111 institutions reported holding MWH for 2026Q1, together 97% of the company. Institutions reporting a position: 111 (as of 2026Q1). Shares held by institutions: 119.5M, long US equity positions only, as reported on Form 13F. Reported value: $3.59B, at 2026-03-31 prices, not today's. Top 5 holders: 79%, of the whole company, between five filers.

MWHSOLV Energy, Inc.

UtilitiesUSD

$28.33

$25.5052 weeks$46.77

Who owns MWH

111 institutions reported holding MWH for 2026Q1, together 97% of the company.

111

Institutions reporting a position · as of 2026Q1

Shares held by institutions: 119.5M
Shares held by institutions · 97% of the company · long US equity positions only, as reported on Form 13F
Reported value: $3.59B
Reported value · at 2026-03-31 prices, not today's
Top 5 holders: 79%
Top 5 holders · of the whole company, between five filers

Details›

Reporting quarter2026-03-31: 2026Q1
Quarters on record: 1
New positions: 109
Positions exited: 0
Added to: 0
Reduced: 0
Top 10 holdersof the company: 83%

Largest reported holders, 2026Q1
Holder	Shares	% of company	Value
AMERICAN SECURITIES LLC	91.8M	74%	$2.76B
Point72 Asset Management, L.P.	2.0M	1.6%	$59M
VANGUARD GROUP INC	1.9M	1.6%	$58M
Driehaus Capital Management LLC	1.3M	1.0%	$38M
Handelsbanken Fonder AB	1.1M	0.89%	$33M
MILLENNIUM MANAGEMENT LLC	1.1M	0.88%	$33M
Robeco Investment Management, Inc.	1.0M	0.81%	$30M
Encompass Capital Advisors LLC	1.0M	0.81%	$30M
JENNISON ASSOCIATES LLC	0.9M	0.70%	$26M
DEUTSCHE BANK AG\	0.8M	0.61%	$23M

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.

reading the register…

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