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Amphenol

1,812 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, 712 increasing their positions, 616 reducing their positions, and 87 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: 712 | Existing positions reduced: 616

10% more funds holding

Funds holding: 1,6401,812 (+172)

2.98% less ownership

Funds ownership: 96.13%93.15% (-3%)

Holders
1,812
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 +$1.82B
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
ACM
401
Ayrshire Capital Management
Connecticut
$16.6M
IG
402
ING Group
Netherlands
$16.4M
SOADOR
403
State of Alaska Department of Revenue
Alaska
$16.2M
RPI
404
Railway Pension Investments
United Kingdom
$16.1M
WA
405
Watchtower Advisors
Connecticut
$16.1M
BBVA
406
Banco Bilbao Vizcaya Argentaria
Spain
$16M
FLPIM
407
F.L. Putnam Investment Management
Massachusetts
$15.9M
ICP
408
Ironvine Capital Partners
Nebraska
$15.6M
DWA
409
Dorsey Wright & Associates
California
$15.6M
CB
410
Commerce Bank
Missouri
$15.6M
SPIA
411
Steward Partners Investment Advisory
New York
$15.5M
EGM
412
Engineers Gate Manager
New York
$15.5M
PL
413
Parkwood LLC
Ohio
$15.4M
BAAM
414
Baker Avenue Asset Management
California
$15.4M
CCP
415
Clough Capital Partners
Massachusetts
$15.3M
HI
416
Horizon Investments
North Carolina
$15.3M
1CP
417
11 Capital Partners
Connecticut
$15.1M
BCI
418
Brinker Capital Investments
Pennsylvania
$15.1M
P
419
&Partners
Tennessee
$15M
MOS
420
MGO One Seven
Ohio
$14.8M
CP
421
CenterBook Partners
Connecticut
$14.7M
AI
422
Atria Investments
North Carolina
$14.7M
AAP
423
Aristotle Atlantic Partners
Florida
$14.5M
FDP
424
Financiere des Professionnels
Quebec, Canada
$14.5M
WP
425
Woodline Partners
California
$14.4M