AMTM

Amentum Holdings

459 hedge funds and large institutions have $4.63B invested in Amentum Holdings in 2025 Q3 according to their latest regulatory filings, with 76 funds opening new positions, 104 increasing their positions, 178 reducing their positions, and 69 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding

Funds holding:

more funds holding in top 10

Funds holding in top 10:

2% less capital invested

Capital invested by funds: $4.73B → $4.63B (-$98.4M)

2.85% less ownership

Funds ownership: 82.32%79.48% (-2.8%)

42% less repeat investments, than reductions

Existing positions increased: 104 | Existing positions reduced: 178

Holders
459
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
9
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$22.9M
Puts
$15.4M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
HNB
351
Huntington National Bank
Ohio
$4.72K
BAM
352
Bellevue Asset Management
Washington
$4.72K
MPWT
353
MassMutual Private Wealth & Trust
Connecticut
$4.67K
S
354
Sachetta
Massachusetts
$4.65K
CH
355
Cromwell Holdings
Wyoming
$4.41K
FMII
356
Farmers & Merchants Investments Inc
Nebraska
$4.21K
Mitsubishi UFJ Asset Management
357
Mitsubishi UFJ Asset Management
Japan
$4.07K
GWM
358
Geneos Wealth Management
Colorado
$4.07K
HCA
359
Harbor Capital Advisors
Illinois
$4K
AEPWM
360
Atlantic Edge Private Wealth Management
Florida
$3.93K
TPCW
361
TD Private Client Wealth
New York
$3.47K
RAM
362
Ramirez Asset Management
New York
$3.4K
RIL
363
Rothschild Investment LLC
Illinois
$3.35K
CFB
364
Cullen/Frost Bankers
Texas
$3.28K
ME
365
McIlrath & Eck
Washington
$3.26K
GWSG
366
GPS Wealth Strategies Group
Colorado
$3.19K
OP
367
ORG Partners
Indiana
$3.11K
HWM
368
Hemington Wealth Management
Virginia
$3K
BOJHT
369
Bank of Jackson Hole Trust
Wyoming
$2.92K
RF
370
Roxbury Financial
New Jersey
$2.83K
AssetMark Inc
371
AssetMark Inc
California
$2.78K
GBT
372
Grove Bank & Trust
Florida
$2.59K
GGI
373
Godsey & Gibb Inc
Virginia
$2.54K
HIA
374
Harbor Investment Advisory
Maryland
$2.54K
PWMG
375
Private Wealth Management Group
New Jersey
$2.54K