Amentum Holdings, Inc. (AMTM)
- Sector
- Professional Services
- Last price
- $21.69
- As of
Kresmion compiles this page from AMTM's SEC filings, its 13F institutional holders and the market events Kresmion detects, each linked to its source.
Amentum Holdings, Inc. (AMTM): 7 institutional managers tracked by Kresmion reported non-option positions in their 2026Q2 Form 13F filings, and the most recent SEC filing on record for the company is a Form 8-K filed 2026-10-02.
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Preview the AMTM dossierActive events for AMTM
- high13F: funds reduced
3 tracked funds reduced AMTM this 2026Q2, institutional consensus
- high13F: funds added
4 tracked funds increased AMTM this 2026Q2, institutional consensus
- mediumEarnings above estimates
Q3-2026: Beat consensus by 7.5%, EPS $0.67 vs $0.6233 estimate
- high13F: large increase
CITADEL ADVISORS LLC added +274% to AMTM (2026Q2)
- high13F: large reduction
Point72 Asset Management, L.P. cut 60% of AMTM (2026Q2)
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Every event on AMTM, as it fires
You are seeing 5 of 15 events recorded on AMTM since 2026-07-24.
The five above landed across 3 days. The other 10 were recorded on 1 other days. 11 of the 15 are institutional flow rows, which arrive in batches on filing days.
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Largest reported share positions in AMTM (2026Q2)
| Manager / security | Market value | % portfolio | QoQ |
|---|---|---|---|
| MILLENNIUM MANAGEMENT LLCCUSIP 023939101 · 2026Q2 | $44M | 0.02% | , |
| CITADEL ADVISORS LLCCUSIP 023939101 · 2026Q2 | $13.9M | 0.00% | , |
| Point72 Asset Management, L.P.CUSIP 023939101 · 2026Q2 | $13.4M | 0.01% | , |
| TWO SIGMA INVESTMENTS, LPCUSIP 023939101 · 2026Q2 | $5.9M | 0.00% | , |
| D. E. Shaw & Co., Inc.CUSIP 023939101 · 2026Q2 | $4M | 0.00% | , |
| SOROS FUND MANAGEMENT LLCCUSIP 023939101 · 2026Q2 | $2.4M | 0.03% | , |
| Bridgewater Associates, LPCUSIP 023939101 · 2026Q2 | $976K | 0.00% | , |
Quarterly SEC Form 13F disclosures from the managers Kresmion tracks, not a complete ownership ranking. Non-option holdings only; reported put and call positions are excluded. Different securities are labeled by CUSIP. Values are reporting-period snapshots, not current position values. Filings can arrive up to 45 days after quarter-end.
Recent SEC filings, AMTM
- 8-KSEC EDGAR ↗
- 10-QSEC EDGAR ↗
- 8-KSEC EDGAR ↗
- 10-QSEC EDGAR ↗
- 8-KSEC EDGAR ↗
- 8-KSEC EDGAR ↗
- 10-QSEC EDGAR ↗
- 8-KSEC EDGAR ↗
- 8-KSEC EDGAR ↗
- 10-KSEC EDGAR ↗
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