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Livermore
Livermore
ZHEN

Ancora Advisors, LLC

SEC CIK
0001446114
Latest filing
Aug 14, 2026

BIIB holding history

Biogen Inc. in every 13F filed by Ancora 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)
39
Value
$8.43K
% of portfolio
<0.1%
Quarters held
21
Since Q1 2021
Holdings of BIIB by Ancora Advisors, LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 202639$8.43K<0.1%−185−82.6%ReducedHolders
Q1 2026224$41.1K<0.1%+100+80.6%AddedHolders
Q4 2025124$21.8K<0.1%+122+6,100.0%AddedHolders
Q3 20252$280<0.1%00.0%UnchangedHolders
Q2 20252$251<0.1%+2NewHolders
Q1 20250$00.0%−2−100.0%Sold outHolders
Q4 20242$306<0.1%−24−92.3%ReducedHolders
Q3 202426$5.04K<0.1%−19−42.2%ReducedHolders
Q2 202445$10.4K<0.1%−35−43.8%ReducedHolders
Q1 202480$17.3K<0.1%−161−66.8%ReducedHolders
Q4 2023241$62.4K<0.1%00.0%UnchangedHolders
Q3 2023241$61.9K<0.1%00.0%UnchangedHolders
Q2 2023241$68.6K<0.1%00.0%UnchangedHolders
Q1 2023241$67.0K<0.1%+25+11.6%AddedHolders
Q4 2022216$60.0K<0.1%−25−10.4%ReducedHolders
Q3 2022241$64.0K<0.1%−150−38.4%ReducedHolders
Q2 2022391$80.0K<0.1%00.0%UnchangedHolders
Q1 2022391$82.0K<0.1%−114−22.6%ReducedHolders
Q4 2021505$121.0K<0.1%−868−63.2%ReducedHolders
Q3 20211,373$389.0K<0.1%+25+1.9%AddedHolders
Q2 20211,348$467.0K<0.1%00.0%UnchangedHolders
Q1 20211,348$377.0K<0.1%––Holders

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