Merrimack Pharmaceuticals Inc Common / Ordinary Stock
Merrimack Pharmaceuticals Inc Common / Ordinary Stock is a security (CUSIP 590328209) tracked across SEC portfolio filings. 1 institutional managers reported positions on Form 13F as of 2026-06-30; 1 registered fund positions totaling n/a via N-PORT as of 2026-04-30.
Summary
- Issuer: Merrimack Pharmaceuticals Inc
- Class: Common / Ordinary Stock
- CUSIP: 590328209
- Asset category: EC
- 13F holders: 1
- 13F period: 2026-06-30
- N-PORT fund positions: 1
- N-PORT report: 2026-04-30
Top institutional holders (Form 13F)
| Manager | Location | Value | Shares |
|---|
| MASSMUTUAL TRUST CO FSB/ADV | Windsor, CT | — | 24,500 |
Top fund holders (N-PORT)
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