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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
OBAM
326
ODDO BHF Asset Management
France
$5.3M
M&T Bank
327
M&T Bank
New York
$5.29M -$296K -1,723 -6%
YCM
328
Yousif Capital Management
Michigan
$5.29M -$44.6K -259 -0.9%
CWM
329
CIBC World Markets
New York
$5.26M +$198K +1,148 +4%
DSC
330
Duncker Streett & Co
Missouri
$5.24M +$55.9K +325 +1%
Holocene Advisors
331
Holocene Advisors
New York
$5.23M +$3.5M +20,367 +239%
Susquehanna International Group
332
Susquehanna International Group
Pennsylvania
$5.19M +$807K +4,691 +20%
FAF
333
Fjarde Ap-fonden
Sweden
$5.16M +$1.69M +9,800 +52%
AF
334
Aviso Financial
Ontario, Canada
$5.14M -$1.22M -7,105 -20%
Hudson Bay Capital Management
335
Hudson Bay Capital Management
Connecticut
$5.13M +$4.8M +27,927 +6,420%
NEI
336
Northwest & Ethical Investments
Ontario, Canada
$5.08M +$4.14M +24,046 +599%
TC
337
TwinBeech Capital
New York
$5.05M +$3.14M +18,236 +188%
AUB
338
Atlantic Union Bankshares
Virginia
$4.96M +$178K +1,036 +4%
MMM
339
Mendel Money Management
Illinois
$4.9M -$110K -638 -2%
Nordea Investment Management
340
Nordea Investment Management
Sweden
$4.79M -$62.3K -362 -1%
YIH
341
Y-Intercept (HK)
Hong Kong
$4.66M +$4.43M +25,734 New
Wealthfront Advisers
342
Wealthfront Advisers
California
$4.64M -$126K -734 -3%
VPIM
343
Vanguard Personalized Indexing Management
California
$4.58M +$365K +2,119 +9%
Mackenzie Financial
344
Mackenzie Financial
Ontario, Canada
$4.46M +$180K +1,045 +4%
QCG
345
Quadrant Capital Group
Ohio
$4.43M +$2.17M +12,609 +106%
RAM
346
Robocap Asset Management
United Kingdom
$4.39M -$1.58M -9,158 -27%
Walleye Capital
347
Walleye Capital
New York
$4.36M +$3.51M +20,425 +553%
OSAM
348
O'Shaughnessy Asset Management
Connecticut
$4.3M +$370K +2,149 +10%
CISOA
349
Capital Investment Services of America
Wisconsin
$4.28M
SP
350
Saranac Partners
$4.22M -$176K -1,025 -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.