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MILLENNIUM MANAGEMENT LLC

Position in AMTM — Amentum Holdings, Inc.

CIK 1273087 NEW YORK, NY

Position in AMTM

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$16,457,914
+$14,683,491 QoQ
Shares Held
631,055
+931.4% QoQ
Ownership
0.258%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Sep 2024
7 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in AMTM Over Time

Shares Held

Position Value (USD)

Position in Specialty Business Services

Industrials · as of Mar 31, 2026

MILLENNIUM MANAGEMENT LLC holds $677,488,940 across 25 Specialty Business Services names. AMTM ranks #9 (2.4% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in AMTM

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7 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $16,457,914 631,055
2025-12-31 $1,774,423 61,187
2025-09-30 $15,347,136 640,799
2025-06-30 $110,169,336 4,666,215
2025-03-31 $36,614,614 2,011,792
2024-12-31 $25,163,951 1,196,574
2024-09-30 $21,664,485 671,767