Amentum Holdings, Inc. | AMTM | NYSE | Latest report: February 27, 2026
Amentum Holdings, Inc. (AMTM) reported short interest of 9,780,372 shares for the settlement date of February 27, 2026. The prior report showed 9,028,792 shares. That was a change of 751.6K shares, while the latest days-to-cover reading came in at 5.52 using reported average daily volume of 1.8M.
This page tracks 33 reported short interest entries for AMTM from September 30, 2024 through February 27, 2026. Over that period, reported short interest ranged from 376.1K to 10.0M shares.
Reported short interest can change for many reasons, including shifts in sentiment, trading activity, and company-specific events.
Extreme edge-case readings may reflect unusually low reported average volume.
| Settlement Date | Short Interest | Prior Short Interest | Change Shares | Change % | Average Daily Volume | Days to Cover |
|---|---|---|---|---|---|---|
| February 27, 2026 | 9,780,372 | 9,028,792 | 751.6K | +8.3% | 1.8M | 5.52 |
| February 13, 2026 | 9,028,792 | 8,360,229 | 668.6K | +8.0% | 3.4M | 2.64 |
| January 30, 2026 | 8,360,229 | 8,306,755 | 53.5K | +0.6% | 1.8M | 4.6 |
| January 15, 2026 | 8,306,755 | 7,043,142 | 1.3M | +17.9% | 2.0M | 4.19 |
| December 31, 2025 | 7,043,142 | 7,000,683 | 42.5K | +0.6% | 1.6M | 4.53 |
| December 15, 2025 | 7,000,683 | 9,555,161 | -2.6M | -26.7% | 2.6M | 2.74 |
| November 28, 2025 | 9,555,161 | 7,519,724 | 2.0M | +27.1% | 4.4M | 2.16 |
| November 14, 2025 | 7,519,724 | 9,745,819 | -2.2M | -22.8% | 1.3M | 5.97 |
| October 31, 2025 | 9,745,819 | 9,431,953 | 313.9K | +3.3% | 1.2M | 8.01 |
| October 15, 2025 | 9,431,953 | 9,562,783 | -130.8K | -1.4% | 1.8M | 5.1 |
| September 15, 2025 | 8,548,141 | 9,263,705 | -715.6K | -7.7% | 1.4M | 6.1 |
| August 29, 2025 | 9,263,705 | 8,110,353 | 1.2M | +14.2% | 1.2M | 7.44 |
| August 15, 2025 | 8,110,353 | 7,431,510 | 678.8K | +9.1% | 1.7M | 4.8 |
| July 31, 2025 | 7,431,510 | 9,170,999 | -1.7M | -19.0% | 1.6M | 4.58 |
| July 15, 2025 | 9,170,999 | 8,707,396 | 463.6K | +5.3% | 1.4M | 6.59 |
| June 30, 2025 | 8,707,396 | 9,968,475 | -1.3M | -12.7% | 2.1M | 4.11 |
| June 13, 2025 | 9,968,475 | 9,021,099 | 947.4K | +10.5% | 3.1M | 3.17 |
| May 30, 2025 | 9,021,099 | 8,526,543 | 494.6K | +5.8% | 2.2M | 4.08 |
| May 15, 2025 | 8,526,543 | 8,766,489 | -239.9K | -2.7% | 2.1M | 4.11 |
| April 30, 2025 | 8,766,489 | 8,975,648 | -209.2K | -2.3% | 2.1M | 4.22 |
| April 15, 2025 | 8,975,648 | 9,879,663 | -904.0K | -9.2% | 2.8M | 3.15 |
| March 31, 2025 | 9,879,663 | 8,869,603 | 1.0M | +11.4% | 2.6M | 3.74 |
| February 28, 2025 | 9,578,485 | 8,965,362 | 613.1K | +6.8% | 1.9M | 5.03 |
| February 14, 2025 | 8,965,362 | 8,190,515 | 774.8K | +9.5% | 2.2M | 4.04 |
| January 31, 2025 | 8,190,515 | 8,397,191 | -206.7K | -2.5% | 2.1M | 3.97 |
| January 15, 2025 | 8,397,191 | 7,108,058 | 1.3M | +18.1% | 2.6M | 3.17 |
| December 31, 2024 | 7,108,058 | 4,512,889 | 2.6M | +57.5% | 6.5M | 1.09 |
| December 13, 2024 | 4,512,889 | 3,342,397 | 1.2M | +35.0% | 1.7M | 2.6 |
| November 29, 2024 | 3,342,397 | 2,264,664 | 1.1M | +47.6% | 2.0M | 1.64 |
| November 15, 2024 | 2,264,664 | 2,658,229 | -393.6K | -14.8% | 1.4M | 1.59 |
| October 31, 2024 | 2,658,229 | 2,889,211 | -231.0K | -8.0% | 1.7M | 1.58 |
| October 15, 2024 | 2,889,211 | 376,113 | 2.5M | +668.2% | 4.6M | 1 |
| September 30, 2024 | 376,113 | 0 | 376.1K | +100.0% | 1.7M | 1 |