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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
HighTower Advisors
276
HighTower Advisors
Illinois
$11.3M
SG
277
Sienna Gestion
France
$11.1M
MA
278
Montag & Associates
Georgia
$11M
PP
279
PensionDanmark Pensionsforsikringsaktieselskab
Denmark
$10.8M
Cetera Investment Advisers
280
Cetera Investment Advisers
Illinois
$10.8M
SC
281
SMA Capital
New York
$10.7M
OAM
282
OP Asset Management
$10.7M
Retirement Systems of Alabama
283
Retirement Systems of Alabama
Alabama
$10.5M
LP
284
Longaeva Partners
Illinois
$10.2M
KCM
285
Kornitzer Capital Management
Kansas
$10.2M
TC
286
TwinBeech Capital
New York
$10.1M
CA
287
Cornerstone Advisors
North Carolina
$10.1M
RBI
288
Raiffeisen Bank International
Austria
$10.1M
LRPA
289
L. Roy Papp & Associates
Arizona
$10M
II
290
IFM Investors
Australia
$10M
Verition Fund Management
291
Verition Fund Management
Connecticut
$9.82M
CCM
292
Carderock Capital Management
Maryland
$9.75M
X
293
Xponance
Pennsylvania
$9.75M
MSE
294
MUFG Securities EMEA
United Kingdom
$9.74M
BAMF
295
BI Asset Management Fondsmaeglerselskab
Denmark
$9.47M
Wealth Enhancement Advisory Services
296
Wealth Enhancement Advisory Services
Minnesota
$9.43M
SLAM
297
Swiss Life Asset Management
$9.41M
DCM
298
Dupont Capital Management
Delaware
$9.38M
FMC
299
First Merchants Corp
Indiana
$9.09M
SMDAM
300
Sumitomo Mitsui DS Asset Management
Japan
$9.08M