AMTM — AMENTUM HOLDINGS INC

Ownership history in HRT FINANCIAL LP  ·  1 quarter on record

This page tracks every 13F SEC filing in which HRT FINANCIAL LP reported a position in AMENTUM HOLDINGS INC (AMTM). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.

Peak position
0.02% (2025 Q3)
Avg. % of fund
0.02%
First filed
2025 Q3
Last filed
2025 Q3
Quarters held
1
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q3 INITIATED 186,223 — — 0.02% $4.5M $23.95
% of Fund (quarterly)    AMTM price (monthly, adj. close)

Other funds also holding AMTM

As of 2025 Q4 — sorted by position size

AMERICAN SECURITIES LLC 3Y 7Y 100.0% BRIGHTLINE CAPITAL MANAGEMENT, LLC 3Y 7Y 16.32% SEGRA CAPITAL MANAGEMENT, LLC 3Y 12.43% Arvin Capital Management LP 8.94% Hyperion Capital Advisors LP 3Y 6.98% AWH Capital, L.P. 3Y 7Y 6.29% GRIZZLYROCK CAPITAL, LLC 6.19% AVENIR CORP 3Y 7Y 2.68% Soviero Asset Management, LP 3Y 2.47% COOPER CREEK PARTNERS MANAGEMENT LLC 3Y 7Y 2.03%
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