Acumen Pharmaceuticals, Inc. · NASDAQ:ABOS

Ra Capital Management, L.P. reported a 29.50% stake in Acumen Pharmaceuticals, Inc. (Schedule 13D/A)

Event Mar 13, 2026 · Filed Mar 17, 2026

Ra Capital Management, L.P. reported a 29.50% stake in Acumen Pharmaceuticals, Inc., 21,101,669 shares, with active intent on Mar 13, 2026. Filed Mar 17, 2026 (Schedule 13D/A).

Stake
29.50%
Shares
21,101,669
Intent
Active
What changed
Stake changed
Filed together
4 holders

The filing in full

HolderStakeShares
RA Capital Management, L.P.29.50%21,101,669
Peter Kolchinsky29.50%21,101,669
Rajeev Shah29.50%21,101,669
RA Capital Healthcare Fund, L.P.26.80%19,103,785

Source

View original at SEC

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