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Bamco Inc

SEC CIK
0001017918
Latest filing
Aug 14, 2026

WST holding history

West Pharmaceutical Services 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.

WST overviewAll 13F holders of WSTFull Q2 2026 holdings

Shares (Q2 2026)
164,174
Value
$58.9M
% of portfolio
0.1%
Quarters held
22
Since Q1 2021
Holdings of WST by Bamco Inc, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026164,174$58.9M0.1%−35,576−17.8%ReducedHolders
Q1 2026199,750$50.1M0.2%−63,439−24.1%ReducedHolders
Q4 2025263,189$72.4M0.2%−37,742−12.5%ReducedHolders
Q3 2025300,931$78.9M0.2%−6,716−2.2%ReducedHolders
Q2 2025307,647$67.3M0.2%−108,501−26.1%ReducedHolders
Q1 2025416,148$93.2M0.3%−17,973−4.1%ReducedHolders
Q4 2024434,121$142.2M0.4%−49,721−10.3%ReducedHolders
Q3 2024483,842$145.2M0.4%−279,326−36.6%ReducedHolders
Q2 2024763,168$251.4M0.7%−128,777−14.4%ReducedHolders
Q1 2024891,945$353.0M0.9%−105,876−10.6%ReducedHolders
Q4 2023997,821$351.4M0.9%−52,362−5.0%ReducedHolders
Q3 20231,050,183$394.0M1.1%−10,383−1.0%ReducedHolders
Q2 20231,060,566$405.6M1.1%−4,549−0.4%ReducedHolders
Q1 20231,065,115$369.0M1.1%−10,338−1.0%ReducedHolders
Q4 20221,075,453$253.1M0.9%−83,751−7.2%ReducedHolders
Q3 20221,159,204$285.3M0.9%−12,353−1.1%ReducedHolders
Q2 20221,171,557$354.2M1.1%−1100.0%ReducedHolders
Q1 20221,171,667$481.2M1.2%−5,854−0.5%ReducedHolders
Q4 20211,177,521$552.3M1.2%−76,578−6.1%ReducedHolders
Q3 20211,254,099$532.4M1.2%−10,224−0.8%ReducedHolders
Q2 20211,264,323$454.0M1.0%−1,438−0.1%ReducedHolders
Q1 20211,265,761$356.7M0.9%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.