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Amentum Holdings

483 hedge funds and large institutions have $5.64B invested in Amentum Holdings in 2025 Q4 according to their latest regulatory filings, with 88 funds opening new positions, 133 increasing their positions, 158 reducing their positions, and 57 closing their positions.

New
Increased
Maintained
Reduced
Closed

143% more call options, than puts

Call options by funds: $73.7M | Put options by funds: $30.3M

54% more first-time investments, than exits

New positions opened: 88 | Existing positions closed: 57

22% more capital invested

Capital invested by funds: $4.63B → $5.64B (+$1.01B)

11% more funds holding in top 10

Funds holding in top 10: 910 (+1)

5% more funds holding

Funds holding: 462483 (+21)

4.16% more ownership

Funds ownership: 79.49%83.65% (+4.2%)

16% less repeat investments, than reductions

Existing positions increased: 133 | Existing positions reduced: 158

Holders
483
Holders Change
+21
Holders Change %
+4.55%
% of All Funds
5.88%
Holding in Top 10
10
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+11.11%
% of All Funds
0.12%
New
88
Increased
133
Reduced
158
Closed
57
Calls
$73.7M
Puts
$30.3M
Net Calls
+$43.4M
Net Calls Change
+$35.8M
Name Holding Trade Value Shares
Change
Change in
Stake
VOYA Investment Management
26
VOYA Investment Management
Georgia
$33.3M +$1.6M +62,508 +6%
Loomis, Sayles & Company
27
Loomis, Sayles & Company
Massachusetts
$32.4M +$1.4M +54,851 +5%
Northern Trust
28
Northern Trust
Illinois
$27.6M +$256K +10,032 +1%
Bank of New York Mellon
29
Bank of New York Mellon
New York
$26.7M +$1.43M +55,834 +6%
CAM
30
Cacti Asset Management
Georgia
$25.7M +$629K +24,600 +3%
Verition Fund Management
31
Verition Fund Management
Connecticut
$25.1M -$6.91M -270,454 -24%
AC
32
Avenir Corporation
Virginia
$24.7M -$294K -11,509 -1%
6CM
33
683 Capital Management
New York
$24.2M -$11.2M -440,000 -35%
N
34
Nuveen
North Carolina
$23.6M +$1.6M +62,470 +8%
PCM
35
Penn Capital Management
Pennsylvania
$21.6M -$5.54M -216,670 -23%
Principal Financial Group
36
Principal Financial Group
Iowa
$21.1M -$188K -7,341 -1%
Point72 Asset Management
37
Point72 Asset Management
Connecticut
$20.2M -$17.5M -685,705 -50%
Goldman Sachs
38
Goldman Sachs
New York
$18.7M -$4.29M -167,773 -21%
Two Sigma Investments
39
Two Sigma Investments
New York
$18.5M +$6.11M +238,863 +60%
GAM
40
Gotham Asset Management
New York
$18.4M +$9.99M +390,604 +160%
SCM
41
Segra Capital Management
Florida
$17.5M +$4.8M +187,785 +45%
New York State Common Retirement Fund
42
New York State Common Retirement Fund
New York
$15.5M -$3.17M -123,862 -19%
VanEck Associates
43
VanEck Associates
New York
$15.4M -$6M -234,670 -31%
Public Sector Pension Investment Board (PSP Investments)
44
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$15.4M -$1.72M -67,410 -11%
RA
45
Royce & Associates
New York
$14.4M +$1.04M +40,786 +9%
HCA
46
Hyperion Capital Advisors
New York
$14.3M +$1.84M +71,864 +17%
MCM
47
Moore Capital Management
New York
$13.8M +$1.74M +67,897 +17%
Wells Fargo
48
Wells Fargo
California
$13.5M +$10.8M +421,305 +970%
Russell Investments Group
49
Russell Investments Group
United Kingdom
$12.7M +$3.77M +147,467 +51%
CI Investments Inc
50
CI Investments Inc
Ontario, Canada
$12.3M -$70.1K -2,743 -0.6%