MAM
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Martingale Asset Management’s Amphenol APH Stock Holding History

Martingale Asset Management’s Portfolio APH Stock Details APH Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$13.2M Sell
74,631
-311
-0.4% -$44.8K 0.31% 105
2026
Q1 		$9.47M Sell
74,942
-11,469
-13% -$1.61M 0.24% 115
2025
Q4 		$11.7M Buy
86,411
+51,908
+150% +$6.94M 0.3% 111
2025
Q3 		$4.27M Buy
+34,503
New +$3.79M 0.11% 170

Other funds holding APH

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $717B AUM 35.42% 1-Year Est. Return

Martingale Asset Management's APH Position: Q2 2026 in Review

Martingale Asset Management reduced its Amphenol (APH) stake by 0.41% in Q2 2026, selling an estimated $44.8K and leaving 74,631 shares worth $13.2M. The position accounts for 0.31% of the portfolio, ranked #105.

Martingale Asset Management first reported a position in APH in Q3 2025 and has held it in 4 quarters since. 2,313 funds tracked by Wall St. Rank hold APH as of Q2 2026.

  • Martingale Asset Management held 74,631 shares of Amphenol worth $13.2M as of Q2 2026.
  • Martingale Asset Management sold 311 Amphenol shares in Q2 2026, an estimated $44.8K.
  • Amphenol made up 0.31% of Martingale Asset Management's portfolio in Q2 2026, its #105 holding.
  • Martingale Asset Management first reported a position in Amphenol in Q3 2025 and has held it in 4 quarters since.
  • 2,313 funds tracked by Wall St. Rank held Amphenol as of Q2 2026.

Based on Martingale Asset Management's 13F filing for Q2 2026, filed 13 Aug 2026.