MERRIMACK PHARMACEUTICALS IN

Name: MACK 4.5 07/15/20 Institutional Ownership (13F)
Creator: 13F Insight

0 institutions still hold MERRIMACK PHARMACEUTICALS IN as of —. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 590328AA8·0 13F holders

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AI Holders Summary · —

0 institutions reported MACK 4.5 07/15/20 in —. Top-holder concentration data is loading.

No institutional holders on file yet.