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Livermore
Livermore
ZHEN

Boston Partners

SEC CIK
0001386060
Latest filing
Aug 4, 2026

AMGN holding history

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

AMGN overviewAll 13F holders of AMGNFull Q2 2026 holdings

Shares (Q2 2026)
637,923
Value
$231.0M
% of portfolio
0.2%
Quarters held
22
Since Q1 2021
Holdings of AMGN by Boston Partners, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026637,923$231.0M0.2%−5,252−0.8%ReducedHolders
Q1 2026643,175$226.3M0.2%−81,618−11.3%ReducedHolders
Q4 2025724,793$237.2M0.2%+1,059+0.1%AddedHolders
Q3 2025723,734$204.4M0.2%−24,652−3.3%ReducedHolders
Q2 2025748,386$209.0M0.2%−55,019−6.8%ReducedHolders
Q1 2025803,405$250.2M0.3%−1,458,208−64.5%ReducedHolders
Q4 20242,261,613$590.4M0.7%−30,567−1.3%ReducedHolders
Q3 20242,292,180$738.2M0.9%−2,230−0.1%ReducedHolders
Q2 20242,294,410$718.2M0.9%+57,076+2.6%AddedHolders
Q1 20242,237,334$635.2M0.8%+481,214+27.4%AddedHolders
Q4 20231,756,120$507.0M0.7%−224,579−11.3%ReducedHolders
Q3 20231,980,699$531.3M0.7%−26,420−1.3%ReducedHolders
Q2 20232,007,119$447.3M0.6%+178,152+9.7%AddedHolders
Q1 20231,828,967$442.0M0.6%+868,298+90.4%AddedHolders
Q4 2022960,669$252.3M0.3%−190,671−16.6%ReducedHolders
Q3 20221,151,340$259.6M0.4%−29,919−2.5%ReducedHolders
Q2 20221,181,259$287.4M0.4%+26,858+2.3%AddedHolders
Q1 20221,154,401$279.2M0.3%+19,366+1.7%AddedHolders
Q4 20211,135,035$255.3M0.3%+412,337+57.1%AddedHolders
Q3 2021722,698$153.7M0.2%+29,760+4.3%AddedHolders
Q2 2021692,938$168.9M0.2%−475,983−40.7%ReducedHolders
Q1 20211,168,921$290.9M0.4%––Holders

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