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Of the 13 tracked institutions holding AMTM, 7 have a 3-year clone track record — 6 of them beat the S&P. Average holder's clone alpha: +5.4pt. It's a gauge of who owns the name, not just how many.
Among the 13 tracked institutional investors we monitor, AMTM (AMENTUM HOLDINGS INC) is held with a combined value of $1.29B across 47,597,841 shares. The largest holder is BlackRock, Inc. with a position worth $465.30M. MAVERICK CAPITAL LTD opened a new position in the most recent quarter. 6 funds increased their holdings. 6 funds reduced their position.
Total Institutional Value
$1.29B
Total Shares Held
47,597,841
Institutional Holders
13
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | BlackRock, Inc. | $465.30M | 0.01% | +2.2% |
| 2 | VANGUARD GROUP INC | $446.94M | 0.01% | -0.9% |
| 3 | FMR LLC | $145.48M | 0.01% | -16.8% |
| 4 | STATE STREET CORP | $132.46M | 0.00% | +0.3% |
| 5 | Point72 Asset Management, L.P. | $42.53M | 0.07% | +134.5% |
| 6 | MILLENNIUM MANAGEMENT LLC | $16.46M | 0.01% | +931.4% |
| 7 | Gotham Asset Management, LLC | $13.59M | 0.04% | -18.0% |
| 8 | AQR CAPITAL MANAGEMENT LLC | $13.17M | 0.01% | -65.0% |
| 9 | PRICE T ROWE ASSOCIATES INC /MD/ | $3.79M | 0.00% | +12.2% |
| 10 | SOROS FUND MANAGEMENT LLC | $2.81M | 0.03% | -1.6% |
| Member | Type | Date |
|---|---|---|
| William R. Keating | Sell | Oct 31, 2024 |
| Thomas H. Jr. Kean | exchange | Sep 30, 2024 |
As of the latest SEC 13F filings, BlackRock, Inc. is the largest institutional holder of AMTM with a position worth $465.30M, representing 0.01% of their portfolio. In total, 13 institutional investors hold AMTM with a combined value of $1.29B.
In the most recent quarter, 1 fund opened a new position in AMTM. Additionally, 6 increased their holdings and 6 reduced their positions.
Institutional investors hold $1.29B worth of AMTM stock across 13 positions. The largest institutional holder is BlackRock, Inc. with $465.30M in holdings.
A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For AMTM, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their AMTM positions.
Alpha = the manager's 3-year clone return minus the S&P 500. A skilled roster is a stronger tell than a crowded one — though even skilled managers' edge doesn't reliably survive the 13F disclosure lag. Why →
Last Close
$22.98
2026-07-27
YTD
-24.6%
17% of 52-week range
