SEC 13F Intelligence

Taconic Capital Advisors LP / BIIB

Taconic Capital Advisors LP’s Biogen Inc Position

Does Taconic Capital Advisors LP own Biogen Inc (BIIB)? Not currently — the last reported position was 117.0K shares worth $33M in Q3 2021; the fund’s latest 13F (Q1 2026) no longer reports it.

Position Value
$33M
Q3 2021
Shares
117.0K
% of Portfolio
+0.92%
Quarters Held
9
position exited

Position History BIIB

Reported value by quarter
Q2 ’19: $8MQ2 ’19Q4 ’19: $9MQ1 ’20: $17MQ1 ’20Q2 ’20: $9MQ3 ’20: $14MQ3 ’20Q4 ’20: $2MQ1 ’21: $4MQ1 ’21Q2 ’21: $7MQ3 ’21: $33MQ3 ’21filingsflow.com
QuarterSharesValue% of Portfolio
Q3 2021117.0K$33M+0.92%
Q2 202120.0K$7M+0.21%
Q1 202115.0K$4M+0.15%
Q4 202010.0K$2M+0.11%
Q3 202050.0K$14M+0.80%
Q2 202035.0K$9M+0.61%
Q1 202054.5K$17M+1.82%
Q4 201930.0K$9M+0.31%
Q2 201935.0K$8M+0.66%

Common-stock position only; options are excluded. Quarters where the fund filed no 13F or reported no position are absent. See Taconic Capital Advisors LP’s full portfolio or all institutional holders of BIIB.