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1,151 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

114% more call options, than puts

Call options by funds: $99M | Put options by funds: $46.3M

51% more first-time investments, than exits

New positions opened: 136 | Existing positions closed: 90

25% more repeat investments, than reductions

Existing positions increased: 463 | Existing positions reduced: 369

2% more funds holding

Funds holding: 1,1261,151 (+25)

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
1,151
Holders Change
+25
Holders Change %
+2.22%
% of All Funds
14.18%
Holding in Top 10
22
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-8.33%
% of All Funds
0.27%
New
136
Increased
463
Reduced
369
Closed
90
Calls
$99M
Puts
$46.3M
Net Calls
+$52.8M
Net Calls Change
+$14.7M
Name Holding Trade Value Shares
Change
Change in
Stake
HighTower Advisors
276
HighTower Advisors
Illinois
$11.3M +$1.5M +6,740 +15%
SG
277
Sienna Gestion
France
$11.1M +$9.57M +43,078 +431%
MA
278
Montag & Associates
Georgia
$11M +$76.2K +343 +0.7%
P
279
PensionDanmark
Denmark
$10.8M +$580K +2,609 +5%
Cetera Investment Advisers
280
Cetera Investment Advisers
Illinois
$10.8M +$942K +4,240 +9%
SC
281
SMA Capital
New York
$10.7M -$246K -1,106 -2%
OAM
282
OP Asset Management
$10.7M +$5.64M +25,360 +104%
Retirement Systems of Alabama
283
Retirement Systems of Alabama
Alabama
$10.5M -$19.1K -86 -0.2%
LP
284
Longaeva Partners
Illinois
$10.2M +$10.6M +47,729 New
KCM
285
Kornitzer Capital Management
Kansas
$10.2M -$3.49M -15,700 -25%
TC
286
TwinBeech Capital
New York
$10.1M +$10.5M +47,121 New
CA
287
Cornerstone Advisors
North Carolina
$10.1M +$10.5M +47,116 New
RBI
288
Raiffeisen Bank International
Austria
$10.1M -$814K -3,663 -7%
LRPA
289
L. Roy Papp & Associates
Arizona
$10M +$299K +1,346 +3%
II
290
IFM Investors
Australia
$10M +$342K +1,540 +3%
Verition Fund Management
291
Verition Fund Management
Connecticut
$9.82M -$5.2M -23,384 -34%
CCM
292
Carderock Capital Management
Maryland
$9.75M +$379K +1,707 +4%
X
293
Xponance
Pennsylvania
$9.75M +$1.66M +7,463 +20%
MSE
294
MUFG Securities EMEA
United Kingdom
$9.74M -$3.78M -17,000 -27%
BAMF
295
BI Asset Management Fondsmaeglerselskab
Denmark
$9.47M +$5.64M +25,362 +135%
Wealth Enhancement Advisory Services
296
Wealth Enhancement Advisory Services
Minnesota
$9.43M -$19.5M -87,776 -65%
SLAM
297
Swiss Life Asset Management
$9.41M +$7.79M +35,061 +168%
DCM
298
Dupont Capital Management
Delaware
$9.38M +$9.73M +43,771 New
FMC
299
First Merchants Corp
Indiana
$9.09M +$918K +4,132 +11%
SMDAM
300
Sumitomo Mitsui DS Asset Management
Japan
$9.08M +$156K +703 +2%