Alkermes Ownership | Who Owns Alkermes?
Alkermes Ownership Summary
Alkermes is owned by 103.55% institutional investors, 1.48% insiders. Blackrock is the largest institutional shareholder, holding 17.33% of ALKS shares. iShares Core S&P Small-Cap ETF is the top mutual fund, with 5.96% of its assets in Alkermes shares.
ALKS Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Alkermes | 103.55% | 1.48% | -5.04% |
| Sector | Healthcare Stocks | 279.42% | 10.64% | -190.05% |
| Industry | Biotech Stocks | 64.05% | 10.69% | 25.27% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Blackrock | 29.11M | 17.33% | $701.49M |
| Blackrock funding, inc. /de | 27.85M | 17.05% | $801.05M |
| Vanguard group | 18.50M | 11.32% | $531.95M |
| Price t rowe associates inc /md/ | 12.26M | 7.50% | $352.50M |
| State street | 8.81M | 5.40% | $253.52M |
| Rtw investments, lp | 7.56M | 4.63% | $217.36M |
| Wellington management group llp | 7.01M | 4.29% | $201.68M |
| Renaissance | 5.48M | 3.35% | $157.57M |
| Baker bros. advisors lp | 4.18M | 2.56% | $120.27M |
| Geode capital management | 3.82M | 2.34% | $109.85M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Commodore capital lp | 2.30M | 4.85% | $66.15M |
| Affinity asset advisors | 1.10M | 4.24% | $31.64M |
| Healthinvest partners ab | 266.50K | 3.64% | $7.67M |
| Allostery investments lp | 120.00K | 3.60% | $3.45M |
| Rtw investments, lp | 7.56M | 3.29% | $217.36M |
| Stempoint capital lp | 416.97K | 2.99% | $11.99M |
| Krensavage asset management | 257.55K | 2.85% | $6.21M |
| Hudson portfolio management | 50.58K | 1.43% | $1.45M |
| Palo alto investors lp | 289.31K | 1.29% | $8.32M |
| Baker bros. advisors lp | 4.18M | 1.28% | $120.27M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Avoro capital advisors | 2.45M | 1.00% | 2.45M |
| Norges bank | 1.97M | 0.01% | 1.97M |
| Rtw investments, lp | 7.56M | 3.29% | 903.80K |
| Nuveen asset management | 1.66M | 0.01% | 867.49K |
| Jpmorgan chase | 889.47K | 0.00% | 529.96K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Wellington management group llp | 7.01M | 0.04% | -5.65M |
| Deep track capital, lp | - | - | -3.50M |
| Hardman johnston global advisors | - | - | -2.67M |
| Camber capital management lp | - | - | -1.50M |
| Armistice capital | - | - | -1.45M |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Avoro capital advisors | 2.45M | 1.00% | 2.45M | $70.46M |
| Norges bank | 1.97M | 0.01% | 1.97M | $56.68M |
| Raymond james financial | 427.42K | 0.00% | 427.42K | $12.29M |
| Mesirow institutional investment management | 376.87K | 0.83% | 376.87K | $10.84M |
| Holocene advisors, lp | 257.90K | 0.02% | 257.90K | $7.42M |
Sold Out
| Holder | Change |
|---|---|
| Harbor investment advisory | -1.00 |
| Financial gravity asset management | -1.00 |
| Activest wealth management | -1.00 |
| Mather group, llc. | -2.00 |
| Financial synergies wealth advisors | -9.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Mar 31, 2025 | 377 | 7.41% | 169,214,033 | 1.17% | 103 | 0.99% | 185 | 6.94% | 132 | 7.32% |
| Dec 31, 2024 | 341 | - | 166,201,187 | -5.94% | 101 | 0.87% | 167 | -3.47% | 121 | 2.54% |
| Sep 30, 2024 | 339 | 3.99% | 176,619,359 | -1.51% | 108 | 0.95% | 171 | -2.29% | 117 | 7.34% |
| Jun 30, 2024 | 320 | -6.16% | 179,232,053 | 3.05% | 106 | 0.97% | 172 | - | 109 | -9.17% |
| Mar 31, 2024 | 341 | 10.36% | 173,933,414 | -0.77% | 104 | 0.95% | 172 | -3.91% | 120 | 42.86% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 9.84M | 5.96% | - |
| Vanguard Total Stock Mkt Idx Inv | 5.34M | 3.23% | 134.79K |
| Vanguard US Total Market Shares ETF | 5.16M | 3.17% | -174.71K |
| Vanguard Small Cap Index | 4.03M | 2.44% | -72.04K |
| iShares Russell 2000 ETF | 3.90M | 2.36% | -62.97K |
| T. Rowe Price US Mid-Cap Value Equity | 3.83M | 2.32% | -1.15M |
| T. Rowe Price Mid-Cap Value | 3.83M | 2.32% | -4.87K |
| Pacer US Small Cap Cash Cows 100 ETF | 2.98M | 1.84% | -21.71K |
| T. Rowe Price U.S. Mid-Cap Val Eq Tr-Z | 2.64M | 1.62% | -69.71K |
| Vanguard Institutional Extnd Mkt Idx Tr | 2.54M | 1.54% | 4.14K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Jun 10, 2025 | Nichols Christian Todd | SVP, Chief Commercial Officer | Sell | $103.65K |
| Jun 09, 2025 | Nichols Christian Todd | SVP, Chief Commercial Officer | Sell | $106.49K |
| Feb 28, 2025 | Parisi Samuel Joseph | VP, Finance (Interim PAO) | Sell | $65.89K |
| Feb 25, 2025 | Parisi Samuel Joseph | VP, Finance (Interim PAO) | Sell | $131.98K |
| Feb 20, 2025 | Parisi Samuel Joseph | VP, Finance (Interim PAO) | Sell | $47.36K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q2 | - | 2 |
| 2025 Q1 | - | 8 |
| 2024 Q4 | - | 7 |
| 2024 Q3 | - | - |
| 2024 Q2 | - | - |
ALKS Ownership FAQ
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