceptive Advisors LLC | 1.99% | Reduce -3.6% | 1,345,063 | $128.0M |
| Polar Capital Holdings Plc | 0.33% | Add +17.3% | 1,228,609 | $116.9M |
| Citadel Advisors | 0.06% | Add +11.1% | 1,119,011 | $106.5M |
| T. Rowe Price Investment Management, Inc. | 0.07% | New | 1,103,743 | $105.0M |
| BNP Paribas Financial Markets | 0.05% | Add +9773.9% | 1,079,015 | $102.7M |
| T. Rowe Price Associates Inc. | 0.01% | Add +15.3% | 838,603 | $79.8M |
| Avidity Partners Management LP | 11.59% | No change | 760,424 | $72.4M |
| Summit Partners Public Asset Management, LLC | 1.63% | New | 658,301 | $62.7M |
| Aberdeen Group plc | 0.09% | Add +754.8% | 646,943 | $61.6M |
| UBS Group AG | 0.01% | Add +201.2% | 639,363 | $60.8M |
| JPMorgan Chase & Co. | 0.00% | Add +2795.8% | 655,027 | $60.7M |
| Westfield Capital Management Co. LP | 0.20% | Add +101.7% | 631,433 | $60.1M |
| Pictet Asset Management Holding SA | 0.06% | New | 619,076 | $58.9M |
| Affinity Asset Advisors, LLC | 2.79% | Add +18.1% | 590,000 | $56.2M |
| Vanguard Portfolio Management LLC | 0.00% | Add +66.0% | 582,409 | $55.4M |
| Cormorant Asset Management, LP | 2.60% | No change | 533,340 | $50.8M |
| Charles Schwab Investment Management Inc. | 0.01% | Add +34.6% | 433,405 | $41.2M |
| Northern Trust Corp. | 0.00% | Add +43.4% | 428,891 | $40.8M |
| Voya Investment Management LLC | 0.04% | Add +502.3% | 401,149 | $38.2M |
| Lord, Abbett & Co. LLC | 0.11% | New | 390,064 | $37.1M |
| Vanguard Fiduciary Trust Co. | 0.01% | Add +42.2% | 365,630 | $34.8M |
| Massachusetts Financial Services Co. | 0.01% | New | 364,102 | $34.7M |
| Synergy Asset Management, LLC | 3.20% | Reduce -25.2% | 356,301 | $33.9M |
| Adage Capital Partners Gp, L.L.C. | 0.05% | Add +86.8% | 355,003 | $33.8M |
| Bank of America Corp. | 0.00% | Add +252.5% | 352,824 | $33.6M |
| Silverarc Capital Management, LLC | 3.74% | Add +133.8% | 352,802 | $33.6M |
| Candriam S.C.A. | 0.15% | Reduce -14.2% | 352,716 | $33.5M |
| Holocene Advisors, LP | 0.07% | Add +64.9% | 305,951 | $29.1M |
| Jennison Associates LLC | 0.02% | Add +69.4% | 299,257 | $28.5M |
| Woodline Partners LP | 0.08% | Reduce -50.4% | 285,247 | $27.1M |
| Braidwell LP | 1.02% | New | 278,164 | $26.5M |
| Siren, L.L.C. | 0.48% | New | 250,000 | $23.8M |
| Nuveen, LLC | 0.01% | Add +186.7% | 249,267 | $23.7M |
| Eventide Asset Management, LLC | 0.31% | New | 240,000 | $22.8M |
| Blackstone Inc. | 0.07% | New | 237,108 | $22.6M |
| Nomura Asset Management International Inc. | 0.03% | New | 219,039 | $20.8M |
| SEB Asset Management AB | 0.07% | New | 196,753 | $18.7M |
| Deutsche Bank AG | 0.01% | Add +38.6% | 195,204 | $18.6M |
| Great Point Partners LLC | 4.11% | No change | 183,330 | $17.4M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -27.3% | 179,439 | $17.1M |
| Sio Capital Management, LLC | 2.89% | Add +33.7% | 177,118 | $16.9M |
| Handelsbanken Fonder AB | 0.04% | New | 160,900 | $15.3M |
| PFM Health Sciences, LP | 1.31% | Reduce -8.8% | 158,825 | $15.1M |
| First Turn Management, LLC | 1.58% | New | 155,343 | $14.8M |
| ExodusPoint Capital Management, LP | 0.13% | Add +46.2% | 148,212 | $14.1M |
| Bank of New York Mellon Corp | 0.00% | Add +31.8% | 140,870 | $13.4M |
| Invesco Ltd. | 0.00% | Add +28.5% | 124,658 | $11.9M |
| Victory Capital Management Inc. | 0.01% | Add +2556.7% | 124,278 | $11.8M |
| Wellington Management Group LLP | 0.00% | Reduce -1.3% | 119,601 | $11.4M |
| Stempoint Capital LP | 1.92% | New | 116,461 | $11.1M |
| Parkman Healthcare Partners LLC | 1.11% | New | 113,188 | $10.8M |
| Dimensional Fund Advisors LP | 0.00% | Add +0.1% | 113,176 | $10.8M |
| Russell Investments Group, Ltd. | 0.01% | Add +148.4% | 112,943 | $10.7M |
| Apis Capital Advisors, LLC | 1.04% | New | 112,000 | $10.7M |
| Seven Grand Managers, LLC | 0.42% | New | 110,000 | $10.5M |
| Kennedy Capital Management LLC | 0.18% | Reduce -15.4% | 106,863 | $10.2M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +517.1% | 104,310 | $9.9M |
| TD Asset Management Inc | 0.01% | Add +36.0% | 102,944 | $9.8M |
| Moody Aldrich Partners LLC | 1.73% | Reduce -24.9% | 101,411 | $9.7M |
| Atika Capital Management LLC | 0.94% | Reduce -56.5% | 100,000 | $9.5M |
| Toronto Dominion Bank | 0.01% | New | 89,837 | $8.5M |
| Alyeska Investment Group, L.P. | 0.02% | Reduce -52.5% | 87,744 | $8.4M |
| Prudential Financial Inc. | 0.01% | Add +1322.1% | 85,895 | $8.2M |
| Rhenman & Partners Asset Management AB | 0.72% | New | 80,000 | $7.6M |
| Morgan Stanley | 0.00% | Reduce -56.5% | 76,360 | $7.3M |
| B Group, Inc. | 4.05% | No change | 75,000 | $7.1M |
| Barclays PLC | 0.00% | Reduce -12.8% | 74,762 | $7.1M |
| Ameriprise Financial Inc. | 0.00% | New | 72,734 | $6.9M |
| Manufacturers Life Insurance Company, The | 0.01% | Reduce -5.7% | 68,421 | $6.5M |
| Fisher Asset Management | 0.00% | New | 67,874 | $6.5M |
| Ensign Peak Advisors, Inc | 0.01% | Reduce -14.8% | 67,668 | $6.4M |
| Citigroup Inc. | 0.00% | Add +546.0% | 67,101 | $6.4M |
| Secure Asset Management, LLC | 0.88% | Reduce -9.0% | 65,899 | $6.3M |
| Swiss National Bank | 0.00% | Add +46.5% | 63,000 | $6.0M |
| Alps Advisors Inc. | 0.03% | Add +54.8% | 61,014 | $5.8M |
| Rhumbline Advisers | 0.00% | Add +31.1% | 60,784 | $5.8M |
| Informed Momentum Co LLC | 0.50% | Reduce -1.6% | 59,014 | $5.6M |
| Atle Fund Management AB | 1.41% | New | 54,886 | $5.2M |
| Wells Fargo & Company | 0.00% | Add +250.1% | 51,924 | $4.9M |
| Granahan Investment Management, LLC | 0.17% | New | 51,038 | $4.9M |
| Burkehill Global Management, LP | 0.18% | New | 50,000 | $4.8M |
| Ghisallo Capital Management LLC | 0.12% | New | 50,000 | $4.8M |
| Trexquant Investment LP | 0.03% | New | 49,616 | $4.7M |
"% of holder's portfolio" is ORKA's weight in each manager's 13F, not the share of Oruka Therapeutics Inc. the manager owns.