- Type / Class
- Equity / Common Stock
- Shares outstanding
- 242,870,683
- Total 13F shares
- 189,918,108
- Share change
- +24,843,680
- Total reported value
- $3,456,762,603
- Put/Call ratio
- 72%
- Price per share
- $18.20
- Number of holders
- 410
- Value change
- +$424,243,410
- Number of buys
- 179
- Number of sells
- 242
Quarterly Holders Quick Answers
What is CUSIP 023939101?
CUSIP 023939101 identifies AMTM - Amentum Holdings, Inc. - Common Stock in SEC institutional holdings data.
Need full ownership history?
Open the full security ownership history page.
Next holder-history checks
These links keep the next click tied to holder verification, nearby quarters, or outside-13F ownership context.
- Back to full security ownership history for the broader multi-quarter picture.
- Latest 13F filings for newly reported positions across managers.
- Latest Schedule 13D/13G reports for ownership changes outside the 13F cadence.
- SEC investors directory for manager drilldown.
Explore More Reporting Periods
Jump to adjacent filing periods for faster comparison and easier crawl discovery.
Recent filing periods for CUSIP 023939101:
Top shareholders of AMTM - Amentum Holdings, Inc. - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| Alan E. Goldberg |
13D/G
|
— |
18%
|
43,893,904
|
$974,005,730 | $0 | 17 Dec 2024 | |
| ASP Manager Corp. |
13D/G
3/4/5
|
10%+ Owner |
18%
|
43,893,904
|
$974,005,730 | $0 | 17 Dec 2024 | |
| AMERICAN SECURITIES LLC |
13F
|
Company |
18%
|
43,893,904
|
$923,088,801 | — | 31 Dec 2024 | |
| ASP Amentum Investco LP |
3/4/5
|
10%+ Owner |
—
class O/S missing
|
43,893,904
|
$913,300,461 | — | 17 Dec 2024 | |
| BlackRock, Inc. |
13D/G
13F
|
Company |
6.9%
|
16,774,241
|
$372,220,408 | $0 | 31 Dec 2024 | |
| VANGUARD GROUP INC |
13F
|
Company |
6.8%
|
16,542,447
|
$347,887,660 | — | 31 Dec 2024 | |
| Invesco Ltd. |
13F
|
Company |
5.7%
|
13,856,239
|
$291,396,707 | — | 31 Dec 2024 | |
| STATE STREET CORP |
13F
|
Company |
2.7%
|
6,454,253
|
$135,732,941 | — | 31 Dec 2024 | |
| PRIMECAP MANAGEMENT CO/CA/ |
13F
|
Company |
2.6%
|
6,414,379
|
$134,894,391 | — | 31 Dec 2024 | |
| COOPER CREEK PARTNERS MANAGEMENT LLC |
13F
|
Company |
1.7%
|
4,157,034
|
$87,422,000 | — | 31 Dec 2024 | |
| Kovitz Investment Group Partners, LLC |
13F
|
Company |
1.3%
|
3,152,262
|
$66,292,064 | — | 31 Dec 2024 | |
| Allspring Global Investments Holdings, LLC |
13F
|
Company |
1%
|
2,420,967
|
$52,429,675 | — | 31 Dec 2024 | |
| Ruane, Cunniff & Goldfarb L.P. |
13F
|
Company |
1%
|
2,436,294
|
$51,235,263 | — | 31 Dec 2024 | |
| FMR LLC |
13F
|
Company |
0.99%
|
2,395,053
|
$50,367,953 | — | 31 Dec 2024 | |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
|
Company |
0.96%
|
2,333,221
|
$49,067,637 | — | 31 Dec 2024 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.81%
|
1,963,248
|
$41,300,978 | — | 31 Dec 2024 | |
| THOMPSON SIEGEL & WALMSLEY LLC |
13F
|
Company |
0.8%
|
1,948,684
|
$40,981,000 | — | 31 Dec 2024 | |
| FIL Ltd |
13F
|
Company |
0.74%
|
1,793,553
|
$37,718,420 | — | 31 Dec 2024 | |
| THRIVENT FINANCIAL FOR LUTHERANS |
13F
|
Company |
0.66%
|
1,611,796
|
$33,896,000 | — | 31 Dec 2024 | |
| MORGAN STANLEY |
13F
|
Company |
0.61%
|
1,482,521
|
$31,177,470 | — | 31 Dec 2024 | |
| NORGES BANK |
13F
|
Company |
0.59%
|
1,440,127
|
$30,285,871 | — | 31 Dec 2024 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.52%
|
1,264,257
|
$26,587,325 | — | 31 Dec 2024 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
0.49%
|
1,196,574
|
$25,163,951 | — | 31 Dec 2024 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
0.48%
|
1,154,130
|
$24,283,739 | — | 31 Dec 2024 | |
| VAN ECK ASSOCIATES CORP |
13F
|
Company |
0.47%
|
1,132,285
|
$23,812,000 | — | 31 Dec 2024 | |
| UBS Group AG |
13F
|
Company |
0.47%
|
1,131,744
|
$23,800,576 | — | 31 Dec 2024 | |
| Castalian Partners, LLC |
13F
|
Company |
0.41%
|
1,000,000
|
$21,030,000 | — | 31 Dec 2024 | |
| Arvin Capital Management LP |
13F
|
Company |
0.4%
|
965,197
|
$20,298,093 | — | 31 Dec 2024 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP |
13F
|
Company |
0.36%
|
876,361
|
$18,429,872 | — | 31 Dec 2024 | |
| CACTI ASSET MANAGEMENT LLC |
13F
|
Company |
0.34%
|
824,464
|
$18,385,547 | — | 31 Dec 2024 | |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. |
13F
|
Company |
0.36%
|
869,596
|
$18,288,362 | — | 31 Dec 2024 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.35%
|
842,219
|
$17,711,866 | — | 31 Dec 2024 | |
| Kopernik Global Investors, LLC |
13F
|
Company |
0.32%
|
765,982
|
$16,108,601 | — | 31 Dec 2024 | |
| Legal & General Group Plc |
13F
|
Company |
0.28%
|
678,103
|
$14,260,508 | — | 31 Dec 2024 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.27%
|
651,314
|
$13,697,138 | — | 31 Dec 2024 | |
| CI INVESTMENTS INC. |
13F
|
Company |
0.26%
|
643,115
|
$13,525,000 | — | 31 Dec 2024 | |
| CSM Advisors, LLC |
13F
|
Company |
0.26%
|
639,057
|
$13,438,000 | — | 31 Dec 2024 | |
| Engine Capital Management, LP |
13F
|
Company |
0.26%
|
621,400
|
$13,068,042 | — | 31 Dec 2024 | |
| ROYAL BANK OF CANADA |
13F
|
Company |
0.25%
|
618,903
|
$13,015,000 | — | 31 Dec 2024 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0.25%
|
608,845
|
$12,804,015 | — | 31 Dec 2024 | |
| PRINCIPAL FINANCIAL GROUP INC |
13F
|
Company |
0.25%
|
602,049
|
$12,661,090 | — | 31 Dec 2024 | |
| MOORE CAPITAL MANAGEMENT, LP |
13F
|
Company |
0.24%
|
592,190
|
$12,453,756 | — | 31 Dec 2024 | |
| Aristotle Capital Boston, LLC |
13F
|
Company |
0.2%
|
476,977
|
$10,030,821 | — | 31 Dec 2024 | |
| DISCOVERY CAPITAL MANAGEMENT, LLC / CT |
13F
|
Company |
0.19%
|
465,300
|
$9,785,259 | — | 31 Dec 2024 | |
| Voss Capital, LP |
13F
|
Company |
0.19%
|
449,818
|
$9,459,673 | — | 31 Dec 2024 | |
| Penn Capital Management Company, LLC |
13F
|
Company |
0.18%
|
446,308
|
$9,385,848 | — | 31 Dec 2024 | |
| 683 Capital Management, LLC |
13F
|
Company |
0.17%
|
425,000
|
$8,937,750 | — | 31 Dec 2024 | |
| VOYA INVESTMENT MANAGEMENT LLC |
13F
|
Company |
0.17%
|
404,115
|
$8,498,539 | — | 31 Dec 2024 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
0.16%
|
394,822
|
$8,303,107 | — | 31 Dec 2024 | |
| NEW YORK STATE COMMON RETIREMENT FUND |
13F
|
Company |
0.16%
|
378,952
|
$7,969,361 | — | 31 Dec 2024 |
Institutional Holders of Amentum Holdings, Inc. - Common Stock (AMTM) as of Q1 2025
As of 31 Mar 2025,
Amentum Holdings, Inc. - Common Stock (AMTM) was held by
410 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
189,918,108 shares.
The largest 10 holders included
AMERICAN SECURITIES LLC, BlackRock, Inc., Invesco Ltd., VANGUARD GROUP INC, PRIMECAP MANAGEMENT CO/CA/, STATE STREET CORP, FMR LLC, FRONTIER CAPITAL MANAGEMENT CO LLC, THOMPSON SIEGEL & WALMSLEY LLC, and Kovitz Investment Group Partners, LLC.
This page lists
413
institutional shareholders reporting positions in this security
for the Q1 2025 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q1 2025 vs Q4 2024 Across Filers
Q4 2024 holders
445
Q1 2025 holders
410
Holder diff
-35
| Investor | Q4 2024 Shares | Q1 2025 Shares | Share Diff | Share Chg % | Q4 2024 Value $ | Q1 2025 Value $ | Value Diff $ | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
An asterisk sign (*) next to the price indicates that the price is likely invalid.