Fund shareholders of Amentum Holdings Inc
ISIN US0239391016 · United States · LEI 2549009FJIBLW40CU216
- Fund shareholders
- 303
- Of which ETFs
- 86 217 other funds
- Value held
- ≈ 1.7B $ 1.7B $ · 16.5K €
- Share of capital
- 32.1 % of 244.5M shares on Aug 7, 2026
303 funds hold this company. This table lists the 302 that declare it in a regulatory filing. 1 more fund publishes its holdings in its own report. The “Fund reports” tab lists it, with its weight.
| Fund | Shares | Value | Weight in fund | Share of capital | |
|---|---|---|---|---|---|
| U.S. Large Cap Equity Portfolio DFA INVESTMENT DIMENSIONS GROUP INC | 1 | 22.2 $ | 0.00 % | as of Jul 31, 2026 ↗ | |
| PRIVACLAR, SICAV S.A. ANDBANK WEALTH MANAGEMENT, SGIIC, S.A.U. | 16.5K € | 0.26 % | as of Dec 31, 2025 ↗ |
Funds that publish their own holdings
| Fund | Weight in fund | |
|---|---|---|
| Fidelity Funds - America Fund FIL Investment Management (Luxembourg) S.A. | 0.61 % | as of Apr 30, 2025 ↗ |
The funds most exposed to it
The weight is the share of a fund's net assets. The holders table ranks funds by number of shares. This one ranks them by the weight of the company in each fund.
| Fund | Weight in fund | |
|---|---|---|
| Tortoise Nuclear Renaissance ETF Tortoise Capital Series Trust | 4.14 % | as of May 31, 2026 ↗ |
| Tuttle Capital UFO Disclosure ETF ETF Opportunities Trust | 3.69 % | as of Jun 30, 2026 ↗ |
| Ancora/Thelen Small-Mid Cap Fund ANCORA TRUST | 1.98 % | as of Jun 30, 2026 ↗ |
| Invesco S&P Spin-Off ETF Invesco Exchange-Traded Fund Trust | 1.82 % | as of Jul 31, 2026 ↗ |
| AMG Frontier Small Cap Growth Fund AMG Funds I | 1.55 % | as of Jul 31, 2026 ↗ |
| Transamerica Mid Cap Value Opportunities TRANSAMERICA FUNDS | 1.54 % | as of Jul 31, 2026 ↗ |
| Nuveen Small/Mid Cap Value Fund Nuveen Investment Trust | 1.43 % | as of Jun 30, 2026 ↗ |
| Transamerica TSW Mid Cap Value Opportunities VP TRANSAMERICA SERIES TRUST | 1.43 % | as of Jun 30, 2026 ↗ |
| Keeley Gabelli SMID Cap Value Fund Keeley Funds, Inc. | 1.39 % | as of Jun 30, 2026 ↗ |
| Formidable ETF ETF Opportunities Trust | 1.37 % | as of Jun 30, 2026 ↗ |
Quarter after quarter
Each row is one quarter of SEC filings, newest first. The change compares each quarter with the one before.
| Quarter | Shareholders | Change | Shares | Change |
|---|---|---|---|---|
| 2026Q3 | 301 | -5 | 78,429,545 | +3.7 % |
| 2026Q2 | 306 | -8 | 75,640,338 | +6.2 % |
| 2026Q1 | 314 | -11 | 71,216,401 | +1.7 % |
| 2025Q4 | 325 | -81 | 70,014,400 | +1.5 % |
| 2025Q3 | 406 | +153 | 68,972,025 | +8.1 % |
| 2025Q2 | 253 | -39 | 63,813,206 | +7.1 % |
| 2025Q1 | 292 | -130 | 59,571,521 | +19.7 % |
| 2024Q4 | 422 | 49,785,940 |
Institutional managers
477 managers declare this company to the SEC (Form 13F). The table shows the 25 largest.
| Manager | Shares | Value | |
|---|---|---|---|
| AMERICAN SECURITIES LLC | 45,026,743 | 1.2B $ | as of Mar 31, 2026 |
| Invesco Ltd. | 21,473,778 | 560M $ | as of Mar 31, 2026 |
| BlackRock, Inc. | 17,841,283 | 465.3M $ | as of Mar 31, 2026 |
| PRIMECAP MANAGEMENT CO/CA/ | 12,085,294 | 315.2M $ | as of Mar 31, 2026 |
| Legacy Advisors, LLC | 9,064,278 | 9.1M $ | as of Mar 31, 2026 |
| FMR LLC | 5,578,386 | 145.5M $ | as of Mar 31, 2026 |
| STATE STREET CORP | 5,079,041 | 132.5M $ | as of Mar 31, 2026 |
| FRONTIER CAPITAL MANAGEMENT CO LLC | 4,930,210 | 128.6M $ | as of Mar 31, 2026 |
| DIMENSIONAL FUND ADVISORS LP | 3,787,420 | 98.8M $ | as of Mar 31, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | 2,814,415 | 73.4M $ | as of Mar 31, 2026 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 2,785,134 | 72.6M $ | as of Mar 31, 2026 |
| Focus Partners Wealth | 2,604,911 | 67.9M $ | as of Mar 31, 2026 |
| BANK OF AMERICA CORP /DE/ | 2,405,041 | 62.7M $ | as of Mar 31, 2026 |
| MORGAN STANLEY | 2,234,913 | 58.3M $ | as of Mar 31, 2026 |
| Thrivent Financial for Lutherans | 2,100,457 | 54.8K $ | as of Mar 31, 2026 |
| Arvin Capital Management LP | 2,071,200 | 54M $ | as of Mar 31, 2026 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 2,067,930 | 53.9M $ | as of Mar 31, 2026 |
| UBS Group AG | 1,710,775 | 44.6M $ | as of Mar 31, 2026 |
| Point72 Asset Management, L.P. | 1,630,563 | 42.5M $ | as of Mar 31, 2026 |
| Ruane, Cunniff & Goldfarb L.P. | 1,622,982 | 42.3M $ | as of Mar 31, 2026 |
| SEGRA CAPITAL MANAGEMENT, LLC | 1,612,726 | 42.1M $ | as of Mar 31, 2026 |
| Permian Investment Partners, LP | 1,567,000 | 40.9M $ | as of Mar 31, 2026 |
| TORONTO DOMINION BANK | 1,565,223 | 40.8M $ | as of Mar 31, 2026 |
| THOMPSON SIEGEL & WALMSLEY LLC | 1,525,884 | 39.8K $ | as of Mar 31, 2026 |
| BRIGHTLINE CAPITAL MANAGEMENT, LLC | 1,396,000 | 36.4M $ | as of Mar 31, 2026 |
Declared shareholders of Amentum Holdings Inc
There is 1 beneficial ownership filing. These stakes do not add up. An asset manager that files includes its own funds, which already appear among the funds on this page.
| Shareholder | Declared stake | Shares | |
|---|---|---|---|
| PRIMECAP MANAGEMENT CO/CA/ | 5.03 % | 12,285,504 | as of Jun 30, 2026 · SCHEDULE 13G |
Funds holding the debt of Amentum Holdings Inc
156 funds declare 158 bond lines of this company. The table shows the 25 largest holdings. The amount is the one the fund files. It is not a share of the debt, because no regulator publishes the amount outstanding in open access.
Cite this page
Titelia. "Fund shareholders of Amentum Holdings Inc". https://titelia.com/en/stocks/amentum-holdings-inc-US0239391016