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Disclosery

MWH SOLV ENERGY INC

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Class A Common Stock (common), issuer CIK 2065636

172 managers (178 13F filers) reported a position in MWH shares at 2026-06-30, 129,839,720 shares in all. 87 filers opened a position and 23 filers sold out during the quarter.

Managers
172
13F filers
178
New
87
Added
62
Reduced
24
Sold out
23
Shares held by filers
129,839,720

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q2 2026

Filers in the available 13F reports with a share position at 2026-06-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
AMERICAN SECURITIES LLC82,920,401$2.82B75.21%-8,853,17013F-HRTimeline
VANGUARD GROUP INCgroup of 6 filers holding3,404,762$116M+1,465,308Timeline
BlackRock, Inc.in group BlackRock, Inc.2,772,967$94.4M<0.01%+2,126,02413F-HRTimelineGroup
Robeco Schweiz AGin group Robeco Institutional Asset Ma…2,641,405$89.9M1.44%+1,636,50113F-HRTimelineGroup
Driehaus Capital Management LLC2,378,054$81M0.47%+1,107,54813F-HRTimeline
FRED ALGER MANAGEMENT, LLCin group FRED ALGER MANAGEMENT, LLC2,272,871$77.4M0.26%new13F-HRTimelineGroup
Balyasny Asset Management L.P.in group Balyasny Asset Management1,472,078$50.1M0.09%+874,92713F-HRTimelineGroup
Handelsbanken Fonder AB1,299,329$44.2M0.13%+199,89013F-HRTimeline
JENNISON ASSOCIATES LLC1,168,757$39.8M0.02%+303,93413F-HRTimeline
TWO SIGMA INVESTMENTS, LPin group TWO SIGMA INVESTMENTS, LP1,035,722$35.3M0.03%+780,77813F-HRTimelineGroup
BNP PARIBAS ASSET MANAGEMENT Holding S.…in group BNP PARIBAS ASSET MANAGEMENT …996,354$33.9M0.03%+616,38013F-HRTimelineGroup
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO923,813$32.7M<0.01%new13F-HRTimelineGroup
Aventail Capital Group, LP853,960$29.1M1.67%+360,98013F-HRTimeline
SCOPUS ASSET MANAGEMENT, L.P.801,011$27.3M0.64%+261,96613F-HRTimeline
UBS Group AGgroup of 2 filers holding773,978$26.4M+489,121Timeline
Yaupon Capital Management LP750,000$25.5M0.85%+25,00013F-HRTimeline
Electron Capital Partners, LLCin group Electron Capital Partners, LLC749,386$25.5M1.02%+28,08813F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC737,119$25.1M<0.01%+412,48613F-HRTimelineGroup
FRANKLIN RESOURCES INCin group Franklin Resources715,343$24.4M0.01%+133,83013F-HRTimelineGroup
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC695,527$23.7M0.02%-392,75613F-HRTimelineGroup
TimesSquare Capital Management, LLC654,248$22.3M0.33%+23313F-HRTimeline
Point72 Asset Management, L.P.in group Point72 Asset Management, L.P.590,476$20.1M0.03%-1,385,71513F-HRTimelineGroup
Wealth High Governance Asset Management…579,148$19.7M2.1%new13F-HRTimeline
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\577,183$19.7M0.01%-179,20713F-HRTimelineGroup
FEDERATED HERMES, INC.in group FEDERATED HERMES, INC.574,500$19.6M0.03%+156,20013F-HRTimelineGroup
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/566,274$19.3M<0.01%+534,59113F-HRTimelineGroup
RENAISSANCE TECHNOLOGIES LLC560,700$19.1M0.03%new13F-HRTimeline
Walleye Capital LLCin group Walleye Capital LLC553,432$18.8M0.09%+545,58813F-HRTimelineGroup
NEUMEIER POMA INVESTMENT COUNSEL LLC538,040$18.3M1.25%new13F-HRTimeline
FMR LLCin group FMR LLC528,625$18M<0.01%new13F-HRTimelineGroup
CUSHING ASSET MANAGEMENT, LP dba NXG IN…520,000$17.7M0.79%+320,00013F-HRTimeline
LMR Partners LLPin group LMR Partners LLP515,991$17.6M0.13%+325,74913F-HRTimelineGroup
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS501,960$17.1M0.01%new13F-HRTimelineGroup
Ghisallo Capital Management LLC500,000$17M0.33%+300,00013F-HRTimeline
Pictet Asset Management Holding SAin group Pictet Asset Management Holdi…497,283$16.9M0.02%-75,14313F-HRTimelineGroup
Hood River Capital Management LLC467,156$15.9M0.12%+154,90113F-HRTimeline
SOROS FUND MANAGEMENT LLCin group SOROS FUND MANAGEMENT LLC436,664$14.9M0.2%+296,16413F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP433,875$14.8M<0.01%+337,57513F-HRTimelineGroup
BW Gestao de Investimentos Ltda.419,201$14.3M0.34%+369,20113F-HRTimeline
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC414,667$14.1M<0.01%-247,78413F-HRTimelineGroup
DISCOVERY CAPITAL MANAGEMENT, LLC / CT411,700$14M0.58%new13F-HRTimeline
Covalis Capital LLPin group Covalis Capital LLP400,000$13.6M0.77%-297,11013F-HRTimelineGroup
Burkehill Global Management, LP400,000$13.6M0.49%+260,00013F-HRTimeline
SEVEN GRAND MANAGERS, LLC400,000$13.6M0.55%+250,00013F-HRTimeline
LOS ANGELES CAPITAL MANAGEMENT LLC375,409$12.8M0.05%new13F-HRTimeline
Cinctive Capital Management LP368,697$12.6M0.5%+165,65813F-HRTimeline
Alyeska Investment Group, L.P.in group Alyeska Investment Group, L.P.336,651$11.5M0.03%+216,65113F-HRTimelineGroup
BROWN ADVISORY INCin group BROWN ADVISORY INC297,196$10.1M0.02%new13F-HRTimelineGroup
Ninety One UK Ltd293,121$9.98M0.02%new13F-HRTimeline
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC291,099$9.91M<0.01%new13F-HRTimelineGroup
HEALTHCARE OF ONTARIO PENSION PLAN TRUS…285,000$9.7M0.01%+185,00013F-HRTimeline
Invesco Ltd.in group Invesco Ltd.272,875$9.29M<0.01%+46,46513F-HRTimelineGroup
COHEN & STEERS, INC.in group COHEN & STEERS, INC.271,018$9.23M0.01%new13F-HRTimelineGroup
Hill City Capital, LP250,000$8.51M0.2%013F-HR/ATimeline
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.243,505$8.29M0.01%+150,99113F-HRTimelineGroup
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co222,956$7.59M<0.01%+96,80713F-HRTimelineGroup
Wealth High Governance Capital Ltda220,852$7.52M2.25%new13F-HRTimeline
ExodusPoint Capital Management, LP213,617$7.27M0.07%-199,46913F-HRTimeline
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC204,611$6.97M<0.01%-310,07613F-HRTimelineGroup
Centiva Capital, LP195,503$6.66M0.22%new13F-HRTimeline
Universal- Beteiligungs- und Serviceges…in group Universal- Beteiligungs- und …192,585$6.56M0.01%+46,97413F-HRTimelineGroup
CenterBook Partners LP188,790$6.43M0.32%new13F-HRTimeline
Longaeva Partners L.P.166,390$5.67M0.16%+143,07313F-HRTimeline
NORTHERN TRUST CORPin group NORTHERN TRUST CORP164,695$5.61M<0.01%+119,99413F-HRTimelineGroup
Asset Management One Co., Ltd.151,416$5.16M0.01%+57,82713F-HRTimeline
SEI INVESTMENTS COin group SEI INVESTMENTS CO145,565$4.96M<0.01%+63,86413F-HRTimelineGroup
WELLINGTON MANAGEMENT GROUP LLPin group WELLINGTON MANAGEMENT GROUP L…142,503$4.85M<0.01%new13F-HRTimelineGroup
NORGES BANK129,927$4.42M<0.01%new13F-HRTimeline
MARSHALL WACE, LLPin group MARSHALL WACE, LLP120,638$4.11M<0.01%-228,45913F-HRTimelineGroup
XTX Topco Ltdin group XTX Topco Ltd119,504$4.07M0.05%new13F-HRTimelineGroup
Squarepoint Ops LLCin group Squarepoint Ops LLC118,555$4.04M0.01%+111,29613F-HRTimelineGroup
TUDOR INVESTMENT CORP ET AL113,824$3.88M0.02%+25,98113F-HRTimeline
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC109,682$3.73M<0.01%+72,66013F-HRTimelineGroup
Bank of New York Mellon Corpin group Bank of New York Mellon Corp98,660$3.36M<0.01%+86,29013F-HRTimelineGroup
SCHRODER INVESTMENT MANAGEMENT GROUP94,937$3.36M<0.01%new13F-HRTimeline
Zurcher Kantonalbank (Zurich Cantonalba…89,886$3.06M0.01%new13F-HRTimeline
Hel Ved Capital Management Ltd87,000$2.96M0.42%new13F-HRTimeline
Bridgewater Associates, LP85,060$2.9M0.01%-16,98513F-HRTimeline
MYDA Advisors LLC80,000$2.72M0.66%new13F-HRTimeline
Diameter Capital Partners LP80,000$2.72M0.29%new13F-HR/ATimeline
REAVES W H & CO INC75,000$2.55M0.04%-325,00013F-HRTimeline
Vennlight Capital Management, LP70,342$2.4M1.61%-202,47613F-HRTimeline
Ninety One North America, Inc.67,995$2.32M0.11%new13F-HRTimeline
Potrero Capital Research LLC65,941$2.25M1.38%new13F-HRTimeline
NEUBERGER BERMAN GROUP LLCin group NEUBERGER BERMAN GROUP LLC63,453$2.16M<0.01%+45,49813F-HRTimelineGroup
ALPS ADVISORS INC60,700$2.07M0.01%new13F-HRTimeline
Qube Research & Technologies Ltd54,674$1.86M<0.01%-2,55213F-HRTimeline
BENJAMIN EDWARDS INCin group BENJAMIN EDWARDS INC52,816$1.8M0.02%-21,56713F-HRTimelineGroup
ENVESTNET ASSET MANAGEMENT INCin group ENVESTNET ASSET MANAGEMENT INC49,572$1.69M<0.01%new13F-HRTimelineGroup
Tidal Investments LLCin group Tidal Investments LLC49,206$1.68M<0.01%new13F-HRTimelineGroup
Swiss National Bank47,500$1.62M<0.01%new13F-HRTimeline
Nuveen, LLCin group TIAA46,752$1.59M<0.01%new13F-HRTimelineGroup
Defiance ETFs, LLC44,741$1.41M0.02%new13F-HRTimeline
MORGAN STANLEYin group MORGAN STANLEY37,162$1.27M<0.01%-6,87613F-HRTimelineGroup
RHUMBLINE ADVISERS34,497$1.17M<0.01%new13F-HRTimeline
Freestone Grove Partners LP31,772$1.08M0.01%new13F-HRTimeline
ESSEX INVESTMENT MANAGEMENT CO LLC30,436$1.04M0.14%+12,62813F-HRTimeline
READYSTATE ASSET MANAGEMENT LP30,000$1.02M0.04%+10,00013F-HRTimeline
Man Group plcin group Man Group plc29,114$991K<0.01%new13F-HRTimelineGroup
CALIFORNIA STATE TEACHERS RETIREMENT SY…26,723$910K<0.01%new13F-HR/ATimeline
J. Goldman & Co LP26,248$894K0.03%new13F-HRTimeline
Lloyd Harbor Capital Management, LLC25,000$851K0.99%new13F-HRTimeline
Vestmark Advisory Solutions, Inc.24,069$820K0.01%new13F-HRTimeline
FLPUTNAM INVESTMENT MANAGEMENT CO23,811$811K0.01%new13F-HRTimeline
West Tower Group, LLC23,000$783K2.2%+14,00013F-HRTimeline
WORLD EQUITY GROUP, INC.21,700$739K0.17%new13F-HRTimeline
ELEMENT CAPITAL MANAGEMENT LLC21,509$732K0.04%-11,05213F-HRTimeline
SIR Capital Management, L.P.21,450$730K0.08%-14,15013F-HRTimeline
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN20,663$704K<0.01%+18,76313F-HRTimelineGroup
Jefferies Financial Group Inc.in group Jefferies Financial Group Inc.20,000$681K0.01%new13F-HRTimelineGroup
PRICE T ROWE ASSOCIATES INC /MD/19,065$650K<0.01%new13F-HRTimeline
Atom Investors LP18,743$638K0.06%-65,03713F-HRTimeline
Renaissance Capital LLC18,551$632K0.35%+8,49013F-HRTimeline
NEW YORK STATE COMMON RETIREMENT FUND18,400$627K<0.01%-3613F-HRTimeline
Vestcor Inc18,100$616K0.02%new13F-HRTimeline
Police & Firemen's Retirement System of…17,595$599K<0.01%new13F-HRTimeline
OPPENHEIMER ASSET MANAGEMENT INC.in group OPPENHEIMER ASSET MANAGEMENT …16,744$570K0.01%new13F-HRTimelineGroup
Treasurer of the State of North Carolina16,470$561K<0.01%new13F-HRTimeline
ALLIANCEBERNSTEIN L.P.16,242$553K<0.01%new13F-HRTimeline
Legal & General Group Plcin group Legal & General Group Plc15,867$540K<0.01%+10,86713F-HRTimelineGroup
Maven Securities LTDin group Maven Securities LTD15,711$535K0.04%new13F-HRTimelineGroup
Jump Financial, LLCin group Jump Financial, LLC14,977$510K<0.01%new13F-HRTimelineGroup
Voleon Capital Management LP13,189$449K0.01%new13F-HRTimeline
ALGERT GLOBAL LLC12,320$419K<0.01%new13F-HRTimeline
U S GLOBAL INVESTORS INC12,000$409K0.04%013F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF O…11,024$375K<0.01%new13F-HRTimeline
Quadrature Capital Ltdin group Quadrature Capital Ltd10,164$346K<0.01%new13F-HRTimelineGroup
Shay Capital LLC10,000$340K0.04%-15,10013F-HRTimeline
Polymer Capital Management (US) LLC10,000$340K0.05%-9,00013F-HRTimeline
Cetera Investment Advisers9,833$335K<0.01%new13F-HRTimeline
Jupiter Topco LLCin group Janus Henderson9,600$327K<0.01%13F-HRTimelineGroup
PRAXIS INVESTMENT MANAGEMENT INC9,522$324K0.02%-6,27413F-HRTimeline
BARCLAYS PLCin group BARCLAYS PLC7,659$261K<0.01%+7,02213F-HRTimelineGroup
CLEAR WAVE WEALTH MANAGEMENT LLC7,140$243K0.05%new13F-HRTimeline
LPL Financial LLC6,997$238K<0.01%new13F-HRTimeline
BOOTHBAY FUND MANAGEMENT, LLC6,782$231K<0.01%new13F-HRTimeline
ARIZONA STATE RETIREMENT SYSTEM6,531$222K<0.01%new13F-HRTimeline
XPONANCE LLC6,257$213K<0.01%new13F-HRTimeline
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …6,218$212K<0.01%new13F-HRTimelineGroup
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.6,207$211K<0.01%+5,88213F-HRTimelineGroup
Massar Capital Management, LP5,973$203K0.07%new13F-HRTimeline
TRUIST FINANCIAL CORPin group TRUIST FINANCIAL CORP5,921$202K<0.01%new13F-HRTimelineGroup
KLP KAPITALFORVALTNING AS5,400$184K<0.01%new13F-HRTimeline
SG Americas Securities, LLC4,222$144K<0.01%new13F-HRTimeline
Continuum Advisory, LLC4,182$142K0.01%new13F-HRTimeline
State of Wyoming3,356$114K0.01%new13F-HRTimeline
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…3,063$104K<0.01%new13F-HRTimelineGroup
CITIGROUP INCin group CITIGROUP INC2,697$91.8K<0.01%new13F-HRTimelineGroup
MetLife Investment Management, LLCin group MetLife Investment Management…2,149$73.2K<0.01%new13F-HRTimelineGroup
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…2,000$68.1K<0.01%+40813F-HRTimelineGroup
Concord Wealth Partnersin group Concord Wealth Partners1,487$50.6K0.01%new13F-HRTimelineGroup
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP1,310$47K<0.01%+89713F-HRTimelineGroup
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA1,210$41K<0.01%+1,14513F-HRTimelineGroup
Arax Advisory Partners1,000$34K<0.01%new13F-HRTimeline
STRS OHIO957$32.6K<0.01%new13F-HRTimeline
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…874$29.8K<0.01%new13F-HRTimelineGroup
Rockefeller Capital Management L.P.in group Rockefeller Capital Managemen…845$28.8K<0.01%new13F-HRTimelineGroup
Caitong International Asset Management …717$24.4K<0.01%-1713F-HRTimeline
US BANCORP \DE\in group US BANCORP \DE\624$21.2K<0.01%new13F-HRTimelineGroup
FIFTH THIRD BANCORPin group FIFTH THIRD BANK, NATIONAL AS…530$18.1K<0.01%+4013F-HRTimelineGroup
VSM Wealth Advisory, LLC400$13.6K<0.01%new13F-HRTimeline
HHM Wealth Advisors, LLC330$11.2K<0.01%013F-HRTimeline
Sterling Capital Management LLC255$8.68K<0.01%new13F-HRTimeline
SJS Investment Consulting Inc.250$8.51K<0.01%new13F-HRTimeline
NISA INVESTMENT ADVISORS, LLC192$6.54K<0.01%new13F-HRTimeline
Quarry LP131$4.46K<0.01%new13F-HRTimeline
Elequin Capital, LP93$3.17K<0.01%new13F-HRTimeline
Integrated Wealth Concepts LLC32$1.09K<0.01%new13F-HRTimeline
GAMMA Investing LLC29$987<0.01%+1813F-HRTimeline
SBI Securities Co., Ltd.27$919<0.01%+713F-HRTimeline
Brooklyn FI, LLC16$464<0.01%new13F-HRTimeline
Global Retirement Partners, LLC7$238<0.01%13F-HRTimeline