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Amphenol

2,312 hedge funds and large institutions have $204B invested in Amphenol in 2026 Q2 according to their latest regulatory filings, with 373 funds opening new positions, 974 increasing their positions, 774 reducing their positions, and 140 closing their positions.

New
Increased
Maintained
Reduced
Closed

166% more first-time investments, than exits

New positions opened: 373 | Existing positions closed: 140

41% more capital invested

Capital invested by funds: $145B → $204B (+$59.1B)

36% more funds holding in top 10

Funds holding in top 10: 85116 (+31)

26% more repeat investments, than reductions

Existing positions increased: 974 | Existing positions reduced: 774

18% more call options, than puts

Call options by funds: $1.26B | Put options by funds: $1.07B

9% more funds holding

Funds holding: 2,1252,312 (+187)

0.87% more ownership

Funds ownership: 93.83%94.7% (+0.87%)

Holders
2,312
Holders Change
+187
Holders Change %
+8.8%
% of All Funds
27.98%
Holding in Top 10
116
Holding in Top 10 Change
+31
Holding in Top 10 Change %
+36.47%
% of All Funds
1.4%
New
373
Increased
974
Reduced
774
Closed
140
Calls
$1.26B
Puts
$1.07B
Net Calls
+$190M
Net Calls Change
+$691M
Name Holding Trade Value Shares
Change
Change in
Stake
KeyBank National Association
151
KeyBank National Association
Ohio
$144M -$3.34M -23,152 -3%
SEI Investments
152
SEI Investments
Pennsylvania
$143M -$51M -353,924 -30%
WJWM
153
Williams Jones Wealth Management
New York
$143M -$1.06M -7,331 -0.9%
CAM
154
Close Asset Management
United Kingdom
$143M -$39.2M -271,715 -25%
ACM
155
Analog Century Management
New York
$143M +$4.17M +28,938 +4%
BG
156
Bahl & Gaynor
Ohio
$142M +$66.9M +464,297 +135%
Canada Life
157
Canada Life
Manitoba, Canada
$142M -$607K -4,208 -0.5%
WorldQuant Millennium Advisors
158
WorldQuant Millennium Advisors
New York
$140M -$221M -1,533,687 -66%
Citadel Advisors
159
Citadel Advisors
Florida
$138M -$36.5M -253,181 -24%
PAM
160
Panagora Asset Management
Massachusetts
$135M +$101M +702,043 +1,133%
Sands Capital Management
161
Sands Capital Management
Virginia
$135M -$6M -41,651 -5%
LFG
162
Lazard Frères Gestion
France
$134M +$10.1M +70,280 +10%
KBC Group
163
KBC Group
Belgium
$132M -$77.5M -537,673 -42%
SFFS
164
Stonehage Fleming Financial Services
Jersey
$131M -$16.6M -115,023 -13%
PC
165
Port Capital
Illinois
$131M -$9.93M -68,860 -8%
Squarepoint
166
Squarepoint
New York
$131M +$81.4M +564,919 +320%
DekaBank Deutsche Girozentrale
167
DekaBank Deutsche Girozentrale
Germany
$129M
US Bancorp
168
US Bancorp
Minnesota
$128M +$17M +117,631 +19%
Treasurer of the State of North Carolina
169
Treasurer of the State of North Carolina
North Carolina
$127M +$28.8M +199,970 +38%
BHIA
170
Birch Hill Investment Advisors
Massachusetts
$127M +$3.14M +21,797 +3%
DCP
171
DSM Capital Partners
Florida
$125M +$102M +710,204 New
HL
172
Harding Loevner
New Jersey
$125M -$26.4M -183,432 -21%
EC
173
E20 Capital
$124M +$102M +704,122 New
Rockefeller Capital Management
174
Rockefeller Capital Management
New York
$124M +$8.07M +55,964 +9%
STA
175
Summit Trail Advisors
New York
$123M -$2.81M -19,485 -3%

APH Hedge Fund Activity: Q2 2026 in Review

2,312 of the 8,263 institutional investors tracked by Wall St. Rank reported a position in Amphenol (APH) for Q2 2026, worth a combined $204B — up 41% from $145B a quarter earlier.

Buyers outnumbered sellers: 373 funds opened new APH positions and 140 closed out — a net gain of 233 holders — while 974 added to existing stakes and 774 trimmed.

The largest buyer was Capital International Investors, adding an estimated $1.11B. The largest seller was JP Morgan Chase, cutting an estimated $1.45B.

  • 2,312 institutional investors held Amphenol (APH) as of Q2 2026, up from 2,125 in Q1 2026.
  • Funds reported $204B of Amphenol stock for Q2 2026, up 41% quarter-over-quarter.
  • 373 funds opened new Amphenol positions in Q2 2026 and 140 closed out, a net change of +233 holders.
  • The largest Amphenol buyer in Q2 2026 was Capital International Investors, an estimated $1.11B added.
  • The largest Amphenol seller in Q2 2026 was JP Morgan Chase, an estimated $1.45B sold.

Based on aggregated 13F filings for Q2 2026.