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Amphenol

1,802 hedge funds and large institutions have $140B invested in Amphenol in 2025 Q3 according to their latest regulatory filings, with 283 funds opening new positions, 709 increasing their positions, 610 reducing their positions, and 85 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more call options, than puts

Call options by funds: $ | Put options by funds: $

more capital invested

Capital invested by funds: $ → $

more funds holding in top 10

Funds holding in top 10:

16% more repeat investments, than reductions

Existing positions increased: 709 | Existing positions reduced: 610

10% more funds holding

Funds holding: 1,6371,802 (+165)

3.56% less ownership

Funds ownership: 96.01%92.45% (-3.6%)

Holders
1,802
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
91
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$764M
Puts
$539M
Net Calls
Net Calls Change

Top Buyers

1 +$1.82B
2 +$993M
3 +$787M
4
BlackRock
BlackRock
New York
+$778M
5
Winslow Capital Management
Winslow Capital Management
Minnesota
+$548M

Top Sellers

1 -$1.89B
2 -$1.18B
3 -$1.09B
4
Bank of New York Mellon
Bank of New York Mellon
New York
-$529M
5
D.E. Shaw & Co
D.E. Shaw & Co
New York
-$299M
Name Holding Trade Value Shares
Change
Change in
Stake
Janney Montgomery Scott
276
Janney Montgomery Scott
Pennsylvania
$35.1M
IC
277
IEQ Capital
California
$35M
AC
278
Addenda Capital
Quebec, Canada
$34.9M
SI
279
Stephens Inc
Arkansas
$34.8M
WT
280
Whittier Trust
California
$34.3M
AB
281
Amalgamated Bank
New York
$34.2M
ACM
282
Aquatic Capital Management
Illinois
$33.9M
OAM
283
Oppenheimer Asset Management
New York
$33.6M
Daiwa Securities Group
284
Daiwa Securities Group
Japan
$33.2M
MR
285
Munich Reinsurance
$33.1M
NCM
286
Noesis Capital Mangement
Florida
$32.4M
CC
287
Cornerstone Capital
California
$32.3M
Retirement Systems of Alabama
288
Retirement Systems of Alabama
Alabama
$32.2M
NSAM
289
North Star Asset Management
Wisconsin
$31.9M
JF
290
Jump Financial
Illinois
$31.9M
WAM
291
Weiss Asset Management
Massachusetts
$31.7M
HighTower Advisors
292
HighTower Advisors
Illinois
$31.7M
ERSOT
293
Employees Retirement System of Texas
Texas
$31.5M
Wealth Enhancement Advisory Services
294
Wealth Enhancement Advisory Services
Minnesota
$31.4M
FLII
295
First Long Island Investors
New York
$31.2M
TG
296
TCW Group
California
$30.8M
JSA
297
Jacobson & Schmitt Advisors
Wisconsin
$30.7M
Mirae Asset Global Investments
298
Mirae Asset Global Investments
South Korea
$30.7M
VPIM
299
Vanguard Personalized Indexing Management
California
$30.3M
HIC
300
Harvey Investment Company
Kentucky
$30.3M