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 Q1	$1.15M	Sell	9,088 -2	-0%	-$282	0.5%	46
2025 Q4	$1.23M	Sell	9,090 -6,031	-40%	-$807K	0.54%	50
2025 Q3	$1.87M	Buy	15,121 +5,620	+59%	+$617K	0.56%	45
2025 Q2	$938K	Sell	9,501 -1,109	-10%	-$90.7K	0.45%	64
2025 Q1	$696K	Buy	+10,610	New	+$724K	0.35%	82

Other funds holding APH

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

Custom Index Systems's APH Position: Q1 2026 in Review

Custom Index Systems reduced its Amphenol (APH) stake by 0.02% in Q1 2026, selling an estimated $282 and leaving 9,088 shares worth $1.15M. The position accounts for 0.5% of the portfolio, ranked #46.

Custom Index Systems first reported a position in APH in Q1 2025 and has held it in 5 quarters since. The position peaked at $1.87M in Q3 2025. 2,114 funds tracked by Wall St. Rank hold APH as of Q1 2026.

Custom Index Systems held 9,088 shares of Amphenol worth $1.15M as of Q1 2026.
Custom Index Systems sold 2 Amphenol shares in Q1 2026, an estimated $282.
Amphenol made up 0.5% of Custom Index Systems's portfolio in Q1 2026, its #46 holding.
Custom Index Systems first reported a position in Amphenol in Q1 2025 and has held it in 5 quarters since.
Custom Index Systems's Amphenol position peaked at $1.87M in Q3 2025.
2,114 funds tracked by Wall St. Rank held Amphenol as of Q1 2026.

Based on Custom Index Systems's 13F filing for Q1 2026, filed 29 Apr 2026.