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PDT Partners, LLC

SEC CIK
0001564702
Latest filing
Aug 14, 2026

BIIB holding history

Biogen Inc. in every 13F filed by PDT Partners, 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
13
Since Q4 2021
Holdings of BIIB by PDT Partners, LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20260$00.0%−2,348−100.0%Sold outHolders
Q1 20262,348$430.5K<0.1%00.0%UnchangedHolders
Q4 20252,348$413.2K<0.1%00.0%UnchangedHolders
Q3 20252,348$328.9K<0.1%−29,316−92.6%ReducedHolders
Q2 202531,664$3.98M0.2%+31,664NewHolders
Q1 20250$00.0%−39,405−100.0%Sold outHolders
Q4 202439,405$6.03M0.5%+22,908+138.9%AddedHolders
Q3 202416,497$3.20M0.3%+9,997+153.8%AddedHolders
Q2 20246,500$1.51M0.1%+6,500NewHolders
Q1 20240$00.0%−6,125−100.0%Sold outHolders
Q4 20236,125$1.58M0.2%+4,525+282.8%AddedHolders
Q3 20231,600$411.2K0.1%+1,600NewHolders
Q2 20230$00.0%−3,039−100.0%Sold outHolders
Q1 20233,039$844.9K0.1%+3,039NewHolders
Q4 20220$00.0%−1,175−100.0%Sold outHolders
Q3 20221,175$314.0K<0.1%+1,175NewHolders
Q2 20220$00.0%−6,544−100.0%Sold outHolders
Q1 20226,544$1.38M0.1%+4,097+167.4%AddedHolders
Q4 20212,447$587.0K<0.1%+2,447NewHolders