Biogen Inc. (BIIB)

Market is closed

Hedge Fund Popularity

13F filing is ongoing

Hedge Fund Holdings
Filing Period:
Last update:
No. Hedge Fund Shares Value Activity % Port
1.
OrbiMed Advisors

Samuel Isaly

827,600 $214,158,052 +49% 4.27%
2. 643,000 $166,389,110 25.64%
3.
RA Capital Management

Peter Kolchinsky

532,892 $137,896,463 2.15%
4. 422,680 $109,376,904 -5% 0.72%
5.
Palo Alto Investors

William Leland Edwards

380,417 $98,440,507 -1% 8.86%
Insider Trading: Purchases See All
Insider Price Amount Relationship Remaining Holdings Date Form 4
$222.54 455 Director 20,629 2024-02-15 Filing
$267.00 898 Director 2,943 2021-02-09 Filing
$241.31 3,100 Officer, Director 34,810 2020-11-30 Filing
$231.24 38,000 Director 643,000 2019-05-02 Filing
$229.46 30,000 Director 605,000 2019-05-01 Filing
Insider Trading: Sales See All
Insider Price Amount Relationship Remaining Holdings Date Form 4
$221.23 262 Officer 4,886 2024-02-22 Filing
$221.49 108 Officer 5,148 2024-02-16 Filing
$239.45 419 Officer 4,516 2024-02-12 Filing
$245.93 634 Officer 4,097 2024-02-02 Filing
$248.00 110 Officer 3,464 2023-12-11 Filing
Institutional Investors' Holdings
Filing Period:
No. Name Shares Value % Port
1. 16,264,481 $4,208,759,748 3.33%
2. 14,407,330 $3,728,184,783 0.08%
3. 14,246,658 $3,686,607,689 0.09%
4. 6,945,665 $1,797,329,732 0.08%
5. 5,324,396 $1,377,793,953 0.25%
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