SEC 13F Intelligence

Tudor Investment Corp Et Al / BIIB

Tudor Investment Corp Et Al’s Biogen Inc Position

Does Tudor Investment Corp Et Al own Biogen Inc (BIIB)? Not currently — the last reported position was 6.0K shares worth $753,540 in Q2 2025; the fund’s latest 13F (Q1 2026) no longer reports it.

Position Value
$753,540
Q2 2025
Shares
6.0K
% of Portfolio
0.00%
Quarters Held
20
position exited

Position History BIIB

Reported value by quarter
Q4 ’18: $7MQ4 ’18Q1 ’19: $10MQ2 ’19: $8MQ3 ’19: $12MQ3 ’19Q4 ’19: $1MQ1 ’20: $1MQ2 ’20: $1MQ2 ’20Q4 ’20: $842,000Q2 ’21: $1MQ3 ’21: $2MQ3 ’21Q1 ’22: $1MQ2 ’22: $353,000Q3 ’22: $3MQ3 ’22Q4 ’22: $1MQ1 ’24: $10MQ2 ’24: $2MQ2 ’24Q3 ’24: $10MQ4 ’24: $3MQ1 ’25: $14MQ1 ’25Q2 ’25: $753,540filingsflow.com
QuarterSharesValue% of Portfolio
Q2 20256.0K$753,5400.00%
Q1 2025105.9K$14M+0.05%
Q4 202422.0K$3M+0.01%
Q3 202453.7K$10M+0.04%
Q2 20248.7K$2M+0.01%
Q1 202445.0K$10M+0.06%
Q4 20225.0K$1M+0.03%
Q3 20229.5K$3M+0.05%
Q2 20221.7K$353,000+0.01%
Q1 20225.0K$1M+0.02%
Q3 20218.6K$2M+0.04%
Q2 20214.0K$1M+0.03%
Q4 20203.4K$842,000+0.02%
Q2 20204.8K$1M+0.06%
Q1 20204.3K$1M+0.12%
Q4 20193.7K$1M+0.05%
Q3 201952.7K$12M+0.42%
Q2 201933.4K$8M+0.22%
Q1 201940.3K$10M+0.39%
Q4 201824.7K$7M+0.15%

Common-stock position only; options are excluded. Quarters where the fund filed no 13F or reported no position are absent. See Tudor Investment Corp Et Al’s full portfolio or all institutional holders of BIIB.