KOS — Institutional owners (13F)

297 filers · $946.9M 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
BlackRock, Inc. $118,209,630 56,023,521 12.48% Shares
STATE STREET CORP $62,145,864 29,453,016 6.56% Shares
TWO SIGMA INVESTMENTS, LP $53,589,974 25,398,092 5.66% Shares
D. E. Shaw & Co., Inc. $51,775,830 24,538,308 5.47% Shares
Equinox Partners Investment Management LLC $43,630,650 20,678,033 4.61% Shares
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC $39,762,488 18,844,781 4.20% Shares
GEODE CAPITAL MANAGEMENT, LLC $36,016,959 17,066,608 3.80% Shares
CHARLES SCHWAB INVESTMENT MANAGEMENT INC $29,053,995 13,769,666 3.07% Shares
VANGUARD PORTFOLIO MANAGEMENT LLC $25,320,882 12,000,418 2.67% Shares
Grantham, Mayo, Van Otterloo & Co. LLC $25,003,762 11,850,124 2.64% Shares
Invesco Ltd. $23,102,470 10,949,038 2.44% Shares
DIMENSIONAL FUND ADVISORS LP $20,217,815 9,582,883 2.14% Shares
GOLDMAN SACHS GROUP INC $18,002,409 8,531,947 1.90% Shares
AMERICAN CENTURY COMPANIES INC $16,956,971 8,036,479 1.79% Shares
Davidson Kempner Capital Management LP $16,880,682 8,000,323 1.78% Shares
MILLENNIUM MANAGEMENT LLC $15,676,656 7,429,695 1.66% Shares
MORGAN STANLEY $15,530,504 7,360,428 1.64% Shares
Nuveen, LLC $15,467,327 7,330,487 1.63% Shares
M&G PLC $14,819,374 7,409,687 1.56% Shares
RENAISSANCE TECHNOLOGIES LLC $14,788,289 7,008,668 1.56% Shares
VANGUARD CAPITAL MANAGEMENT LLC $14,374,928 6,812,762 1.52% Shares
VANGUARD GROUP INC $13,456,474 14,836,244 1.42% Shares
UBS Group AG $12,827,665 6,079,462 1.35% Shares
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $11,547,226 4,153,678 1.22% Shares
NORTHERN TRUST CORP $11,209,204 5,312,419 1.18% Shares
Bridgewater Associates, LP $9,960,361 4,720,550 1.05% Shares
Boston Partners $8,931,635 4,097,453 0.94% Shares
AQR CAPITAL MANAGEMENT LLC $8,625,123 4,087,736 0.91% Shares
FIRST TRUST ADVISORS LP $8,468,027 4,013,283 0.89% Shares
VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P. $8,457,988 4,008,525 0.89% Shares
OSTRUM ASSET MANAGEMENT $8,457,988 4,008,525 0.89% Shares
VANGUARD FIDUCIARY TRUST CO $7,346,969 3,481,976 0.78% Shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP $7,082,584 3,356,675 0.75% Shares
BANK OF AMERICA CORP /DE/ $6,187,606 2,932,515 0.65% Shares
GeoSphere Capital Management, LLC $5,937,093 2,813,788 0.63% Shares
Russell Investments Group, Ltd. $5,578,512 2,643,845 0.59% Shares
ALGERT GLOBAL LLC $5,255,373 2,490,698 0.55% Shares
WELLS FARGO & COMPANY/MN $4,341,937 2,057,790 0.46% Shares
NOMURA HOLDINGS INC $4,281,838 2,029,307 0.45% Shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP $4,276,759 2,026,900 0.45% Put option
Ballast Asset Management, LP $4,237,203 2,008,153 0.45% Shares
Point72 Asset Management, L.P. $4,172,993 1,977,722 0.44% Shares
Bank of New York Mellon Corp $3,913,253 1,854,622 0.41% Shares
BARCLAYS PLC $3,658,335 1,733,808 0.39% Shares
Gotham Asset Management, LLC $3,356,103 1,590,570 0.35% Shares
LMR Partners LLP $3,176,291 1,505,351 0.34% Shares
LPL Financial LLC $2,906,363 1,377,423 0.31% Shares
Squarepoint Ops LLC $2,904,491 1,376,536 0.31% Shares
CenterBook Partners LP $2,773,650 1,314,526 0.29% Shares
Swiss National Bank $2,448,444 1,160,400 0.26% Shares
Man Group plc $2,411,382 1,142,835 0.25% Shares
CITADEL ADVISORS LLC $2,408,987 1,141,700 0.25% Call option
GRATIA CAPITAL, LLC $2,399,703 1,137,300 0.25% Call option
FMR LLC $2,355,043 1,116,134 0.25% Shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP $2,299,900 1,090,000 0.24% Call option
Purpose Unlimited Inc. $2,236,600 1,060,000 0.24% Shares
Susquehanna Portfolio Strategies, LLC $2,179,600 1,032,986 0.23% Shares
SEI INVESTMENTS CO $2,110,502 1,000,238 0.22% Shares
FIRST SABREPOINT CAPITAL MANAGEMENT LP $2,110,000 1,000,000 0.22% Shares
GRATIA CAPITAL, LLC $2,033,361 963,678 0.21% Shares
CITADEL ADVISORS LLC $2,026,022 960,200 0.21% Put option
PLUSTICK MANAGEMENT LLC $1,899,000 900,000 0.20% Shares
J. Goldman & Co LP $1,846,461 875,100 0.19% Call option
ALLIANCEBERNSTEIN L.P. $1,778,811 639,860 0.19% Shares
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND $1,705,587 808,335 0.18% Shares
TWO SIGMA ADVISERS, LP $1,664,373 1,834,222 0.18% Shares
Rafferty Asset Management, LLC $1,657,120 785,365 0.17% Shares
DEUTSCHE BANK AG\ $1,612,804 764,362 0.17% Shares
Creative Planning $1,560,936 739,780 0.16% Shares
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM $1,535,666 727,804 0.16% Shares
RHUMBLINE ADVISERS $1,513,279 717,198 0.16% Shares
JANE STREET GROUP, LLC $1,489,871 706,100 0.16% Call option
Lombard Odier Asset Management (USA) Corp $1,477,000 700,000 0.16% Call option
Raiffeisen Bank International AG $1,456,000 700,000 0.15% Shares
MACKENZIE FINANCIAL CORP $1,424,250 675,000 0.15% Shares
IMC-Chicago, LLC $1,193,663 565,717 0.13% Shares
BOOTHBAY FUND MANAGEMENT, LLC $1,156,702 548,200 0.12% Shares
Banco Santander, S.A. $1,108,548 525,378 0.12% Shares
AMERIPRISE FINANCIAL INC $1,103,207 522,847 0.12% Shares
Moors & Cabot, Inc. $968,385 458,950 0.10% Shares
Numerai GP LLC $928,586 440,088 0.10% Shares
State of New Jersey Common Pension Fund D $852,081 403,830 0.09% Shares
VANGUARD ASSET MANAGEMENT, Ltd $828,810 392,801 0.09% Shares
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. $820,720 388,967 0.09% Shares
CITIGROUP INC $820,013 388,632 0.09% Shares
JPMORGAN CHASE & CO $817,461 393,010 0.09% Shares
WOLVERINE TRADING, LLC $777,886 465,800 0.08% Put option
Caption Management, LLC $764,242 362,200 0.08% Call option
Mariner, LLC $753,691 357,246 0.08% Shares
Legal & General Group Plc $742,045 351,680 0.08% Shares
MetLife Investment Management, LLC $735,354 348,509 0.08% Shares
Verdence Capital Advisors LLC $726,429 344,279 0.08% Shares
Headlands Technologies LLC $725,880 344,019 0.08% Shares
IEQ CAPITAL, LLC $720,947 341,681 0.08% Shares
AXQ CAPITAL, LP $712,678 337,762 0.08% Shares
PEAK6 LLC $706,922 335,034 0.07% Shares
Brevan Howard Capital Management LP $643,185 304,827 0.07% Shares
WOLVERINE TRADING, LLC $633,850 379,551 0.07% Shares
MERCER GLOBAL ADVISORS INC /ADV $619,331 293,522 0.07% Shares
Vanguard Global Advisers, LLC $611,193 289,665 0.06% Shares
JANUS HENDERSON GROUP PLC $586,324 211,288 0.06% Shares
KLP KAPITALFORVALTNING AS $547,756 259,600 0.06% Shares
Dalton Investments, Inc. $527,500 250,000 0.06% Shares
Balyasny Asset Management L.P. $518,387 245,681 0.05% Shares
CAXTON ASSOCIATES LLP $513,182 243,214 0.05% Shares
CLOVERFIELDS CAPITAL GROUP, LP $510,175 241,789 0.05% Shares
Inspire Investing, LLC $509,908 183,420 0.05% Shares
Zurcher Kantonalbank (Zurich Cantonalbank) $478,354 226,708 0.05% Shares
Amundi $431,113 204,319 0.05% Shares
Kiker Wealth Management, LLC $426,247 202,013 0.05% Shares
Caitong International Asset Management Co., Ltd $416,126 197,216 0.04% Shares
CITADEL ADVISORS LLC $411,260 194,910 0.04% Shares
Counterpoint Mutual Funds LLC $404,877 191,885 0.04% Shares
Cerity Partners LLC $401,083 190,087 0.04% Shares
Quadrature Capital Ltd $393,285 186,391 0.04% Shares
Aquatic Capital Management LLC $386,828 183,331 0.04% Shares
BNP PARIBAS FINANCIAL MARKETS $385,208 182,563 0.04% Shares
BWM Planning, LLC $383,252 181,636 0.04% Shares
CoreCommodity Management, LLC $380,279 180,227 0.04% Shares
ExodusPoint Capital Management, LP $374,021 177,261 0.04% Shares
Police & Firemen's Retirement System of New Jersey $370,305 175,500 0.04% Shares
NEW YORK STATE COMMON RETIREMENT FUND $367,461 174,152 0.04% Shares
Centiva Capital, LP $363,443 172,248 0.04% Shares
PRUDENTIAL FINANCIAL INC $356,221 168,825 0.04% Shares
ARIZONA STATE RETIREMENT SYSTEM $336,705 159,576 0.04% Shares
MANUFACTURERS LIFE INSURANCE COMPANY, THE $328,998 155,923 0.03% Shares
SIG BROKERAGE, LP $324,543 153,812 0.03% Shares
INTECH INVESTMENT MANAGEMENT LLC $316,888 150,184 0.03% Shares
Atria Investments, Inc $316,842 150,162 0.03% Shares
RWC Asset Management LLP $312,550 148,128 0.03% Shares
Gallagher Fiduciary Advisors, LLC $311,679 147,715 0.03% Shares
Vanguard Investments Australia, Ltd. $309,077 146,482 0.03% Shares
Universal- Beteiligungs- und Servicegesellschaft mbH $308,694 146,301 0.03% Shares
JANE STREET GROUP, LLC $308,060 146,000 0.03% Put option
GROUP ONE TRADING LLC $297,086 140,799 0.03% Shares
GF FUND MANAGEMENT CO. LTD. $284,797 134,975 0.03% Shares
CWM, LLC $279,482 100,533 0.03% Shares
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM $275,081 130,370 0.03% Shares
Ethic Inc. $248,642 117,840 0.03% Shares
VOYA INVESTMENT MANAGEMENT LLC $244,560 115,905 0.03% Shares
WELLINGTON MANAGEMENT GROUP LLP $237,177 112,406 0.03% Shares
BLAIR WILLIAM & CO/IL $231,138 109,544 0.02% Shares
Fulcrum Asset Management LLP $208,915 100,440 0.02% Shares
Pictet Asset Management Holding SA $197,161 93,441 0.02% Shares
JANE STREET GROUP, LLC $196,941 93,337 0.02% Shares
O'Brien Greene & Co. Inc $189,900 90,000 0.02% Shares
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC $174,366 95,636 0.02% Shares
XTX Topco Ltd $169,752 80,451 0.02% Shares
STATE OF WISCONSIN INVESTMENT BOARD $164,816 78,112 0.02% Shares
ProShare Advisors LLC $164,394 77,912 0.02% Shares
Shay Capital LLC $158,250 75,000 0.02% Shares
SANDERS MORRIS HARRIS LLC $149,810 71,000 0.02% Shares
WOLVERINE TRADING, LLC $147,962 88,600 0.02% Call option
VICTORY CAPITAL MANAGEMENT INC $139,121 65,934 0.01% Shares
Assenagon Asset Management S.A. $137,867 65,340 0.01% Shares
Vanguard Personalized Indexing Management, LLC $136,070 64,488 0.01% Shares
SFMG, LLC $133,943 63,480 0.01% Shares
CAPTRUST FINANCIAL ADVISORS $133,322 63,186 0.01% Shares
FRANKLIN RESOURCES INC $123,344 58,457 0.01% Shares
XPONANCE LLC $119,548 56,658 0.01% Shares
PRELUDE CAPITAL MANAGEMENT, LLC $117,884 55,869 0.01% Shares
Arax Advisory Partners $116,128 55,037 0.01% Shares
Ameritas Investment Partners, Inc. $113,944 54,002 0.01% Shares
Ellevest, Inc. $113,786 53,927 0.01% Shares
Sequoia Financial Advisors, LLC $113,564 53,821 0.01% Shares
Orion Portfolio Solutions, LLC $110,860 48,623 0.01% Shares
Oak Thistle LLC $108,043 51,205 0.01% Shares
State of Wyoming $107,059 50,739 0.01% Shares
RAYMOND JAMES FINANCIAL INC $106,055 50,263 0.01% Shares
Tower Research Capital LLC (TRC) $105,283 49,897 0.01% Shares
Quantbot Technologies LP $104,745 49,642 0.01% Shares
Equitable Holdings, Inc. $104,679 49,611 0.01% Shares
DGS Capital Management, LLC $99,004 35,613 0.01% Shares
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO $95,051 45,048 0.01% Shares
Aigen Investment Management, LP $94,446 44,761 0.01% Shares
R Squared Ltd $89,513 42,423 0.01% Shares
Caption Management, LLC $84,400 40,000 0.01% Shares
ROYAL BANK OF CANADA $83,000 39,603 0.01% Shares
Ballentine Partners, LLC $82,642 39,167 0.01% Shares
Swiss Life Asset Management Ltd $82,064 38,893 0.01% Shares
Graham Capital Management, L.P. $80,670 38,232 0.01% Shares
CIBC Bancorp USA Inc. $78,469 37,189 0.01% Shares
NEUBERGER BERMAN GROUP LLC $77,043 36,513 0.01% Shares
BRIGHTON JONES LLC $73,604 34,883 0.01% Shares
SMITH, MOORE & CO. $71,921 34,086 0.01% Shares
J.W. COLE ADVISORS, INC. $68,786 32,600 0.01% Shares
Focus Partners Wealth $67,217 31,857 0.01% Shares
Old Port Advisors $62,675 29,704 0.01% Shares
Corient Private Wealth LP $60,861 28,844 0.01% Shares
GTS SECURITIES LLC $60,312 28,584 0.01% Shares
Arrowpoint Investment Partners (Singapore) Pte. Ltd. $59,932 28,404 0.01% Shares
US BANCORP \DE\ $54,455 25,808 0.01% Shares
SIGNATUREFD, LLC $54,318 25,743 0.01% Shares
Parallel Advisors, LLC $53,894 25,542 0.01% Shares
Westhampton Capital, LLC $52,750 25,000 0.01% Shares
BNP PARIBAS ASSET MANAGEMENT Holding S.A. $50,288 23,833 0.01% Shares
Caprock Group, LLC $47,722 22,617 0.01% Shares
SmartHarvest Portfolios, LLC $46,492 22,034 0.00% Shares
Merit Financial Group, LLC $45,890 21,749 0.00% Shares
Foundry Partners, LLC $43,776 19,200 0.00% Shares
Lexington Hill Partners, LLC $42,200 20,000 0.00% Shares
Schonfeld Strategic Advisors LLC $40,698 19,289 0.00% Shares
VICTORY FINANCIAL GROUP, LLC $40,081 18,996 0.00% Shares
Allworth Financial LP $36,529 17,312 0.00% Shares
Waverly Advisors, LLC $36,324 17,215 0.00% Shares
Walleye Trading LLC $34,756 16,472 0.00% Shares
Marex Group Ltd $34,425 16,315 0.00% Shares
HB Wealth Management, LLC $33,655 15,950 0.00% Shares
Moloney Securities Asset Management, LLC $33,200 20,000 0.00% Shares
MAI Capital Management $32,969 15,625 0.00% Shares
McAdam, LLC $32,929 15,606 0.00% Shares
CIBC Asset Management Inc $32,207 15,264 0.00% Shares
J. Safra Sarasin Holding AG $31,659 15,000 0.00% Shares
Parcion Private Wealth LLC $30,880 14,635 0.00% Shares
PRINCIPAL FINANCIAL GROUP INC $30,318 14,369 0.00% Shares
Cubist Systematic Strategies, LLC $29,880 18,000 0.00% Put option
Vise Technologies, Inc. $29,213 13,845 0.00% Shares
Walleye Trading LLC $28,485 13,500 0.00% Call option
CIBC WORLD MARKETS CORP $28,484 31,391 0.00% Shares
Cetera Investment Advisers $28,175 13,353 0.00% Shares
Caerus Investment Advisors, LLC $27,582 13,072 0.00% Shares
Sanctuary Advisors, LLC $27,365 12,969 0.00% Shares
Parkside Financial Bank & Trust $27,212 12,896 0.00% Shares
Proficio Capital Partners LLC $27,084 12,836 0.00% Shares
NorthCrest Asset Manangement, LLC $26,470 12,142 0.00% Shares
Walleye Trading LLC $25,953 12,300 0.00% Put option
PROFUND ADVISORS LLC $25,746 12,202 0.00% Shares
Pallas Capital Advisors LLC $25,335 12,007 0.00% Shares
Robertson Stephens Wealth Management, LLC $25,320 12,000 0.00% Shares
Verum Partners LLC $25,151 11,920 0.00% Shares
Sterling Capital Management LLC $24,164 11,452 0.00% Shares
Mraz, Amerine & Associates, Inc. $23,632 11,200 0.00% Shares
PANAGORA ASSET MANAGEMENT INC $23,581 11,176 0.00% Shares
EVOLVE PRIVATE WEALTH, LLC $22,497 10,662 0.00% Shares
Krilogy Financial LLC $22,429 10,630 0.00% Shares
QTR Family Wealth, LLC $21,746 10,306 0.00% Shares
MARSHALL WACE, LLP $21,674 10,272 0.00% Shares
Walleye Capital LLC $21,100 10,000 0.00% Call option
IronBridge Private Wealth, LLC $21,100 10,000 0.00% Shares
NISA INVESTMENT ADVISORS, LLC $20,923 9,916 0.00% Shares
Farther Finance Advisors, LLC $19,966 9,465 0.00% Shares
Rockefeller Capital Management L.P. $19,466 9,225 0.00% Shares
OSAIC HOLDINGS, INC. $18,943 8,978 0.00% Shares
SBI Securities Co., Ltd. $14,920 7,071 0.00% Shares
EverSource Wealth Advisors, LLC $11,791 5,588 0.00% Shares
VSM Wealth Advisory, LLC $10,550 5,000 0.00% Shares
Geneos Wealth Management Inc. $10,550 5,000 0.00% Shares
Lindbrook Capital, LLC $9,980 4,377 0.00% Shares
GAMMA Investing LLC $9,436 4,472 0.00% Shares
Quarry LP $8,491 4,024 0.00% Shares
Blue Trust, Inc. $8,440 4,000 0.00% Shares
Essential Partners LLC $7,315 3,467 0.00% Shares
Kilter Group LLC $6,577 3,117 0.00% Shares
Anchor Investment Management, LLC $6,330 3,000 0.00% Shares
IFP Advisors, Inc $6,125 2,903 0.00% Shares
JONES FINANCIAL COMPANIES LLLP $4,946 2,269 0.00% Shares
MassMutual Private Wealth & Trust, FSB $4,923 2,333 0.00% Shares
Mitsubishi UFJ Asset Management Co., Ltd. $4,526 2,145 0.00% Shares
ROTHSCHILD INVESTMENT LLC $4,155 1,969 0.00% Shares
Global Retirement Partners, LLC $2,551 1,209 0.00% Shares
Bare Financial Services, Inc $2,429 1,151 0.00% Shares
Clearstead Advisors, LLC $2,423 1,148 0.00% Shares
CoreCap Advisors, LLC $2,110 1,000 0.00% Shares
SJS Investment Consulting Inc. $2,083 987 0.00% Shares
SG Americas Securities, LLC $1,807 856,411 0.00% Shares
Optiver Holding B.V. $1,428 677 0.00% Shares
HARBOR CAPITAL ADVISORS, INC. $1,413 669,796 0.00% Shares
HUNTINGTON NATIONAL BANK $1,403 665 0.00% Shares
Fortitude Family Office, LLC $1,169 554 0.00% Shares
CIBC Private Wealth Group LLC $1,155 696 0.00% Shares
PRICE T ROWE ASSOCIATES INC /MD/ $1,032 488,839 0.00% Shares
True Wealth Design, LLC $920 436 0.00% Shares
DV Trading LLC $846 401 0.00% Shares
NewEdge Advisors, LLC $844 400 0.00% Shares
COMERICA BANK $599 661 0.00% Shares
Wealth Enhancement Trust Services, Inc. $534 253 0.00% Shares
FIFTH THIRD BANCORP $430 204 0.00% Shares
Strategic Wealth Partners, Ltd. $428 203 0.00% Shares
FSA Wealth Management LLC $382 230 0.00% Shares
Thrivent Financial for Lutherans $369 174,947 0.00% Shares
Bruce G. Allen Investments, LLC $295 140 0.00% Shares
GSA CAPITAL PARTNERS LLP $291 137,862 0.00% Shares
Archer Investment Corp $211 100 0.00% Shares
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO $138 65,370 0.00% Shares
CANADA LIFE ASSURANCE Co $134 64,103 0.00% Shares
JPL Wealth Management, LLC $119 56 0.00% Shares
Elequin Capital, LP $118 56 0.00% Shares
Fruth Investment Management $83 30,000 0.00% Shares
Virtu Financial LLC $59 28,185 0.00% Shares
Key Financial Inc $57 27 0.00% Shares
AMALGAMATED BANK $34 16,144 0.00% Shares
KBC Group NV $33 15,653 0.00% Shares
Steward Partners Investment Advisory, LLC $30 14 0.00% Shares
IFG Advisory, LLC $27 13 0.00% Shares
Guerra Advisors Inc $2 1 0.00% Shares
Covestor Ltd $0 185 0.00% Shares
HANTZ FINANCIAL SERVICES, INC. $0 6 0.00% Shares