ANTX — Institutional owners (13F)

69 filers · $120.4M total · As of June 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
Vivo Capital, LLC $15,263,618 3,153,640 12.68% Shares
Commodore Capital LP $14,199,011 2,933,680 11.79% Shares
MILLENNIUM MANAGEMENT LLC $11,222,469 2,318,692 9.32% Shares
BlackRock, Inc. $8,060,991 1,665,494 6.69% Shares
Spruce Street Capital LP $8,039,593 1,661,073 6.68% Shares
Almitas Capital LLC $7,110,584 1,469,129 5.90% Shares
VANGUARD CAPITAL MANAGEMENT LLC $5,995,332 1,238,705 4.98% Shares
ADAGE CAPITAL PARTNERS GP, L.L.C. $4,840,000 1,000,000 4.02% Shares
CITADEL ADVISORS LLC $4,607,665 951,997 3.83% Shares
Boxer Capital Management, LLC $3,625,329 749,035 3.01% Shares
GEODE CAPITAL MANAGEMENT, LLC $3,378,664 697,806 2.81% Shares
SummitTX Capital, L.P. $2,891,673 597,453 2.40% Shares
Balyasny Asset Management L.P. $2,691,171 556,027 2.23% Shares
Stonepine Capital Management, LLC $2,670,190 551,692 2.22% Shares
AMERIPRISE FINANCIAL INC $2,599,390 537,064 2.16% Shares
Sio Capital Management, LLC $2,564,876 529,933 2.13% Shares
Ally Bridge Group (NY) LLC $2,547,365 526,315 2.12% Shares
Prosight Management, LP $2,297,248 474,638 1.91% Shares
Woodline Partners LP $2,225,456 459,805 1.85% Shares
STATE STREET CORP $1,508,154 311,602 1.25% Shares
VANGUARD GROUP INC $1,231,280 1,080,070 1.02% Shares
NORTHERN TRUST CORP $1,040,217 214,921 0.86% Shares
Seven Fleet Capital Management LP $1,011,299 208,946 0.84% Shares
VANGUARD FIDUCIARY TRUST CO $953,093 196,920 0.79% Shares
VANGUARD PORTFOLIO MANAGEMENT LLC $869,235 179,594 0.72% Shares
LANDSCAPE CAPITAL MANAGEMENT, L.L.C. $810,438 167,446 0.67% Shares
BANK OF AMERICA CORP /DE/ $705,686 145,803 0.59% Shares
RENAISSANCE TECHNOLOGIES LLC $627,748 129,700 0.52% Shares
GOLDMAN SACHS GROUP INC $425,596 87,933 0.35% Shares
DIMENSIONAL FUND ADVISORS LP $368,058 76,045 0.31% Shares
UBS Group AG $358,576 74,086 0.30% Shares
Walleye Capital LLC $349,153 72,139 0.29% Shares
Bank of New York Mellon Corp $327,552 67,676 0.27% Shares
CHARLES SCHWAB INVESTMENT MANAGEMENT INC $310,825 64,220 0.26% Shares
TWO SIGMA ADVISERS, LP $301,986 264,900 0.25% Shares
BRIDGEWAY CAPITAL MANAGEMENT, LLC $289,916 59,900 0.24% Shares
ADAR1 Capital Management, LLC $284,631 58,808 0.24% Shares
MORGAN STANLEY $238,995 49,379 0.20% Shares
CAPTRUST FINANCIAL ADVISORS $194,399 40,165 0.16% Shares
Velan Capital Investment Management LP $193,600 40,000 0.16% Shares
Nuveen, LLC $171,012 35,333 0.14% Shares
DEUTSCHE BANK AG\ $125,056 25,838 0.10% Shares
RHUMBLINE ADVISERS $117,810 24,342 0.10% Shares
WELLS FARGO & COMPANY/MN $108,363 22,389 0.09% Shares
TWO SIGMA INVESTMENTS, LP $77,019 15,913 0.06% Shares
Invesco Ltd. $66,981 13,839 0.06% Shares
LPL Financial LLC $59,774 12,350 0.05% Shares
CITIGROUP INC $59,373 12,267 0.05% Shares
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. $58,980 12,186 0.05% Shares
JPMORGAN CHASE & CO $55,184 10,971 0.05% Shares
Bronte Capital Management Pty Ltd. $52,732 10,895 0.04% Shares
BNP PARIBAS FINANCIAL MARKETS $49,295 10,185 0.04% Shares
Police & Firemen's Retirement System of New Jersey $41,697 8,615 0.03% Shares
Vanguard Global Advisers, LLC $35,497 7,334 0.03% Shares
BARCLAYS PLC $26,577 5,491 0.02% Shares
NEW YORK STATE COMMON RETIREMENT FUND $24,200 5,000 0.02% Shares
Legal & General Group Plc $12,429 2,576 0.01% Shares
Ameritas Investment Partners, Inc. $11,626 2,402 0.01% Shares
Russell Investments Group, Ltd. $10,222 2,112 0.01% Shares
Tower Research Capital LLC (TRC) $8,746 1,807 0.01% Shares
ROYAL BANK OF CANADA $5,000 938 0.00% Shares
Sterling Capital Management LLC $2,343 484 0.00% Shares
FEDERATED HERMES, INC. $2,173 449 0.00% Shares
OSAIC HOLDINGS, INC. $1,452 300 0.00% Shares
Caitong International Asset Management Co., Ltd $1,326 274 0.00% Shares
SBI Securities Co., Ltd. $973 201 0.00% Shares
FMR LLC $295 61 0.00% Shares
PRICE T ROWE ASSOCIATES INC /MD/ $107 22,022 0.00% Shares
HUNTINGTON NATIONAL BANK $57 1 0.00% Shares