BKSY — Institutional owners (13F)

255 filers · $846.9M 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
BlackRock, Inc. $86,403,883 3,094,695 10.20% Shares
VANGUARD CAPITAL MANAGEMENT LLC $38,725,152 1,387,004 4.57% Shares
VANGUARD GROUP INC $34,443,788 1,837,002 4.07% Shares
AWM Investment Company, Inc. $33,504,000 1,200,000 3.96% Shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP $31,094,504 1,113,700 3.67% Call option
Driehaus Capital Management LLC $28,857,498 1,033,578 3.41% Shares
VAN ECK ASSOCIATES CORP $28,614,985 1,024,892 3.38% Shares
STATE STREET CORP $26,735,494 957,575 3.16% Shares
MORGAN STANLEY $26,297,066 941,872 3.11% Shares
Cercano Management LLC $26,048,857 932,982 3.08% Shares
MILLENNIUM MANAGEMENT LLC $25,519,131 914,009 3.01% Shares
JANE STREET GROUP, LLC $23,365,410 836,870 2.76% Shares
GEODE CAPITAL MANAGEMENT, LLC $22,821,303 817,241 2.69% Shares
BANK OF AMERICA CORP /DE/ $20,385,508 730,140 2.41% Shares
Bank of New York Mellon Corp $18,360,551 657,613 2.17% Shares
RAYMOND JAMES FINANCIAL INC $17,530,549 627,886 2.07% Shares
Daiwa Securities Group Inc. $14,914,752 534,196 1.76% Shares
CITADEL ADVISORS LLC $13,171,427 471,756 1.56% Shares
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. $11,673,543 418,093 1.38% Shares
Trexquant Investment LP $11,501,365 411,940 1.36% Shares
D. E. Shaw & Co., Inc. $10,123,792 362,600 1.20% Shares
GOLDMAN SACHS GROUP INC $10,099,390 361,726 1.19% Shares
VANGUARD PORTFOLIO MANAGEMENT LLC $10,091,600 361,447 1.19% Shares
Mitsubishi UFJ Asset Management Co., Ltd. $8,591,738 307,727 1.01% Shares
Nuveen, LLC $8,445,522 302,490 1.00% Shares
CITADEL ADVISORS LLC $8,325,744 298,200 0.98% Call option
Invesco Ltd. $8,246,284 295,354 0.97% Shares
UBS Group AG $8,215,209 294,241 0.97% Shares
Temasek Holdings (Private) Ltd $8,059,080 288,649 0.95% Shares
NORTHERN TRUST CORP $8,009,717 286,881 0.95% Shares
TUDOR INVESTMENT CORP ET AL $7,886,870 282,481 0.93% Shares
JANE STREET GROUP, LLC $7,390,424 264,700 0.87% Put option
CHARLES SCHWAB INVESTMENT MANAGEMENT INC $7,331,876 262,603 0.87% Shares
JPMORGAN CHASE & CO $7,266,956 256,330 0.86% Shares
WASATCH ADVISORS LP $7,192,816 285,883 0.85% Shares
CANADA PENSION PLAN INVESTMENT BOARD $7,144,728 255,900 0.84% Shares
LBP AM SA $6,834,481 244,788 0.81% Shares
TWO SIGMA INVESTMENTS, LP $6,792,098 243,270 0.80% Shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP $6,664,504 238,700 0.79% Put option
BNP PARIBAS FINANCIAL MARKETS $6,640,269 237,832 0.78% Shares
VANGUARD FIDUCIARY TRUST CO $6,324,857 226,535 0.75% Shares
Sender Co & Partners, Inc. $5,531,203 198,109 0.65% Shares
JANE STREET GROUP, LLC $5,447,192 195,100 0.64% Call option
RENAISSANCE TECHNOLOGIES LLC $5,404,782 193,581 0.64% Shares
Qube Research & Technologies Ltd $5,239,942 187,677 0.62% Shares
OPPENHEIMER & CO INC $5,012,143 179,518 0.59% Shares
MARSHALL WACE, LLP $5,011,167 179,483 0.59% Shares
CITADEL ADVISORS LLC $4,989,304 178,700 0.59% Put option
Defiance ETFs, LLC $4,819,439 167,691 0.57% Shares
ESSEX INVESTMENT MANAGEMENT CO LLC $3,637,446 130,281 0.43% Shares
LPL Financial LLC $3,051,433 109,292 0.36% Shares
Beacon Pointe Advisors, LLC $2,961,224 106,061 0.35% Shares
Crawford Fund Management, LLC $2,959,520 106,000 0.35% Put option
ADVENT CAPITAL MANAGEMENT /DE/ $2,792,000 100,000 0.33% Put option
WOLVERINE ASSET MANAGEMENT LLC $2,792,000 100,000 0.33% Put option
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND $2,091,208 74,900 0.25% Shares
Point72 Asset Management, L.P. $2,090,482 74,874 0.25% Shares
Jasper Ridge Partners, L.P. $2,086,713 74,739 0.25% Shares
Point72 Asset Management, L.P. $2,013,032 72,100 0.24% Call option
ExodusPoint Capital Management, LP $1,896,187 67,915 0.22% Shares
GRIFFIN ASSET MANAGEMENT, INC. $1,875,610 67,178 0.22% Shares
Jump Financial, LLC $1,828,760 65,500 0.22% Shares
Huntleigh Advisors, Inc. $1,730,176 61,969 0.20% Shares
BARCLAYS PLC $1,721,464 61,657 0.20% Shares
Swiss National Bank $1,714,288 61,400 0.20% Shares
WOLVERINE TRADING, LLC $1,633,546 81,800 0.19% Call option
Patriot Financial Group Insurance Agency, LLC $1,598,420 57,250 0.19% Shares
OAKMONT Corp $1,486,433 53,239 0.18% Shares
D. E. Shaw & Co., Inc. $1,474,176 52,800 0.17% Put option
WELLS FARGO & COMPANY/MN $1,439,638 51,563 0.17% Shares
Foundations Investment Advisors, LLC $1,241,491 44,466 0.15% Shares
SLT Holdings LLC $1,240,625 44,435 0.15% Shares
Cubist Systematic Strategies, LLC $1,239,225 61,500 0.15% Call option
Balyasny Asset Management L.P. $1,234,008 44,198 0.15% Shares
Pathstone Holdings, LLC $1,226,107 43,915 0.14% Shares
RHUMBLINE ADVISERS $1,174,418 42,064 0.14% Shares
Squarepoint Ops LLC $1,127,354 40,378 0.13% Shares
Voleon Capital Management LP $1,081,649 38,741 0.13% Shares
Cubist Systematic Strategies, LLC $1,073,995 53,300 0.13% Put option
SEI INVESTMENTS CO $1,034,051 37,036 0.12% Shares
EXCHANGE TRADED CONCEPTS, LLC $1,004,003 35,960 0.12% Shares
Point72 Asset Management, L.P. $1,002,328 35,900 0.12% Put option
Y-Intercept (Hong Kong) Ltd $1,000,485 35,834 0.12% Shares
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $991,153 39,394 0.12% Shares
Round Rock Advisors LLC $978,261 35,038 0.12% Shares
AQR CAPITAL MANAGEMENT LLC $976,170 34,963 0.12% Shares
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM $976,055 34,959 0.12% Shares
Windmill Hill Asset Management Ltd $975,916 34,954 0.12% Shares
BLAIR WILLIAM & CO/IL $966,870 34,630 0.11% Shares
DEUTSCHE BANK AG\ $963,380 34,505 0.11% Shares
CITIGROUP INC $941,351 33,716 0.11% Shares
STIFEL FINANCIAL CORP $869,737 31,151 0.10% Shares
ALLIANCEBERNSTEIN L.P. $865,353 34,394 0.10% Shares
D. E. Shaw & Co., Inc. $834,808 29,900 0.10% Call option
Numerai GP LLC $820,150 29,375 0.10% Shares
Walleye Capital LLC $806,888 28,900 0.10% Put option
PERKINS CAPITAL MANAGEMENT INC $802,700 28,750 0.09% Shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP $787,484 28,205 0.09% Shares
SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC $755,041 27,043 0.09% Shares
Atom Investors LP $644,617 23,088 0.08% Shares
WOLVERINE TRADING, LLC $639,040 32,000 0.08% Put option
VANGUARD ASSET MANAGEMENT, Ltd $619,824 22,200 0.07% Shares
CAPTRUST FINANCIAL ADVISORS $616,263 22,072 0.07% Shares
Caitong International Asset Management Co., Ltd $591,178 21,174 0.07% Shares
ExodusPoint Capital Management, LP $558,600 20,000 0.07% Call option
Firsthand Capital Management, Inc. $558,400 20,000 0.07% Shares
MetLife Investment Management, LLC $551,308 19,746 0.07% Shares
Legal & General Group Plc $542,514 19,431 0.06% Shares
Walleye Capital LLC $527,688 18,900 0.06% Call option
Vanguard Global Advisers, LLC $521,825 18,690 0.06% Shares
HSBC HOLDINGS PLC $521,308 18,314 0.06% Shares
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main $516,519 18,500 0.06% Shares
XTX Topco Ltd $514,929 18,443 0.06% Shares
BROWN BROTHERS HARRIMAN & CO $510,350 18,279 0.06% Shares
Quantinno Capital Management LP $493,549 17,677 0.06% Shares
LOS ANGELES CAPITAL MANAGEMENT LLC $412,825 14,786 0.05% Shares
Connective Capital Management, LLC $400,401 14,341 0.05% Shares
Brevan Howard Capital Management LP $397,162 14,225 0.05% Shares
OSAIC HOLDINGS, INC. $384,383 13,768 0.05% Shares
Creative Planning $379,195 13,581 0.04% Shares
Nebula Research & Development LLC $377,231 18,330 0.04% Shares
DARK FOREST CAPITAL MANAGEMENT LP $375,049 13,433 0.04% Shares
NEW YORK STATE COMMON RETIREMENT FUND $373,151 13,365 0.04% Shares
ALLEN OPERATIONS LLC $366,673 13,133 0.04% Shares
STATE OF WISCONSIN INVESTMENT BOARD $362,876 12,997 0.04% Shares
Marex Group Ltd $361,759 12,957 0.04% Shares
SteelPeak Wealth, LLC $354,138 12,684 0.04% Shares
Element Wealth, LLC $345,985 12,392 0.04% Shares
&PARTNERS $341,797 11,811 0.04% Shares
ENVESTNET ASSET MANAGEMENT INC $341,322 12,225 0.04% Shares
INTECH INVESTMENT MANAGEMENT LLC $340,792 12,206 0.04% Shares
NATIONAL BANK OF CANADA /FI/ $340,425 12,206 0.04% Shares
Capital Investment Counsel, Inc $335,040 12,000 0.04% Shares
Polar Asset Management Partners Inc. $335,040 12,000 0.04% Put option
Per Stirling Capital Management, LLC. $320,187 11,468 0.04% Shares
JANUS HENDERSON GROUP PLC $309,068 12,289 0.04% Shares
WOLVERINE ASSET MANAGEMENT LLC $308,237 11,040 0.04% Shares
Zurcher Kantonalbank (Zurich Cantonalbank) $303,770 10,880 0.04% Shares
nVerses Capital, LLC $299,916 10,742 0.04% Shares
Walleye Trading LLC $298,744 10,700 0.04% Call option
Freestone Grove Partners LP $296,175 10,608 0.03% Shares
FORA Capital, LLC $293,256 10,511 0.03% Shares
SBI Securities Co., Ltd. $292,127 10,463 0.03% Shares
BOOTHBAY FUND MANAGEMENT, LLC $290,815 10,416 0.03% Shares
NEUBERGER BERMAN GROUP LLC $289,251 10,360 0.03% Shares
Police & Firemen's Retirement System of New Jersey $279,172 9,999 0.03% Shares
Vontobel Holding Ltd. $277,720 9,947 0.03% Shares
CIBC Bancorp USA Inc. $273,728 9,804 0.03% Shares
TUDOR INVESTMENT CORP ET AL $270,824 9,700 0.03% Put option
AlphaQuest LLC $269,794 14,389 0.03% Shares
Russell Investments Group, Ltd. $269,539 9,654 0.03% Shares
TWO SIGMA SECURITIES, LLC $263,816 9,449 0.03% Shares
LexAurum Advisors, LLC $258,539 9,260 0.03% Shares
Farther Finance Advisors, LLC $257,260 9,214 0.03% Shares
MANUFACTURERS LIFE INSURANCE COMPANY, THE $245,780 8,803 0.03% Shares
ARIZONA STATE RETIREMENT SYSTEM $235,868 8,448 0.03% Shares
WOLVERINE TRADING, LLC $222,046 11,119 0.03% Shares
Cetera Investment Advisers $221,657 7,939 0.03% Shares
MANGROVE PARTNERS IM, LLC $219,730 7,870 0.03% Shares
FMR LLC $219,146 7,849 0.03% Shares
Counterpoint Mutual Funds LLC $218,474 7,825 0.03% Shares
PDT Partners, LLC $209,093 7,489 0.02% Shares
Vanguard Investments Australia, Ltd. $204,514 7,325 0.02% Shares
KLP KAPITALFORVALTNING AS $192,648 6,900 0.02% Shares
Walleye Capital LLC $192,090 6,880 0.02% Shares
Arax Advisory Partners $144,003 5,158 0.02% Shares
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO $139,600 5,000 0.02% Shares
JONES FINANCIAL COMPANIES LLLP $122,512 4,948 0.01% Shares
Aster Capital Management (DIFC) Ltd $121,675 4,358 0.01% Shares
NISA INVESTMENT ADVISORS, LLC $102,606 3,675 0.01% Shares
ROYAL BANK OF CANADA $102,000 3,661 0.01% Shares
Leonteq Securities AG $87,836 3,146 0.01% Shares
Ameritas Investment Partners, Inc. $84,849 3,039 0.01% Shares
Tower Research Capital LLC (TRC) $73,905 2,647 0.01% Shares
State of Wyoming $68,516 2,454 0.01% Shares
LMR Partners LLP $61,061 2,187 0.01% Shares
Walleye Trading LLC $55,840 2,000 0.01% Put option
NewEdge Advisors, LLC $43,388 1,554 0.01% Shares
Geneos Wealth Management Inc. $41,880 1,500 0.00% Shares
GPS Wealth Strategies Group, LLC $41,814 2,230 0.00% Shares
Global Retirement Partners, LLC $35,095 1,257 0.00% Shares
Parkside Financial Bank & Trust $33,588 1,203 0.00% Shares
Allworth Financial LP $32,611 1,168 0.00% Shares
HARBOR INVESTMENT ADVISORY, LLC $31,410 1,125 0.00% Shares
Elequin Capital, LP $29,428 1,054 0.00% Shares
Strategic Advocates LLC $27,166 973 0.00% Shares
MARYLAND CAPITAL ADVISORS INC. $26,385 945 0.00% Shares
GAMMA Investing LLC $26,273 941 0.00% Shares
ROTHSCHILD INVESTMENT LLC $25,770 923 0.00% Shares
Strive Financial Group ,LLC $25,128 900 0.00% Shares
Eurizon Capital SGR S.p.A. $22,899 807 0.00% Shares
WHITTIER TRUST CO $21,456 790 0.00% Shares
CWM, LLC $20,455 813 0.00% Shares
PNC Financial Services Group, Inc. $20,410 731 0.00% Shares
Sunbelt Securities, Inc. $20,380 810 0.00% Shares
TOKIO MARINE ASSET MANAGEMENT CO LTD $19,181 687 0.00% Shares
HRT FINANCIAL LP $14,605 523,114 0.00% Shares
IFP Advisors, Inc $14,100 505 0.00% Shares
FINANCIAL CONSULATE, INC $13,960 500 0.00% Shares
TOWARZYSTWO FUNDUSZY INWESTYCYJNYCH PZU SA $13,960 500 0.00% Shares
Quantbot Technologies LP $13,206 473 0.00% Shares
BNP PARIBAS ASSET MANAGEMENT Holding S.A. $12,592 451 0.00% Shares
Nemes Rush Group LLC $11,084 397 0.00% Shares
Penserra Capital Management LLC $9,889 354,253 0.00% Shares
Rockefeller Capital Management L.P. $9,074 325 0.00% Shares
CONSULTIVA WEALTH MANAGEMENT, CORP. $8,376 300 0.00% Shares
Federation des caisses Desjardins du Quebec $7,762 278 0.00% Shares
LORD, ABBETT & CO. LLC $7,408 265,316 0.00% Shares
Pineridge Advisors LLC $6,529 324 0.00% Shares
Hurley Capital, LLC $6,198 222 0.00% Shares
Truvestments Capital LLC $6,003 215 0.00% Shares
FIFTH THIRD BANCORP $5,677 203 0.00% Shares
Cassaday & Co Wealth Management LLC $4,803 172 0.00% Shares
Steward Partners Investment Advisory, LLC $4,272 153 0.00% Shares
Physician Wealth Advisors, Inc. $3,742 134 0.00% Shares
Sterling Capital Management LLC $3,295 118 0.00% Shares
Indiana Trust & Investment Management Co $3,211 115 0.00% Shares
EverSource Wealth Advisors, LLC $2,904 104 0.00% Shares
West Financial Advisors, LLC $2,792 100 0.00% Shares
SHP Wealth Management $2,764 99 0.00% Shares
Aventura Private Wealth, LLC $2,624 94 0.00% Shares
Kennebec Savings Bank $2,150 77 0.00% Shares
Quarry LP $2,094 75 0.00% Shares
Larson Financial Group LLC $1,954 70 0.00% Shares
Aspect Partners, LLC $1,675 60 0.00% Shares
Signature Equity Partners, LLC $1,675 60 0.00% Shares
HOLLENCREST CAPITAL MANAGEMENT $1,647 59 0.00% Shares
STANCE CAPITAL LLC $1,452 52 0.00% Shares
SIGNATUREFD, LLC $1,396 50 0.00% Shares
Walleye Trading LLC $1,173 42 0.00% Shares
Cornerstone Planning Group LLC $1,125 50 0.00% Shares
CoreCap Advisors, LLC $1,117 40 0.00% Shares
Parallel Advisors, LLC $1,033 37 0.00% Shares
Whipplewood Advisors, LLC $921 33 0.00% Shares
PRICE T ROWE ASSOCIATES INC /MD/ $848 30,337 0.00% Shares
Essential Partners LLC $838 30 0.00% Shares
Concord Wealth Partners $782 28 0.00% Shares
ORG Partners LLC $750 40 0.00% Shares
US BANCORP \DE\ $698 25 0.00% Shares
MassMutual Private Wealth & Trust, FSB $670 24 0.00% Shares
SJS Investment Consulting Inc. $643 23 0.00% Shares
FNY Investment Advisers, LLC $611 21,891 0.00% Shares
Noble Wealth Management PBC $490 23 0.00% Shares
BARRETT & COMPANY, INC. $419 15 0.00% Shares
Game Plan Financial Advisors, LLC $223 8 0.00% Shares
Cambridge Investment Research Advisors, Inc. $202 7,228 0.00% Shares
SG Americas Securities, LLC $179 6,416 0.00% Shares
TD Waterhouse Canada Inc. $172 6 0.00% Shares
PRIVATE TRUST CO NA $84 3 0.00% Shares
CIBC Private Wealth Group LLC $60 3 0.00% Shares
Hughes Financial Services, LLC $56 2 0.00% Shares
KBC Group NV $54 1,945 0.00% Shares
Altshuler Shaham Ltd $28 1 0.00% Shares
JTC Employer Solutions Trustee Ltd $21 750 0.00% Shares
Covestor Ltd $0 12 0.00% Shares