SOLV Energy, Inc. (MWH)
Every FINRA and SEC series the site collects for SOLV Energy, Inc.: short interest with days to cover, daily short sale volume, fails to deliver and Form 4 insider trades. Listed on Nasdaq.
6.2M
Short interest
settlement 2026-08-31
3.3
Days to cover
+8.8% vs prior
52.4%
Short share of volume
2026-09-17
939
Fails to deliver
settlement 2026-08-20
Thu 18 Mar
Next earnings
estimated; last year 2026-03-19
$0
Insider flow, 90 days
0 buys, 0 sells
As of 2026-09-17.
Short interest
FINRA, twice a month; the last 12 months shown, all 14 settlements in the JSONAs of 31 August 2026, short interest in MWH is 6,226,233 shares, down 1,753,859 shares over the last month. Over the last 14 readings it ranged from 727,555 shares (13 March 2026) to 7,980,092 shares (31 July 2026). At the reported average volume of 1.9M shares a day that is 3.3 days to cover.
Embed this chartkeeps the attribution line it carries
<iframe src="https://xoomar.com/embed/stocks/mwh" width="100%" height="440" style="border:0;max-width:100%" loading="lazy" title="XOOMAR chart"></iframe>
| Settlement | Shares short | Change | Avg daily volume | Days to cover |
|---|---|---|---|---|
| 2026-08-31 | 6,226,233 | +8.8% | 1,865,529 | 3.34 |
| 2026-08-14 | 5,720,774 | -28.3% | 1,599,841 | 3.58 |
| 2026-07-31 | 7,980,092 | +68.9% | 2,451,812 | 3.25 |
| 2026-07-15 | 4,723,626 | +32.4% | 2,069,045 | 2.28 |
| 2026-06-30 | 3,567,821 | +24.5% | 2,176,424 | 1.64 |
| 2026-06-15 | 2,865,900 | +40.5% | 2,002,692 | 1.43 |
| 2026-05-29 | 2,040,575 | +35.4% | 2,395,485 | 1.00 |
| 2026-05-15 | 1,506,780 | +56.4% | 1,140,340 | 1.32 |
| 2026-04-30 | 963,723 | -9.9% | 754,182 | 1.28 |
| 2026-04-15 | 1,069,124 | -43.5% | 801,331 | 1.33 |
| 2026-03-31 | 1,892,688 | +160.1% | 948,791 | 1.99 |
| 2026-03-13 | 727,555 | -22.8% | 755,362 | 1.00 |
| 2026-02-27 | 942,786 | +15.1% | 1,002,102 | 1.00 |
| 2026-02-13 | 819,448 | +100.0% | 1,334,833 | 1.00 |
Daily short volume
FINRA Reg SHO, last 60 sessions. JSONAs of 17 September 2026, the short share of MWH volume is 52.4%, up 24.0 points over the last five sessions. Over the last 52 readings it ranged from 15.0% (1 September 2026) to 84.4% (21 July 2026). The latest reading is 8.1 points above the 30-session average of 44.3%, on 240K shares reported.
| Date | Short volume | Total volume | Short share | Exempt |
|---|---|---|---|---|
| 2026-09-17 | 126K | 240K | 52.4% | 2,017 |
| 2026-09-16 | 445K | 666K | 66.8% | 0 |
| 2026-09-15 | 467K | 954K | 48.9% | 700 |
| 2026-09-14 | 306K | 529K | 57.9% | 0 |
| 2026-09-11 | 282K | 1.7M | 17.0% | 700 |
| 2026-09-10 | 95K | 336K | 28.4% | 0 |
| 2026-09-09 | 95K | 420K | 22.6% | 120 |
| 2026-09-08 | 120K | 619K | 19.3% | 4,410 |
| 2026-09-04 | 141K | 277K | 50.7% | 0 |
| 2026-09-03 | 168K | 437K | 38.3% | 0 |
| 2026-09-02 | 209K | 734K | 28.4% | 13 |
| 2026-09-01 | 182K | 1.2M | 15.0% | 45 |
| 2026-08-31 | 133K | 596K | 22.3% | 0 |
| 2026-08-28 | 173K | 523K | 33.1% | 0 |
| 2026-08-27 | 162K | 433K | 37.4% | 0 |
| 2026-08-26 | 213K | 345K | 61.7% | 600 |
| 2026-08-25 | 236K | 435K | 54.2% | 1,576 |
| 2026-08-24 | 475K | 809K | 58.8% | 0 |
| 2026-08-21 | 538K | 1.3M | 39.9% | 4,360 |
| 2026-08-20 | 1.3M | 3.2M | 42.3% | 29 |
| 2026-08-19 | 234K | 738K | 31.8% | 209 |
| 2026-08-18 | 333K | 649K | 51.3% | 0 |
| 2026-08-17 | 632K | 1.0M | 60.4% | 0 |
| 2026-08-14 | 367K | 745K | 49.2% | 39 |
| 2026-08-13 | 652K | 1.6M | 42.0% | 0 |
| 2026-08-12 | 510K | 711K | 71.7% | 0 |
| 2026-08-11 | 473K | 709K | 66.7% | 0 |
| 2026-08-10 | 264K | 387K | 68.3% | 105 |
| 2026-08-07 | 197K | 468K | 42.1% | 2,592 |
| 2026-08-06 | 152K | 302K | 50.3% | 300 |
Fails to deliver
SEC, by settlement date. JSONAs of 20 August 2026, the fails-to-deliver balance in MWH is 939 shares, down 166,311 shares over the last settlement date. Over the last 31 readings it ranged from 17 shares (23 April 2026) to 172,818 shares (29 May 2026). The latest reading sits at the bottom of that range.
| Settlement | Shares failed | Price | Value |
|---|---|---|---|
| 2026-08-20 | 939 | $29.97 | $28K |
| 2026-08-18 | 167,250 | $31.55 | $5.3M |
| 2026-08-17 | 1,372 | $32.00 | $44K |
| 2026-08-12 | 458 | $30.28 | $14K |
| 2026-08-11 | 91,041 | $28.68 | $2.6M |
| 2026-08-04 | 2,082 | $29.11 | $61K |
| 2026-08-03 | 285 | $28.43 | $8K |
| 2026-07-20 | 703 | $28.41 | $20K |
| 2026-07-14 | 31 | $27.32 | $847 |
| 2026-07-02 | 1,350 | $31.52 | $43K |
| 2026-06-29 | 659 | $35.84 | $24K |
| 2026-06-23 | 2,695 | $34.46 | $93K |
| 2026-06-18 | 18 | $34.69 | $624 |
| 2026-06-15 | 106 | $31.75 | $3K |
| 2026-06-01 | 10,000 | $35.53 | $355K |
| 2026-05-29 | 172,818 | $36.71 | $6.3M |
| 2026-05-26 | 817 | $38.44 | $31K |
| 2026-05-20 | 50 | $37.56 | $2K |
| 2026-05-19 | 7,129 | $40.42 | $288K |
| 2026-04-23 | 17 | $36.68 | $624 |
| 2026-04-20 | 19 | $34.47 | $655 |
| 2026-04-09 | 251 | $28.94 | $7K |
| 2026-04-01 | 536 | $30.03 | $16K |
| 2026-03-31 | 18 | $28.51 | $513 |
| 2026-03-26 | 767 | $29.48 | $23K |
| 2026-03-23 | 269 | $27.78 | $7K |
| 2026-03-12 | 37,796 | $28.88 | $1.1M |
| 2026-03-11 | 39,591 | $28.15 | $1.1M |
| 2026-02-20 | 4,388 | $30.50 | $134K |
| 2026-02-17 | 4,793 | $32.34 | $155K |
Insider trades
SEC Form 4, newest first. JSONNo open-market insider trades were reported for MWH in the last 90 days. The most recent filings are listed below; grants and option exercises carry a weaker signal than voluntary trades. Latest filing: ASP Endeavor Investco LP (TenPercentOwner) on 2026-06-04.
| Date | Insider | Title | Type | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|---|
| 2026-06-04 | ASP Endeavor Investco LP | TenPercentOwner | Sell | 1.2M | n/a | n/a | 82.9M |
| 2026-06-04 | AMERICAN SECURITIES LLC | TenPercentOwner | Sell | 1.2M | n/a | n/a | 82.9M |
| 2026-06-01 | AMERICAN SECURITIES LLC | TenPercentOwner | Sell | 7.7M | n/a | n/a | 84.1M |
| 2026-06-01 | AMERICAN SECURITIES LLC | TenPercentOwner | Sell | 7.7M | n/a | n/a | 84.1M |
Form 4 filings are due within two business days of the trade. Insiders sell for many reasons that say nothing about the company; open-market buys are the rarer, stronger signal.
Planned sales (Form 144)
Newest first. JSON4 Form 144 notices on file for MWH worth $257.4M at the prices reported; 4 in the last 90 days worth $257.4M. Latest: SOLV Energy Management Holdings LP filed on 2026-08-19 to sell 1,329,803 shares ($36.9M) from 2026-08-19.
| Filed | Seller | Shares | Market value | Of outstanding | Sale from | Broker |
|---|---|---|---|---|---|---|
| 2026-08-19 | SOLV Energy Management Holdings LP10% Stockholder | 1.3M | $36.9M | 1.015% | 2026-08-19 | Citadel Securities, LLC |
| 2026-08-19 | ASP VIII Alternative Investments Solstice, L.P.10% Stockholder | 4.9M | $134.9M | 3.708% | 2026-08-19 | Citadel Securities, LLC |
| 2026-08-19 | ASP SOLV Aggregator LP10% Stockholder | 2.3M | $63.4M | 1.741% | 2026-08-19 | Citadel Securities, LLC |
| 2026-08-19 | ASP Endeavor Investco LP10% Stockholder | 798K | $22.2M | 0.609% | 2026-08-19 | Citadel Securities, LLC |
Large holders (13D and 13G)
One row per reporting person, newest filing first. JSON12 holders above 5% have filed on MWH, all on Schedule 13G (passive). The largest reported stake is American Securities LLC at 79.4% of the class (157,821,741 shares), filed 2026-08-11 for an event on 2026-06-30.
| Filed | Form | Holder | Shares | Of class | Event |
|---|---|---|---|---|---|
| 2026-08-11 | 13G/Ano. 1 | American Securities LLCother entity | 157.8M | 79.4% | 2026-06-30 |
| 2026-08-11 | 13G/Ano. 1 | ASP Manager Corp.corporation | 157.8M | 79.4% | 2026-06-30 |
| 2026-08-11 | 13G/Ano. 1 | ASP VIII SOLV Holdings LPpartnership | 82.7M | 66.9% | 2026-06-30 |
| 2026-08-11 | 13G/Ano. 1 | ASP VIII CSE Holdings LPpartnership | 82.7M | 66.9% | 2026-06-30 |
| 2026-08-11 | 13G/Ano. 1 | ASP VIII Alternative Investments Solstice, L.P.partnership | 82.7M | 66.9% | 2026-06-30 |
| 2026-08-11 | 13G/Ano. 1 | American Securities Associates VIII, LLCother entity | 52.4M | 29.8% | 2026-06-30 |
| 2026-08-11 | 13G/Ano. 1 | American Securities Partners VIII(B), L.P.partnership | 52.4M | 29.8% | 2026-06-30 |
| 2026-08-11 | 13G/Ano. 1 | ASP VIII Alternative Investments L.P.partnership | 52.4M | 29.8% | 2026-06-30 |
| 2026-08-11 | 13G/Ano. 1 | AS/ASP VIII Co-Investor LLCother entity | 52.4M | 29.8% | 2026-06-30 |
| 2026-08-11 | 13G/Ano. 1 | ASP SOLV Aggregator LPpartnership | 38.8M | 23.9% | 2026-06-30 |
| 2026-08-11 | 13G/Ano. 1 | SOLV Energy Management Holdings LPpartnership | 22.6M | 15.5% | 2026-06-30 |
| 2026-08-11 | 13G/Ano. 1 | ASP Endeavor Investco LPpartnership | 13.6M | 9.9% | 2026-06-30 |
| 2026-05-07 | 13G | American Securities LLCother entity | 174.8M | 88.1% | 2026-03-31 |
| 2026-05-07 | 13G | ASP Manager Corp.corporation | 174.8M | 88.1% | 2026-03-31 |
| 2026-05-07 | 13G | ASP VIII Alternative Investments Solstice, L.P.partnership | 91.6M | 79.4% | 2026-03-31 |
| 2026-05-07 | 13G | ASP VIII SOLV Holdings LPpartnership | 91.6M | 79.4% | 2026-03-31 |
| 2026-05-07 | 13G | ASP VIII CSE Holdings LPpartnership | 91.6M | 79.4% | 2026-03-31 |
| 2026-05-07 | 13G | American Securities Partners VIII(B), L.P.partnership | 58.0M | 33.5% | 2026-03-31 |
| 2026-05-07 | 13G | American Securities Associates VIII, LLCother entity | 58.0M | 33.5% | 2026-03-31 |
| 2026-05-07 | 13G | ASP VIII Alternative Investments L.P.partnership | 58.0M | 33.5% | 2026-03-31 |
| 2026-05-07 | 13G | AS/ASP VIII Co-Investor LLCother entity | 58.0M | 33.5% | 2026-03-31 |
| 2026-05-07 | 13G | ASP SOLV Aggregator LPpartnership | 43.0M | 27.2% | 2026-03-31 |
| 2026-05-07 | 13G | SOLV Energy Management Holdings LPpartnership | 25.2M | 17.9% | 2026-03-31 |
| 2026-05-07 | 13G | ASP Endeavor Investco LPpartnership | 15.0M | 11.5% | 2026-03-31 |
13F holders
Tracked managers holding MWH at their latest 13F. JSON8 of the 30 tracked managers held MWH at their latest 13F, $131.2M in total at quarter-end prices. Two Sigma Investments is the largest at $35.3M (0.0% of its portfolio) as of 2026-06-30. Over the prior quarter 3 added shares and 4 cut.
| Fund | Quarter | Shares | Value | Of portfolio | Change in shares |
|---|---|---|---|---|---|
| Two Sigma Investments | 2026-06-30 | 1.0M | $35.3M | 0.03% | +781K |
| Millennium Management | 2026-06-30 | 696K | $23.7M | 0.01% | -393K |
| Point72 Asset Management | 2026-06-30 | 590K | $20.1M | 0.02% | -1.4M |
| Renaissance Technologies | 2026-06-30 | 561K | $19.1M | 0.03% | new or n/a |
| Soros Fund Management | 2026-06-30 | 437K | $14.9M | 0.18% | +296K |
| D. E. Shaw & Co. | 2026-06-30 | 244K | $8.3M | 0.00% | +151K |
| Citadel Advisors | 2026-06-30 | 205K | $7.0M | 0.00% | -310K |
| Bridgewater Associates | 2026-06-30 | 85K | $2.9M | 0.01% | -17K |
Only the 30 tracked managers on the funds hub; a 13F reports long positions in US listed stock at quarter end, 45 days late, and says nothing about shorts or positions sold since.
What this page is
SOLV Energy, Inc. in the regulatory record
Regulators publish company data in separate files that never sit next to each other: FINRA's twice-monthly short interest, its daily short sale volume, the SEC's fails-to-deliver counts, and each insider's Form 4. A company page pulls every series the site collects for one ticker onto one URL, keyed by the SEC's own ticker list, so the short position, the daily flow, the settlement fails and what insiders are doing can be read together.
Each section has its own history table, a summary sentence built from the rows (last value, change, range with dates) and its own JSON and CSV links. Nothing on the page is written by a model; the sentences change only when the data does. A page exists only for companies with data in at least two series, and every section says when its source last updated.
This page follows SOLV Energy, Inc. (MWH), SEC CIK 2065636, listed on Nasdaq. The cross-market tables live on the short interest and insider transactions hubs.
Source and method
- Short interest
- FINRA consolidated short interestTwice a month, about eight business days after settlement. Latest 2026-08-31.JSON and CSV
- Daily short volume
- FINRA Reg SHO daily filesEvery trading day, loaded the following morning. Latest 2026-09-17.JSON and CSV
- Fails to deliver
- SEC fails-to-deliver dataTwice a month, a few weeks after the half month ends. Latest 2026-08-20.JSON and CSV
- Planned sales
- SEC EDGAR Form 144EDGAR read every 30 minutes; a notice is filed on or before the sell order. Latest 2026-08-19.JSON and CSV
- Large holders
- SEC EDGAR Schedule 13D and 13GEDGAR read every 30 minutes; 13D within five business days of crossing 5%, 13G on the passive schedule. Latest 2026-08-11.JSON and CSV
- 13F holders
- SEC EDGAR Form 13F-HRQuarterly, filed within 45 days of quarter end; 30 tracked managers. Latest 2026-06-30.JSON and CSV
- Earnings dates
- SEC EDGAR 8-K Item 2.02 (full-text search)EDGAR full-text search read twice a day; the estimate is last year's date plus 52 weeks. Latest 2026-08-13.JSON and CSV
- Insider trades
- SEC EDGAR Form 4EDGAR read every 30 minutes; filings are due two business days after the trade. Latest 2026-06-04.JSON and CSV
- Company record
- EDGAR filing index for CIK 2065636Ticker, name and exchange from the SEC's company list, refreshed weekly.
- Rate limits
- 30 requests a minute without a key, 120 a minute with a key from a free account.
Data checks. Every dataset is checked against its source once a day. This dataset passed the last run, 18 Sep 05:40 UTC.
How to read it
- Read the position against the flow: rising short interest with a high daily short share is new shorting; rising short interest with a normal short share is old shorts holding on.
- Insider buys next to a crowded short are the combination that has historically preceded squeezes; insider sells next to a crowded short are common and mean little.
- Fails to deliver matter relative to the float, not in absolute shares; a million failed shares in a mega cap is noise.
Analysis of what the data shows, not advice. XOOMAR does not recommend buying, selling or holding anything.
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Datasets
Frequently Asked Questions
How much of MWH is sold short?
What is MWH's daily short volume?
Does MWH have fails to deliver?
Are MWH insiders buying or selling?
Have MWH insiders filed to sell?
Who owns more than 5% of MWH?
Which funds hold MWH?
Data on this page is provided for informational purposes only and is not financial advice. See our editorial policy.