WMS
ADVANCED DRAINAGE SYSTEMS INData as of 2026 Q1 (03-31) · 13F snapshot
Summary
ADVANCED DRAINAGE SYSTEMS IN (WMS) is held by 6 tracked hedge-fund managers, a combined reported value of ~$118.77M; the largest are Joel Greenblatt, Izzy Englander, Steven Cohen. This quarter: 3 added, 1 trimmed. 5 members of Congress have disclosed STOCK Act trades. Data as of 2026 Q1, from public SEC 13F filings, delayed up to ~45 days.
Attention · MediumThis quarter · Heating up
Gurus holding6
Congress trades5
Price$141.75vs quarter-end+3.37%
Sectors0
This quarter's moves
Top holderJoel GreenblattNew0
Added3
Trimmed / sold1
Value $2.26M— of portfolio16,5002026 Q1
Value $384.0K— of portfolio2,8002026 Q1
| Investor | Value | % of portfolio | Action |
|---|---|---|---|
| Ken GriffinCALL | $2.26M | — | — |
| Ken GriffinPUT | $384.0K | — | — |
Data from public SEC 13F & STOCK Act filings, delayed up to ~45 days, partial holdings only — for research, not investment advice.