Biogen

BIIB

Market cap $20.6B

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.

New

Increased

Maintained

Reduced

Closed

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

Top Sellers

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

#	Name	Holding	Trade Value	Shares Change	Shares Change %
576	576 Jane Street New York	$495K	+$495K	+1,570	New
577	CB 577 Chemical Bank Detroit, Michigan	$491K	–	–	–
578	GIA 578 Granite Investment Advisors Concord, New Hampshire	$489K	-$8.52K	-27	-2%
579	GC 579 Grimes & Company Westborough, Massachusetts	$481K	+$110K	+349	+30%
580	EHWM 580 Eads & Heald Wealth Management Atlanta, Georgia	$480K	+$34.7K	+110	+8%
581	SWM 581 SVA Wealth Management Madison, Wisconsin	$473K	–	–	–
582	ACM 582 Apex Capital Management Dayton, Ohio	$473K	–	–	–
583	AAP 583 Ardsley Advisory Partners Stamford, Connecticut	$473K	+$473K	+1,500	New
584	CANC 584 Culbertson A N & Co Charlottesville, Virginia	$473K	+$473K	+1,500	New
585	PP 585 Prudential plc London, England, United Kingdom	$470K	–	–	–
586	ARMT 586 Amica Retiree Medical Trust Lincoln, Rhode Island	$470K	–	–	–
587	BC 587 Burney Company Reston, Virginia	$464K	-$23.6K	-75	-5%
588	WOC 588 West Oak Capital Westlake Village, California	$460K	-$9.46K	-30	-2%
589	HSA 589 HBK Sorce Advisory Erie, Pennsylvania	$455K	+$23K	+73	+5%
590	HHGA 590 Halbert Hargrove Global Advisors Long Beach, California	$451K	-$58.1K	-184	-11%
591	CTI 591 Community Trust & Investment Versailles, Kentucky	$450K	+$450K	+1,426	New
592	CAM 592 Cypress Asset Management Houston, Texas	$448K	+$448K	+1,420	New
593	DC 593 Davenport & Co Richmond, Virginia	$446K	-$631	-2	-0.1%
594	SCM 594 Sterling Capital Management Charlotte, North Carolina	$442K	+$442K	+1,403	New
595	FMLI 595 Fukoku Mutual Life Insurance Tokyo, Japan	$441K	+$31.5K	+100	+8%
596	596 Luther King Capital Management (LKCM) Fort Worth, Texas	$441K	+$224K	+710	+103%
597	RCAG 597 Rehmann Capital Advisory Group Lansing, Michigan	$437K	+$63.6K	+202	+17%
598	PI 598 PineBridge Investments New York	$424K	-$4.3M	-13,626	-91%
599	PWLP 599 Prio Wealth Limited Partnership Boston, Massachusetts	$422K	+$6.3K	+20	+2%
600	WPC 600 Waters Parkerson & Co New Orleans, Louisiana	$420K	–	–	–

Biogen BIIB Market cap $20.6B

Top Buyers

Top Sellers

Biogen

BIIB

Market cap $20.6B