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1,003 hedge funds and large institutions have $36.8B invested in Ametek in 2025 Q2 according to their latest regulatory filings, with 97 funds opening new positions, 394 increasing their positions, 362 reducing their positions, and 79 closing their positions.

New
Increased
Maintained
Reduced
Closed

102% more call options, than puts

Call options by funds: $29.3M | Put options by funds: $14.5M

23% more first-time investments, than exits

New positions opened: 97 | Existing positions closed: 79

6% more capital invested

Capital invested by funds: $34.7B → $36.8B (+$2.08B)

9% more repeat investments, than reductions

Existing positions increased: 394 | Existing positions reduced: 362

0.74% more ownership

Funds ownership: 87.4%88.14% (+0.74%)

0% more funds holding

Funds holding: 9991,003 (+4)

0% more funds holding in top 10

Funds holding in top 10: 1515 (0)

Holders
1,003
Holders Change
+4
Holders Change %
+0.4%
% of All Funds
13.21%
Holding in Top 10
15
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.2%
New
97
Increased
394
Reduced
362
Closed
79
Calls
$29.3M
Puts
$14.5M
Net Calls
+$14.8M
Net Calls Change
-$20.4M
Name Holding Trade Value Shares
Change
Change in
Stake
Kayne Anderson Rudnick Investment Management
26
Kayne Anderson Rudnick Investment Management
California
$275M -$46.5M -270,001 -15%
Boston Partners
27
Boston Partners
Massachusetts
$275M -$65.4M -380,109 -20%
Franklin Resources
28
Franklin Resources
California
$258M -$8.8M -51,125 -3%
Bank Julius Baer & Co
29
Bank Julius Baer & Co
Switzerland
$249M -$9.12M -53,027 -4%
Charles Schwab
30
Charles Schwab
California
$247M +$1.82M +10,598 +0.8%
Legal & General Group
31
Legal & General Group
United Kingdom
$246M -$5.94M -34,517 -2%
Deutsche Bank
32
Deutsche Bank
Germany
$232M -$11.5M -66,691 -5%
Qube Research & Technologies (QRT)
33
Qube Research & Technologies (QRT)
United Kingdom
$222M +$28.2M +163,950 +15%
Ameriprise
34
Ameriprise
Minnesota
$209M -$28.5M -165,422 -13%
CIP
35
Champlain Investment Partners
Vermont
$207M -$7.57M -44,005 -4%
UBS Group
36
UBS Group
Switzerland
$190M -$47.6M -276,619 -21%
GC
37
Giverny Capital
Quebec, Canada
$180M +$3.25M +18,910 +2%
GF
38
Gabelli Funds
New York
$175M -$2.36M -13,717 -1%
Wellington Management Group
39
Wellington Management Group
Massachusetts
$162M -$4.95M -28,774 -3%
DekaBank Deutsche Girozentrale
40
DekaBank Deutsche Girozentrale
Germany
$154M -$995K -5,786 -0.7%
Neuberger Berman Group
41
Neuberger Berman Group
New York
$150M +$3.03M +17,603 +2%
MIM
42
Meridiem Investment Management
United Kingdom
$146M +$4.24M +24,622 +3%
MC
43
Maren Capital
Illinois
$146M +$7.59M +44,098 +6%
Voloridge Investment Management
44
Voloridge Investment Management
Florida
$141M -$22M -128,121 -14%
Primecap Management
45
Primecap Management
California
$141M +$73.7M +428,624 +122%
Swiss National Bank
46
Swiss National Bank
Switzerland
$126M +$7.91M +46,000 +7%
HSBC Holdings
47
HSBC Holdings
United Kingdom
$126M +$15.7M +91,234 +15%
William Blair & Company
48
William Blair & Company
Illinois
$125M -$2.63M -15,277 -2%
Balyasny Asset Management
49
Balyasny Asset Management
Illinois
$124M -$9.86M -57,319 -8%
Barclays
50
Barclays
United Kingdom
$120M +$4.21M +24,491 +4%

AME Hedge Fund Activity: Q2 2025 in Review

1,003 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in Ametek (AME) for Q2 2025, worth a combined $36.8B — up 6% from $34.7B a quarter earlier.

Buyers outnumbered sellers: 97 funds opened new AME positions and 79 closed out — a net gain of 18 holders — while 394 added to existing stakes and 362 trimmed.

The largest buyer was BlackRock, adding an estimated $209M. The largest seller was Capital World Investors, cutting an estimated $201M.

  • 1,003 institutional investors held Ametek (AME) as of Q2 2025, up from 999 in Q1 2025.
  • Funds reported $36.8B of Ametek stock for Q2 2025, up 6% quarter-over-quarter.
  • 97 funds opened new Ametek positions in Q2 2025 and 79 closed out, a net change of +18 holders.
  • The largest Ametek buyer in Q2 2025 was BlackRock, an estimated $209M added.
  • The largest Ametek seller in Q2 2025 was Capital World Investors, an estimated $201M sold.

Based on aggregated 13F filings for Q2 2025.