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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
ELI
176
Empire Life Investments
Ontario, Canada
$30M -$1.8M -8,113 -6%
DS
177
Dudley & Shanley
Florida
$30M -$11.1K -50 -0%
RMA
178
Roffman Miller Associates
Pennsylvania
$29.5M -$731K -3,290 -2%
CI Investments Inc
179
CI Investments Inc
Ontario, Canada
$29.3M -$2.85M -12,846 -9%
CC
180
Cornerstone Capital
California
$28.7M +$950K +4,276 +3%
KK
181
KLP Kapitalforvaltning
Norway
$28.7M +$11.9M +53,500 +67%
GLF
182
Groupe la Francaise
France
$28.6M +$29.7M +133,546 New
CAM
183
Cresset Asset Management
Illinois
$28.1M +$256K +1,151 +0.9%
Luther King Capital Management (LKCM)
184
Luther King Capital Management (LKCM)
Texas
$28.1M -$102K -461 -0.4%
SAM
185
Scopus Asset Management
New York
$28M +$3.06M +13,782 +12%
State of Wisconsin Investment Board
186
State of Wisconsin Investment Board
Wisconsin
$27.4M +$1.8M +8,116 +7%
PCM
187
Palisade Capital Management
New Jersey
$27.1M -$586K -2,637 -2%
Public Employees Retirement Association of Colorado
188
Public Employees Retirement Association of Colorado
Colorado
$27.1M +$23.3M +104,950 +492%
New York State Common Retirement Fund
189
New York State Common Retirement Fund
New York
$26.8M -$933K -4,200 -3%
HF
190
HRT Financial
New York
$26.3M +$10.6M +47,736 +64%
APG Asset Management
191
APG Asset Management
Netherlands
$26.3M -$2.35M -10,575 -7%
Cerity Partners
192
Cerity Partners
New York
$26.1M +$1.26M +5,690 +5%
First Trust Advisors
193
First Trust Advisors
Illinois
$25.9M +$4.6M +20,722 +21%
LGF
194
LGT Group Foundation
Liechtenstein
$25.8M -$416K -1,872 -2%
Pictet Asset Management
195
Pictet Asset Management
Switzerland
$25.8M +$62.9K +283 +0.2%
Chevy Chase Trust
196
Chevy Chase Trust
Maryland
$25.3M -$655K -2,947 -2%
NAMI
197
Nomura Asset Management International
Pennsylvania
$25.1M -$608K -2,738 -2%
OCM
198
Osterweis Capital Management
California
$25.1M -$5.85M -26,311 -18%
Alyeska Investment Group
199
Alyeska Investment Group
Illinois
$25M +$24.1M +108,486 +1,345%
BA
200
Bridgewater Associates
Connecticut
$25M +$24.9M +111,896 +2,428%