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Amphenol

1,826 hedge funds and large institutions have $141B invested in Amphenol in 2025 Q3 according to their latest regulatory filings, with 283 funds opening new positions, 721 increasing their positions, 621 reducing their positions, and 85 closing their positions.

New
Increased
Maintained
Reduced
Closed

233% more first-time investments, than exits

New positions opened: 283 | Existing positions closed: 85

42% more call options, than puts

Call options by funds: $764M | Put options by funds: $539M

23% more capital invested

Capital invested by funds: $115B → $141B (+$26.4B)

19% more funds holding in top 10

Funds holding in top 10: 7893 (+15)

16% more repeat investments, than reductions

Existing positions increased: 721 | Existing positions reduced: 621

11% more funds holding

Funds holding: 1,6461,826 (+180)

2.83% less ownership

Funds ownership: 96.18%93.35% (-2.8%)

Holders
1,826
Holders Change
+180
Holders Change %
+10.94%
% of All Funds
23.97%
Holding in Top 10
93
Holding in Top 10 Change
+15
Holding in Top 10 Change %
+19.23%
% of All Funds
1.22%
New
283
Increased
721
Reduced
621
Closed
85
Calls
$764M
Puts
$539M
Net Calls
+$225M
Net Calls Change
+$60.9M
Name Holding Trade Value Shares
Change
Change in
Stake
Nomura Asset Management
226
Nomura Asset Management
Japan
$51M -$277K -2,520 -0.6%
CNAM
227
Campbell Newman Asset Management
Wisconsin
$50.7M -$4.35M -39,611 -9%
TCM
228
TimesSquare Capital Management
New York
$50.6M -$2.35M -21,393 -5%
GCM
229
Geneva Capital Management
Wisconsin
$50.4M -$12.1M -110,188 -21%
MVIP
230
Mar Vista Investment Partners
California
$50.3M -$1.81M -16,485 -4%
MTC
231
McDaniel Terry & Co
Texas
$50.2M -$256K -2,335 -0.6%
LIP
232
Liontrust Investment Partners
United Kingdom
$49.9M +$20.1M +182,841 +83%
BNP Paribas Asset Management
233
BNP Paribas Asset Management
France
$49.5M +$15.7M +143,321 +56%
NLGIA
234
Nippon Life Global Investors Americas
New York
$48.9M +$27M +245,880 +165%
FMI
235
Factory Mutual Insurance
Massachusetts
$48.7M
QCM
236
QRG Capital Management
Illinois
$48.1M -$67M -610,171 -61%
AHT
237
Amanah Holdings Trust
$47.4M
FGP
238
Freestone Grove Partners
California
$47M +$41.7M +380,148 New
UB
239
UMB Bank
Missouri
$46.9M -$260K -2,366 -0.6%
Public Sector Pension Investment Board (PSP Investments)
240
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$45.5M +$1.71M +15,610 +4%
MIM
241
MetLife Investment Management
New Jersey
$44.5M +$39.5M +359,774 New
Brown Advisory
242
Brown Advisory
Maryland
$44.3M -$443K -4,035 -1%
NB
243
Norinchukin Bank
Japan
$44.2M -$20M -182,200 -34%
FMII
244
Farmers & Merchants Investments Inc
Nebraska
$44M -$2.72M -24,767 -7%
Bank of Nova Scotia
245
Bank of Nova Scotia
Ontario, Canada
$43.9M -$3.73M -34,014 -9%
ASRS
246
Arizona State Retirement System
Arizona
$43.7M -$108K -982 -0.3%
KC
247
Kepler Cheuvreux
$43.5M +$38.6M +351,385 New
RG
248
Renaissance Group
Kentucky
$43.4M -$5.48M -49,951 -12%
ProShare Advisors
249
ProShare Advisors
Maryland
$42.5M -$2.32M -21,171 -6%
MDSL
250
M.D. Sass LLC
New York
$41.6M -$29.5M -268,401 -44%