ORKA — Institutional owners (13F)

263 filers · $6.8B total · As of Sept. 30, 2026

Institutions that report holding this stock in their quarterly SEC Form 13F. Long positions only; a single filer may appear twice for separate option legs. Large offsetting put/call legs typically reflect market-making or hedged inventory, not directional conviction.

Institution Value Shares % of tracked 13F Type
FMR LLC $862,016,075 9,057,645 12.72% Shares
BlackRock, Inc. $474,915,526 4,990,181 7.01% Shares
Venrock Adviser, LLC $394,805,893 4,148,428 5.83% Shares
Fairmount Funds Management LLC $352,629,785 3,705,262 5.20% Shares
Capital World Investors $323,733,984 3,401,639 4.78% Shares
RTW INVESTMENTS, LP $298,741,485 3,139,030 4.41% Shares
STATE STREET CORP $254,384,117 2,673,090 3.75% Shares
VANGUARD CAPITAL MANAGEMENT LLC $224,693,610 2,360,971 3.32% Shares
Paradigm Biocapital Advisors LP $204,094,539 2,144,526 3.01% Shares
Deep Track Capital, LP $183,297,420 1,926,000 2.70% Shares
Bellevue Group AG $157,714,772 1,657,190 2.33% Shares
FRANKLIN RESOURCES INC $154,313,446 1,621,451 2.28% Shares
Remedium Capital Partners, LLC $149,003,957 1,565,661 2.20% Shares
RA CAPITAL MANAGEMENT, L.P. $147,950,996 1,554,597 2.18% Shares
VIKING GLOBAL INVESTORS LP $143,086,001 1,503,478 2.11% Shares
GEODE CAPITAL MANAGEMENT, LLC $136,113,846 1,429,954 2.01% Shares
PERCEPTIVE ADVISORS LLC $128,009,646 1,345,063 1.89% Shares
Polar Capital Holdings Plc $116,926,719 1,228,609 1.73% Shares
CITADEL ADVISORS LLC $106,496,277 1,119,011 1.57% Shares
BNP PARIBAS FINANCIAL MARKETS $102,689,858 1,079,015 1.52% Shares
VANGUARD GROUP INC $74,366,494 2,453,530 1.10% Shares
Avidity Partners Management LP $72,369,552 760,424 1.07% Shares
SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC $62,650,506 658,301 0.92% Shares
Aberdeen Group plc $61,569,565 646,943 0.91% Shares
UBS Group AG $60,848,177 639,363 0.90% Shares
JPMORGAN CHASE & CO $60,736,334 655,027 0.90% Shares
WESTFIELD CAPITAL MANAGEMENT CO LP $60,093,479 631,433 0.89% Shares
Pictet Asset Management Holding SA $58,914,871 619,076 0.87% Shares
Affinity Asset Advisors, LLC $56,150,300 590,000 0.83% Shares
VANGUARD PORTFOLIO MANAGEMENT LLC $55,427,865 582,409 0.82% Shares
Cormorant Asset Management, LP $50,757,968 533,340 0.75% Shares
CHARLES SCHWAB INVESTMENT MANAGEMENT INC $41,247,154 433,405 0.61% Shares
NORTHERN TRUST CORP $40,817,558 428,891 0.60% Shares
VOYA INVESTMENT MANAGEMENT LLC $38,177,350 401,149 0.56% Shares
VANGUARD FIDUCIARY TRUST CO $34,797,007 365,630 0.51% Shares
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ $34,651,587 364,102 0.51% Shares
Synergy Asset Management, LLC $33,909,166 356,301 0.50% Shares
ADAGE CAPITAL PARTNERS GP, L.L.C. $33,785,636 355,003 0.50% Shares
BANK OF AMERICA CORP /DE/ $33,578,260 352,824 0.50% Shares
SILVERARC CAPITAL MANAGEMENT, LLC $33,576,166 352,802 0.50% Shares
Candriam S.C.A. $33,535,685 352,716 0.49% Shares
Holocene Advisors, LP $29,117,357 305,951 0.43% Shares
JENNISON ASSOCIATES LLC $28,480,289 299,257 0.42% Shares
Woodline Partners LP $27,146,957 285,247 0.40% Shares
BRAIDWELL LP $26,472,868 278,164 0.39% Shares
Siren, L.L.C. $23,792,500 250,000 0.35% Shares
Nuveen, LLC $23,722,741 249,267 0.35% Shares
EVENTIDE ASSET MANAGEMENT, LLC $22,840,800 240,000 0.34% Shares
Blackstone Inc. $22,565,568 237,108 0.33% Shares
NOMURA ASSET MANAGEMENT INTERNATIONAL INC. $20,846,000 219,039 0.31% Shares
SEB Asset Management AB $18,724,947 196,753 0.28% Shares
DEUTSCHE BANK AG\ $18,577,565 195,204 0.27% Shares
GREAT POINT PARTNERS LLC $17,447,516 183,330 0.26% Shares
GOLDMAN SACHS GROUP INC $17,077,210 179,439 0.25% Shares
Sio Capital Management, LLC $16,856,320 177,118 0.25% Shares
PFM Health Sciences, LP $15,115,375 158,825 0.22% Shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP $15,074,928 158,400 0.22% Call option
First Turn Management, LLC $14,783,993 155,343 0.22% Shares
ExodusPoint Capital Management, LP $14,105,336 148,212 0.21% Shares
Bank of New York Mellon Corp $13,406,615 140,870 0.20% Shares
Invesco Ltd. $11,863,702 124,658 0.18% Shares
VICTORY CAPITAL MANAGEMENT INC $11,827,537 124,278 0.17% Shares
WELLINGTON MANAGEMENT GROUP LLP $11,382,428 119,601 0.17% Shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP $11,115,856 116,800 0.16% Put option
STEMPOINT CAPITAL LP $11,083,593 116,461 0.16% Shares
Parkman Healthcare Partners LLC $10,772,102 113,188 0.16% Shares
DIMENSIONAL FUND ADVISORS LP $10,770,960 113,176 0.16% Shares
Russell Investments Group, Ltd. $10,748,984 112,943 0.16% Shares
Apis Capital Advisors, LLC $10,659,040 112,000 0.16% Shares
SEVEN GRAND MANAGERS, LLC $10,468,700 110,000 0.15% Shares
KENNEDY CAPITAL MANAGEMENT LLC $10,170,152 106,863 0.15% Shares
TD Asset Management Inc $9,797,180 102,944 0.14% Shares
Moody Aldrich Partners LLC $9,651,285 101,411 0.14% Shares
Atika Capital Management LLC $9,517,000 100,000 0.14% Shares
TORONTO DOMINION BANK $8,549,787 89,837 0.13% Shares
Alyeska Investment Group, L.P. $8,350,596 87,744 0.12% Shares
PRUDENTIAL FINANCIAL INC $8,174,627 85,895 0.12% Shares
Rhenman & Partners Asset Management AB $7,613,600 80,000 0.11% Shares
MORGAN STANLEY $7,267,218 76,360 0.11% Shares
B Group, Inc. $7,137,750 75,000 0.11% Shares
BARCLAYS PLC $7,115,101 74,762 0.10% Shares
AMERIPRISE FINANCIAL INC $6,922,095 72,734 0.10% Shares
MANUFACTURERS LIFE INSURANCE COMPANY, THE $6,511,627 68,421 0.10% Shares
Fisher Asset Management, LLC $6,459,567 67,874 0.10% Shares
Ensign Peak Advisors, Inc $6,439,964 67,668 0.10% Shares
CITIGROUP INC $6,386,002 67,101 0.09% Shares
Secure Asset Management, LLC $6,271,585 65,899 0.09% Shares
Swiss National Bank $5,995,710 63,000 0.09% Shares
ALPS ADVISORS INC $5,806,702 61,014 0.09% Shares
RHUMBLINE ADVISERS $5,784,799 60,784 0.09% Shares
Informed Momentum Co LLC $5,616,362 59,014 0.08% Shares
Atle Fund Management AB $5,223,500 54,886 0.08% Shares
WELLS FARGO & COMPANY/MN $4,941,607 51,924 0.07% Shares
Granahan Investment Management, LLC $4,857,286 51,038 0.07% Shares
Burkehill Global Management, LP $4,758,500 50,000 0.07% Shares
Ghisallo Capital Management LLC $4,758,500 50,000 0.07% Shares
Trexquant Investment LP $4,721,955 49,616 0.07% Shares
Rafferty Asset Management, LLC $4,102,779 43,110 0.06% Shares
SECTORAL ASSET MANAGEMENT INC $3,995,903 41,987 0.06% Shares
HighVista Strategies LLC $3,987,813 41,902 0.06% Shares
XTX Topco Ltd $3,854,956 40,506 0.06% Shares
PRINCIPAL FINANCIAL GROUP INC $3,785,483 39,776 0.06% Shares
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM $3,428,023 36,020 0.05% Shares
Schonfeld Strategic Advisors LLC $3,317,625 34,860 0.05% Shares
ALLIANCEBERNSTEIN L.P. $3,241,224 66,080 0.05% Shares
Palo Alto Investors LP $3,192,573 33,546 0.05% Shares
Artia Global Partners LP $3,178,678 33,400 0.05% Shares
MILLENNIUM MANAGEMENT LLC $3,127,857 32,866 0.05% Shares
LAZARD ASSET MANAGEMENT LLC $3,063,617 32,191 0.05% Shares
Legal & General Group Plc $2,873,943 30,198 0.04% Shares
FEDERATED HERMES, INC. $2,862,904 30,082 0.04% Shares
MetLife Investment Management, LLC $2,789,718 29,313 0.04% Shares
Harvest Investment Services, LLC $2,765,926 29,063 0.04% Shares
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. $2,670,753 28,204 0.04% Shares
DIADEMA PARTNERS LP $2,645,631 27,799 0.04% Shares
MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC $2,639,350 27,733 0.04% Shares
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main $2,635,638 27,694 0.04% Shares
MARTINGALE ASSET MANAGEMENT L P $2,543,609 26,727 0.04% Shares
JUPITER ASSET MANAGEMENT LTD $2,401,710 25,236 0.04% Shares
Vanguard Global Advisers, LLC $2,358,598 24,783 0.03% Shares
CITADEL ADVISORS LLC $2,274,563 23,900 0.03% Call option
Freestone Grove Partners LP $2,133,807 22,421 0.03% Shares
GLENMEDE TRUST CO NA $2,102,876 22,096 0.03% Shares
PROFUND ADVISORS LLC $2,094,882 22,012 0.03% Shares
VANGUARD ASSET MANAGEMENT, Ltd $2,052,722 21,569 0.03% Shares
SCHRODER INVESTMENT MANAGEMENT GROUP $1,984,188 21,453 0.03% Shares
ADAR1 Capital Management, LLC $1,983,343 20,840 0.03% Shares
JANE STREET GROUP, LLC $1,912,917 20,100 0.03% Put option
STATE OF WISCONSIN INVESTMENT BOARD $1,861,620 19,561 0.03% Shares
Empirical Financial Services, LLC d.b.a. Empirical Wealth Management $1,837,924 19,312 0.03% Shares
ENVESTNET ASSET MANAGEMENT INC $1,794,621 18,857 0.03% Shares
AQR CAPITAL MANAGEMENT LLC $1,779,393 18,697 0.03% Shares
NEW YORK STATE COMMON RETIREMENT FUND $1,684,509 17,700 0.02% Shares
SEI INVESTMENTS CO $1,594,859 16,758 0.02% Shares
Creative Planning $1,497,785 15,738 0.02% Shares
Atom Investors LP $1,477,134 15,521 0.02% Shares
LPL Financial LLC $1,449,534 15,231 0.02% Shares
Police & Firemen's Retirement System of New Jersey $1,413,941 14,857 0.02% Shares
AXXCESS WEALTH MANAGEMENT, LLC $1,381,393 14,515 0.02% Shares
OPTIMIZE FINANCIAL INC. $1,274,897 13,396 0.02% Shares
Brookwood Investment Group LLC $1,236,258 12,990 0.02% Shares
J. Goldman & Co LP $1,175,921 12,356 0.02% Shares
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM $1,156,220 12,149 0.02% Shares
Rock Springs Capital Management LP $1,146,894 12,051 0.02% Shares
Allianz Asset Management GmbH $1,142,040 12,000 0.02% Shares
INTECH INVESTMENT MANAGEMENT LLC $1,119,485 11,763 0.02% Shares
Balyasny Asset Management L.P. $1,093,598 11,491 0.02% Shares
ROYAL BANK OF CANADA $1,059,000 11,123 0.02% Shares
State of New Jersey Common Pension Fund D $967,022 10,161 0.01% Shares
Mariner, LLC $953,540 10,022 0.01% Shares
STRS OHIO $932,666 9,800 0.01% Shares
CITADEL ADVISORS LLC $923,149 9,700 0.01% Put option
Zurcher Kantonalbank (Zurich Cantonalbank) $913,632 9,600 0.01% Shares
China Universal Asset Management Co., Ltd. $913,537 9,599 0.01% Shares
STIFEL FINANCIAL CORP $873,282 9,176 0.01% Shares
Advisory Services Network, LLC $843,206 8,860 0.01% Shares
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $829,043 16,902 0.01% Shares
ARIZONA STATE RETIREMENT SYSTEM $825,219 8,671 0.01% Shares
ProShare Advisors LLC $815,608 8,570 0.01% Shares
Vanguard Investments Australia, Ltd. $765,072 8,039 0.01% Shares
KLP KAPITALFORVALTNING AS $761,360 8,000 0.01% Shares
Stonepine Capital Management, LLC $713,775 7,500 0.01% Shares
Fieldview Capital Management, LLC $676,088 7,104 0.01% Shares
Persistent Asset Partners Ltd $674,279 7,085 0.01% Shares
AlphaCentric Advisors LLC $621,555 6,531 0.01% Shares
Quantinno Capital Management LP $609,183 6,401 0.01% Shares
Arrowpoint Investment Partners (Singapore) Pte. Ltd. $600,999 6,315 0.01% Shares
JANUS HENDERSON GROUP PLC $593,929 12,100 0.01% Shares
DNB Asset Management AS $583,297 6,129 0.01% Shares
E Fund Management Co., Ltd. $578,538 6,079 0.01% Shares
Orion Porfolio Solutions, LLC $554,365 5,825 0.01% Shares
MML INVESTORS SERVICES, LLC $552,081 5,801 0.01% Shares
ALGERT GLOBAL LLC $512,015 5,380 0.01% Shares
AMERICAN CENTURY COMPANIES INC $470,901 4,948 0.01% Shares
XPONANCE LLC $468,903 4,927 0.01% Shares
Quantbot Technologies LP $463,478 4,870 0.01% Shares
JANE STREET GROUP, LLC $456,816 4,800 0.01% Call option
AlphaQuest LLC $451,649 14,901 0.01% Shares
VIRTUS ADVISERS, LLC $449,773 4,726 0.01% Shares
Virtus Investment Advisers, LLC $445,491 4,681 0.01% Shares
FIRST TRUST ADVISORS LP $443,777 4,663 0.01% Shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP $436,640 4,588 0.01% Shares
Ameritas Investment Partners, Inc. $435,117 4,572 0.01% Shares
Ground Swell Capital, LLC $411,134 4,320 0.01% Shares
Quadrature Capital Ltd $408,279 4,290 0.01% Shares
PNC Financial Services Group, Inc. $402,094 4,225 0.01% Shares
US BANCORP \DE\ $399,143 4,194 0.01% Shares
Allspring Global Investments Holdings, LLC $356,648 3,823 0.01% Shares
Engineers Gate Manager LP $350,226 3,680 0.01% Shares
TEACHER RETIREMENT SYSTEM OF TEXAS $346,704 3,643 0.01% Shares
Voleon Capital Management LP $338,520 3,557 0.00% Shares
Belvedere Trading LLC $336,045 3,531 0.00% Shares
Focus Partners Wealth $333,096 3,500 0.00% Shares
Vanguard Personalized Indexing Management, LLC $332,048 3,489 0.00% Shares
PSP Research LLC $285,510 3,000 0.00% Shares
Ethic Inc. $282,179 2,965 0.00% Shares
Gradient Investments LLC $272,948 2,868 0.00% Shares
CIBC Bancorp USA Inc. $269,046 2,827 0.00% Shares
Universal- Beteiligungs- und Servicegesellschaft mbH $265,429 2,789 0.00% Shares
Iron Gate Global Advisors LLC $261,718 2,750 0.00% Shares
Mirae Asset Global Investments Co., Ltd. $256,673 2,697 0.00% Shares
Mitsubishi UFJ Trust & Banking Corp $251,439 2,642 0.00% Shares
COMMONWEALTH EQUITY SERVICES, LLC $221,940 2,332 0.00% Shares
FOX RUN MANAGEMENT, L.L.C. $213,847 2,247 0.00% Shares
State of Wyoming $213,371 2,242 0.00% Shares
Connor, Clark & Lunn Investment Management Ltd. $210,802 2,215 0.00% Shares
NEUBERGER BERMAN GROUP LLC $210,326 2,210 0.00% Shares
Swiss Life Asset Management Ltd $201,951 2,122 0.00% Shares
Tower Research Capital LLC (TRC) $183,964 1,933 0.00% Shares
Arax Advisory Partners $115,251 1,211 0.00% Shares
GF FUND MANAGEMENT CO. LTD. $113,443 1,192 0.00% Shares
T. Rowe Price Investment Management, Inc. $105,044 1,103,743 0.00% Shares
Orion Capital Management LLC $90,697 953 0.00% Shares
Stone House Investment Management, LLC $85,843 902 0.00% Shares
EverSource Wealth Advisors, LLC $80,608 847 0.00% Shares
PRICE T ROWE ASSOCIATES INC /MD/ $79,811 838,603 0.00% Shares
OSAIC HOLDINGS, INC. $77,372 813 0.00% Shares
Belvedere Trading LLC $76,136 800 0.00% Call option
Belvedere Trading LLC $76,136 800 0.00% Put option
NISA INVESTMENT ADVISORS, LLC $66,809 702 0.00% Shares
BNP PARIBAS ASSET MANAGEMENT Holding S.A. $48,442 509 0.00% Shares
Kemnay Advisory Services Inc. $47,680 501 0.00% Shares
LORD, ABBETT & CO. LLC $37,122 390,064 0.00% Shares
Parallel Advisors, LLC $32,643 343 0.00% Shares
Optiver Holding B.V. $27,028 284 0.00% Shares
LOS ANGELES CAPITAL MANAGEMENT LLC $24,268 255 0.00% Shares
CWM, LLC $20,797 424 0.00% Shares
J.Safra Asset Management Corp $20,747 218 0.00% Shares
Allworth Financial LP $17,702 186 0.00% Shares
Silver Grove Financial Group, Inc. $17,321 182 0.00% Shares
Sterling Capital Management LLC $16,845 177 0.00% Shares
Activest Wealth Management $15,798 166 0.00% Shares
GROUP ONE TRADING LLC $12,943 136 0.00% Shares
GAMMA Investing LLC $11,801 124 0.00% Shares
Aster Capital Management (DIFC) Ltd $9,993 105 0.00% Shares
JONES FINANCIAL COMPANIES LLLP $8,969 99 0.00% Shares
SIGNATUREFD, LLC $8,851 93 0.00% Shares
FIFTH THIRD BANCORP $8,180 86 0.00% Shares
Versant Capital Management, Inc $8,162 98 0.00% Shares
Clearstead Advisors, LLC $6,758 71 0.00% Shares
ROTHSCHILD INVESTMENT LLC $4,092 43 0.00% Shares
Larson Financial Group LLC $4,092 43 0.00% Shares
SBI Securities Co., Ltd. $3,331 35 0.00% Shares
Key Capital Management, INC $2,248 24 0.00% Shares
Cornerstone Financial Management LLC $1,999 21 0.00% Shares
Farther Finance Advisors, LLC $1,993 21 0.00% Shares
SG Americas Securities, LLC $1,387 14,576 0.00% Shares
Fortitude Family Office, LLC $1,142 12 0.00% Shares
Essential Partners LLC $1,047 11 0.00% Shares
IFP Advisors, Inc $952 10 0.00% Shares
Virtu Financial LLC $805 8,456 0.00% Shares
Bell Investment Advisors, Inc $762 8 0.00% Shares
Global Retirement Partners, LLC $761 8 0.00% Shares
Ares Financial Consulting, LLC $666 7 0.00% Shares
NATIONAL BANK OF CANADA /FI/ $476 5 0.00% Shares
MassMutual Private Wealth & Trust, FSB $286 3 0.00% Shares
NATURAL INVESTMENTS, LLC $202 2,125 0.00% Shares
Hughes Financial Services, LLC $190 2 0.00% Shares
Keating Financial Advisory Services, Inc. $95 1 0.00% Shares
Pacer Advisors, Inc. $69 720 0.00% Shares
CIBC Private Wealth Group LLC $19 1 0.00% Shares
iA Global Asset Management Inc. $3 28 0.00% Shares
Covestor Ltd $1 11 0.00% Shares