Cinctive Capital Management LP

Position in AMTM — Amentum Holdings, Inc.

CIK 1787258 New York, NY

Back to AMTM Full portfolio

Position in AMTM

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$206,700

-$1,708,817 QoQ

Shares Held

10,000

-89.0% QoQ

Ownership

0.004%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

#262

of 458 holders

Holding Since

Dec 2024

2 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Common Shares in AMTM Over Time

Shares Held

Position Value (USD)

Derivatives in AMTM

reported options exposure · as of Dec 31, 2024

CallValue

$1,051,500

CallShares

50,000

PutValue

PutShares

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Specialty Business Services

Industrials · as of Jun 30, 2026

Cinctive Capital Management LP holds $22,873,983 across 4 Specialty Business Services names. AMTM ranks #4 (0.9% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	RBA	Rb Global Inc.	152,133	$17,715,887
2	GPN	Global Payments Inc	60,541	$4,392,854
3	CTAS	Cintas Corp	3,284	$558,542
4	AMTM	Amentum Holdings, Inc. This page	10,000	$206,700

All Filings in AMTM

Export CSV

3 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$206,700	10,000	-89.0%	Shares	Sole	2026-08-14
2024-12-31	$1,051,500	50,000	—	Call	Sole	2025-02-12
2024-12-31	$1,915,517	91,085	—	Shares	Sole	2025-02-12
No filing history on record for this holder in this stock.