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Bamco Inc

SEC CIK
0001017918
Latest filing
Aug 14, 2026

WMS holding history

Advanced Drainage Systems, Inc. in every 13F filed by Bamco Inc, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

WMS overviewAll 13F holders of WMSFull Q2 2026 holdings

Shares (Q2 2026)
680,431
Value
$106.8M
% of portfolio
0.2%
Quarters held
6
Since Q1 2025
Holdings of WMS by Bamco Inc, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026680,431$106.8M0.2%+389,279+133.7%AddedHolders
Q1 2026291,152$39.9M0.1%−3,526−1.2%ReducedHolders
Q4 2025294,678$42.7M0.1%00.0%UnchangedHolders
Q3 2025294,678$40.9M0.1%+750.0%AddedHolders
Q2 2025294,603$33.8M0.1%−13,252−4.3%ReducedHolders
Q1 2025307,855$33.4M0.1%+307,855NewHolders