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Darwin Advisors, LLC

SEC CIK
0001663224
Latest filing
Jul 21, 2026

BIIB holding history

Biogen Inc. in every 13F filed by Darwin Advisors, LLC, 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 2026 holdings

Shares (Q2 2026)
17
Value
$3.72K
% of portfolio
<0.1%
Quarters held
9
Since Q3 2021
Holdings of BIIB by Darwin Advisors, LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 202617$3.72K<0.1%+1+6.3%AddedHolders
Q1 202616$2.93K<0.1%00.0%UnchangedHolders
Q4 202516$2.81K<0.1%00.0%UnchangedHolders
Q3 202516$2.24K<0.1%00.0%UnchangedHolders
Q2 202516$2.01K<0.1%00.0%UnchangedHolders
Q1 202516$2.45K<0.1%00.0%UnchangedHolders
Q4 202416$2.45K<0.1%00.0%UnchangedHolders
Q3 202416$3.10K<0.1%+16NewHolders
Q4 20210$00.0%−4,250−100.0%Sold outHolders
Q3 20214,250$1.20M0.2%+4,250NewHolders