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SIMPLEX TRADING, LLC

Position in WMS — Advanced Drainage Systems, Inc.

CIK 1488542 CHICAGO, IL

Position in WMS

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$514,671
+$206,763 QoQ
Shares Held
3,279
+54.2% QoQ
Ownership
0.004%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#330
of 542 holders
Holding Since
Mar 2020
15 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

SIMPLEX TRADING, LLC holds $7,218,682 across 17 Building Products & Equipment names. WMS ranks #3 (7.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
3 WMS
Advanced Drainage Systems, Inc.
This page
3,279 $514,671

All Filings in WMS

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15 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $514,671 3,279
2025-12-31 $307,908 2,126
2025-09-30 $64,079 462
2025-06-30 $88,901 774
2025-03-31 $350,830 3,229
2024-03-31 $1,498,660 8,701
2023-12-31 $733,859 5,218
2023-09-30 $134,774 1,184
2022-03-31 $24,118 203
2021-09-30 $176,749 1,634
2021-06-30 $190,475 1,634
2021-03-31 $222,495 2,152
2020-12-31 $710,179 8,497
2020-09-30 $99,092 1,587
2020-03-31 $31,589 1,073