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ORKA

Oruka Therapeutics, Inc.
$84.50 +1.37 (+1.65%) At close · Jul 7
Market Cap
$5.10B
Shares
60,312,101

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

The Jun 30, 2026 filing window is still open — showing the latest known positions. Funds that have not filed yet carry their prior-quarter positions; a fund that filed without this stock counts as sold out.
Holders: 185
Total Value: $2,540,493,125
Total Shares: 51,793,738
Showing 1–100 of 188 holdings by value · page 1 of 2

Institutional Ownership Trend

8 quarters

Superinvestors Holding ORKA

All superinvestors →
Andreas Halvorsen $130,801,144

Holder Concentration

Across 184 13F filers
Top Holder
14.3%
Sep 2024 → Mar 2026 · range 13.7% – 19.1%
of institutional value
Top 5
41.5%
Sep 2024 → Mar 2026 · range 40.3% – 57.8%
of institutional value
Top 10
60.6%
Sep 2024 → Mar 2026 · range 59.5% – 76.9%
of institutional value
HHI
517
Sep 2024 → Mar 2026 · range 506 – 892
Broadly held
Showing 100 of 188
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Mega FMR LLC $364,510,315 14.35% 7,431,403
Mid Venrock Adviser, LLC $203,480,393 8.01% 4,148,428
Mid Fairmount Funds Management LLC $181,743,101 7.15% 3,705,262
Mega BlackRock, Inc. $173,003,613 6.81% 3,527,087
Large VIKING GLOBAL INVESTORS LP $130,801,144 5.15% 2,666,690
Mid Paradigm Biocapital Advisors LP $113,811,499 4.48% 2,320,316
Large RTW INVESTMENTS, LP $100,952,159 3.97% 2,058,148
Mid Deep Track Capital, LP $99,777,657 3.93% 2,034,203
Mega VANGUARD CAPITAL MANAGEMENT LLC $91,214,900 3.59% 1,859,631
Mega STATE STREET CORP $79,140,262 3.12% 1,613,461
Small Remedium Capital Partners, LLC $76,795,672 3.02% 1,565,661
Mid PERCEPTIVE ADVISORS LLC $68,449,324 2.69% 1,395,501
Large Polar Capital Holdings Plc $51,389,341 2.02% 1,047,693
Mega CITADEL ADVISORS LLC $49,419,689 1.95% 1,007,537
Mega FRANKLIN RESOURCES INC $49,248,946 1.94% 1,004,056
Mega GEODE CAPITAL MANAGEMENT, LLC $46,836,225 1.84% 954,867
Large MERCER GLOBAL ADVISORS INC /ADV $39,361,153 1.55% 802,470
Small Avidity Partners Management LP $37,298,797 1.47% 760,424
Mega PRICE T ROWE ASSOCIATES INC /MD/ $35,681,373 1.40% 727,449
Large Woodline Partners LP $28,197,962 1.11% 574,882
Mid Cormorant Asset Management, LP $26,160,327 1.03% 533,340
Mid Bellevue Group AG $24,868,742 0.98% 507,008
Mid Affinity Asset Advisors, LLC $24,508,960 0.96% 499,673
Small Synergy Asset Management, LLC $23,357,413 0.92% 476,196
Small SR One Capital Management, LP $21,107,686 0.83% 430,330
Large Candriam S.C.A. $20,159,844 0.79% 411,006
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $15,791,598 0.62% 321,949
Large WESTFIELD CAPITAL MANAGEMENT CO LP $15,359,026 0.60% 313,130
Mega NORTHERN TRUST CORP Bank $14,668,106 0.58% 299,044
Mega VANGUARD FIDUCIARY TRUST CO Bank $12,609,332 0.50% 257,071
Mega GOLDMAN SACHS GROUP INC $12,101,174 0.48% 246,711
Mid Ikarian Capital, LLC $11,871,130 0.47% 242,021
Small Atika Capital Management LLC $11,276,594 0.44% 229,900
Mega UBS Group AG $10,411,892 0.41% 212,271
Small Cable Car Capital, LP $9,810,000 0.39% 200,000
Large ADAGE CAPITAL PARTNERS GP, L.L.C. $9,320,971 0.37% 190,030
Large Holocene Advisors, LP $9,099,412 0.36% 185,513
Large Alyeska Investment Group, L.P. $9,067,530 0.36% 184,863
Small GREAT POINT PARTNERS LLC $8,992,336 0.35% 183,330
Mega JENNISON ASSOCIATES LLC $8,666,154 0.34% 176,680
Mega MORGAN STANLEY $8,606,015 0.34% 175,454
Small PFM Health Sciences, LP $8,537,250 0.34% 174,052
Small SILVERARC CAPITAL MANAGEMENT, LLC $7,402,037 0.29% 150,908
Small Jones Hill Capital LP $6,908,349 0.27% 140,843
Mega DEUTSCHE BANK AG\ Bank $6,905,699 0.27% 140,789
Mid Longaeva Partners L.P. $6,714,160 0.26% 136,884
Small Moody Aldrich Partners LLC $6,624,742 0.26% 135,061
Small Sio Capital Management, LLC $6,498,928 0.26% 132,496
Mid KENNEDY CAPITAL MANAGEMENT LLC $6,198,252 0.24% 126,366
Mega WELLINGTON MANAGEMENT GROUP LLP $5,946,084 0.23% 121,225
Small Kalehua Capital Management LLC $5,813,602 0.23% 118,524
Mega DIMENSIONAL FUND ADVISORS LP $5,543,091 0.22% 113,009
Mega Bank of New York Mellon Corp Bank $5,242,610 0.21% 106,883
Large ExodusPoint Capital Management, LP $4,971,413 0.20% 101,354
Mega BANK OF AMERICA CORP /DE/ Bank $4,909,463 0.19% 100,091
Mega Invesco Ltd. $4,759,908 0.19% 97,042
Mega Nuveen, LLC $4,264,308 0.17% 86,938
Mega BARCLAYS PLC $4,205,399 0.17% 85,737
Large Ensign Peak Advisors, Inc $3,893,589 0.15% 79,380
Small HighVista Strategies LLC $3,870,584 0.15% 78,911
Mega TD Asset Management Inc $3,712,888 0.15% 75,696
Large Aberdeen Group plc $3,712,104 0.15% 75,680
Small B Group, Inc. $3,678,750 0.14% 75,000
Mega AMERICAN CENTURY COMPANIES INC $3,648,633 0.14% 74,386
Mega MANUFACTURERS LIFE INSURANCE COMPANY, THE Insurance $3,559,215 0.14% 72,563
Small Secure Asset Management, LLC $3,552,299 0.14% 72,422
Mid BOOTHBAY FUND MANAGEMENT, LLC $3,309,943 0.13% 67,481
Large VOYA INVESTMENT MANAGEMENT LLC $3,266,729 0.13% 66,600
Mega JANE STREET GROUP, LLC $3,247,110 0.13% 66,200
Small SUPERSTRING CAPITAL MANAGEMENT LP $3,119,138 0.12% 63,591
Small Palo Alto Investors LP $2,942,264 0.12% 59,985
Small Informed Momentum Co LLC $2,940,351 0.12% 59,946
Mega RHUMBLINE ADVISERS $2,273,761 0.09% 46,356
Large Russell Investments Group, Ltd. $2,229,762 0.09% 45,459
Large FRED ALGER MANAGEMENT, LLC $2,150,401 0.08% 43,841
Mega Swiss National Bank Bank $2,109,150 0.08% 43,000
Mid MARTINGALE ASSET MANAGEMENT L P $2,096,004 0.08% 42,732
Mid Voleon Capital Management LP $1,988,437 0.08% 40,539
Large Rafferty Asset Management, LLC $1,985,887 0.08% 40,487
Mega ALLIANCEBERNSTEIN L.P. $1,981,620 0.08% 40,400
Large ALPS ADVISORS INC $1,932,766 0.08% 39,404
Mid Y-Intercept (Hong Kong) Ltd $1,810,533 0.07% 36,912
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $1,442,070 0.06% 29,400
Mega SCHRODER INVESTMENT MANAGEMENT GROUP $1,431,475 0.06% 29,184
Large Squarepoint Ops LLC $1,199,910 0.05% 24,463
Mega ENVESTNET ASSET MANAGEMENT INC $1,160,866 0.05% 23,667
Large SEI INVESTMENTS CO $1,120,302 0.04% 22,840
Mega JPMORGAN CHASE & CO $1,109,509 0.04% 22,620
Large GLENMEDE TRUST CO NA Bank $1,067,916 0.04% 21,772
Large CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension $1,048,198 0.04% 21,370
Mega Vanguard Global Advisers, LLC $1,048,198 0.04% 21,370
Large MetLife Investment Management, LLC $1,047,855 0.04% 21,363
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $1,029,265 0.04% 20,984
Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. Mutual Fund $1,028,283 0.04% 20,964
Mid ADAR1 Capital Management, LLC $1,022,202 0.04% 20,840
Mid XTX Topco Ltd $989,829 0.04% 20,180
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $971,190 0.04% 19,800
Mega TWO SIGMA INVESTMENTS, LP $949,804 0.04% 19,364
Mid PROFUND ADVISORS LLC $899,380 0.04% 18,336
Mid Empirical Financial Services, LLC d.b.a. Empirical Wealth Management $894,131 0.04% 18,229
Key facts CIK 907654 CUSIP 687604108 13F (30d) 4 filings 4 filers Visit website Investor relations

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