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Livermore
Livermore
ZHEN

Millennium Management LLC

SEC CIK
0001273087
Latest filing
Aug 14, 2026

BIIB holding history

Biogen Inc. in every 13F filed by Millennium 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)
0
Sold out in Q2 2026
Value
$0
% of portfolio
0.0%
Quarters held
21
Since Q1 2021
Holdings of BIIB by Millennium Management LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20260$00.0%−93,964−100.0%Sold outHolders
Q1 202693,964$17.2M<0.1%−1,031,622−91.7%ReducedHolders
Q4 20251,125,586$198.1M0.1%+14,396+1.3%AddedHolders
Q3 20251,111,190$155.7M0.1%+435,688+64.5%AddedHolders
Q2 2025675,502$84.8M0.1%+251,505+59.3%AddedHolders
Q1 2025423,997$58.0M0.1%−119,847−22.0%ReducedHolders
Q4 2024543,844$83.2M0.1%+145,708+36.6%AddedHolders
Q3 2024398,136$77.2M0.1%+158,289+66.0%AddedHolders
Q2 2024239,847$55.6M<0.1%+63,435+36.0%AddedHolders
Q1 2024176,412$38.0M<0.1%+171,877+3,790.0%AddedHolders
Q4 20234,535$1.17M<0.1%−73,609−94.2%ReducedHolders
Q3 202378,144$20.1M<0.1%+33,970+76.9%AddedHolders
Q2 202344,174$12.6M<0.1%−469,218−91.4%ReducedHolders
Q1 2023513,392$142.7M0.2%+174,807+51.6%AddedHolders
Q4 2022338,585$93.8M0.1%−574,120−62.9%ReducedHolders
Q3 2022912,705$243.7M0.3%+331,058+56.9%AddedHolders
Q2 2022581,647$118.6M0.2%−22,566−3.7%ReducedHolders
Q1 2022604,213$127.2M0.2%+191,325+46.3%AddedHolders
Q4 2021412,888$99.1M0.1%+141,069+51.9%AddedHolders
Q3 2021271,819$76.9M0.1%−35,210−11.5%ReducedHolders
Q2 2021307,029$106.3M0.1%+152,271+98.4%AddedHolders
Q1 2021154,758$43.3M0.1%––Holders

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