Chesley Taft & Associates’s Amphenol APH Stock Holding History

Chesley Taft & Associates’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	$35.6M	Sell	404,124 -8,424	-2%	-$607K	1.39%	18
2026 Q1	$26.1M	Sell	412,548 -8	-0%	-$563	1.09%	20
2025 Q4	$27.9M	Buy	412,556 +30,686	+8%	+$2.05M	1.1%	24
2025 Q3	$23.6M	Sell	381,870 -13,066	-3%	-$717K	1%	27
2025 Q2	$19.5M	Sell	394,936 -7,910	-2%	-$323K	0.87%	33
2025 Q1	$13.2M	Sell	402,846 -1,804	-0.4%	-$61.5K	0.64%	46
2024 Q4	$14.1M	Sell	404,650 -11,292	-3%	-$395K	0.65%	43
2024 Q3	$13.6M	Sell	415,942 -5,514	-1%	-$179K	0.65%	45
2024 Q2	$14.2M	Sell	421,456 -7,752	-2%	-$245K	0.71%	44
2024 Q1	$12.4M	Sell	429,208 -26,556	-6%	-$696K	0.63%	45
2023 Q4	$11.3M	Sell	455,764 -5,028	-1%	-$111K	0.63%	46
2023 Q3	$9.68M	Sell	460,792 -4,068	-0.9%	-$87.5K	0.63%	44
2023 Q2	$9.87M	Sell	464,860 -1,676	-0.4%	-$32.6K	0.6%	46
2023 Q1	$9.53M	Sell	466,536 -15,116	-3%	-$298K	0.63%	48
2022 Q4	$9.17M	Sell	481,652 -8,852	-2%	-$167K	0.63%	47
2022 Q3	$8.21M	Buy	490,504 +180	+0%	+$3.27K	0.6%	45
2022 Q2	$7.89M	Sell	490,324 -6,540	-1%	-$114K	0.54%	51
2022 Q1	$8.92M	Sell	496,864 -12,720	-2%	-$246K	0.52%	55
2021 Q4	$11.1M	Sell	509,584 -2,180	-0.4%	-$44.1K	0.58%	52
2021 Q3	$9.37M	Sell	511,764 -1,976	-0.4%	-$36.3K	0.53%	54
2021 Q2	$8.79M	Buy	513,740 +1,480	+0.3%	+$25K	0.51%	57
2021 Q1	$8.81M	Sell	512,260 -7,980	-2%	-$130K	0.53%	56
2020 Q4	$8.5M	Sell	520,240 -400	-0.1%	-$6.15K	0.54%	57
2020 Q3	$7.05M	Sell	520,640 -28,880	-5%	-$381K	0.5%	58
2020 Q2	$6.58M	Sell	549,520 -103,080	-16%	-$1.15M	0.5%	53
2020 Q1	$5.95M	Sell	652,600 -6,360	-1%	-$75.8K	0.54%	54
2019 Q4	$8.91M	Sell	658,960 -920	-0.1%	-$11.7K	0.64%	46
2019 Q3	$7.96M	Buy	659,880 +1,728	+0.3%	+$19.9K	0.62%	50
2019 Q2	$7.89M	Buy	658,152 +344	+0.1%	+$4.14K	0.62%	51
2019 Q1	$7.76M	Sell	657,808 -9,360	-1%	-$105K	0.65%	47
2018 Q4	$6.76M	Buy	667,168 +4,480	+0.7%	+$48.1K	0.65%	51
2018 Q3	$7.79M	Buy	662,688 +3,520	+0.5%	+$40.9K	0.62%	53
2018 Q2	$7.18M	Buy	659,168 +680	+0.1%	+$7.4K	0.62%	53
2018 Q1	$7.09M	Sell	658,488 -51,240	-7%	-$577K	0.63%	53
2017 Q4	$7.79M	Sell	709,728 -2,520	-0.4%	-$27.7K	0.66%	51
2017 Q3	$7.54M	Sell	712,248 -2,256	-0.3%	-$22.2K	0.65%	52
2017 Q2	$6.59M	Sell	714,504 -30,600	-4%	-$279K	0.6%	51
2017 Q1	$6.63M	Sell	745,104 -23,720	-3%	-$205K	0.62%	51
2016 Q4	$6.46M	Buy	768,824 +24,920	+3%	+$208K	0.64%	54
2016 Q3	$6.04M	Sell	743,904 -1,400	-0.2%	-$10.6K	0.61%	53
2016 Q2	$5.34M	Sell	745,304 -8,480	-1%	-$61K	0.55%	57
2016 Q1	$5.45M	Sell	753,784 -146,160	-16%	-$949K	0.57%	56
2015 Q4	$5.88M	Sell	899,944 -54,000	-6%	-$361K	0.62%	54
2015 Q3	$6.08M	Sell	953,944 -2,280	-0.2%	-$15.3K	0.66%	51
2015 Q2	$6.93M	Sell	956,224 -720	-0.1%	-$5.17K	0.71%	46
2015 Q1	$7.05M	Sell	956,944 -56,080	-6%	-$393K	0.72%	47
2014 Q4	$6.81M	Buy	1,013,024 +1,680	+0.2%	+$10.7K	0.69%	49
2014 Q3	$6.31M	Sell	1,011,344 -4,480	-0.4%	-$28.1K	0.66%	55
2014 Q2	$6.12M	Buy	1,015,824 +7,680	+0.8%	+$45.8K	0.63%	57
2014 Q1	$5.78M	Buy	1,008,144 +20,800	+2%	+$116K	0.62%	60
2013 Q4	$5.5M	Buy	987,344 +160	+0%	+$827	0.55%	67
2013 Q3	$4.77M	Sell	987,184 -11,520	-1%	-$56.2K	0.52%	69
2013 Q2	$4.87M	Buy	+998,704	New	+$4.78M	0.56%	62

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 $3.37T AUM 44.26% 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

Chesley Taft & Associates's APH Position: Q2 2026 in Review

Chesley Taft & Associates reduced its Amphenol (APH) stake by 2% in Q2 2026, selling an estimated $607K and leaving 404,124 shares worth $35.6M. The position accounts for 1.39% of the portfolio, ranked #18.

Chesley Taft & Associates first reported a position in APH in Q2 2013 and has held it in 53 quarters since. 2,327 funds tracked by Wall St. Rank hold APH as of Q2 2026.

Chesley Taft & Associates held 404,124 shares of Amphenol worth $35.6M as of Q2 2026.
Chesley Taft & Associates sold 8,424 Amphenol shares in Q2 2026, an estimated $607K.
Amphenol made up 1.39% of Chesley Taft & Associates's portfolio in Q2 2026, its #18 holding.
Chesley Taft & Associates first reported a position in Amphenol in Q2 2013 and has held it in 53 quarters since.
2,327 funds tracked by Wall St. Rank held Amphenol as of Q2 2026.

Based on Chesley Taft & Associates's 13F filing for Q2 2026, filed 8 Jul 2026.