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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
IMRF
576
Illinois Municipal Retirement Fund
Illinois
$6.58M
GCM
577
Graham Capital Management
Connecticut
$6.52M
WDA
578
Wendell David Associates
New Hampshire
$6.49M
BIA
579
Baer Investment Advisory
California
$6.47M
AT
580
American Trust
Kentucky
$6.46M
SCM
581
Sterling Capital Management
North Carolina
$6.41M
HVIA
582
Hudson Valley Investment Advisors
New York
$6.4M
MFG
583
Merit Financial Group
Georgia
$6.38M
AG
584
AIA Group
Hong Kong
$6.31M
SFS
585
Sowell Financial Services
Arkansas
$6.25M
AssetMark Inc
586
AssetMark Inc
California
$6.24M
PP
587
Prudential plc
United Kingdom
$6.22M
PAG
588
Private Advisor Group
New Jersey
$6.21M
UOC
589
UBS O'Connor
Illinois
$6.19M
OFA
590
Oak Family Advisors
Illinois
$6.19M
LFAS
591
Level Four Advisory Services
Texas
$6.09M
KP
592
Keel Point
Alabama
$6.07M
TSW
593
Thompson Siegel & Walmsley
Virginia
$6.06M
NSB
594
Norway Savings Bank
Maine
$6.06M
GI
595
GAMMA Investing
California
$6M
CUAMC
596
China Universal Asset Management Company
China
$5.95M
LP
597
LMR Partners
United Kingdom
$5.94M
SF
598
Synovus Financial
Georgia
$5.92M
BFPW
599
BOK Financial Private Wealth
Colorado
$5.77M
CI
600
Capital International
California
$5.77M