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Which hedge funds own AMTM? AMENTUM HOLDINGS INC, Q2 2026 13F holders

IndustrialsSpecialty Business Services

47 tracked hedge funds disclosed a position in AMTM (AMENTUM HOLDINGS INC) in their Q2 2026 13F filings, worth $416.5m in total. The largest holder by portfolio weight is Troluce Capital Advisors LLC at 27.6% of its book. 8 opened a new position this quarter: Feynman Point Asset Management LLC, Twinbeech Capital LP, Lecap Asset Management Ltd, ExodusPoint Capital Management, LP. 11 exited: Brightline Capital Management, LLC, Hyperion Capital Advisors LP, Cooper Creek Partners Management LLC.

47
Holders
Tracked managers whose filing for the quarter reports a long equity position in the security.
8
New this quarter
Holders whose previous filing (at most two quarters earlier) did not report the security.
11
Exited this quarter
Tracked managers whose previous filing reported the security and whose filing for the quarter does not.
$8.5m
Inflow, new holders
Combined value of the positions the new holders reported for the quarter.
$75.6m
Outflow, exits
Combined value the exiting managers reported for the security in their previous filing.
$416m
Combined value
Sum of the holders' reported positions in the security.
3.8%
Share of managers holding
Holders as a share of tracked managers filing for that quarter. Comparable across the 2024 coverage expansion, where the raw holder count is not.

Holders, Q2 2026

47 rows
Troluce Capital Advisors LLC Hedge fund27.6%$73.7m3.57m+257%added
Segra Capital Management, LLC Hedge fund9.7%$42.1m2.04m+26%added
Grizzlyrock Capital, LLC Hedge fund4.6%$6.6m318,363+10%added
Permian Investment Partners, LP Hedge fund3.4%$29.6m1.43m−8.5%reduced
AWH Capital, L.P. Hedge fund3.3%$4.9m235,2500.0%held
683 Capital Management, LLC Hedge fund2.1%$22.7m1.10m+42%added
Arvin Capital Management LP Hedge fund1.6%$8.6m416,705−80%reduced
Soviero Asset Management, LP Hedge fund1.5%$3.1m150,000−38%reduced
Feynman Point Asset Management LLC Hedge fund0.9%$498k24,075–new
Hel Ved Capital Management Ltd Hedge fund0.6%$4.4m214,000+20%added
Twinbeech Capital LP Hedge fund0.4%$2.1m99,727–new
CenterBook Partners LP Hedge fund0.3%$6.8m328,766+129%added
Kerrisdale Advisers, LLC Hedge fund0.3%$1.2m59,845+105%added
Atom Investors LP Hedge fund0.3%$3.3m160,876+605%added
Verition Fund Management LLC Hedge fund0.3%$41.7m2.02m+56%added
Fox Run Management, L.L.C. Hedge fund0.2%$1.2m56,706+67%added
Ruane, Cunniff & Goldfarb (Sequoia Fund) Long-only investor0.2%$11.1m537,213−67%reduced
Moore Capital Management, LP Hedge fund0.2%$7.5m365,096−58%reduced
Boothbay Fund Management, LLC Hedge fund0.1%$8.0m387,973+350%added
Wexford Capital LP Hedge fund0.1%$989k47,870+35%added
Lecap Asset Management Ltd Hedge fund0.09%$214k10,370–new
Old West Investment Management, LLC Hedge fund0.07%$680k32,875+51%added
Machina Capital S.A.S. Hedge fund0.05%$345k16,681+101%added
Brevan Howard Capital Management LP Hedge fund0.05%$3.5m167,354+117%added
Caption Management, LLC Hedge fund0.05%$1.3m64,000+195%added
ExodusPoint Capital Management, LP Hedge fund0.04%$4.7m226,289–new
111 Capital Hedge fund0.04%$243k11,779–new
Entropy Technologies, LP Hedge fund0.03%$874k42,286+57%added
Soros Fund Management Family office0.03%$2.4m118,276+9.9%added
Millennium Management LLC Hedge fund0.03%$44.0m2.13m+237%added
Qube Research & Technologies Ltd Hedge fund0.02%$21.4m1.03m+1237%added
Point72 Asset Management, L.P. Hedge fund0.02%$13.4m649,984−60%reduced
Wolverine Asset Management LLC Hedge fund0.01%$1.1m51,9420.0%held
Cinctive Capital Management LP Hedge fund0.01%$207k10,000–new
Citadel Advisors LLC Hedge fund0.01%$13.9m670,684+732%added
Jain Global LLC Hedge fund0.01%$569k27,519–new
Two Sigma Investments, LP Hedge fund0.0%$5.9m284,268−68%reduced
AQR Capital Management LLC Hedge fund0.0%$12.4m601,900+19%added
Holocene Advisors, LP Hedge fund0.0%$1.8m89,037−28%reduced
Bridgewater Associates, LP Hedge fund0.0%$976k47,223+177%added
Balyasny Asset Management L.P. Hedge fund0.0%$1.8m85,389+365%added
D. E. Shaw & Co., Inc. Hedge fund0.0%$4.0m191,488+189%added
Walleye Capital LLC Hedge fund0.0%$286k13,836+262%added
First Manhattan Long-only investor0.0%$294k14,242+0.9%added
Elequin Capital, LP Hedge fund0.0%$17.2k833–new
Quarry LP Hedge fund0.0%$2.9k139−95%reduced
CVA Family Office, LLC Family office0.0%$2.7k131+90%added