8 institutions reported holding $3.0M of ALKERMES PLC SHS (ALKS) in SEC 13F filings for 2026-06-30. Largest institutional holders: Hennion & Walsh Asset Management, Inc. ($2.5M), GAMMA Investing LLC ($351,309), HARBOR INVESTMENT ADVISORY, LLC ($81,527), Versant Capital Management, Inc ($75,711), MassMutual Private Wealth & Trust, FSB ($13,570). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Hennion & Walsh Asset Management, Inc. | $2.5M | 47,317 | New |
| 2 | GAMMA Investing LLC | $351,309 | 6,705 | Added |
| 3 | HARBOR INVESTMENT ADVISORY, LLC | $81,527 | 1,556 | New |
| 4 | Versant Capital Management, Inc | $75,711 | 1,445 | Added |
| 5 | MassMutual Private Wealth & Trust, FSB | $13,570 | 259 | Trimmed |
| 6 | Noble Wealth Management PBC | $1,205 | 23 | New |
| 7 | Cedar Mountain Advisors, LLC | $419 | 8 | New |
| 8 | Assenagon Asset Management S.A. | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30