What does CUSIP 09062X103 represent in this 13F holders report?

CUSIP 09062X103 is the security identifier for BIIB - BIOGEN INC. - Common Stock used to aggregate holder disclosures.

How many institutions held BIIB - BIOGEN INC. - Common Stock in Q4 2018?

1135 institutional investors reported BIIB - BIOGEN INC. - Common Stock for Q4 2018. Use the holders table for investor-level position and value details.

BIOGEN INC. - Common Stock (BIIB)

CUSIP: 09062X103

Q4 2018 13F Holders as of 31 Dec 2018

Type / Class: Equity / Common Stock
Shares outstanding: 147,079,094
Total 13F shares: 175,003,235
Share change: -2,603,688
Total reported value: $52,619,725,529
Put/Call ratio: 122%
Price per share: $300.92
Number of holders: 1,135
Value change: -$839,325,018
Number of buys: 425
Number of sells: 566

Quarterly Holders Quick Answers

What is CUSIP 09062X103?
CUSIP 09062X103 identifies BIIB - BIOGEN INC. - Common Stock in SEC institutional holdings data.

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Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q1 2019
Previous quarter: Q3 2018

Recent filing periods for CUSIP 09062X103:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of BIIB - BIOGEN INC. - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
BlackRock Finance, Inc.	13F	Company	11%	16,498,360	$5,829,036,000	—	30 Sep 2018	13F
PRIMECAP MANAGEMENT CO/CA/	13F	Company	10%	14,873,796	$5,255,061,000	—	30 Sep 2018	13F
VANGUARD GROUP INC	13F	Company	10%	14,814,125	$5,233,978,000	—	30 Sep 2018	13F
Clearbridge Investments, LLC	13F	Company	6%	8,845,449	$3,125,186,000	—	30 Sep 2018	13F
STATE STREET CORP	13F	Company	6%	8,844,835	$3,124,965,000	—	30 Sep 2018	13F
WELLINGTON MANAGEMENT GROUP LLP	13F	Company	3.8%	5,534,010	$1,955,221,000	—	30 Sep 2018	13F
FMR LLC	13F	Company	2.9%	4,322,186	$1,527,072,000	—	30 Sep 2018	13F
Invesco Ltd.	13F	Company	2.5%	3,609,267	$1,275,189,000	—	30 Sep 2018	13F
ALLIANCEBERNSTEIN L.P.	13F	Company	2.1%	3,121,144	$1,102,731,000	—	30 Sep 2018	13F
AQR CAPITAL MANAGEMENT LLC	13F	Company	2.1%	3,024,037	$1,068,422,000	—	30 Sep 2018	13F
AMERIPRISE FINANCIAL INC	13F	Company	1.9%	2,785,923	$1,058,530,000	—	30 Sep 2018	13F
JPMORGAN CHASE & CO	13F	Company	1.9%	2,809,389	$992,586,000	—	30 Sep 2018	13F
NORTHERN TRUST CORP	13F	Company	1.9%	2,774,169	$980,142,000	—	30 Sep 2018	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	1.7%	2,569,113	$906,033,000	—	30 Sep 2018	13F
Capital World Investors	13F	Company	1.7%	2,473,708	$873,986,000	—	30 Sep 2018	13F
Bank of New York Mellon Corp	13F	Company	1.6%	2,302,062	$813,342,000	—	30 Sep 2018	13F
GOLDMAN SACHS GROUP INC	13F	Company	1.5%	2,263,253	$799,629,000	—	30 Sep 2018	13F
Jackson Square Partners, LLC	13F	Company	1.5%	2,241,778	$792,042,000	—	30 Sep 2018	13F
NORGES BANK	13F	Company	1.5%	2,163,493	$764,383,000	—	30 Sep 2018	13F
BANK OF AMERICA CORP /DE/	13F	Company	1.4%	2,022,076	$714,420,000	—	30 Sep 2018	13F
MASSACHUSETTS FINANCIAL SERVICES CO /MA/	13F	Company	1.3%	1,862,429	$658,016,000	—	30 Sep 2018	13F
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	1.2%	1,783,142	$630,002,000	—	30 Sep 2018	13F
DEUTSCHE BANK AG\	13F	Company	1.1%	1,667,154	$589,024,000	—	30 Sep 2018	13F
AMERICAN CENTURY COMPANIES INC	13F	Company	1%	1,507,871	$532,746,000	—	30 Sep 2018	13F
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	13F	Company	0.99%	1,452,894	$513,321,979	—	30 Sep 2018	13F
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	13F	Company	0.97%	1,429,862	$505,184,000	—	30 Sep 2018	13F
FRANKLIN RESOURCES INC	13F	Company	0.78%	1,152,626	$407,235,000	—	30 Sep 2018	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.68%	1,006,100	$355,465,000	—	30 Sep 2018	13F
MORGAN STANLEY	13F	Company	0.66%	976,505	$345,008,000	—	30 Sep 2018	13F
TIAA CREF INVESTMENT MANAGEMENT LLC	13F	Company	0.66%	973,825	$344,062,000	—	30 Sep 2018	13F
Legal & General Group Plc	13F	Company	0.65%	949,935	$335,634,000	—	30 Sep 2018	13F
VOYA INVESTMENT MANAGEMENT LLC	13F	Company	0.64%	939,168	$331,818,000	—	30 Sep 2018	13F
ORBIMED ADVISORS LLC	13F	Company	0.62%	910,300	$321,618,000	—	30 Sep 2018	13F
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main	13F	Company	0.61%	890,074	$314,464,000	—	30 Sep 2018	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.6%	888,053	$313,759,000	—	30 Sep 2018	13F
OppenheimerFunds, Inc.	13F	Company	0.59%	864,382	$305,394,000	—	30 Sep 2018	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	0.58%	846,075	$298,927,000	—	30 Sep 2018	13F
MACQUARIE GROUP LTD	13F	Company	0.55%	804,711	$284,312,000	—	30 Sep 2018	13F
LSV ASSET MANAGEMENT	13F	Company	0.52%	759,111	$268,201,000	—	30 Sep 2018	13F
MANUFACTURERS LIFE INSURANCE COMPANY, THE	13F	Company	0.5%	730,559	$258,113,000	—	30 Sep 2018	13F
PICTET ASSET MANAGEMENT LTD	13F	Company	0.47%	694,077	$245,224,000	—	30 Sep 2018	13F
Sumitomo Mitsui Trust Group, Inc.	13F	Company	0.46%	680,645	$240,479,000	—	30 Sep 2018	13F
Swiss National Bank	13F	Company	0.46%	673,699	$238,025,000	—	30 Sep 2018	13F
PARAMETRIC PORTFOLIO ASSOCIATES LLC	13F	Company	0.44%	650,210	$229,726,000	—	30 Sep 2018	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	0.43%	630,250	$222,680,000	—	30 Sep 2018	13F
Jupiter Investment Management Ltd	13F	Company	0.42%	619,105	$218,735,000	—	30 Sep 2018	13F
LAZARD ASSET MANAGEMENT LLC	13F	Company	0.4%	589,370	$208,229,000	—	30 Sep 2018	13F
TEACHERS ADVISORS, LLC	13F	Company	0.39%	569,238	$201,117,000	—	30 Sep 2018	13F
Allianz Asset Management GmbH	13F	Company	0.38%	563,884	$199,226,000	—	30 Sep 2018	13F
APG Asset Management N.V.	13F	Company	0.43%	635,530	$193,318,000	—	30 Sep 2018	13F

Institutional Holders of BIOGEN INC. - Common Stock (BIIB) as of Q4 2018

As of 31 Dec 2018, BIOGEN INC. - Common Stock (BIIB) was held by 1,135 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 175,003,235 shares. The largest 10 holders included BlackRock Inc., Vanguard Group Inc, PRIMECAP MANAGEMENT CO/CA/, STATE STREET CORP, Clearbridge Investments, LLC, WELLINGTON MANAGEMENT GROUP LLP, Capital World Investors, FMR LLC, AQR CAPITAL MANAGEMENT LLC, and Invesco Ltd.. This page lists 1,135 institutional shareholders reporting positions in this security for the Q4 2018 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q4 2018 vs Q3 2018 Across Filers

Q3 2018 holders

1,140

Q4 2018 holders

1,135

Holder diff

-5

Investor	Q3 2018 Shares	Q4 2018 Shares	Share Diff	Share Chg %	Q3 2018 Value $	Q4 2018 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.