SOLV Energy, Inc. (MWH) Ownership
MWH ownership summary
as of October 18, 2026- Institutions
- 108.9% of shares outstanding
- Insiders
- 0.01% of shares outstanding
- Shares outstanding
- 123.7M
- Float
- 45.7M shares available to trade
- Short interest
- 22.92% 7.3M shares short
- Days to cover
- 5.06 short interest up 23.0% vs prior month
- Institutions 108.90%
- Insiders 0.01%
MWH top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | AMERICAN SECURITIES LLC | 40.97% | 82.9M | $1.99B | −8.9M (−9.6%) | June 30, 2026 |
| 2 | BlackRock Inc | 1.37% | 2.8M | $66.4M | +2.1M (+328.6%) | June 30, 2026 |
| 3 | Sam Sustainable Asset Management Ltd | 1.31% | 2.6M | $63.3M | +1.6M (+162.9%) | June 30, 2026 |
| 4 | Driehaus Capital Management LLC | 1.18% | 2.4M | $57.0M | +1.1M (+87.2%) | June 30, 2026 |
| 5 | Fred Alger Management, LLC | 1.12% | 2.3M | $54.5M | +2.3M (0.0%) | June 30, 2026 |
| 6 | Vanguard Capital Management, LLC | 0.80% | 1.6M | $38.8M | +650,258 (+67.2%) | June 30, 2026 |
| 7 | Vanguard Portfolio Management, LLC | 0.75% | 1.5M | $36.4M | +685,454 (+82.1%) | June 30, 2026 |
| 8 | Balyasny Asset Management LLC | 0.73% | 1.5M | $35.3M | +874,927 (+146.5%) | June 30, 2026 |
| 9 | Handelsbanken Fonder AB | 0.64% | 1.3M | $31.1M | +199,890 (+18.2%) | June 30, 2026 |
| 10 | Jennison Associates LLC | 0.58% | 1.2M | $28.0M | +303,934 (+35.1%) | June 30, 2026 |
| 11 | Two Sigma Investments LLC | 0.51% | 1.0M | $24.8M | +780,778 (+306.3%) | June 30, 2026 |
| 12 | BNP Paribas Investment Partners SA | 0.49% | 996K | $23.9M | +616,380 (+162.2%) | June 30, 2026 |
| 13 | JPMorgan Chase & Co | 0.46% | 924K | $22.1M | +923,813 (0.0%) | June 30, 2026 |
| 14 | Aventail Capital Group, LP | 0.42% | 854K | $20.5M | +360,980 (+73.2%) | June 30, 2026 |
| 15 | Scopus Asset Management, LLC | 0.40% | 801K | $19.2M | +261,966 (+48.6%) | June 30, 2026 |
| 16 | UBS Group AG | 0.38% | 768K | $18.4M | +482,693 (+169.5%) | June 30, 2026 |
| 17 | Yaupon Capital Management LP | 0.37% | 750K | $18.0M | +25,000 (+3.4%) | June 30, 2026 |
| 18 | Electron Capital Partners, LLC | 0.37% | 749K | $18.0M | +28,088 (+3.9%) | June 30, 2026 |
| 19 | Geode Capital Management, LLC | 0.36% | 737K | $17.7M | +412,486 (+127.1%) | June 30, 2026 |
| 20 | Franklin Templeton Inc | 0.35% | 715K | $17.1M | +133,830 (+23.0%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 19 holders added 13.9M shares and 1 cut 8.9M.
MWH top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | First Trust RBA Amer Indl RenaisTM ETF | 1.98% | 4.0M | $96.2M | +2,319 (+0.1%) | September 30, 2026 |
| 2 | Robeco Smart Energy F-EUR Cap | 1.17% | 2.4M | $56.9M | — | August 31, 2026 |
| 3 | Global X US Infrastructure Dev ETF | 0.73% | 1.5M | $35.2M | +10,440 (+0.7%) | September 30, 2026 |
| 4 | Handelsbanken Hållbar Energi (A1 SEK) | 0.59% | 1.2M | $28.8M | −30,092 (−2.4%) | September 30, 2026 |
| 5 | Vanguard MStar Total Stk Mkt Idx Invest | 0.58% | 1.2M | $28.1M | — | August 31, 2026 |
| 6 | PGIM Jennison Utility A | 0.47% | 950K | $22.8M | — | August 31, 2026 |
| 7 | Vanguard Small Cap Index | 0.42% | 846K | $20.3M | +2,224 (+0.3%) | August 31, 2026 |
| 8 | Alger Spectra A | 0.39% | 780K | $18.7M | +85,383 (+12.3%) | July 31, 2026 |
| 9 | Franklin Small Cap Growth Adv | 0.30% | 615K | $14.7M | — | August 31, 2026 |
| 10 | Federated Hermes Kaufmann Small Cap A | 0.28% | 574K | $13.8M | +156,200 (+37.3%) | June 30, 2026 |
| 11 | BNP Clean Energy Solutions C D | 0.27% | 548K | $13.1M | −304,628 (−35.7%) | August 31, 2026 |
| 12 | Alger AI Enablers & Adopters ETF | 0.24% | 490K | $11.7M | — | September 30, 2026 |
| 13 | Vanguard MStar Small Cap Growth Indx Inv | 0.24% | 485K | $11.6M | −4,407 (−0.9%) | August 31, 2026 |
| 14 | JPMorgan Small Cap Growth A | 0.20% | 407K | $9.7M | −11,992 (−2.9%) | August 31, 2026 |
| 15 | BBH Select Mid Cap ETF | 0.17% | 349K | $8.4M | +56,546 (+19.4%) | September 30, 2026 |
| 16 | Alger Capital Appreciation Instl I | 0.17% | 336K | $8.1M | −39,564 (−10.5%) | July 31, 2026 |
| 17 | DWS Invest ESG Climate Opps XC | 0.14% | 292K | $7.0M | +50,447 (+20.9%) | August 31, 2026 |
| 18 | Driehaus Small Cap Growth Institutional | 0.13% | 266K | $6.4M | −94,438 (−26.2%) | July 31, 2026 |
| 19 | DWS Small Cap Core S | 0.12% | 245K | $5.9M | — | July 31, 2026 |
| 20 | Alger Capital Appreciation A | 0.12% | 243K | $5.8M | — | July 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
Who owns MWH
Institutional investors own 108.9% of SOLV Energy's shares and insiders 0.01%. The largest holder is AMERICAN SECURITIES LLC with 40.97% of the shares (82.9M), as of June 30, 2026. Among the top 20 institutions, 19 added shares and 1 reduced their stake in the latest filings. Short interest is 22.92% of the float, or 5.06 days of average trading volume. The share count rose 1.5% since 2024.
Related: MWH analyst forecast, MWH key metrics. See the MWH stock overview for the latest quote and news.
MWH ownership FAQ
Who owns the most SOLV Energy stock?
The largest shareholders of SOLV Energy are AMERICAN SECURITIES LLC (40.97%), BlackRock Inc (1.37%), Sam Sustainable Asset Management Ltd (1.31%), Driehaus Capital Management LLC (1.18%), Fred Alger Management, LLC (1.12%).
What percentage of SOLV Energy is owned by institutions?
Institutions hold 108.9% of SOLV Energy's shares outstanding; insiders hold 0.01%.
Which funds own SOLV Energy?
The largest fund holders of SOLV Energy are First Trust RBA Amer Indl RenaisTM ETF (1.98%), Robeco Smart Energy F-EUR Cap (1.17%), Global X US Infrastructure Dev ETF (0.73%), Handelsbanken Hållbar Energi (A1 SEK) (0.59%), Vanguard MStar Total Stk Mkt Idx Invest (0.58%).
What is SOLV Energy's short interest?
7.3M shares of SOLV Energy were sold short, 22.92% of the float; at the average daily volume it would take 5.06 days to cover.
How many shares of SOLV Energy are outstanding?
SOLV Energy has 123.7M shares outstanding, of which 45.7M are in the public float.