STRO — Institutional owners (13F)

110 filers · $537.9M 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
PERCEPTIVE ADVISORS LLC $43,320,887 1,304,846 8.05% Shares
BVF INC/IL $41,559,362 1,251,788 7.73% Shares
Affinity Asset Advisors, LLC $38,926,568 1,172,487 7.24% Shares
BlackRock, Inc. $37,272,146 1,122,655 6.93% Shares
SAMSARA BIOCAPITAL, LLC $35,287,350 1,062,872 6.56% Shares
Kynam Capital Management, LP $28,968,926 872,558 5.39% Shares
ORBIMED ADVISORS LLC $24,698,941 743,944 4.59% Shares
Balyasny Asset Management L.P. $23,610,578 711,162 4.39% Shares
VANGUARD CAPITAL MANAGEMENT LLC $23,048,071 694,219 4.28% Shares
EVENTIDE ASSET MANAGEMENT, LLC $19,430,698 585,262 3.61% Shares
Velan Capital Investment Management LP $17,003,712 512,160 3.16% Shares
Woodline Partners LP $15,206,563 458,029 2.83% Shares
ADAR1 Capital Management, LLC $13,413,265 404,014 2.49% Shares
GEODE CAPITAL MANAGEMENT, LLC $12,940,982 389,692 2.41% Shares
MILLENNIUM MANAGEMENT LLC $12,150,270 365,972 2.26% Shares
STATE STREET CORP $10,158,503 305,979 1.89% Shares
Merck & Co., Inc. $9,042,053 272,351 1.68% Shares
ACUTA CAPITAL PARTNERS, LLC $8,972,333 270,251 1.67% Shares
AMERIPRISE FINANCIAL INC $8,123,011 244,669 1.51% Shares
Point72 Asset Management, L.P. $7,895,856 237,827 1.47% Shares
KVP Capital Advisors, LP $7,522,290 226,575 1.40% Shares
UBS Group AG $6,922,599 208,512 1.29% Shares
TWO SIGMA INVESTMENTS, LP $6,696,042 201,688 1.24% Shares
VANGUARD PORTFOLIO MANAGEMENT LLC $6,559,058 197,562 1.22% Shares
MARSHALL WACE, LLP $5,818,167 175,246 1.08% Shares
Nuveen, LLC $5,577,500 167,997 1.04% Shares
JPMORGAN CHASE & CO $5,323,560 159,627 0.99% Shares
GOLDMAN SACHS GROUP INC $4,953,971 149,216 0.92% Shares
VANGUARD GROUP INC $4,347,844 375,786 0.81% Shares
NORTHERN TRUST CORP $4,180,976 125,933 0.78% Shares
Seven Fleet Capital Management LP $3,794,182 159,118 0.71% Shares
Qube Research & Technologies Ltd $3,539,452 106,610 0.66% Shares
VANGUARD FIDUCIARY TRUST CO $3,460,502 104,232 0.64% Shares
CITADEL ADVISORS LLC $3,385,238 101,965 0.63% Shares
MACKENZIE FINANCIAL CORP $3,146,264 94,767 0.58% Shares
RENAISSANCE TECHNOLOGIES LLC $2,865,957 86,324 0.53% Shares
Invesco Ltd. $1,902,526 57,305 0.35% Shares
Y-Intercept (Hong Kong) Ltd $1,855,183 55,879 0.34% Shares
Squarepoint Ops LLC $1,843,895 55,539 0.34% Shares
XTX Topco Ltd $1,732,011 52,169 0.32% Shares
CHARLES SCHWAB INVESTMENT MANAGEMENT INC $1,636,826 49,302 0.30% Shares
Sigma Planning Corp $1,494,664 45,020 0.28% Shares
Bank of New York Mellon Corp $1,373,451 41,369 0.26% Shares
BARCLAYS PLC $1,226,872 36,954 0.23% Shares
BANK OF AMERICA CORP /DE/ $1,199,848 36,140 0.22% Shares
Fisher Asset Management, LLC $1,171,794 35,295 0.22% Shares
Elmind Capital, LP $1,063,628 32,037 0.20% Shares
D. E. Shaw & Co., Inc. $1,000,250 30,128 0.19% Shares
Trexquant Investment LP $917,515 27,636 0.17% Shares
BNP PARIBAS FINANCIAL MARKETS $909,116 27,383 0.17% Shares
RHUMBLINE ADVISERS $684,845 20,628 0.13% Shares
SEI INVESTMENTS CO $544,048 16,387 0.10% Shares
Informed Momentum Co LLC $538,902 16,232 0.10% Shares
DEUTSCHE BANK AG\ $516,692 15,563 0.10% Shares
RBF Capital, LLC $507,030 15,272 0.09% Shares
WELLS FARGO & COMPANY/MN $449,661 13,544 0.08% Shares
AJU IB Investment Co., Ltd. $435,925 17,500 0.08% Shares
MORGAN STANLEY $410,219 12,356 0.08% Shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP $368,520 11,100 0.07% Call option
SUSQUEHANNA INTERNATIONAL GROUP, LLP $365,200 11,000 0.07% Put option
WELLINGTON MANAGEMENT GROUP LLP $358,560 10,800 0.07% Shares
MetLife Investment Management, LLC $312,113 9,401 0.06% Shares
Walleye Capital LLC $308,959 9,306 0.06% Shares
Integrated Quantitative Investments LLC $296,775 8,939 0.06% Shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP $279,743 8,426 0.05% Shares
Lighthouse Investment Partners, LLC $277,818 8,368 0.05% Shares
CITIGROUP INC $247,539 7,456 0.05% Shares
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. $242,792 7,313 0.05% Shares
ALLIANCEBERNSTEIN L.P. $242,360 7,300 0.05% Shares
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM $232,433 7,001 0.04% Shares
Persistent Asset Partners Ltd $218,091 6,569 0.04% Shares
Verdad Advisers, LP $212,480 6,400 0.04% Shares
HSBC HOLDINGS PLC $205,722 6,234 0.04% Shares
TWO SIGMA ADVISERS, LP $203,401 17,580 0.04% Shares
NEW YORK STATE COMMON RETIREMENT FUND $185,920 5,600 0.03% Shares
Vanguard Global Advisers, LLC $180,774 5,445 0.03% Shares
Police & Firemen's Retirement System of New Jersey $156,173 4,704 0.03% Shares
Legal & General Group Plc $114,939 3,462 0.02% Shares
State of Wyoming $53,718 1,618 0.01% Shares
Ameritas Investment Partners, Inc. $48,074 1,448 0.01% Shares
FMR LLC $44,454 1,339 0.01% Shares
Russell Investments Group, Ltd. $42,330 1,275 0.01% Shares
Tower Research Capital LLC (TRC) $28,751 866 0.01% Shares
Point72 Asia (Singapore) Pte. Ltd. $26,943 31,026 0.01% Shares
CWM, LLC $24,487 983 0.00% Shares
ROYAL BANK OF CANADA $23,000 687 0.00% Shares
Owl Creek Wealth Partners LLC $16,302 491 0.00% Shares
ACADIAN ASSET MANAGEMENT LLC $12,405 373,839 0.00% Shares
Sterling Capital Management LLC $9,329 281 0.00% Shares
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM $7,304 220 0.00% Shares
Quantbot Technologies LP $6,673 201 0.00% Shares
Physician Wealth Advisors, Inc. $6,043 182 0.00% Shares
OSAIC HOLDINGS, INC. $3,320 100 0.00% Shares
PNC Financial Services Group, Inc. $2,058 62 0.00% Shares
Fortitude Family Office, LLC $1,859 56 0.00% Shares
Bogart Wealth, LLC $1,660 50 0.00% Shares
Parallel Advisors, LLC $1,560 47 0.00% Shares
NISA INVESTMENT ADVISORS, LLC $1,461 44 0.00% Shares
Accredited Wealth Management, LLC $869 5 0.00% Shares
HighMark Wealth Management LLC $763 23 0.00% Shares
GSA CAPITAL PARTNERS LLP $656 19,749 0.00% Shares
Arax Advisory Partners $531 16 0.00% Shares
PRICE T ROWE ASSOCIATES INC /MD/ $452 13,597 0.00% Shares
Steward Partners Investment Advisory, LLC $66 2 0.00% Shares
Optiver Holding B.V. $66 2 0.00% Shares
FIFTH THIRD BANCORP $66 2 0.00% Shares
COMERICA BANK $35 3 0.00% Shares
FNY Investment Advisers, LLC $33 1,000 0.00% Shares
Cubist Systematic Strategies, LLC $9 10 0.00% Shares
Avion Wealth $1 46 0.00% Shares