SEC 13F Intelligence

Aqr Capital Management LLC / BIIB

Aqr Capital Management LLC’s Biogen Inc Position

Does Aqr Capital Management LLC own Biogen Inc (BIIB)? Yes — 1.92M shares worth $346M (+0.16% of its 13F portfolio) as of Q1 2026, up from 1.53M shares the prior filed quarter.

Position Value
$346M
Q1 2026
Shares
1.92M
% of Portfolio
+0.16%
Quarters Held
30
currently held

Position History BIIB

Reported value by quarter
Q4 ’18: $950MQ4 ’18Q1 ’19: $992MQ2 ’19: $887MQ3 ’19: $815MQ4 ’19: $781MQ4 ’19Q1 ’20: $661MQ2 ’20: $583MQ3 ’20: $628MQ4 ’20: $245MQ4 ’20Q1 ’21: $284MQ2 ’21: $178MQ3 ’21: $99MQ4 ’21: $79MQ4 ’21Q1 ’22: $83MQ2 ’22: $103MQ3 ’22: $66MQ4 ’22: $54MQ4 ’22Q1 ’23: $117MQ2 ’23: $96MQ3 ’23: $79MQ4 ’23: $10MQ4 ’23Q1 ’24: $1MQ2 ’24: $5MQ3 ’24: $10MQ4 ’24: $82MQ4 ’24Q1 ’25: $187MQ2 ’25: $171MQ3 ’25: $249MQ4 ’25: $269MQ4 ’25Q1 ’26: $346Mfilingsflow.com
QuarterSharesValue% of Portfolio
Q1 20261.92M$346M+0.16%
Q4 20251.53M$269M+0.14%
Q3 20251.78M$249M+0.16%
Q2 20251.36M$171M+0.14%
Q1 20251.37M$187M+0.19%
Q4 2024539.7K$82M+0.11%
Q3 202449.9K$10M+0.01%
Q2 202423.6K$5M+0.01%
Q1 20246.4K$1M0.00%
Q4 202337.1K$10M+0.02%
Q3 2023306.7K$79M+0.16%
Q2 2023336.4K$96M+0.20%
Q1 2023422.5K$117M+0.26%
Q4 2022197.8K$54M+0.12%
Q3 2022254.5K$66M+0.16%
Q2 2022513.2K$103M+0.23%
Q1 2022396.3K$83M+0.16%
Q4 2021328.2K$79M+0.14%
Q3 2021350.9K$99M+0.18%
Q2 2021514.5K$178M+0.31%
Q1 20211.03M$284M+0.46%
Q4 20201.02M$245M+0.44%
Q3 20202.22M$628M+1.06%
Q2 20202.24M$583M+0.94%
Q1 20202.12M$661M+1.11%
Q4 20192.64M$781M+0.89%
Q3 20193.52M$815M+0.96%
Q2 20193.79M$887M+0.99%
Q1 20194.22M$992M+1.05%
Q4 20183.16M$950M+1.10%

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