Security key
G01767105
- Security type / class
- Equity / COMMON STOCK
- Total 13F shares
- 152,381,294
- Total 13F value
- $4,699,818,812
- Share change
- -8,745,042
- Put/Call ratio
- 283%
- SEC-reported price per share
- $30.84
- Number of holders
- 218
- Value change
- -$238,782,318
- Number of buys
- 105
- Number of sells
- 112
- Shares outstanding
- 166,591,536
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q3 2021
Institutions
218
Top holders
10
ALKS full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q4 2021
Previous quarter: Q2 2021
Alkermes plc. SEC filings
Alkermes plc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP G01767105
Recent filing periods:
Ownership snapshot
Top reported holders of ALKS - Alkermes plc. - COMMON STOCK (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
PRICE T ROWE ASSOCIATES I...
Disclosed value leader
PRICE T ROWE ASSOCIATES I...
Comparable rows
15/15
Latest evidence
30 Jun 2021
13F
Lead comparable stake: 14%
Showing 1-6 of 15 holder rows.
Quick read
PRICE T ROWE ASSOCIATES INC /MD/ leads the comparable SEC ownership view at 14%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens PRICE T ROWE ASSOCIATES INC /MD/'s linked filing trail.
Comparable ownership
Top 5
PRICE T ROWE ASSOCIATES INC /MD/
14%
VANGUARD GROUP INC
10%
WELLINGTON MANAGEMENT GROUP LLP
8.5%
BlackRock Finance, Inc.
7.8%
Sarissa Capital Management LP
7.1%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
Company
|
14%
|
$560,158,000
22,844,954 shares
|
— | 30 Jun 2021 |
| VANGUARD GROUP INC |
13F
Company
|
10%
|
$407,045,000
16,600,489 shares
|
— | 30 Jun 2021 |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
Company
|
8.5%
|
$348,960,000
14,231,637 shares
|
— | 30 Jun 2021 |
| BlackRock Finance, Inc. |
13F
Company
|
7.8%
|
$319,657,000
13,036,546 shares
|
— | 30 Jun 2021 |
| Sarissa Capital Management LP |
13F
Company
|
7.1%
|
$291,052,000
11,870,000 shares
|
— | 30 Jun 2021 |
| PRIMECAP MANAGEMENT CO/CA/ |
13F
Company
|
3.9%
|
$160,812,000
6,558,420 shares
|
— | 30 Jun 2021 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q3 2021
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
218
Shares
152,381,294
Rows available
218
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q3 2021 vs Q2 2021 Across Filers
Q2 2021 holders
213
Q3 2021 holders
218
Holder diff
5
| Investor | Q2 2021 Shares | Q3 2021 Shares | Share Diff | Share Chg % | Q2 2021 value | Q3 2021 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend