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Amphenol
APH

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: 78 → 93 (+15)

16% more repeat investments, than reductions

Existing positions increased: 721 | Existing positions reduced: 621

11% more funds holding

Funds holding: 1,646 → 1,826 (+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

Top Buyers

1
Capital International Investors
Capital International Investors
California
+$1.61B
2
Capital Research Global Investors
Capital Research Global Investors
California
+$880M
3
Arrowstreet Capital
Arrowstreet Capital
Massachusetts
+$698M
4
BlackRock
BlackRock
New York
+$690M
5
Winslow Capital Management
Winslow Capital Management
Minnesota
+$486M

Top Sellers

1
Vanguard Group
Vanguard Group
Pennsylvania
-$1.68B
2
T. Rowe Price Investment Management
T. Rowe Price Investment Management
Maryland
-$1.04B
3
Fidelity Investments
Fidelity Investments
Massachusetts
-$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
CYG
1276
Clean Yield Group
Vermont
$481K – – –
PCP
1277
Perbak Capital Partners
United Kingdom
$481K +$187K +1,707 +78%
ECM
1278
Eisler Capital Management
United Kingdom
$480K +$446K +4,066 New
BIG
1279
Brookwood Investment Group
Arizona
$478K +$424K +3,865 New
BWP
1280
Balboa Wealth Partners
Arizona
$478K -$878 -8 -0.2%
DCM
1281
DGS Capital Management
New Jersey
$477K +$423K +3,851 New
FBB
1282
Fulton Breakefield Broenniman
Maryland
$476K – – –
NRC
1283
New Republic Capital
North Carolina
$475K -$21.5K -196 -5%
KFS
1284
Kurt F. Somerville
$473K – – –
LAM
1285
Lifestyle Asset Management
Texas
$471K +$42.8K +390 +11%
AWA
1286
A4 Wealth Advisors
North Carolina
$468K +$415K +3,778 New
EI
1287
Ellevest Inc
New York
$467K -$39.4K -359 -9%
AF
1288
Aviso Financial
Ontario, Canada
$465K -$145K -1,324 -26%
LCWP
1289
Legacy Capital Wealth Partners
Arkansas
$464K +$411K +3,748 New
PSP
1290
Principal Street Partners
Tennessee
$463K -$358K -3,267 -47%
WWC
1291
Waypoint Wealth Counsel
Georgia
$461K +$42.1K +384 +11%
EA
1292
Everpar Advisors
Oklahoma
$460K +$4.06K +37 +1%
GS
1293
GTS Securities
New York
$458K -$41.6K -379 -9%
FHC
1294
First Horizon Corporation
Tennessee
$458K +$406K +3,702 New
MAM
1295
Marquette Asset Management
Minnesota
$458K – – –
CCA
1296
Childress Capital Advisors
Texas
$455K +$42.9K +391 +12%
OFO
1297
OneAscent Family Office
Alabama
$453K -$18K -164 -4%
BBL
1298
Beck Bode LLC
Massachusetts
$451K -$528K -4,810 -57%
PB
1299
Pinnacle Bancorp
Nebraska
$450K +$26.2K +239 +7%
IWM
1300
IHT Wealth Management
Illinois
$448K +$36.3K +331 +10%
50 51
52
53 54

APH Hedge Fund Activity: Q3 2025 in Review

1,826 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in Amphenol (APH) for Q3 2025, worth a combined $141B — up 23% from $115B a quarter earlier.

Buyers outnumbered sellers: 283 funds opened new APH positions and 85 closed out — a net gain of 198 holders — while 721 added to existing stakes and 621 trimmed.

The largest buyer was Capital International Investors, adding an estimated $1.61B. The largest seller was Vanguard Group, cutting an estimated $1.68B.

  • 1,826 institutional investors held Amphenol (APH) as of Q3 2025, up from 1,646 in Q2 2025.
  • Funds reported $141B of Amphenol stock for Q3 2025, up 23% quarter-over-quarter.
  • 283 funds opened new Amphenol positions in Q3 2025 and 85 closed out, a net change of +198 holders.
  • The largest Amphenol buyer in Q3 2025 was Capital International Investors, an estimated $1.61B added.
  • The largest Amphenol seller in Q3 2025 was Vanguard Group, an estimated $1.68B sold.

Based on aggregated 13F filings for Q3 2025.