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Ametek
AME

999 hedge funds and large institutions have $34.7B invested in Ametek in 2025 Q1 according to their latest regulatory filings, with 103 funds opening new positions, 400 increasing their positions, 329 reducing their positions, and 79 closing their positions.

New
Increased
Maintained
Reduced
Closed

104% more call options, than puts

Call options by funds: $69.1M | Put options by funds: $33.9M

30% more first-time investments, than exits

New positions opened: 103 | Existing positions closed: 79

22% more repeat investments, than reductions

Existing positions increased: 400 | Existing positions reduced: 329

1% more funds holding

Funds holding: 987 → 999 (+12)

1.01% more ownership

Funds ownership: 86.39% → 87.4% (+1%)

4% less capital invested

Capital invested by funds: $36B → $34.7B (-$1.34B)

29% less funds holding in top 10

Funds holding in top 10: 21 → 15 (-6)

Holders
999
Holders Change
+12
Holders Change %
+1.22%
% of All Funds
13.4%
Holding in Top 10
15
Holding in Top 10 Change
-6
Holding in Top 10 Change %
-28.57%
% of All Funds
0.2%
New
103
Increased
400
Reduced
329
Closed
79
Calls
$69.1M
Puts
$33.9M
Net Calls
+$35.2M
Net Calls Change
+$2.65M

Top Buyers

Rank Fund Capital Flow
1
Invesco
Invesco
Georgia
+$354M
2
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
+$347M
3
BlackRock
BlackRock
New York
+$186M
4
UBS Group
UBS Group
Switzerland
+$124M
5
CLOS
Compagnie Lombard Odier SCmA
Switzerland
+$120M

Top Sellers

Rank Fund Capital Flow
1
Fidelity Investments
Fidelity Investments
Massachusetts
-$639M
2
Capital World Investors
Capital World Investors
California
-$319M
3
Massachusetts Financial Services
Massachusetts Financial Services
Massachusetts
-$130M
4
AW
Alteri Wealth
California
-$115M
5
Amundi
Amundi
France
-$80.9M
Name Holding Trade Value Shares
Change 		Change in
Stake
SCA
1001
Southpoint Capital Advisors
New York
– -$72.1M -400,000 Closed
AIMCA
1002
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
– -$13.7M -75,729 Closed
PP
1003
Prospector Partners
Connecticut
– -$9.27M -51,418 Closed
PP
1004
Paloma Partners
Connecticut
– -$7.66M -42,500 Closed
ACM
1005
Aquatic Capital Management
Illinois
– -$7.38M -40,935 Closed
IGAM
1006
iA Global Asset Management
Quebec, Canada
– -$6.75M -37,476 Closed
LF
1007
Longbow Finance
Switzerland
– -$5.47M -30,371 Closed
CCS
1008
Concentric Capital Strategies
Connecticut
– -$5.11M -28,330 Closed
CI
1009
Capital International
California
– -$4.67M -25,881 Closed
MCM
1010
Moore Capital Management
New York
– -$4.42M -24,521 Closed
Marshall Wace
1011
Marshall Wace
United Kingdom
– -$3.46M -19,219 Closed
YIH
1012
Y-Intercept (HK)
Hong Kong
– -$2.77M -15,388 Closed
XT
1013
XTX Topco
Cayman Islands
– -$2.14M -11,871 Closed
CCIA
1014
Campbell & Co Investment Adviser
Maryland
– -$1.95M -10,822 Closed
ET
1015
Entropy Technologies
New York
– -$1.89M -10,492 Closed
LIP
1016
Lighthouse Investment Partners
Florida
– -$1.8M -10,000 Closed
CFGS
1017
Concourse Financial Group Securities
Alabama
– -$1.76M -9,324 Closed
BCM
1018
Bayesian Capital Management
New York
– -$1.57M -8,729 Closed
FRM
1019
Fox Run Management
Connecticut
– -$1.52M -8,418 Closed
GCP
1020
Garda Capital Partners
Minnesota
– -$1.37M -7,602 Closed
Capstone Investment Advisors
1021
Capstone Investment Advisors
New York
– -$1.11M -6,100 Closed
CGIM
1022
Capital Group Investment Management
Singapore
– -$1.03M -5,736 Closed
BEI
1023
Benjamin Edwards Inc
Missouri
– -$997K -5,517 Closed
SG
1024
Sienna Gestion
France
– -$888K -4,929 Closed
FC
1025
Farringdon Capital
United Kingdom
– -$848K -4,706 Closed
39 40
41
42 43

AME Hedge Fund Activity: Q1 2025 in Review

999 of the 7,458 institutional investors tracked by Wall St. Rank reported a position in Ametek (AME) for Q1 2025, worth a combined $34.7B — down 3.7% from $36B a quarter earlier.

Buyers outnumbered sellers: 103 funds opened new AME positions and 79 closed out — a net gain of 24 holders — while 400 added to existing stakes and 329 trimmed.

The largest buyer was Invesco, adding an estimated $354M. The largest seller was Fidelity Investments, cutting an estimated $639M.

  • 999 institutional investors held Ametek (AME) as of Q1 2025, up from 987 in Q4 2024.
  • Funds reported $34.7B of Ametek stock for Q1 2025, down 3.7% quarter-over-quarter.
  • 103 funds opened new Ametek positions in Q1 2025 and 79 closed out, a net change of +24 holders.
  • The largest Ametek buyer in Q1 2025 was Invesco, an estimated $354M added.
  • The largest Ametek seller in Q1 2025 was Fidelity Investments, an estimated $639M sold.

Based on aggregated 13F filings for Q1 2025.