Guru Ownership Trend
Guru Analysis for Amentum Holdings, Inc. (AMTM)
Amentum Holdings, Inc. (AMTM), a key player in the Industrials sector, continues to attract institutional attention.
As of Q3 2025, a total of 11 Super Investors (Gurus) hold positions in the company, with a combined stake valued at approximately $206.13 M.
Top institutional holders include Ruane Cunniff and Steven Cohen.
Institutional sentiment is currently Bullish. This is evidenced by a $31.3 M net inflow during the quarter.
Recent activity highlights Steven Cohen who increased their stake by 293.9%. Conversely, Cliff Asness reduced exposure by 52.8%.
| Portfolio Manager | % Portfolio | Activity | Shares | Value | Report Date |
|---|---|---|---|---|---|
| 0.96% | Reduce -0.7% | 2,423,748 | $58.05 M | Q3 2025 | |
| 0.06% | Add 293.9% | 1,380,992 | $33.07 M | Q3 2025 | |
| 0.11% | Add 35.7% | 454,500 | $10.89 M | Q3 2025 | |
| 0.13% | Reduce -33.3% | 407,417 | $9.76 M | Q3 2025 | |
| 0.02% | New Buy | 268,130 | $6.42 M | Q3 2025 | |
| 0.03% | New Buy | 244,826 | $5.86 M | Q3 2025 | |
| 0.00% | Reduce -52.8% | 165,205 | $3.96 M | Q3 2025 | |
| 0.02% | Reduce -8.3% | 99,643 | $2.39 M | Q3 2025 | |
| 1.39% | New Buy | 49,094 | $1.42 M | Q4 2025 | |
| 0.00% | New Buy | 49,133 | $1.18 M | Q3 2025 | |
| 0.00% | New Buy | 10,457 | $250,445 | Q3 2025 |
| Report Date | Portfolio Manager | Activity | Share Change | % Portfolio Change |
|---|
| Report Date | Portfolio Manager | Activity | Share Change | % Portfolio Change |
|---|
| Report Date | Portfolio Manager | Activity | Share Change | % Portfolio Change |
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| Portfolio Manager | Option Type | % Portfolio | Activity | Shares | Value | Report Date |
|---|
Key Holders
Top 5 by Value
Top 5 by Conviction
Recent Activity Breakdown (Q3 2025)
Guru Consensus (Q3 2025)
FAQs for Amentum Holdings, Inc. (AMTM)
Major holders include Ruane Cunniff ($58.05 M), Steven Cohen ($33.07 M), Chuck Royce ($10.89 M). According to the latest reported data, 11 tracked investment managers collectively hold approximately 5.55 M shares.
According to the latest 13F reporting period, sentiment appears Bullish (Net Buying). There was a net inflow of $31.3 M, with 6 managers increasing positions and 4 managers reducing holdings.
During the most recent reporting period, 4 managers trimmed their positions, while 0 fully exited AMTM. The total reported sell value was $9.96 M.
Yes, 4 managers opened new positions in AMTM, and 2 increased their existing holdings. The total reported buy value was $41.25 M.