SEC 13F Intelligence

Cooper Creek Partners Management LLC / AMTM

Cooper Creek Partners Management LLC’s Amentum Holdings Inc Position

Does Cooper Creek Partners Management LLC own Amentum Holdings Inc (AMTM)? Yes — 929.3K shares worth $24M (+0.83% of its 13F portfolio) as of Q1 2026, down from 1.55M shares the prior filed quarter.

Position Value
$24M
Q1 2026
Shares
929.3K
% of Portfolio
+0.83%
Quarters Held
5
currently held

Position History AMTM

Reported value by quarter
Q3 ’24: $27MQ3 ’24Q4 ’24: $87MQ4 ’24Q1 ’25: $22MQ1 ’25Q4 ’25: $45MQ4 ’25Q1 ’26: $24MQ1 ’26filingsflow.com
QuarterSharesValue% of Portfolio
Q1 2026929.3K$24M+0.83%
Q4 20251.55M$45M+2.03%
Q1 20251.22M$22M+0.68%
Q4 20244.16M$87M+2.70%
Q3 2024837.7K$27M+0.74%

Common-stock position only; options are excluded. Quarters where the fund filed no 13F or reported no position are absent. See Cooper Creek Partners Management LLC’s full portfolio or all institutional holders of AMTM.