Amphenol
APH
2,134 hedge funds and large institutions have $145B invested in Amphenol in 2026 Q1 according to their latest regulatory filings, with 255 funds opening new positions, 871 increasing their positions, 815 reducing their positions, and 145 closing their positions.
76% more first-time investments, than exits
New positions opened: 255 | Existing positions closed: 145
4% more funds holding
Funds holding: 2,058 → 2,134 (+76)
7% more repeat investments, than reductions
Existing positions increased: 871 | Existing positions reduced: 815
0.78% less ownership
Funds ownership: 94.66% → 93.88% (-0.78%)
7% less capital invested
Capital invested by funds: $157B → $145B (-$11.2B)
14% less funds holding in top 10
Funds holding in top 10: 99 → 85 (-14)
45% less call options, than puts
Call options by funds: $604M | Put options by funds: $1.1B
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
JP Morgan Chase
New York
|
+$2.1B |
| 2 |
Capital International Investors
Los Angeles,
California
|
+$1.64B |
| 3 |
Capital Research Global Investors
Los Angeles,
California
|
+$1.43B |
| 4 |
Nuveen
Charlotte,
North Carolina
|
+$749M |
| 5 |
SG Americas Securities
New York
|
+$437M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
T. Rowe Price Associates
Baltimore,
Maryland
|
-$1.65B |
| 2 |
T. Rowe Price Investment Management
Baltimore,
Maryland
|
-$1.34B |
| 3 |
Fidelity Investments
Boston,
Massachusetts
|
-$977M |
| 4 |
BlackRock
New York
|
-$587M |
| 5 |
ATO
Alecta Tjanstepension Omsesidigt
Stockholm,
Sweden
|
-$495M |
APH Hedge Fund Activity: Q1 2026 in Review
2,134 of the 8,207 institutional investors tracked by Wall St. Rank reported a position in Amphenol (APH) for Q1 2026, worth a combined $145B — down 7.1% from $157B a quarter earlier.
Buyers outnumbered sellers: 255 funds opened new APH positions and 145 closed out — a net gain of 110 holders — while 871 added to existing stakes and 815 trimmed.
The largest buyer was JP Morgan Chase, adding an estimated $2.1B. The largest seller was T. Rowe Price Associates, cutting an estimated $1.65B.
- 2,134 institutional investors held Amphenol (APH) as of Q1 2026, up from 2,058 in Q4 2025.
- Funds reported $145B of Amphenol stock for Q1 2026, down 7.1% quarter-over-quarter.
- 255 funds opened new Amphenol positions in Q1 2026 and 145 closed out, a net change of +110 holders.
- The largest Amphenol buyer in Q1 2026 was JP Morgan Chase, an estimated $2.1B added.
- The largest Amphenol seller in Q1 2026 was T. Rowe Price Associates, an estimated $1.65B sold.
Based on aggregated 13F filings for Q1 2026.