WMSAdvanced Drainage Systems, Inc.

$141.46

Who owns WMS

559 institutions reported holding WMS for 2026Q1, together 95% of the company, more than the 530 a quarter earlier.

559

Institutions reporting a position · as of 2026Q1 · up from 530 the quarter before

Shares held by institutions
69.0M

Shares held by institutions · 95% of the company · long US equity positions only, as reported on Form 13F

Reported value
$9.46B

Reported value · at 2026-03-31 prices, not today's

Top 5 holders
31%

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

Details
Reporting quarter2026-03-31
2026Q1
Quarters on record
47
New positions
90
Positions exited
65
Added to
198
Reduced
155
Top 10 holdersof the company
43%
Institutional ownership by quarter, 2014Q3 to 2026Q1
QuarterFilersSharesReported value
2026Q155969.0M$9.46B
2025Q453071.1M$10.3B
2025Q348872.5M$10.1B
2025Q247272.3M$8.30B
2025Q145368.7M$7.47B
2024Q445767.1M$7.76B
2024Q348065.6M$10.3B
2024Q249363.8M$10.2B
2024Q148663.1M$10.8B
2023Q442164.4M$9.05B
2023Q340766.0M$7.51B
2023Q237669.0M$7.78B
2023Q134567.9M$5.72B
2022Q436366.3M$5.44B
2022Q337866.8M$8.31B
2022Q232765.8M$5.92B
Largest reported holders, 2026Q1
HolderShares% of companyValue
VANGUARD GROUP INC7.6M10%$1.04B
BlackRock Inc.7.4M10%$1.02B
STATE STREET CORP2.5M3.4%$341M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC2.5M3.4%$336M
Pictet Asset Management Holding SA2.2M3.0%$302M
BAILLIE GIFFORD & CO2.0M2.8%$281M
FIRST TRUST ADVISORS LP2.0M2.8%$280M
PAX WORLD MANAGEMENT LLC1.9M2.7%$264M
AMERICAN CENTURY COMPANIES INC1.7M2.3%$227M
GEODE CAPITAL MANAGEMENT LLC1.3M1.9%$184M

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.

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