We are live on ! Find out more
MACK

Merrimack Pharmaceuticals, Inc.

Delisted

MACK was delisted on the 17th of May, 2024.

Fund managers haven’t disclosed any holdings of MACK yet.

MACK Hedge Fund Activity: Q1 2025 in Review

1 of the 7,458 institutional investors tracked by Wall St. Rank reported a position in Merrimack Pharmaceuticals, Inc. (MACK) for Q1 2025, worth a combined $0 — down 100% from $371K a quarter earlier.

Sellers outnumbered buyers: 1 fund closed out of MACK and 0 opened new positions — a net loss of 1 holder — while 0 trimmed existing stakes and 0 added.

  • 1 institutional investor held Merrimack Pharmaceuticals, Inc. (MACK) as of Q1 2025, down from 2 in Q4 2024.
  • Funds reported $0 of Merrimack Pharmaceuticals, Inc. stock for Q1 2025, down 100% quarter-over-quarter.
  • 0 funds opened new Merrimack Pharmaceuticals, Inc. positions in Q1 2025 and 1 closed out, a net change of -1 holder.

Based on aggregated 13F filings for Q1 2025.