MWHSOLV Energy, Inc.

$26.21

Who owns MWH

177 institutions reported holding MWH for 2026Q2, together 105% of the company, more than the 111 a quarter earlier.

177

Institutions reporting a position · as of 2026Q2 · up from 111 the quarter before

Shares held by institutions
129.6M

Shares held by institutions · 105% of the company · long US equity positions only, as reported on Form 13F

Reported value
$4.41B

Reported value · at Jun 30, 2026 prices, not today's

Top 5 holders
76%

Top 5 holders · of the whole company, between five filers

Details›
Reporting quarter2026-06-30
2026Q2
Quarters on record
2
New positions
86
Positions exited
23
Added to
58
Reduced
23
Top 10 holdersof the company
82%
Shares sold shortsettled Sep 15, 2026
6.0M
Short interestof shares outstanding
4.8%
Days to coverat the average daily volume
3.8
Change in the short positionsince the Aug 31, 2026 count
−4.3%
Largest reported holders, 2026Q2
HolderShares% of companyValue
AMERICAN SECURITIES LLC82.9M67%$2.82B
VANGUARD GROUP INC3.4M2.8%$116M
BlackRock Inc.2.8M2.2%$94M
Robeco Investment Management, Inc.2.6M2.1%$90M
Driehaus Capital Management LLC2.4M1.9%$81M
FRED ALGER MANAGEMENT, LLC2.3M1.8%$77M
Balyasny Asset Management L.P.1.5M1.2%$50M
Handelsbanken Fonder AB1.3M1.1%$44M
JENNISON ASSOCIATES LLC1.2M0.94%$40M
TWO SIGMA INVESTMENTS, LP1.0M0.84%$35M
Short interest by settlement date, Feb 13, 2026 to Sep 15, 2026
SettlementShares shortOf shares outstandingDays to cover
Sep 15, 20266.0M4.8%3.8
Aug 31, 20266.2M5.0%3.3
Aug 14, 20265.7M4.6%3.6
Jul 31, 20268.0M6.4%3.3
Jul 15, 20264.7M3.8%2.3
Jun 30, 20263.6M2.9%1.6
Jun 15, 20262.9M2.3%1.4
May 29, 20262.0M1.6%1.0
May 15, 20261.5M1.2%1.3
Apr 30, 20261.0M0.78%1.3
Apr 15, 20261.1M0.86%1.3
Mar 31, 20261.9M1.5%2.0

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold. The short position is FINRA's consolidated count for each twice-monthly settlement date, as a share of shares outstanding.

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