SEC 13F Intelligence

Tekla Capital Management LLC / BIIB

Tekla Capital Management LLC’s Biogen Inc Position

Does Tekla Capital Management LLC own Biogen Inc (BIIB)? Yes247.9K shares worth $71M (+2.76% of its 13F portfolio) as of Q2 2023, up from 240.9K shares the prior filed quarter.

Position Value
$71M
Q2 2023
Shares
247.9K
% of Portfolio
+2.76%
Quarters Held
19
currently held

Position History BIIB

Reported value by quarter
Q4 ’18: $119MQ4 ’18Q1 ’19: $74MQ2 ’19: $53MQ3 ’19: $60MQ3 ’19Q4 ’19: $85MQ1 ’20: $105MQ2 ’20: $62MQ2 ’20Q3 ’20: $61MQ4 ’20: $60MQ1 ’21: $69MQ1 ’21Q2 ’21: $72MQ3 ’21: $66MQ4 ’21: $33MQ4 ’21Q1 ’22: $29MQ2 ’22: $28MQ3 ’22: $39MQ3 ’22Q4 ’22: $54MQ1 ’23: $67MQ2 ’23: $71MQ2 ’23filingsflow.com
QuarterSharesValue% of Portfolio
Q2 2023247.9K$71M+2.76%
Q1 2023240.9K$67M+2.55%
Q4 2022195.4K$54M+2.04%
Q3 2022145.4K$39M+1.59%
Q2 2022135.6K$28M+1.09%
Q1 2022135.6K$29M+1.00%
Q4 2021135.6K$33M+1.05%
Q3 2021233.9K$66M+2.13%
Q2 2021209.1K$72M+2.35%
Q1 2021246.8K$69M+2.38%
Q4 2020246.8K$60M+2.12%
Q3 2020213.8K$61M+2.27%
Q2 2020233.6K$62M+2.38%
Q1 2020332.7K$105M+4.76%
Q4 2019285.1K$85M+3.20%
Q3 2019257.9K$60M+2.62%
Q2 2019224.7K$53M+2.14%
Q1 2019314.3K$74M+3.02%
Q4 2018394.9K$119M+5.09%

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