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Who owns Biogen Idec?

Ticker: BIIB
CUSIP Number: 09062X103

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Analyze quarterly positions in Biogen Idec with up to 7 years of data, all consolidated into one spreadsheet

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Top investors of Biogen Idec stock

Who bought or sold Biogen Idec this quarter?

Fund or Company Name	Shares Held	Valued At	Change in Shares	As Of	Actions
PRIMECAP Management Company	16M	$3.2B	0%	Sep 2024	View chart
BlackRock	15M	$3.0B	100%	Sep 2024	View chart
Jpmorgan Chase & Co	5.1M	$989M	8%	Sep 2024	View chart
T. Rowe Price Investment Management	4.3M	$825M	-25%	Sep 2024	View chart
Geode Capital Management	3.6M	$698M	1%	Sep 2024	View chart
T. Rowe Price Associates	1.9M	$371M	-5%	Sep 2024	View chart
Invesco	1.6M	$316M	26%	Sep 2024	View chart
Northern Trust	1.4M	$262M	100%	Sep 2024	View chart
RA Capital Management	1.2M	$230M	21%	Sep 2024	View chart
Dimensional Fund Advisors	1.1M	$216M	0%	Sep 2024	View chart
Bank of New York Mellon	1.0M	$194M	-20%	Sep 2024	View chart
Barclays	975k	$189M	111%	Sep 2024	View chart
Renaissance Technologies	953k	$185M	54%	Sep 2024	View chart
Susquehanna International	933k	$181M	18%	Sep 2024	View chart
Charles Schwab Investment Management	913k	$177M	1%	Sep 2024	View chart
Amundi	898k	$164M	100%	Sep 2024	View chart
Man Group	857k	$166M	1388%	Sep 2024	View chart
OrbiMed Advisors	813k	$158M	-10%	Sep 2024	View chart
Deutsche Bank Aktiengesellschaft	714k	$139M	9%	Sep 2024	View chart
Massachusetts Financial Services	711k	$138M	30%	Sep 2024	View chart
Bank of America Corporation	706k	$137M	32%	Sep 2024	View chart
Citadel Advisors	631k	$122M	130%	Sep 2024	View chart
ClearBridge Advisors	602k	$117M	-59%	Sep 2024	View chart
Standard Life Aberdeen	569k	$110M	6%	Sep 2024	View chart
Pictet Asset Management Holding SA	473k	$92M	100%	Sep 2024	View chart
D. E. Shaw & Co	455k	$88M	76%	Sep 2024	View chart
Swiss National Bank	432k	$84M	0%	Sep 2024	View chart
Bnp Paribas Arbitrage, Snc	414k	$80M	43%	Sep 2024	View chart
Bnp Paribas Investment Partners	399k	$77M	-8%	Sep 2024	View chart
CalPERS	395k	$77M	0%	Sep 2024	View chart
Franklin Resources	375k	$72M	-4%	Sep 2024	View chart
TD Asset Management	371k	$72M	-3%	Sep 2024	View chart
Sumitomo Mitsui Trust Holdings	370k	$72M	3%	Sep 2024	View chart
Parnassus Investments	362k	$70M	0%	Sep 2024	View chart
National Pension Service	360k	$70M	100%	Sep 2024	View chart
First Trust Advisors	359k	$70M	100%	Sep 2024	View chart
Royal Bank of Canada	344k	$67M	-13%	Sep 2024	View chart
Mizuho Securities USA	316k	$301k	2716%	Sep 2024	View chart
Hudson Bay Capital Management	300k	$58M	54%	Sep 2024	View chart
Erste Asset Management GmbH	288k	$56M	1%	Sep 2024	View chart
Robeco Institutional Asset Management B V	275k	$53M	28%	Sep 2024	View chart
Rhumbline Advisers	274k	$53M	-3%	Sep 2024	View chart
Jane Street	250k	$49M	40%	Sep 2024	View chart
Tocqueville Asset Management	248k	$48M	13%	Sep 2024	View chart
Citigroup	246k	$48M	-6%	Sep 2024	View chart
California State Teachers Retirement System	231k	$45M	0%	Sep 2024	View chart
Palo Alto Investors	229k	$44M	-21%	Sep 2024	View chart
Mitsubishi UFJ Asset Management	224k	$43M	100%	Sep 2024	View chart
American Century Companies	217k	$42M	-74%	Sep 2024	View chart
Wells Fargo & Company	207k	$40M	-17%	Sep 2024	View chart
Raymond James & Associates	192k	$37M	3%	Sep 2024	View chart
National Bank Of Canada /fi/	192k	$37M	253%	Sep 2024	View chart
Thrivent Financial for Lutherans	189k	$37M	100%	Sep 2024	View chart
Swedbank AB	185k	$36M	85%	Sep 2024	View chart
Envestnet Asset Management	182k	$35M	-9%	Sep 2024	View chart
Principal Financial Group	169k	$33M	3%	Sep 2024	View chart
Rafferty Asset Management	160k	$31M	100%	Sep 2024	View chart
Group One Trading	159k	$31M	37%	Sep 2024	View chart
WEDGE Capital Management L	153k	$30M	3%	Sep 2024	View chart
Saratoga Research & Investment Management	151k	$29M	-4%	Sep 2024	View chart
Worldquant Millennium Quantitative Strategies	147k	$28M	81%	Sep 2024	View chart
Florida State Board of Administration	143k	$28M	-2%	Sep 2024	View chart
Letko, Brosseau & Associates	133k	$26M	18%	Sep 2024	View chart
Mirae Asset Global Etfs Holdings	131k	$26M	3%	Sep 2024	View chart
Victory Capital Management	131k	$25M	-2%	Sep 2024	View chart
Great-West Life Assurance Company	130k	$25M	0%	Sep 2024	View chart
Banco Bilbao Vizcaya Argentaria	130k	$25M	18%	Sep 2024	View chart
J. L. Bainbridge & Co	121k	$24M	100%	Sep 2024	View chart
Nordea Investment Management Ab	118k	$18M	48%	Dec 2024	View chart
New York State Teachers Retirement System	118k	$23M	-4%	Sep 2024	View chart
Natixis	116k	$23M	8%	Sep 2024	View chart
Krensavage Asset Management	114k	$22M	-8%	Sep 2024	View chart
DekaBank Deutsche Girozentrale	109k	$21M	2%	Sep 2024	View chart
Sei Investments	108k	$21M	100%	Sep 2024	View chart
Federated Investors	103k	$20M	0%	Sep 2024	View chart
Van Eck Associates Corp.	99k	$18M	-89%	Sep 2024	View chart
Sprucegrove Investment Management	98k	$19M	0%	Sep 2024	View chart
Trexquant Investment	97k	$19M	100%	Sep 2024	View chart
New York State Common Retirement Fund	95k	$18M	-15%	Sep 2024	View chart
Hrt Financial	89k	$17M	100%	Sep 2024	View chart
United Capital Financial Advisers	87k	$17M	-2%	Sep 2024	View chart
Woodline Partners	82k	$16M	2%	Sep 2024	View chart
DnB NOR Asset Management AS	82k	$16M	34%	Sep 2024	View chart
Ing Investment Management	81k	$16M	-15%	Sep 2024	View chart
Mitsubishi UFJ Trust & Banking Corp	79k	$15M	1%	Sep 2024	View chart
Glenmede Trust Company	77k	$15M	100%	Sep 2024	View chart
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main	76k	$15M	238%	Sep 2024	View chart
J. Safra Sarasin Holding	73k	$14M	10%	Sep 2024	View chart
Bridgewater Associates	72k	$14M	339%	Sep 2024	View chart
Zurcher Kantonalbank	70k	$14M	-5%	Sep 2024	View chart
Handelsbanken Fonder AB	69k	$13M	2%	Sep 2024	View chart
Fisher Investments	67k	$13M	-3%	Sep 2024	View chart
Marshall Wace	66k	$13M	100%	Sep 2024	View chart
AMF Pensionsforsakring AB	64k	$12M	0%	Sep 2024	View chart
ExodusPoint Capital Management	63k	$12M	100%	Sep 2024	View chart
Capstone Investment Advisors	63k	$12M	42%	Sep 2024	View chart
Twinbeech Capital	61k	$12M	100%	Sep 2024	View chart
Wolverine Trading	61k	$12M	2%	Sep 2024	View chart
Toronto-Dominion Bank	60k	$12M	-27%	Sep 2024	View chart
Guggenheim Capital, LLC Managers	60k	$12M	-3%	Sep 2024	View chart
Skandinaviska Enskilda Banken AB	57k	$11M	100%	Sep 2024	View chart
Jump Financial	57k	$11M	635%	Sep 2024	View chart
Diam	55k	$11M	1%	Sep 2024	View chart
Simplex Trading	53k	$10M	156%	Sep 2024	View chart
State of New Jersey Common Pension Fund D	53k	$10M	0%	Sep 2024	View chart
Ohio Pers	53k	$10M	-11%	Sep 2024	View chart
Centre Asset Management	52k	$7.9M	8%	Dec 2024	View chart
Illinois Municipal Retirement Fund	50k	$9.7M	19%	Sep 2024	View chart
AQR Capital Management	50k	$9.6M	112%	Sep 2024	View chart
NISA Investment Advisors	50k	$9.7M	-12%	Sep 2024	View chart
Nomura Asset Management	49k	$9.6M	100%	Sep 2024	View chart
Factory Mutual Insurance Company	49k	$9.5M	0%	Sep 2024	View chart
OTR - Nominee Name for The State Teachers Retirement Board of Ohio	49k	$9.5M	0%	Sep 2024	View chart
Ossiam	48k	$9.2M	17%	Sep 2024	View chart
Grimes & Company	48k	$9.2M	-1%	Sep 2024	View chart
LPL Financial	46k	$9.0M	-13%	Sep 2024	View chart
CIBC Global Asset Management	45k	$8.8M	6%	Sep 2024	View chart
Assenagon Asset Management	43k	$8.4M	1%	Sep 2024	View chart
Mirae Asset Global Investments	43k	$8.3M	21%	Sep 2024	View chart
Gotham Asset Management	42k	$8.2M	80%	Sep 2024	View chart
Arizona State Retirement System	42k	$8.1M	-1%	Sep 2024	View chart
Varma Mutual Pension Insurance	42k	$7.2M	4%	Sep 2024	View chart
LSV Asset Management	42k	$8.0M	100%	Sep 2024	View chart
Gateway Investment Advisers	41k	$8.0M	0%	Sep 2024	View chart
State Treasurer State Of Michigan	40k	$7.7M	-1%	Sep 2024	View chart
Brian McDonald	39k	$7.6M	-4%	Sep 2024	View chart
Teacher Retirement System Of Texas	39k	$7.6M	16%	Sep 2024	View chart
Impax Asset Management Group	39k	$7.5M	40%	Sep 2024	View chart
MetLife Investment Advisors	38k	$7.3M	-2%	Sep 2024	View chart
USS Investment Management	37k	$7.2M	100%	Sep 2024	View chart
Calamos Advisors	37k	$7.1M	-2%	Sep 2024	View chart
Oppenheimer Asset Management	36k	$7.0M	-2%	Sep 2024	View chart
China Universal Asset Management	36k	$7.0M	80%	Sep 2024	View chart
Tang Capital Management	35k	$6.8M	0%	Sep 2024	View chart
Kirr Marbach & Co	34k	$6.7M	0%	Sep 2024	View chart
IFM Investors Pty	34k	$6.6M	-1%	Sep 2024	View chart
Stoneridge Investment Partners	34k	$6.6M	11%	Sep 2024	View chart
KBC Group NV	33k	$6.4M	-21%	Sep 2024	View chart
NorthCrest Asset Manangement	32k	$6.2M	1%	Dec 2024	View chart
Fjarde Ap-fonden /fourth Swedish National Pension Fund	32k	$6.1M	100%	Sep 2024	View chart
Commonwealth of Pennsylvania	32k	$6.1M	-1%	Sep 2024	View chart
Daiwa Securities Group	32k	$6.1M	27%	Sep 2024	View chart
Retirement Systems of Alabama	31k	$6.1M	-2%	Sep 2024	View chart
Banque Pictet & Cie Sa	31k	$6.0M	-3%	Sep 2024	View chart
ICICI Prudential Asset Management	30k	$5.9M	-24%	Sep 2024	View chart
CenterBook Partners	30k	$5.8M	-47%	Sep 2024	View chart
CI Private Wealth	30k	$5.8M	-9%	Sep 2024	View chart
Czech National Bank	30k	$5.8M	7%	Sep 2024	View chart
Credit Agricole	29k	$5.6M	100%	Sep 2024	View chart
Point72	29k	$5.6M	-61%	Sep 2024	View chart
Amalgamated Bank	29k	$5.5M	-3%	Sep 2024	View chart
Healthcare Of Ontario Pension Plan Trust Fund	28k	$5.4M	-35%	Sep 2024	View chart
Sarissa Capital Management	27k	$5.2M	-96%	Sep 2024	View chart
Alaska Retirement Management Board	25k	$4.8M	-16%	Sep 2024	View chart
Natixis Asset Management Advisors	25k	$4.8M	-29%	Sep 2024	View chart
Ensign Peak Advisors	24k	$4.7M	-30%	Sep 2024	View chart
Cibc World Markets	23k	$4.5M	-21%	Sep 2024	View chart
Connor, Clark & Lunn Investment Management	23k	$4.4M	-74%	Sep 2024	View chart
SG Americas Securities	3.7k	$712k	-91%	Sep 2024	View chart

Who sold out of Biogen Idec?

Fund or Company Name	Date Sold	Shares Held	Valued At
Alyeska Investment Group	Jun 2024	401k	$93M
International Assets Investment Management	Sep 2024	359k	$1.9M
Millennium Management	Jun 2024	340k	$79M
Zurich Insurance Group Ltd/FI	Jun 2024	99k	$23M
Cutter Capital Management	Jun 2024	77k	$18M
Nicola Wealth Management	Jun 2024	40k	$9.2M
Boston Common Asset Management	Jun 2024	35k	$8.0M
Sivik Global Healthcare	Jun 2024	30k	$7.0M

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