Calamos Advisors LLC - BIOGEN INC ownership

BIOGEN INC's ticker is and the CUSIP is 09062X903. A total of 11 filers reported holding BIOGEN INC in Q3 2023. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
Calamos Advisors LLC ownership history of BIOGEN INC
ValueSharesWeighting
Q4 2019$7,774,000
-41.9%
26,200
-30.9%
0.04%
-48.6%
Q3 2018$13,390,000
+443.6%
37,900
+3415.8%
0.07%
+393.3%
Q2 2015$2,463,000
-27.2%
1,078
-8.9%
0.02%
-28.6%
Q1 2015$3,383,0001,1830.02%
Other shareholders
BIOGEN INC shareholders Q3 2023
NameSharesValueWeighting ↓
Kinneret Advisory, LLC 12,842$3,300,5220.41%
GROUP ONE TRADING, L.P. 48,800$12,542,0880.04%
Garda Capital Partners LP 2,700$693,9270.03%
SIMPLEX TRADING, LLC 105,500$27,1140.02%
JANE STREET GROUP, LLC 114,200$29,350,5420.01%
IMC-Chicago, LLC 31,000$7,967,3100.01%
Maven Securities LTD 1,600$411,2160.01%
Allianz Asset Management GmbH 1,900$488,3190.00%
JPMORGAN CHASE & CO 44,700$11,488,3470.00%
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
View complete list of BIOGEN INC shareholders