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Caption Management, LLC

SEC CIK
0001706766
Latest filing
Aug 14, 2026

BIIB holding history

Biogen Inc. in every 13F filed by Caption Management, 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)
21,000
Value
$4.54M
% of portfolio
0.2%
Quarters held
14
Since Q1 2021
Holdings of BIIB by Caption Management, LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 202621,000$4.54M0.2%+21,000NewHolders
Q1 20260$00.0%−53,000−100.0%Sold outHolders
Q4 202553,000$9.33M0.4%+48,000+960.0%AddedHolders
Q3 20255,000$700.4K<0.1%−6,000−54.5%ReducedHolders
Q2 202511,000$1.38M0.1%+11,000NewHolders
Q1 20250$00.0%−13,875−100.0%Sold outHolders
Q4 202413,875$2.12M0.1%+12,095+679.5%AddedHolders
Q3 20241,780$345.0K<0.1%−2,000−52.9%ReducedHolders
Q2 20243,780$876.3K0.1%+3,780NewHolders
Q1 20230$00.0%−12,000−100.0%Sold outHolders
Q4 202212,000$3.32M0.6%+12,000NewHolders
Q3 20220$00.0%−75,346−100.0%Sold outHolders
Q2 202275,346$15.4M1.4%+3,646+5.1%AddedHolders
Q1 202271,700$15.1M1.0%−163,300−69.5%ReducedHolders
Q4 2021235,000$56.4M3.5%+11,700+5.2%AddedHolders
Q3 2021223,300$63.2M4.1%+53,996+31.9%AddedHolders
Q2 2021169,304$58.6M5.3%+93,830+124.3%AddedHolders
Q1 202175,474$21.1M2.7%––Holders

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