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Amphenol

1,819 hedge funds and large institutions have $141B invested in Amphenol in 2025 Q3 according to their latest regulatory filings, with 282 funds opening new positions, 716 increasing their positions, 619 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: 716 | Existing positions reduced: 619

11% more funds holding

Funds holding: 1,6411,819 (+178)

2.89% less ownership

Funds ownership: 96.13%93.24% (-2.9%)

Holders
1,819
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
92
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 +$1.61B
2 +$880M
3 +$698M
4
BlackRock
BlackRock
New York
+$690M
5
Winslow Capital Management
Winslow Capital Management
Minnesota
+$486M

Top Sellers

1 -$1.68B
2 -$1.04B
3 -$971M
4
Bank of New York Mellon
Bank of New York Mellon
New York
-$469M
5
D.E. Shaw & Co
D.E. Shaw & Co
New York
-$265M
Name Holding Trade Value Shares
Change
Change in
Stake
CCM
401
Carderock Capital Management
Maryland
$16.6M
ACM
402
Ayrshire Capital Management
Connecticut
$16.6M
IG
403
ING Group
Netherlands
$16.4M
SOADOR
404
State of Alaska Department of Revenue
Alaska
$16.2M
RPI
405
Railway Pension Investments
United Kingdom
$16.1M
WA
406
Watchtower Advisors
Connecticut
$16.1M
BBVA
407
Banco Bilbao Vizcaya Argentaria
Spain
$16M
FLPIM
408
F.L. Putnam Investment Management
Massachusetts
$15.9M
ICP
409
Ironvine Capital Partners
Nebraska
$15.6M
DWA
410
Dorsey Wright & Associates
California
$15.6M
CB
411
Commerce Bank
Missouri
$15.6M
SPIA
412
Steward Partners Investment Advisory
New York
$15.5M
EGM
413
Engineers Gate Manager
New York
$15.5M
PL
414
Parkwood LLC
Ohio
$15.4M
BAAM
415
Baker Avenue Asset Management
California
$15.4M
CCP
416
Clough Capital Partners
Massachusetts
$15.3M
HI
417
Horizon Investments
North Carolina
$15.3M
1CP
418
11 Capital Partners
Connecticut
$15.1M
BCI
419
Brinker Capital Investments
Pennsylvania
$15.1M
P
420
&Partners
Tennessee
$15M
MOS
421
MGO One Seven
Ohio
$14.8M
CP
422
CenterBook Partners
Connecticut
$14.7M
AI
423
Atria Investments
North Carolina
$14.7M
AAP
424
Aristotle Atlantic Partners
Florida
$14.5M
FDP
425
Financiere des Professionnels
Quebec, Canada
$14.5M