CenterBook Partners’s Amphenol APH Stock Holding History

CenterBook Partners’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	$868K	Sell	9,846 -294,808	-97%	-$21.3M	0.04%	384
2026 Q1	$19.2M	Sell	304,654 -27,282	-8%	-$1.92M	1.03%	14
2025 Q4	$22.4M	Buy	331,936 +94,108	+40%	+$6.29M	1.1%	15
2025 Q3	$14.7M	Buy	237,828 +195,514	+462%	+$10.7M	0.73%	26
2025 Q2	$2.09M	Sell	42,314 -1,644	-4%	-$67.2K	0.12%	217
2025 Q1	$1.44M	Buy	+43,958	New	+$1.5M	0.09%	247
2024 Q4	–	Sell	-34,500	Closed	-$1.12M	–	469
2024 Q3	$1.12M	Buy	+34,500	New	+$1.12M	0.07%	286

Other funds holding APH

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Capital Research Global Investors Los Angeles, California $717B AUM 35.42% 1-Year Est. Return

CenterBook Partners's APH Position: Q2 2026 in Review

CenterBook Partners reduced its Amphenol (APH) stake by 97% in Q2 2026, selling an estimated $21.3M and leaving 9,846 shares worth $868K. The position accounts for 0.04% of the portfolio, ranked #384.

CenterBook Partners first reported a position in APH in Q3 2024 and has held it in 7 quarters since. The position peaked at $22.4M in Q4 2025. 2,340 funds tracked by Wall St. Rank hold APH as of Q2 2026.

CenterBook Partners held 9,846 shares of Amphenol worth $868K as of Q2 2026.
CenterBook Partners sold 294,808 Amphenol shares in Q2 2026, an estimated $21.3M.
Amphenol made up 0.04% of CenterBook Partners's portfolio in Q2 2026, its #384 holding.
CenterBook Partners first reported a position in Amphenol in Q3 2024 and has held it in 7 quarters since.
CenterBook Partners's Amphenol position peaked at $22.4M in Q4 2025.
2,340 funds tracked by Wall St. Rank held Amphenol as of Q2 2026.

Based on CenterBook Partners's 13F filing for Q2 2026, filed 11 Aug 2026.