ESSEX INVESTMENT MANAGEMENT CO LLC
Position in WMS — Advanced Drainage Systems, Inc.
CIK 201772
BOSTON, MA
Position in WMS
as of Mar 31, 2026
· filed May 11, 2026
Position Value
$5,563,226
-$640,567 QoQ
Shares Held
40,569
-5.3% QoQ
Ownership
0.053%
of shares outstanding
% of Portfolio
0.89%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2024
7 quarters on record
Voting authority
Sole 98%
Shared 0%
None 2%
Common Shares in WMS Over Time
Shares Held
Position Value (USD)
Position in Building Products & Equipment
Industrials · as of Mar 31, 2026ESSEX INVESTMENT MANAGEMENT CO LLC holds $16,051,825 across 8 Building Products & Equipment names. WMS ranks #1 (34.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | WMS |
Advanced Drainage Systems, Inc.
This page
|
40,569 | $5,563,226 | |
| 2 | GFF |
Griffon Corp
|
47,076 | $3,421,483 | |
| 3 | ARLO |
Arlo Technologies, Inc.
|
192,504 | $2,739,331 | |
| 4 | INVE |
Identiv, Inc.
|
736,608 | $2,725,449 | |
| 5 | CARR |
CARRIER GLOBAL Corp
|
20,458 | $1,151,989 | |
| 6 | PPIH |
Perma-Pipe International Holdings, Inc.
|
9,526 | $283,970 | |
| 7 | APT |
Alpha Pro Tech Ltd
|
34,375 | $152,625 | |
| 8 | TT |
Trane Technologies plc
|
33 | $13,752 |
All Filings in WMS
Export CSV
7 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $5,563,226 | 40,569 | Shares | Sole | 2026-05-11 | |
| 2025-12-31 | $6,203,793 | 42,835 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $5,949,952 | 42,898 | Shares | Sole | 2025-11-06 | |
| 2025-06-30 | $1,105,412 | 9,624 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $1,519,578 | 13,986 | Shares | Sole | 2025-05-07 | |
| 2024-12-31 | $1,466,270 | 12,684 | Shares | Sole | 2025-02-07 | |
| 2024-09-30 | $1,536,239 | 9,775 | Shares | Sole | 2024-10-10 | |
| No filing history on record for this holder in this stock. | ||||||