We are live on ! Find out more
AMTM

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
IR
501
IAT Reinsurance
New York
-$591K -24,693 Closed
LAM
502
LECAP Asset Management
United Kingdom
-$561K -23,438 Closed
GCP
503
GSA Capital Partners
United Kingdom
-$558K -23,285 Closed
CMF
504
Counterpoint Mutual Funds
California
-$525K -21,913 Closed
DS
505
DRW Securities
Illinois
-$479K -20,061 Closed
IMC Chicago
506
IMC Chicago
Illinois
-$492K -19,237 Closed
ET
507
Entropy Technologies
New York
-$349K -14,570 Closed
OAM
508
Oppenheimer Asset Management
New York
-$290K -12,116 Closed
CB
509
Commerce Bank
Missouri
-$276K -11,534 Closed
QC
510
Quantessence Capital
New York
-$261K -10,879 Closed
IFU
511
iSAM Funds (UK)
United Kingdom
-$260K -10,848 Closed
PCM
512
Prelude Capital Management
New York
-$250K -10,449 Closed
FFP
513
FourThought Financial Partners
Florida
-$225K -9,379 Closed
CBA
514
Coastal Bridge Advisors
Connecticut
-$204K -8,505 Closed
Optiver Holding
515
Optiver Holding
Netherlands
-$190K -7,954 Closed
ACM
516
Aster Capital Management
United Arab Emirates
-$70.2K -2,931 Closed
ASN
517
Advisory Services Network
Georgia
-$60.9K -2,542 Closed
PMFA
518
Plante Moran Financial Advisors
Michigan
-$47.7K -1,990 Closed
HWA
519
Heartwood Wealth Advisors
Virginia
-$45.3K -1,892 Closed
WANY
520
Wealthspire Advisors (New York)
New York
-$41.5K -1,734 Closed
MG
521
Mather Group
Illinois
-$32.3K -1,349 Closed
N
522
Natixis
France
-$10.1K -423 Closed
GWSG
523
GPS Wealth Strategies Group
Colorado
-$3.19K -133 Closed
TCM
524
TruNorth Capital Management
Michigan
-$2.54K -106 Closed
AAS
525
Ameritas Advisory Services
Nebraska
-$2.11K -88 Closed