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Exchange Capital Management, Inc.

SEC CIK
0001317733
Latest filing
Jul 21, 2025

BIIB holding history

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

BIIB overviewAll 13F holders of BIIBFull Q2 2025 holdings

Shares (Q3 2024)
0
Sold out in Q3 2024
Value
$0
% of portfolio
0.0%
Quarters held
14
Since Q1 2021
Holdings of BIIB by Exchange Capital Management, Inc., by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q3 20240$00.0%−20,139−100.0%Sold outHolders
Q2 202420,139$4.67M0.8%−209−1.0%ReducedHolders
Q1 202420,348$4.39M0.7%+50+0.2%AddedHolders
Q4 202320,298$5.25M0.9%+920+4.7%AddedHolders
Q3 202319,378$4.98M0.9%−190−1.0%ReducedHolders
Q2 202319,568$5.57M1.0%−124−0.6%ReducedHolders
Q1 202319,692$5.47M1.1%+297+1.5%AddedHolders
Q4 202219,395$5.37M1.2%−802−4.0%ReducedHolders
Q3 202220,197$5.39M1.3%−280−1.4%ReducedHolders
Q2 202220,477$4.18M0.9%+126+0.6%AddedHolders
Q1 202220,351$4.29M0.8%+855+4.4%AddedHolders
Q4 202119,496$4.68M0.8%+643+3.4%AddedHolders
Q3 202118,853$5.33M1.0%−675−3.5%ReducedHolders
Q2 202119,528$6.76M1.3%+464+2.4%AddedHolders
Q1 202119,064$5.33M1.1%––Holders

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