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Ownership

Who owns SOLV Energy, Inc., from the filings themselves: stakes over 5% (Schedule 13D/G), the institutional managers reporting the stock each quarter (13F), and the funds holding it (N-PORT).

Stakes over 5%

Investors crossing 5% ownership must disclose it. Schedule 13G filers certify the stake is passive; Schedule 13D is the general form for everyone else — founders, strategic holders, and activists alike. Each entry is the holder's most recent disclosure. Coverage begins with SEC's structured filings from December 18, 2024; a holder appears once they file or amend after that date.

ASP Endeavor Investco LP, ASP SOLV Aggregator LP, ASP VIII Alternative Investments Solstice, L.P. August 11, 2026

ASP Endeavor Investco LP: 9.9% · 13,594,499 shares — ASP SOLV Aggregator LP: 23.9% · 38,845,106 shares — ASP VIII Alternative Investments Solstice, L.P.: 66.9% · 82,739,695 shares

Super investors holding MWH

Every institutional manager whose latest 13F reports this stock, largest position first. "% of their portfolio" is the weight inside that manager's own book — how much conviction the position represents; "% of company" is how much of SOLV Energy, Inc. they hold. Together these 200 managers report 112.85% of shares outstanding.

Investor Position value Shares % of their portfolio % of company As of
AMERICAN SECURITIES LLC $2.82B 82,920,401 75.21% 70.22% June 30, 2026
BlackRock, Inc. $94.4M 2,772,967 0.00% 2.35% June 30, 2026

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Funds holding MWH

Funds disclosing this stock in their monthly N-PORT portfolio, with the position's share of the fund's net assets. Together these 90 funds hold 9.08% of shares outstanding — counted inside the manager totals above, not on top of them, since a fund's shares also appear in its manager's 13F.

Fund Position value % of net assets % of company As of
VANGUARD TOTAL STOCK MARKET INDEX FUND $39.9M 0.00% 0.99% June 30, 2026
VANGUARD SMALL-CAP INDEX FUND $28.7M 0.02% 0.71% June 30, 2026

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