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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
JHP
51
James Hambro & Partners
United Kingdom
$120M +$3.04M +17,653 +3%
AQR Capital Management
52
AQR Capital Management
Connecticut
$118M +$87.4M +508,164 +343%
GI
53
GAMCO Investors
Connecticut
$115M -$497K -2,889 -0.5%
SCM
54
Snyder Capital Management
California
$113M -$4.31M -25,072 -4%
JFL
55
Jarislowsky, Fraser Ltd
Quebec, Canada
$113M +$190K +1,105 +0.2%
SAM
56
Silvercrest Asset Management
New York
$110M -$2.79M -16,193 -3%
Citadel Advisors
57
Citadel Advisors
Florida
$109M +$55.6M +323,274 +116%
Bessemer Group
58
Bessemer Group
New Jersey
$105M +$1.36M +7,913 +1%
D.E. Shaw & Co
59
D.E. Shaw & Co
New York
$105M +$59.4M +345,152 +147%
HL
60
Harding Loevner
New Jersey
$105M +$1.81M +10,527 +2%
HPC
61
HM Payson & Co
Maine
$102M +$4.65M +27,013 +5%
Ensign Peak Advisors
62
Ensign Peak Advisors
Utah
$102M -$2.13M -12,407 -2%
BNP Paribas Financial Markets
63
BNP Paribas Financial Markets
France
$99.3M -$1.88M -10,937 -2%
PAM
64
Panagora Asset Management
Massachusetts
$99.1M +$67.5M +392,083 +252%
Sumitomo Mitsui Trust Group
65
Sumitomo Mitsui Trust Group
Japan
$95M +$886K +5,149 +1%
N
66
Nuveen
North Carolina
$93.8M -$4.86M -28,245 -5%
Manulife (Manufacturers Life Insurance)
67
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$92.5M +$64.6M +375,642 +277%
Two Sigma Investments
68
Two Sigma Investments
New York
$92M +$30M +174,414 +52%
American Century Companies
69
American Century Companies
Missouri
$86.7M -$99.6M -579,197 -55%
PC
70
Port Capital
Illinois
$86.2M +$1.03M +5,980 +1%
Royal London Asset Management
71
Royal London Asset Management
United Kingdom
$83.7M +$1.94M +11,254 +2%
RhumbLine Advisers
72
RhumbLine Advisers
Massachusetts
$83.5M +$665K +3,864 +0.8%
Mitsubishi UFJ Asset Management
73
Mitsubishi UFJ Asset Management
Japan
$79.7M +$4.75M +27,602 +7%
Natixis Advisors
74
Natixis Advisors
Massachusetts
$78.5M +$11.4M +66,235 +18%
California Public Employees Retirement System
75
California Public Employees Retirement System
California
$78.3M -$3.29M -19,101 -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.