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ISTHMUS PARTNERS, LLC

Position in WMS — Advanced Drainage Systems, Inc.

CIK 1639666 MADISON, WI

Position in WMS

as of Jun 30, 2026 · filed Jul 20, 2026
Position Value
$470,880
+$142,043 QoQ
Shares Held
3,000
+25.1% QoQ
Ownership
0.004%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
#336
of 543 holders
Holding Since
Dec 2023
10 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in WMS Over Time

Shares Held

Position Value (USD)

Position in Building Products & Equipment

Industrials · as of Jun 30, 2026

ISTHMUS PARTNERS, LLC holds $28,916,000 across 7 Building Products & Equipment names. WMS ranks #5 (1.6% of the industry book) .

# Ticker Company Shares Value (USD) Open
5 WMS
Advanced Drainage Systems, Inc.
This page
3,000 $470,880

All Filings in WMS

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10 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $470,880 3,000
2026-03-31 $328,837 2,398
2025-12-31 $410,158 2,832
2025-06-30 $330,222 2,875
2025-03-31 $312,368 2,875
2024-12-31 $315,010 2,725
2024-09-30 $404,215 2,572
2024-06-30 $357,669 2,230
2024-03-31 $367,732 2,135
2023-12-31 $300,266 2,135