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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
BIA
576
Baer Investment Advisory
California
$6.47M
AT
577
American Trust
Kentucky
$6.46M
SCM
578
Sterling Capital Management
North Carolina
$6.41M
HVIA
579
Hudson Valley Investment Advisors
New York
$6.4M
MFG
580
Merit Financial Group
Georgia
$6.38M
SFS
581
Sowell Financial Services
Arkansas
$6.25M
AssetMark Inc
582
AssetMark Inc
California
$6.24M
PP
583
Prudential plc
United Kingdom
$6.22M
PAG
584
Private Advisor Group
New Jersey
$6.21M
UOC
585
UBS O'Connor
Illinois
$6.19M
OFA
586
Oak Family Advisors
Illinois
$6.19M
LFAS
587
Level Four Advisory Services
Texas
$6.09M
TSW
588
Thompson Siegel & Walmsley
Virginia
$6.06M
NSB
589
Norway Savings Bank
Maine
$6.06M
GI
590
GAMMA Investing
California
$6M
CUAMC
591
China Universal Asset Management Company
China
$5.95M
LP
592
LMR Partners
United Kingdom
$5.94M
SF
593
Synovus Financial
Georgia
$5.92M
BFPW
594
BOK Financial Private Wealth
Colorado
$5.77M
CI
595
Capital International
California
$5.77M
SLI
596
Sumitomo Life Insurance
Japan
$5.76M
CCFCSB
597
Cape Cod Five Cents Savings Bank
Massachusetts
$5.67M
COI
598
Connable Office Inc
Michigan
$5.66M
KAS
599
Kestra Advisory Services
Texas
$5.65M
EB
600
Eastern Bank
Massachusetts
$5.64M