We are live on ! Find out more

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
Universal-Beteiligungs- und Servicegesellschaft
101
Universal-Beteiligungs- und Servicegesellschaft
Germany
$50.4M +$423K +2,458 +0.9%
Renaissance Technologies
102
Renaissance Technologies
New York
$49.7M +$42M +243,900 +798%
Treasurer of the State of North Carolina
103
Treasurer of the State of North Carolina
North Carolina
$48M +$24M +139,603 +111%
GAM
104
Guinness Asset Management
United Kingdom
$47.4M -$923K -5,367 -2%
CAPTRUST Financial Advisors
105
CAPTRUST Financial Advisors
North Carolina
$47M +$1.36M +7,924 +3%
TCM
106
TimesSquare Capital Management
New York
$47M +$3.32M +19,270 +8%
Envestnet Asset Management
107
Envestnet Asset Management
Illinois
$46.6M -$3.78M -21,999 -8%
Caisse de Depot et Placement du Quebec (CDPQ)
108
Caisse de Depot et Placement du Quebec (CDPQ)
Quebec, Canada
$46.1M -$26.5M -154,095 -38%
CIBC Private Wealth Group
109
CIBC Private Wealth Group
Georgia
$45.9M -$1.09M -6,331 -2%
SO
110
STRS Ohio
Ohio
$45.5M +$1.57M +9,143 +4%
Acadian Asset Management
111
Acadian Asset Management
Massachusetts
$44.7M +$27.8M +161,456 +188%
SPI
112
Santori & Peters Inc
Pennsylvania
$44.5M +$3.27K +19 +0%
AAP
113
Aristotle Atlantic Partners
Florida
$44.3M -$1.22M -7,102 -3%
Mawer Investment Management
114
Mawer Investment Management
Alberta, Canada
$43M -$17.5M -101,965 -30%
A
115
AustralianSuper
Australia
$40.7M -$57.4M -333,653 -60%
SEI Investments
116
SEI Investments
Pennsylvania
$40.4M +$3.79M +22,035 +11%
WorldQuant Millennium Advisors
117
WorldQuant Millennium Advisors
New York
$40.1M +$13.6M +78,812 +55%
Aberdeen Group
118
Aberdeen Group
United Kingdom
$40.1M +$4.25M +24,721 +13%
FGP
119
Freestone Grove Partners
California
$39.9M +$37.5M +217,704 +8,093%
DB
120
Danske Bank
Denmark
$39.8M +$10.9M +63,172 +40%
Bank of Montreal
121
Bank of Montreal
Ontario, Canada
$39.8M -$5.23M -30,386 -12%
State Board of Administration of Florida Retirement System
122
State Board of Administration of Florida Retirement System
Florida
$38.7M -$346K -2,010 -0.9%
Assenagon Asset Management
123
Assenagon Asset Management
Luxembourg
$37.5M -$18.3M -106,636 -34%
FMI
124
Factory Mutual Insurance
Massachusetts
$36.5M +$5.25M +30,500 +18%
Citigroup
125
Citigroup
New York
$36.1M -$3.33M -19,339 -9%

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.