- Type / Class
- Equity / Common Stock
- Shares outstanding
- 243,042,143
- Total 13F shares
- 200,286,307
- Share change
- +10,416,998
- Total reported value
- $4,728,932,149
- Put/Call ratio
- 54%
- Price per share
- $23.61
- Number of holders
- 449
- Value change
- +$283,438,102
- Number of buys
- 329
- Number of sells
- 167
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.
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- Latest 13F filings for newly reported positions across managers.
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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
3/4/5
|
Director, 10%+ Owner |
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 | |
| ASP Amentum Investco LP |
3/4/5
|
10%+ Owner |
—
class O/S missing
|
43,893,904
|
$913,300,461 | — | 17 Dec 2024 | |
| Goldberg 2014 LLC |
3/4/5
|
10%+ Owner |
19%
|
45,026,743
|
$817,235,385 | — | 08 May 2025 | |
| Lindsay Goldberg Employee Co-Inv. IV L.P. |
3/4/5
|
10%+ Owner |
19%
|
45,026,743
|
$817,235,385 | — | 08 May 2025 | |
| AMERICAN SECURITIES LLC |
13F
|
Company |
18%
|
43,893,904
|
$798,869,053 | — | 31 Mar 2025 | |
| BlackRock, Inc. |
13D/G
13F
|
Company |
6.9%
|
16,774,241
|
$372,220,408 | $0 | 31 Dec 2024 | |
| Invesco Ltd. |
13F
|
Company |
7.1%
|
17,191,110
|
$312,878,202 | — | 31 Mar 2025 | |
| VANGUARD GROUP INC |
13F
|
Company |
6.7%
|
16,342,560
|
$297,434,592 | — | 31 Mar 2025 | |
| PRIMECAP MANAGEMENT CO/CA/ |
13F
|
Company |
4.1%
|
10,061,589
|
$183,120,920 | — | 31 Mar 2025 | |
| STATE STREET CORP |
13F
|
Company |
2.7%
|
6,576,351
|
$119,689,588 | — | 31 Mar 2025 | |
| FMR LLC |
13F
|
Company |
1.8%
|
4,408,949
|
$80,242,861 | — | 31 Mar 2025 | |
| FRONTIER CAPITAL MANAGEMENT CO LLC |
13F
|
Company |
1.5%
|
3,578,732
|
$65,132,931 | — | 31 Mar 2025 | |
| THOMPSON SIEGEL & WALMSLEY LLC |
13F
|
Company |
1.4%
|
3,326,378
|
$60,540,000 | — | 31 Mar 2025 | |
| Kovitz Investment Group Partners, LLC |
13F
|
Company |
1.3%
|
3,075,305
|
$55,970,555 | — | 31 Mar 2025 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
1.2%
|
2,926,482
|
$53,261,972 | — | 31 Mar 2025 | |
| DISCOVERY CAPITAL MANAGEMENT, LLC / CT |
13F
|
Company |
1.1%
|
2,630,930
|
$47,882,926 | — | 31 Mar 2025 | |
| VAN ECK ASSOCIATES CORP |
13F
|
Company |
1.1%
|
2,603,564
|
$47,385,000 | — | 31 Mar 2025 | |
| Ruane, Cunniff & Goldfarb L.P. |
13F
|
Company |
0.98%
|
2,393,039
|
$43,553,310 | — | 31 Mar 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.95%
|
2,299,997
|
$41,874,144 | — | 31 Mar 2025 | |
| Voss Capital, LP |
13F
|
Company |
0.91%
|
2,220,709
|
$40,416,904 | — | 31 Mar 2025 | |
| FIL Ltd |
13F
|
Company |
0.91%
|
2,209,313
|
$40,209,496 | — | 31 Mar 2025 | |
| MORGAN STANLEY |
13F
|
Company |
0.86%
|
2,092,848
|
$38,089,875 | — | 31 Mar 2025 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
0.83%
|
2,011,792
|
$36,614,614 | — | 31 Mar 2025 | |
| BALYASNY ASSET MANAGEMENT L.P. |
13F
|
Company |
0.77%
|
1,880,887
|
$34,232,143 | — | 31 Mar 2025 | |
| Arvin Capital Management LP |
13F
|
Company |
0.69%
|
1,687,149
|
$30,706,112 | — | 31 Mar 2025 | |
| THRIVENT FINANCIAL FOR LUTHERANS |
13F
|
Company |
0.67%
|
1,621,324
|
$29,508,000 | — | 31 Mar 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.64%
|
1,549,158
|
$28,194,676 | — | 31 Mar 2025 | |
| UBS Group AG |
13F
|
Company |
0.63%
|
1,530,134
|
$27,848,439 | — | 31 Mar 2025 | |
| COOPER CREEK PARTNERS MANAGEMENT LLC |
13F
|
Company |
0.5%
|
1,223,986
|
$22,277,000 | — | 31 Mar 2025 | |
| Freestone Grove Partners LP |
13F
|
Company |
0.48%
|
1,164,835
|
$21,199,997 | — | 31 Mar 2025 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
0.46%
|
1,113,654
|
$20,267,235 | — | 31 Mar 2025 | |
| Kopernik Global Investors, LLC |
13F
|
Company |
0.44%
|
1,077,495
|
$19,610,409 | — | 31 Mar 2025 | |
| 683 Capital Management, LLC |
13F
|
Company |
0.42%
|
1,013,000
|
$18,436,600 | — | 31 Mar 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0.4%
|
968,538
|
$17,627,391 | — | 31 Mar 2025 | |
| AVENIR CORP |
13F
|
Company |
0.37%
|
904,162
|
$16,455,748 | — | 31 Mar 2025 | |
| Penn Capital Management Company, LLC |
13F
|
Company |
0.37%
|
889,434
|
$16,231,115 | — | 31 Mar 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.35%
|
854,423
|
$15,550,499 | — | 31 Mar 2025 | |
| CACTI ASSET MANAGEMENT LLC |
13F
|
Company |
0.34%
|
834,442
|
$15,078,367 | — | 31 Mar 2025 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.31%
|
760,509
|
$13,841,265 | — | 31 Mar 2025 | |
| PRINCIPAL FINANCIAL GROUP INC |
13F
|
Company |
0.29%
|
712,172
|
$12,961,529 | — | 31 Mar 2025 | |
| CSM Advisors, LLC |
13F
|
Company |
0.26%
|
638,057
|
$11,611,000 | — | 31 Mar 2025 | |
| Ghisallo Capital Management LLC |
13F
|
Company |
0.26%
|
635,569
|
$11,567,356 | — | 31 Mar 2025 | |
| Engine Capital Management, LP |
13F
|
Company |
0.26%
|
635,255
|
$11,561,641 | — | 31 Mar 2025 | |
| VOYA INVESTMENT MANAGEMENT LLC |
13F
|
Company |
0.26%
|
628,154
|
$11,432,403 | — | 31 Mar 2025 | |
| NEW YORK STATE COMMON RETIREMENT FUND |
13F
|
Company |
0.25%
|
611,787
|
$11,134,523 | — | 31 Mar 2025 | |
| JANE STREET GROUP, LLC |
13F
|
Company |
0.25%
|
601,760
|
$10,952,032 | — | 31 Mar 2025 | |
| ROYAL BANK OF CANADA |
13F
|
Company |
0.24%
|
582,195
|
$10,595,000 | — | 31 Mar 2025 | |
| LOEWS CORP |
13F
|
Company |
0.24%
|
572,684
|
$10,422,849 | — | 31 Mar 2025 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP |
13F
|
Company |
0.22%
|
533,567
|
$9,710,919 | — | 31 Mar 2025 |
Institutional Holders of Amentum Holdings, Inc. - Common Stock (AMTM) as of Q2 2025
As of 30 Jun 2025,
Amentum Holdings, Inc. - Common Stock (AMTM) was held by
449 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
200,286,307 shares.
The largest 10 holders included
AMERICAN SECURITIES LLC, Invesco Ltd., BlackRock, Inc., VANGUARD GROUP INC, PRIMECAP MANAGEMENT CO/CA/, STATE STREET CORP, FRONTIER CAPITAL MANAGEMENT CO LLC, MILLENNIUM MANAGEMENT LLC, FMR LLC, and VAN ECK ASSOCIATES CORP.
This page lists
450
institutional shareholders reporting positions in this security
for the Q2 2025 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q2 2025 vs Q1 2025 Across Filers
Q1 2025 holders
410
Q2 2025 holders
449
Holder diff
39
| Investor | Q1 2025 Shares | Q2 2025 Shares | Share Diff | Share Chg % | Q1 2025 Value $ | Q2 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.