What does CUSIP G01767105 represent in this 13F holders report?

CUSIP G01767105 is the security identifier for ALKS - Alkermes plc. - Common Stock used to aggregate holder disclosures.

How many institutions held ALKS - Alkermes plc. - Common Stock in Q1 2021?

187 institutional investors reported ALKS - Alkermes plc. - Common Stock for Q1 2021. Use the holders table for investor-level position and value details.

Alkermes plc. - Common Stock (ALKS)

CUSIP: G01767105

Q1 2021 13F Holders as of 31 Mar 2021

Type / Class: Equity / Common Stock
Shares outstanding: 164,135,525
Total 13F shares: 157,785,504
Share change: -3,126,977
Total reported value: $2,947,852,619
Put/Call ratio: 166%
Price per share: $18.68
Number of holders: 187
Value change: -$61,698,231
Number of buys: 85
Number of sells: 100

Quarterly Holders Quick Answers

What is CUSIP G01767105?
CUSIP G01767105 identifies ALKS - Alkermes plc. - Common Stock in SEC institutional holdings data.

Need full ownership history?
Open the full security ownership history page.

Related Filing Research

Latest 13F filings for newly reported positions.
Latest Schedule 13D/13G reports for ownership changes outside 13F cadence.
Latest 10-Q/10-K reports for financial context tied to this issuer.
Recent insider transactions for executive and insider activity.
SEC investors directory and top value investors for manager drilldown.
Back to full security ownership history.

Explore More Reporting Periods

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

Newer quarter: Q2 2021
Previous quarter: Q4 2020

Recent filing periods for CUSIP G01767105:

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

Top shareholders of ALKS - Alkermes plc. - 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
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	14%	23,576,902	$470,359,000	—	31 Dec 2020	13F
WELLINGTON MANAGEMENT GROUP LLP	13F	Company	13%	20,537,899	$409,731,000	—	31 Dec 2020	13F
VANGUARD GROUP INC	13F	Company	9.4%	15,436,476	$307,958,000	—	31 Dec 2020	13F
BlackRock Finance, Inc.	13F	Company	5.5%	9,024,694	$180,042,000	—	31 Dec 2020	13F
Sarissa Capital Management LP	13F	Company	4.8%	7,950,000	$158,602,000	—	31 Dec 2020	13F
PRIMECAP MANAGEMENT CO/CA/	13F	Company	4.3%	7,125,760	$142,159,000	—	31 Dec 2020	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	4.2%	6,955,413	$138,760,000	—	31 Dec 2020	13F
Camber Capital Management LP	13F	Company	4.1%	6,750,000	$134,663,000	—	31 Dec 2020	13F
STATE STREET CORP	13F	Company	3%	4,862,428	$97,005,000	—	31 Dec 2020	13F
FIRST TRUST ADVISORS LP	13F	Company	2.4%	3,876,574	$77,338,000	—	31 Dec 2020	13F
CITIGROUP INC	13F	Company	2%	3,345,152	$66,737,000	—	31 Dec 2020	13F
UBS Group AG	13F	Company	1.8%	2,923,312	$58,320,000	—	31 Dec 2020	13F
NOMURA HOLDINGS INC	13F	Company	1.4%	2,351,573	$47,135,000	—	31 Dec 2020	13F
ARMISTICE CAPITAL, LLC	13F	Company	1.4%	2,216,000	$44,209,000	—	31 Dec 2020	13F
Woodline Partners LP	13F	Company	1.3%	2,141,369	$42,720,000	—	31 Dec 2020	13F
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	13F	Company	1.3%	2,082,601	$41,548,000	—	31 Dec 2020	13F
Artisan Partners Limited Partnership	13F	Company	1.3%	2,080,013	$41,496,000	—	31 Dec 2020	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	1.2%	2,018,237	$40,263,000	—	31 Dec 2020	13F
NORGES BANK	13F	Company	1.2%	1,889,117	$37,688,000	—	31 Dec 2020	13F
GOLDMAN SACHS GROUP INC	13F	Company	1.1%	1,785,983	$35,631,000	—	31 Dec 2020	13F
Krensavage Asset Management, LLC	13F	Company	0.99%	1,620,675	$32,332,000	—	31 Dec 2020	13F
CREDIT SUISSE AG/	13F	Company	0.99%	1,618,074	$32,280,000	—	31 Dec 2020	13F
BAKER BROS. ADVISORS LP	13F	Company	0.94%	1,535,149	$30,626,000	—	31 Dec 2020	13F
JACOBS LEVY EQUITY MANAGEMENT, INC	13F	Company	0.81%	1,330,618	$26,546,000	—	31 Dec 2020	13F
Bank of New York Mellon Corp	13F	Company	0.79%	1,294,230	$25,819,000	—	31 Dec 2020	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.72%	1,186,048	$23,662,000	—	31 Dec 2020	13F
Clearbridge Investments, LLC	13F	Company	0.71%	1,166,073	$23,263,000	—	31 Dec 2020	13F
ACADIAN ASSET MANAGEMENT LLC	13F	Company	0.61%	1,000,865	$19,966,000	—	31 Dec 2020	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	0.55%	905,900	$18,077,000	—	31 Dec 2020	13F
Russell Investments Group, Ltd.	13F	Company	0.5%	820,359	$16,415,000	—	31 Dec 2020	13F
NORTHERN TRUST CORP	13F	Company	0.45%	738,725	$14,738,000	—	31 Dec 2020	13F
Point72 Asset Management, L.P.	13F	Company	0.45%	731,900	$14,601,000	—	31 Dec 2020	13F
Atom Investors LP	13F	Company	0.43%	707,468	$14,114,000	—	31 Dec 2020	13F
TWO SIGMA ADVISERS, LP	13F	Company	0.41%	670,381	$13,374,000	—	31 Dec 2020	13F
Invesco Ltd.	13F	Company	0.37%	607,978	$12,129,000	—	31 Dec 2020	13F
Nuveen Asset Management, LLC	13F	Company	0.37%	607,336	$12,116,000	—	31 Dec 2020	13F
Meditor Group Ltd	13F	Company	0.37%	603,790	$12,045,000	—	31 Dec 2020	13F
Hardman Johnston Global Advisors LLC	13F	Company	0.36%	590,680	$11,784,000	—	31 Dec 2020	13F
BNP PARIBAS FINANCIAL MARKETS	13F	Company	0.34%	555,999	$11,092,180	—	31 Dec 2020	13F
MORGAN STANLEY	13F	Company	0.34%	550,119	$10,975,000	—	31 Dec 2020	13F
FULLER & THALER ASSET MANAGEMENT, INC.	13F	Company	0.32%	528,972	$10,553,000	—	31 Dec 2020	13F
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	13F	Company	0.3%	498,092	$9,936,935	—	31 Dec 2020	13F
TD ASSET MANAGEMENT INC	13F	Company	0.3%	493,189	$9,839,000	—	31 Dec 2020	13F
MACQUARIE GROUP LTD	13F	Company	0.26%	430,211	$8,583,000	—	31 Dec 2020	13F
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	13F	Company	0.25%	410,866	$8,197,000	—	31 Dec 2020	13F
D. E. Shaw & Co., Inc.	13F	Company	0.25%	407,096	$8,121,000	—	31 Dec 2020	13F
SEGALL BRYANT & HAMILL, LLC	13F	Company	0.25%	403,634	$8,050,000	—	31 Dec 2020	13F
PICTET ASSET MANAGEMENT LTD	13F	Company	0.24%	394,824	$7,877,000	—	31 Dec 2020	13F
Swiss National Bank	13F	Company	0.22%	359,800	$7,178,000	—	31 Dec 2020	13F
BANK OF MONTREAL /CAN/	13F	Company	0.2%	329,279	$7,066,000	—	31 Dec 2020	13F

Institutional Holders of Alkermes plc. - Common Stock (ALKS) as of Q1 2021

As of 31 Mar 2021, Alkermes plc. - Common Stock (ALKS) was held by 187 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 157,785,504 shares. The largest 10 holders included PRICE T ROWE ASSOCIATES INC /MD/, WELLINGTON MANAGEMENT GROUP LLP, VANGUARD GROUP INC, BlackRock Inc., Sarissa Capital Management LP, PRIMECAP MANAGEMENT CO/CA/, RENAISSANCE TECHNOLOGIES LLC, Camber Capital Management LP, STATE STREET CORP, and ARMISTICE CAPITAL, LLC. This page lists 187 institutional shareholders reporting positions in this security for the Q1 2021 filing period.

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

Compare Q1 2021 vs Q4 2020 Across Filers

Q4 2020 holders

199

Q1 2021 holders

187

Holder diff

-12

Investor	Q4 2020 Shares	Q1 2021 Shares	Share Diff	Share Chg %	Q4 2020 Value $	Q1 2021 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.