Biogen

BIIB

Market cap $20.5B

782 hedge funds and large institutions have $68.4B invested in Biogen in 2014 Q2 according to their latest regulatory filings, with 81 funds opening new positions, 275 increasing their positions, 302 reducing their positions, and 69 closing their positions.

2025 Q2 2025 Q1 2024 Q4 2024 Q3 2024 Q2 2024 Q1 2023 Q4 2023 Q3 2023 Q2 2023 Q1 2022 Q4 2022 Q3 2022 Q2 2022 Q1 2021 Q4 2021 Q3 2021 Q2 2021 Q1 2020 Q4 2020 Q3 2020 Q2 2020 Q1 2019 Q4 2019 Q3 2019 Q2 2019 Q1 2018 Q4 2018 Q3 2018 Q2 2018 Q1 2017 Q4 2017 Q3 2017 Q2 2017 Q1 2016 Q4 2016 Q3 2016 Q2 2016 Q1 2015 Q4 2015 Q3 2015 Q2 2015 Q1 2014 Q4 2014 Q3 2014 Q2 2014 Q1 2013 Q4 2013 Q3 2013 Q2

Holders

782

Holders Change

Holders Change %

+0.77%

% of All Funds

22.49%

Holding in Top 10

Holding in Top 10 Change

Holding in Top 10 Change %

+9.09%

% of All Funds

1.04%

New

Increased

275

Reduced

302

Closed

Calls

$814M

Puts

$1.09B

Net Calls

-$271M

Net Calls Change

+$35.6M

Top Buyers

1	1 Norges Bank Oslo, Norway	$1.04B
2	2 JPMorgan Chase & Co New York	$2.24B
3	3 American Century Companies Kansas City, Missouri	$442M
4	BIM 4 BlackRock Investment Management Wilmington, Delaware	$367M
5	5 Grantham, Mayo, Van Otterloo & Co (GMO) Boston, Massachusetts	$270M

Top Sellers

1	1 Wellington Management Group Boston, Massachusetts	$568M
2	2 Fidelity Investments Boston, Massachusetts	$6.67B
3	MCM 3 Marsico Capital Management Denver, Colorado	$608M
4	4 Winslow Capital Management Minneapolis, Minnesota	$500M
5	5 Arrowstreet Capital Boston, Massachusetts	$79.4M

#	Name	Market Value	Shares	Shares Change	Shares Change %
701	701 Northwestern Mutual Wealth Management Milwaukee, Wisconsin	$203K	644	+20	+3%
702	PAM 702 Princeton Alpha Management Princeton Junction, New Jersey	$202K	640	-343	-35%
703	703 First Manhattan New York	$201K	639	-411	-39%
704	HAI 704 Hennessy Advisors Inc Novato, California	$200K	635	-300	-32%
705	MUMSS 705 Mitsubishi UFJ Morgan Stanley Securities Tokyo, Japan	$192K	610	+100	+20%
706	MAM 706 Mizuho Asset Management Tokyo, Japan	$190K	601	+162	+37%
707	OAM 707 Orinda Asset Management Lafayette, California	$178K	563	-91	-14%
708	HI 708 Hudock Inc Williamsport, Pennsylvania	$177K	560	+100	+22%
709	NFG 709 Next Financial Group Houston, Texas	$175K	541	+541	New
710	HDIM 710 Hanson & Doremus Investment Management Burlington, Vermont	$173K	550	–	–
711	TCOV 711 Trust Company of Vermont Brattleboro, Vermont	$161K	509	–	–
712	PCTC 712 Perkins Coie Trust Company Seattle, Washington	$158K	500	–	–
713	PTC 713 Private Trust Company Cleveland, Ohio	$149K	474	+16	+3%
714	LNB 714 Ledyard National Bank	$139K	442	-100	-18%
715	WA 715 WFG Advisors Dallas, Texas	$130K	412	–	–
716	TSW 716 Thompson Siegel & Walmsley Richmond, Virginia	$125K	396	–	–
717	TRCT 717 Tower Research Capital (TRC) New York	$125K	397	+397	New
718	MA 718 MCF Advisors Covington, Kentucky	$118K	387	-46	-11%
719	CFSG 719 Community Financial Services Group Newport, Vermont	$114K	360	–	–
720	GI 720 Gradient Investments Arden Hills, Minnesota	$113K	358	+128	+56%
721	CGT 721 Capital Guardian Trust Los Angeles, California	$109K	346	+80	+30%
722	PMFA 722 Plante Moran Financial Advisors Southfield, Michigan	$97K	308	+84	+38%
723	ARMC 723 American Research & Management Company Marion, Massachusetts	$95K	300	–	–
724	WF 724 WealthTrust Fairport Cleveland, Ohio	$93K	294	+100	+52%
725	CHC 725 City Holding Co Charleston, West Virginia	$92K	275	–	–

Biogen BIIB Market cap $20.5B

Top Buyers

Top Sellers

Biogen

BIIB

Market cap $20.5B