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1,150 hedge funds and large institutions have $43B invested in Ametek in 2026 Q1 according to their latest regulatory filings, with 136 funds opening new positions, 463 increasing their positions, 369 reducing their positions, and 90 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 repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more funds holding

Funds holding:

2% more capital invested

Capital invested by funds: $42.1B → $43B (+$859M)

1.54% less ownership

Funds ownership: 89.22%87.68% (-1.5%)

8% less funds holding in top 10

Funds holding in top 10: 2422 (-2)

Holders
1,150
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
22
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$99M
Puts
$46.3M
Net Calls
Net Calls Change

Top Buyers

1 +$247M
2 +$168M
3 +$143M
4
Two Sigma Investments
Two Sigma Investments
New York
+$138M
5
JP Morgan Chase
JP Morgan Chase
New York
+$122M

Top Sellers

1 -$256M
2 -$232M
3 -$215M
4
BlackRock
BlackRock
New York
-$183M
5
ATO
Alecta Tjanstepension Omsesidigt
Sweden
-$165M
Name Holding Trade Value Shares
Change
Change in
Stake
FPW
476
Fairvoy Private Wealth
Alabama
$2.51M
AAIS
477
ABN AMRO Investment Solutions
$2.49M
LNWTC
478
Laird Norton Wetherby Trust Company
Washington
$2.49M
CAM
479
Close Asset Management
United Kingdom
$2.48M
SCA
480
Snowden Capital Advisors
New York
$2.47M
MSRPS
481
Maryland State Retirement & Pension System
Maryland
$2.46M
CAG
482
Cypress Advisory Group
Arizona
$2.44M
DF
483
Donoghue Forlines
Massachusetts
$2.44M
RG
484
Rathbones Group
United Kingdom
$2.39M
VWM
485
VCI Wealth Management
Missouri
$2.35M
BCM
486
Buckhead Capital Management
Georgia
$2.35M
Simplex Trading
487
Simplex Trading
Illinois
$2.34M
IWC
488
Integrated Wealth Concepts
Massachusetts
$2.33M
AG
489
Ascent Group
Virginia
$2.33M
PDL
490
Portfolio Design Labs
California
$2.33M
WP
491
Woodline Partners
California
$2.32M
PIM
492
Plato Investment Management
Australia
$2.31M
VNA
493
Valley National Advisers
Pennsylvania
$2.27M
VCM
494
Voleon Capital Management
California
$2.27M
OQS
495
Occudo Quantitative Strategies
Florida
$2.26M
NMERB
496
New Mexico Educational Retirement Board
New Mexico
$2.26M
SLI
497
Sumitomo Life Insurance
Japan
$2.25M
MOS
498
MGO One Seven
Ohio
$2.24M
DACS
499
Dymon Asia Capital (Singapore)
Singapore
$2.23M
BBHC
500
Brown Brothers Harriman & Co
New York
$2.21M