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Custom Index Systems’s Amphenol APH Stock Holding History

Custom Index Systems’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 		$1.61M Buy
18,310
+134
+0.7% +$9.66K 0.58% 39
2026
Q1 		$1.15M Sell
18,176
-4
-0% -$282 0.5% 46
2025
Q4 		$1.23M Sell
18,180
-12,062
-40% -$807K 0.54% 50
2025
Q3 		$1.87M Buy
30,242
+11,240
+59% +$617K 0.56% 45
2025
Q2 		$938K Sell
19,002
-2,218
-10% -$90.7K 0.45% 64
2025
Q1 		$696K Buy
+21,220
New +$724K 0.35% 82

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

Custom Index Systems's APH Position: Q2 2026 in Review

Custom Index Systems increased its Amphenol (APH) stake by 0.74% in Q2 2026, buying an estimated $9.66K and bringing the position to 18,310 shares worth $1.61M. The position accounts for 0.58% of the portfolio, ranked #39.

Custom Index Systems first reported a position in APH in Q1 2025 and has held it in 6 quarters since. The position peaked at $1.87M in Q3 2025. 2,327 funds tracked by Wall St. Rank hold APH as of Q2 2026.

  • Custom Index Systems held 18,310 shares of Amphenol worth $1.61M as of Q2 2026.
  • Custom Index Systems bought 134 Amphenol shares in Q2 2026, an estimated $9.66K.
  • Amphenol made up 0.58% of Custom Index Systems's portfolio in Q2 2026, its #39 holding.
  • Custom Index Systems first reported a position in Amphenol in Q1 2025 and has held it in 6 quarters since.
  • Custom Index Systems's Amphenol position peaked at $1.87M in Q3 2025.
  • 2,327 funds tracked by Wall St. Rank held Amphenol as of Q2 2026.

Based on Custom Index Systems's 13F filing for Q2 2026, filed 14 Aug 2026.