Amphenol
APH
1,429 hedge funds and large institutions have $75.9B invested in Amphenol in 2025 Q1 according to their latest regulatory filings, with 181 funds opening new positions, 603 increasing their positions, 470 reducing their positions, and 138 closing their positions.
44% more call options, than puts
Call options by funds: $259M | Put options by funds: $179M
31% more first-time investments, than exits
New positions opened: 181 | Existing positions closed: 138
28% more repeat investments, than reductions
Existing positions increased: 603 | Existing positions reduced: 470
20% more capital inflows, than outflows
Capital inflows: $6.41B | Capital outflows: $5.36B
2% more funds holding
Funds holding: 1,407 → 1,429 (+22)
0.53% more ownership
Funds ownership: 94.97% → 95.5% (+0.53%)
9% less funds holding in top 10
Funds holding in top 10: 53 → 48 (-5)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
T. Rowe Price Investment Management
Baltimore,
Maryland
|
+$757M |
| 2 |
UBS AM
Chicago,
Illinois
|
+$517M |
| 3 |
Wellington Management Group
Boston,
Massachusetts
|
+$352M |
| 4 |
Franklin Resources
San Mateo,
California
|
+$280M |
| 5 |
BlackRock
New York
|
+$225M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
T. Rowe Price Associates
Baltimore,
Maryland
|
-$1.15B |
| 2 |
Citadel Advisors
Miami,
Florida
|
-$286M |
| 3 |
Winslow Capital Management
Minneapolis,
Minnesota
|
-$254M |
| 4 |
Balyasny Asset Management
Chicago,
Illinois
|
-$182M |
| 5 |
Mawer Investment Management
Calgary,
Alberta, Canada
|
-$169M |
APH Hedge Fund Activity: Q1 2025 in Review
1,429 of the 7,481 institutional investors tracked by Wall St. Rank reported a position in Amphenol (APH) for Q1 2025, worth a combined $75.9B — down 4.6% from $79.6B a quarter earlier.
Buyers outnumbered sellers: 181 funds opened new APH positions and 138 closed out — a net gain of 43 holders — while 603 added to existing stakes and 470 trimmed.
The largest buyer was T. Rowe Price Investment Management, adding an estimated $757M. The largest seller was T. Rowe Price Associates, cutting an estimated $1.15B.
- 1,429 institutional investors held Amphenol (APH) as of Q1 2025, up from 1,407 in Q4 2024.
- Funds reported $75.9B of Amphenol stock for Q1 2025, down 4.6% quarter-over-quarter.
- 181 funds opened new Amphenol positions in Q1 2025 and 138 closed out, a net change of +43 holders.
- The largest Amphenol buyer in Q1 2025 was T. Rowe Price Investment Management, an estimated $757M added.
- The largest Amphenol seller in Q1 2025 was T. Rowe Price Associates, an estimated $1.15B sold.
Based on aggregated 13F filings for Q1 2025.