MWH · Insider trading · 13F holders · Congress trades
SOLV Energy, Inc. (MWH)
Who is buying and selling MWH: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 25
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $0
- Congress trades, 12 months
- 0
MWH at a glance
- Between Aug 1, 2026 and Oct 29, 2026, 2 MWH insiders filed 3 sales worth $0.00 on SEC Form 4, and no open-market purchases.
- 25 13F filers hold MWH among their 50 largest positions, worth $307.5M combined, including Ran Zhou. The biggest bets by portfolio weight are West Tower Group, LLC (2.5%), Wealth High Governance Capital Ltda (2.2%) and Wealth High Governance Asset Management Ltda. (2.1%). In their latest 13Fs, 6 managers opened a new position and 2 added to one.
- No member of Congress has disclosed a trade in MWH.
- MWH last closed at $24.27 on Oct 29, 2026.
MWH insider trading
Between Aug 1, 2026 and Oct 29, 2026, 2 MWH insiders filed 3 sales worth $0.00 on SEC Form 4, and no open-market purchases.
| Filed | Insider | Role | Trade | Shares | Price | Value | Form 4 |
|---|---|---|---|---|---|---|---|
| Aug 21, 2026 | SOLV Energy Management Holdings LP | 10% Owner | Sale | 1,329,803 | $0.00 | $0.00 | SEC |
| Aug 21, 2026 | American Securities LLC | 10% Owner | Sale | 7,939,153 | $0.00 | $0.00 | SEC |
| Aug 21, 2026 | American Securities LLC | 10% Owner | Sale | 7,939,153 | $0.00 | $0.00 | SEC |
Who owns MWH? Hedge funds and superinvestors
25 13F filers hold MWH among their 50 largest positions, worth $307.5M combined, including Ran Zhou. The biggest bets by portfolio weight are West Tower Group, LLC (2.5%), Wealth High Governance Capital Ltda (2.2%) and Wealth High Governance Asset Management Ltda. (2.1%). In their latest 13Fs, 6 managers opened a new position and 2 added to one.
Superinvestors holding MWH: Ran Zhou 1.0%
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Robeco Schweiz AGInvestment manager | 1.1% | $61.0M | 2,538,139 | -3.9% shares | Q3 2026 |
| Aventail Capital Group, LPHedge fund | 1.7% | $29.1M | 853,960 | +73.2% shares | Q2 2026 |
| Yaupon Capital Management LPHedge fund | 0.9% | $25.5M | 750,000 | +3.4% shares | Q2 2026 |
| Ran ZhouHedge fund | 1.0% | $25.5M | 749,386 | +3.9% shares | Q2 2026 |
| Wealth High Governance Asset Management Ltda.Wealth manager | 2.1% | $19.7M | 579,148 | — | Q2 2026 |
| Neumeier Poma Investment Counsel LLCInstitutional asset manager | 1.3% | $18.3M | 538,040 | New | Q2 2026 |
| Ghisallo Capital Management LLCHedge fund | 0.4% | $17.0M | 500,000 | — | Q2 2026 |
| BW Gestao de Investimentos Ltda.Investment manager | 0.3% | $14.3M | 419,201 | — | Q2 2026 |
| Discovery Capital Management, LLC / CtHedge fund | 0.6% | $14.0M | 411,700 | — | Q2 2026 |
| Covalis Capital LLPHedge fund | 0.8% | $13.6M | 400,000 | -42.6% shares | Q2 2026 |
| Seven Grand Managers, LLCHedge fund | 0.5% | $13.6M | 400,000 | — | Q2 2026 |
| Burkehill Global Management, LPHedge fund | 0.5% | $13.6M | 400,000 | — | Q2 2026 |
| CUSHING ASSET MANAGEMENT, LP dba NXG INVESTMENT MANAGEMENTHedge fund | 0.6% | $12.2M | 506,000 | -2.7% shares | Q3 2026 |
| Hill City Capital, LPHedge fund | 0.2% | $8.5M | 250,000 | +0.0% shares | Q2 2026 |
| Wealth High Governance Capital LtdaWealth manager | 2.2% | $7.5M | 220,852 | New | Q2 2026 |
| MYDA Advisors LLCHedge fund | 0.7% | $2.7M | 80,000 | — | Q2 2026 |
| Diameter Capital Partners LPHedge fund | 0.4% | $2.7M | 80,000 | New | Q2 2026 |
| Vennlight Capital Management, LPHedge fund | 1.6% | $2.4M | 70,342 | -74.2% shares | Q2 2026 |
| Potrero Capital Research LLCHedge fund | 1.4% | $2.2M | 65,941 | New | Q2 2026 |
| Green Alpha Advisors, LLCWealth manager | 0.7% | $1.1M | 45,466 | — | Q3 2026 |
| Lloyd Harbor Capital Management, LLCHedge fund | 1.0% | $851K | 25,000 | New | Q2 2026 |
| Element Capital Management LLCHedge fund | 0.0% | $732K | 21,509 | -33.9% shares | Q2 2026 |
| West Tower Group, LLCHedge fund | 2.5% | $673K | 28,000 | +21.7% shares | Q3 2026 |
| Renaissance Capital LLCMutual fund manager | 0.2% | $351K | 14,599 | -21.3% shares | Q3 2026 |
| Trium Capital LLPHedge fund | 0.2% | $182K | 7,570 | New | Q3 2026 |
Each manager counts with its latest 13F (Q3 2026: 6, Q2 2026: 19). Screen MWH in the grand portfolio →
MWH stock trades by members of Congress
No member of Congress has disclosed a trade in MWH.
MWH questions and answers
Are insiders buying MWH stock?
Between Aug 1, 2026 and Oct 29, 2026, 2 MWH insiders filed 3 sales worth $0.00 on SEC Form 4, and no open-market purchases.
Which hedge funds own MWH?
25 13F filers hold MWH among their 50 largest positions, worth $307.5M combined, including Ran Zhou. The biggest bets by portfolio weight are West Tower Group, LLC (2.5%), Wealth High Governance Capital Ltda (2.2%) and Wealth High Governance Asset Management Ltda. (2.1%). In their latest 13Fs, 6 managers opened a new position and 2 added to one.
Has Congress traded MWH?
No member of Congress has disclosed a trade in MWH.
Who is the largest holder of MWH?
Among 13F filers, Robeco Schweiz AG reports the largest MWH position, $61.0M (2,538,139 shares) in its Q3 2026 13F. The biggest bet by portfolio weight is West Tower Group, LLC's: 2.5% of its portfolio.
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