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Amphenol

1,631 hedge funds and large institutions have $114B invested in Amphenol in 2025 Q2 according to their latest regulatory filings, with 326 funds opening new positions, 550 increasing their positions, 567 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 funds holding in top 10

Funds holding in top 10:

more capital invested

Capital invested by funds: $ → $

more call options, than puts

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

16% more funds holding

Funds holding: 1,4101,631 (+221)

2.38% more ownership

Funds ownership: 93.35%95.73% (+2.4%)

3% less repeat investments, than reductions

Existing positions increased: 550 | Existing positions reduced: 567

Holders
1,631
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
76
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$537M
Puts
$373M
Net Calls
Net Calls Change

Top Buyers

1 +$743M
2 +$536M
3 +$492M
4
Fidelity Investments
Fidelity Investments
Massachusetts
+$368M
5
D.E. Shaw & Co
D.E. Shaw & Co
New York
+$333M
Name Holding Trade Value Shares
Change
Change in
Stake
FT
251
Fiduciary Trust
Massachusetts
$33.5M
Comerica Bank
252
Comerica Bank
Texas
$33.2M
SSA
253
South Street Advisors
New York
$33.1M
QT
254
Quantbot Technologies
New York
$33.1M
CIM
255
Confluence Investment Management
Missouri
$32.9M
DP
256
Dearborn Partners
Illinois
$32.8M
JA
257
JLB & Associates
Michigan
$32.6M
MIM
258
Manitou Investment Management
Ontario, Canada
$32.6M
QCM
259
Quantinno Capital Management
New York
$32.4M
N
260
Natixis
France
$32.2M
IG
261
ING Group
Netherlands
$31.7M
FAF
262
Fjarde Ap-fonden
Sweden
$31.7M
NPPM
263
North Point Portfolio Managers
Ohio
$31.3M
Calamos Advisors
264
Calamos Advisors
Illinois
$30.3M
SI
265
Stephens Inc
Arkansas
$29.8M
FAF
266
Första AP-fonden
Sweden
$29.5M
COPPSERS
267
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$29.3M
CNB
268
Czech National Bank
Czech Republic
$29.2M
AIM
269
Achmea Investment Management
Netherlands
$28.8M
X
270
Xponance
Pennsylvania
$28.7M
CAM
271
Congress Asset Management
Massachusetts
$28.5M
OCM
272
Oribel Capital Management
New York
$28.4M
GI
273
Gradient Investments
Minnesota
$28.4M
NAM
274
NorthCrest Asset Manangement
Minnesota
$28.3M
WT
275
Whittier Trust
California
$27M