MWH — Institutional owners (13F)

174 filers · $4.3B 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
AMERICAN SECURITIES LLC $2,823,439,654 82,920,401 65.06% Shares
BlackRock, Inc. $94,419,526 2,772,967 2.18% Shares
Robeco Schweiz AG $89,939,841 2,641,405 2.07% Shares
Driehaus Capital Management LLC $80,972,739 2,378,054 1.87% Shares
FRED ALGER MANAGEMENT, LLC $77,391,258 2,272,871 1.78% Shares
VANGUARD CAPITAL MANAGEMENT LLC $55,079,212 1,617,598 1.27% Shares
VANGUARD PORTFOLIO MANAGEMENT LLC $51,767,475 1,520,337 1.19% Shares
Balyasny Asset Management L.P. $50,124,256 1,472,078 1.16% Shares
JENNISON ASSOCIATES LLC $39,796,186 1,168,757 0.92% Shares
TWO SIGMA INVESTMENTS, LP $35,266,334 1,035,722 0.81% Shares
BNP PARIBAS ASSET MANAGEMENT Holding S.A. $33,925,854 996,354 0.78% Shares
JPMORGAN CHASE & CO $32,709,427 923,813 0.75% Shares
Aventail Capital Group, LP $29,077,338 853,960 0.67% Shares
SCOPUS ASSET MANAGEMENT, L.P. $27,274,425 801,011 0.63% Shares
UBS Group AG $26,135,078 767,550 0.60% Shares
Yaupon Capital Management LP $25,537,500 750,000 0.59% Shares
Electron Capital Partners, LLC $25,516,594 749,386 0.59% Shares
GEODE CAPITAL MANAGEMENT, LLC $25,106,563 737,119 0.58% Shares
FRANKLIN RESOURCES INC $24,357,427 715,343 0.56% Shares
MILLENNIUM MANAGEMENT LLC $23,682,694 695,527 0.55% Shares
Point72 Asset Management, L.P. $20,105,708 590,476 0.46% Shares
DEUTSCHE BANK AG\ $19,653,082 577,183 0.45% Shares
TimesSquare Capital Management, LLC $19,640,070 654,015 0.45% Shares
FEDERATED HERMES, INC. $19,561,725 574,500 0.45% Shares
BANK OF AMERICA CORP /DE/ $19,281,629 566,274 0.44% Shares
RENAISSANCE TECHNOLOGIES LLC $19,091,835 560,700 0.44% Shares
Walleye Capital LLC $18,844,360 553,432 0.43% Shares
NEUMEIER POMA INVESTMENT COUNSEL LLC $18,320,262 538,040 0.42% Shares
FMR LLC $17,999,681 528,625 0.41% Shares
CUSHING ASSET MANAGEMENT, LP dba NXG INVESTMENT MANAGEMENT $17,706,000 520,000 0.41% Shares
LMR Partners LLP $17,569,494 515,991 0.40% Shares
BNP PARIBAS FINANCIAL MARKETS $17,091,738 501,960 0.39% Shares
Ghisallo Capital Management LLC $17,025,000 500,000 0.39% Shares
Pictet Asset Management Holding SA $16,932,486 497,283 0.39% Shares
Hood River Capital Management LLC $15,906,662 467,156 0.37% Shares
SOROS FUND MANAGEMENT LLC $14,868,409 436,664 0.34% Shares
STATE STREET CORP $14,773,444 433,875 0.34% Shares
BW Gestao de Investimentos Ltda. $14,273,794 419,201 0.33% Shares
GOLDMAN SACHS GROUP INC $14,119,412 414,667 0.33% Shares
DISCOVERY CAPITAL MANAGEMENT, LLC / CT $14,018,385 411,700 0.32% Shares
Burkehill Global Management, LP $13,620,000 400,000 0.31% Shares
SEVEN GRAND MANAGERS, LLC $13,620,000 400,000 0.31% Shares
Covalis Capital LLP $13,620,000 400,000 0.31% Shares
LOS ANGELES CAPITAL MANAGEMENT LLC $12,782,677 375,409 0.29% Shares
Cinctive Capital Management LP $12,554,133 368,697 0.29% Shares
Alyeska Investment Group, L.P. $11,462,967 336,651 0.26% Shares
BROWN ADVISORY INC $10,119,524 297,196 0.23% Shares
Ninety One UK Ltd $9,980,770 293,121 0.23% Shares
RAYMOND JAMES FINANCIAL INC $9,911,921 291,099 0.23% Shares
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND $9,704,250 285,000 0.22% Shares
Invesco Ltd. $9,291,395 272,875 0.21% Shares
Hill City Capital, LP $8,512,500 250,000 0.20% Shares
D. E. Shaw & Co., Inc. $8,291,345 243,505 0.19% Shares
VANGUARD FIDUCIARY TRUST CO $7,878,251 231,373 0.18% Shares
CHARLES SCHWAB INVESTMENT MANAGEMENT INC $7,591,652 222,956 0.17% Shares
Wealth High Governance Capital Ltda $7,520,011 220,852 0.17% Shares
ExodusPoint Capital Management, LP $7,273,659 213,617 0.17% Shares
CITADEL ADVISORS LLC $6,967,005 204,611 0.16% Shares
Centiva Capital, LP $6,656,877 195,503 0.15% Shares
Universal- Beteiligungs- und Servicegesellschaft mbH $6,557,520 192,585 0.15% Shares
CenterBook Partners LP $6,428,300 188,790 0.15% Shares
Longaeva Partners L.P. $5,665,580 166,390 0.13% Shares
NORTHERN TRUST CORP $5,607,865 164,695 0.13% Shares
SEI INVESTMENTS CO $4,956,488 145,565 0.11% Shares
WELLINGTON MANAGEMENT GROUP LLP $4,852,227 142,503 0.11% Shares
NORGES BANK $4,424,014 129,927 0.10% Shares
MARSHALL WACE, LLP $4,107,723 120,638 0.09% Shares
XTX Topco Ltd $4,069,111 119,504 0.09% Shares
Squarepoint Ops LLC $4,036,798 118,555 0.09% Shares
TUDOR INVESTMENT CORP ET AL $3,875,707 113,824 0.09% Shares
AMERIPRISE FINANCIAL INC $3,734,670 109,682 0.09% Shares
Bank of New York Mellon Corp $3,359,374 98,660 0.08% Shares
SCHRODER INVESTMENT MANAGEMENT GROUP $3,356,023 94,937 0.08% Shares
Zurcher Kantonalbank (Zurich Cantonalbank) $3,060,618 89,886 0.07% Shares
Hel Ved Capital Management Ltd $2,962,350 87,000 0.07% Shares
Bridgewater Associates, LP $2,896,293 85,060 0.07% Shares
Asset Management One Co., Ltd. $2,810,478 93,589 0.06% Shares
Diameter Capital Partners LP $2,724,000 80,000 0.06% Shares
MYDA Advisors LLC $2,724,000 80,000 0.06% Shares
REAVES W H & CO INC $2,553,750 75,000 0.06% Shares
Vennlight Capital Management, LP $2,395,145 70,342 0.06% Shares
Ninety One North America, Inc. $2,315,231 67,995 0.05% Shares
Potrero Capital Research LLC $2,245,291 65,941 0.05% Shares
NEUBERGER BERMAN GROUP LLC $2,160,575 63,453 0.05% Shares
ALPS ADVISORS INC $2,066,835 60,700 0.05% Shares
Qube Research & Technologies Ltd $1,861,650 54,674 0.04% Shares
BENJAMIN EDWARDS INC $1,798,379 52,816 0.04% Shares
ENVESTNET ASSET MANAGEMENT INC $1,687,927 49,572 0.04% Shares
Swiss National Bank $1,617,375 47,500 0.04% Shares
Nuveen, LLC $1,591,905 46,752 0.04% Shares
Defiance ETFs, LLC $1,410,236 44,741 0.03% Shares
MORGAN STANLEY $1,265,366 37,162 0.03% Shares
RHUMBLINE ADVISERS $1,174,601 34,497 0.03% Shares
Freestone Grove Partners LP $1,081,837 31,772 0.02% Shares
ESSEX INVESTMENT MANAGEMENT CO LLC $1,036,346 30,436 0.02% Shares
READYSTATE ASSET MANAGEMENT LP $1,021,500 30,000 0.02% Shares
Man Group plc $991,332 29,114 0.02% Shares
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM $909,918 26,723 0.02% Shares
J. Goldman & Co LP $893,744 26,248 0.02% Shares
Lloyd Harbor Capital Management, LLC $851,250 25,000 0.02% Shares
Vestmark Advisory Solutions, Inc. $819,549 24,069 0.02% Shares
FLPUTNAM INVESTMENT MANAGEMENT CO $810,765 23,811 0.02% Shares
West Tower Group, LLC $783,150 23,000 0.02% Shares
WORLD EQUITY GROUP, INC. $738,888 21,700 0.02% Shares
ELEMENT CAPITAL MANAGEMENT LLC $732,381 21,509 0.02% Shares
SIR Capital Management, L.P. $730,373 21,450 0.02% Shares
WELLS FARGO & COMPANY/MN $703,575 20,663 0.02% Shares
Jefferies Financial Group Inc. $681,000 20,000 0.02% Shares
Atom Investors LP $638,199 18,743 0.01% Shares
Renaissance Capital LLC $631,662 18,551 0.01% Shares
NEW YORK STATE COMMON RETIREMENT FUND $626,520 18,400 0.01% Shares
Police & Firemen's Retirement System of New Jersey $599,110 17,595 0.01% Shares
OPPENHEIMER ASSET MANAGEMENT INC. $570,133 16,744 0.01% Shares
VANGUARD ASSET MANAGEMENT, Ltd $560,361 16,457 0.01% Shares
ALLIANCEBERNSTEIN L.P. $553,040 16,242 0.01% Shares
Legal & General Group Plc $540,273 15,867 0.01% Shares
Maven Securities LTD $534,960 15,711 0.01% Shares
Jump Financial, LLC $509,967 14,977 0.01% Shares
Vanguard Global Advisers, LLC $462,331 13,578 0.01% Shares
Voleon Capital Management LP $449,085 13,189 0.01% Shares
ALGERT GLOBAL LLC $419,496 12,320 0.01% Shares
U S GLOBAL INVESTORS INC $408,600 12,000 0.01% Shares
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO $375,367 11,024 0.01% Shares
Quadrature Capital Ltd $346,084 10,164 0.01% Shares
Polymer Capital Management (US) LLC $340,500 10,000 0.01% Shares
Shay Capital LLC $340,500 10,000 0.01% Shares
Cetera Investment Advisers $334,814 9,833 0.01% Shares
BARCLAYS PLC $260,789 7,659 0.01% Shares
CLEAR WAVE WEALTH MANAGEMENT LLC $243,117 7,140 0.01% Shares
LPL Financial LLC $238,248 6,997 0.01% Shares
BOOTHBAY FUND MANAGEMENT, LLC $230,927 6,782 0.01% Shares
ARIZONA STATE RETIREMENT SYSTEM $222,381 6,531 0.01% Shares
XPONANCE LLC $213,051 6,257 0.00% Shares
MANUFACTURERS LIFE INSURANCE COMPANY, THE $211,723 6,218 0.00% Shares
OSAIC HOLDINGS, INC. $211,346 6,207 0.00% Shares
Massar Capital Management, LP $203,381 5,973 0.00% Shares
TRUIST FINANCIAL CORP $201,610 5,921 0.00% Shares
Vanguard Investments Australia, Ltd. $184,517 5,419 0.00% Shares
KLP KAPITALFORVALTNING AS $183,870 5,400 0.00% Shares
Continuum Advisory, LLC $142,397 4,182 0.00% Shares
State of Wyoming $114,272 3,356 0.00% Shares
Russell Investments Group, Ltd. $104,295 3,063 0.00% Shares
CITIGROUP INC $91,833 2,697 0.00% Shares
MetLife Investment Management, LLC $73,173 2,149 0.00% Shares
Tower Research Capital LLC (TRC) $68,100 2,000 0.00% Shares
Concord Wealth Partners $50,624 1,487 0.00% Shares
JONES FINANCIAL COMPANIES LLLP $46,950 1,310 0.00% Shares
ROYAL BANK OF CANADA $41,000 1,210 0.00% Shares
Arax Advisory Partners $34,050 1,000 0.00% Shares
Handelsbanken Fonder AB $33,016 1,099,439 0.00% Shares
STRS OHIO $32,586 957 0.00% Shares
PNC Financial Services Group, Inc. $29,760 874 0.00% Shares
Rockefeller Capital Management L.P. $28,772 845 0.00% Shares
Caitong International Asset Management Co., Ltd $24,414 717 0.00% Shares
US BANCORP \DE\ $21,247 624 0.00% Shares
FIFTH THIRD BANCORP $18,060 530 0.00% Shares
VSM Wealth Advisory, LLC $13,620 400 0.00% Shares
HHM Wealth Advisors, LLC $11,237 330 0.00% Shares
COHEN & STEERS, INC. $9,228 271,018 0.00% Shares
Sterling Capital Management LLC $8,683 255 0.00% Shares
SJS Investment Consulting Inc. $8,513 250 0.00% Shares
NISA INVESTMENT ADVISORS, LLC $6,538 192 0.00% Shares
Quarry LP $4,461 131 0.00% Shares
Elequin Capital, LP $3,167 93 0.00% Shares
Versant Capital Management, Inc $3,027 126 0.00% Shares
GAMMA Investing LLC $987 29 0.00% Shares
SBI Securities Co., Ltd. $919 27 0.00% Shares
PRICE T ROWE ASSOCIATES INC /MD/ $650 19,065 0.00% Shares
Vestcor Inc $616 18,100 0.00% Shares
Treasurer of the State of North Carolina $561 16,470 0.00% Shares
Brooklyn FI, LLC $464 16 0.00% Shares
PRAXIS INVESTMENT MANAGEMENT INC $324 9,522 0.00% Shares
Global Retirement Partners, LLC $238 7 0.00% Shares
SG Americas Securities, LLC $144 4,222 0.00% Shares