Alkermes
ALKS
424 hedge funds and large institutions have $9.32B invested in Alkermes in 2026 Q2 according to their latest regulatory filings, with 90 funds opening new positions, 140 increasing their positions, 137 reducing their positions, and 51 closing their positions.
267% more funds holding in top 10
Funds holding in top 10: 3 → 11 (+8)
76% more first-time investments, than exits
New positions opened: 90 | Existing positions closed: 51
50% more capital invested
Capital invested by funds: $6.21B → $9.32B (+$3.1B)
30% more call options, than puts
Call options by funds: $63.1M | Put options by funds: $48.6M
9% more funds holding
Funds holding: 390 → 424 (+34)
2% more repeat investments, than reductions
Existing positions increased: 140 | Existing positions reduced: 137
0.82% more ownership
Funds ownership: 105.93% → 106.75% (+0.82%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
T. Rowe Price Associates
Baltimore,
Maryland
|
+$80.9M |
| 2 |
Adage Capital Partners
Boston,
Massachusetts
|
+$53.4M |
| 3 |
BCLSI
Bain Capital Life Sciences Investors
Boston,
Massachusetts
|
+$51.9M |
| 4 |
Holocene Advisors
New York
|
+$50.2M |
| 5 |
Franklin Resources
San Mateo,
California
|
+$38.6M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
JP Morgan Chase
New York
|
-$150M |
| 2 |
American Century Companies
Kansas City,
Missouri
|
-$82.7M |
| 3 |
CC
Commodore Capital
New York
|
-$46.9M |
| 4 |
ACA
Avoro Capital Advisors
New York
|
-$42.4M |
| 5 |
SCM
Soleus Capital Management
Greenwich,
Connecticut
|
-$36.8M |
ALKS Hedge Fund Activity: Q2 2026 in Review
424 of the 8,300 institutional investors tracked by Wall St. Rank reported a position in Alkermes (ALKS) for Q2 2026, worth a combined $9.32B — up 50% from $6.21B a quarter earlier.
Buyers outnumbered sellers: 90 funds opened new ALKS positions and 51 closed out — a net gain of 39 holders — while 140 added to existing stakes and 137 trimmed.
The largest buyer was T. Rowe Price Associates, adding an estimated $80.9M. The largest seller was JP Morgan Chase, cutting an estimated $150M.
- 424 institutional investors held Alkermes (ALKS) as of Q2 2026, up from 390 in Q1 2026.
- Funds reported $9.32B of Alkermes stock for Q2 2026, up 50% quarter-over-quarter.
- 90 funds opened new Alkermes positions in Q2 2026 and 51 closed out, a net change of +39 holders.
- The largest Alkermes buyer in Q2 2026 was T. Rowe Price Associates, an estimated $80.9M added.
- The largest Alkermes seller in Q2 2026 was JP Morgan Chase, an estimated $150M sold.
Based on aggregated 13F filings for Q2 2026.