California State Teachers Retirement System Amphenol Corp Transaction History

California State Teachers Retirement System

$94.5 Billion
Q3 2025

A detailed history of California State Teachers Retirement System transactions in Amphenol Corp stock. As of the latest transaction made, California State Teachers Retirement System holds 1,928,834 shares of APH stock, worth $258 Million. This represents 0.25% of its overall portfolio holdings.

Number of Shares

1,928,834

Previous 1,911,185 0.92%

Holding current value

$258 Million

Previous $189 Million 26.47%

% of portfolio

0.25%

Previous 0.22%

35 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 14, 2025	BUY	$97.39 - $125.4 $1.72 Million - $2.21 Million	17,649 Added 0.92%	1,928,834 $239 Million
Q2 2025 Aug 14, 2025	BUY	$59.09 - $98.75 $1.03 Million - $1.72 Million	17,403 Added 0.92%	1,911,185 $189 Million
Q1 2025 May 15, 2025	SELL	$61.62 - $78.55 $653,480 - $833,022	-10,605 Reduced 0.56%	1,893,782 $124 Million
Q4 2024 Feb 14, 2025	SELL	$62.07 - $75.35 $4.39 Million - $5.32 Million	-70,662 Reduced 3.58%	1,904,387 $132 Million
Q3 2024 Apr 04, 2025	BUY	$58.39 - $70.41 $4.13 Million - $4.98 Million	70,662 Added 3.71%	1,975,049 $129 Million

Q3 2024 Nov 14, 2024	SELL	$58.39 - $70.41 $132,136 - $159,337	-2,263 Reduced 0.11%	1,975,049 $129 Million
Q2 2024 Apr 08, 2025	BUY	$67.16 - $136.4 $4.9 Million - $9.95 Million	72,925 Added 3.83%	1,977,312 $133 Million
Q2 2024 Aug 14, 2024	BUY	$67.16 - $136.4 $68.1 Million - $138 Million	1,014,153 Added 105.29%	1,977,312 $133 Million
Q1 2024 May 15, 2024	BUY	$94.46 - $115.35 $1.25 Million - $1.53 Million	13,246 Added 1.39%	963,159 $111 Million
Q4 2023 Feb 13, 2024	BUY	$79.18 - $99.49 $2.13 Million - $2.68 Million	26,901 Added 2.91%	949,913 $94.2 Million
Q3 2023 Nov 14, 2023	SELL	$81.46 - $88.88 $3.18 Million - $3.47 Million	-39,044 Reduced 4.06%	923,012 $77.5 Million
Q2 2023 Aug 21, 2023	SELL	$72.97 - $84.95 $1.25 Million - $1.46 Million	-17,188 Reduced 1.76%	962,056 $81.7 Million
Q1 2023 May 09, 2023	SELL	$76.04 - $82.09 $708,160 - $764,504	-9,313 Reduced 0.94%	979,244 $80 Million
Q4 2022 Feb 14, 2023	BUY	$67.05 - $81.98 $541,696 - $662,316	8,079 Added 0.82%	988,557 $75.3 Million
Q3 2022 Nov 18, 2022	SELL	$63.75 - $80.14 $819,251 - $1.03 Million	-12,851 Reduced 1.29%	980,478 $65.7 Million
Q2 2022 Aug 15, 2022	BUY	$62.51 - $75.99 $224,223 - $272,576	3,587 Added 0.36%	993,329 $64 Million
Q1 2022 May 16, 2022	SELL	$71.49 - $86.77 $4.22 Million - $5.13 Million	-59,087 Reduced 5.63%	989,742 $74.6 Million
Q4 2021 Feb 15, 2022	BUY	$73.54 - $87.94 $1.16 Million - $1.39 Million	15,811 Added 1.53%	1,048,829 $91.7 Million
Q3 2021 Nov 15, 2021	SELL	$67.39 - $77.49 $875,193 - $1.01 Million	-12,987 Reduced 1.24%	1,033,018 $75.6 Million
Q2 2021 Aug 16, 2021	SELL	$64.17 - $69.16 $2.06 Million - $2.22 Million	-32,084 Reduced 2.98%	1,046,005 $71.6 Million
Q1 2021 May 18, 2021	BUY	$60.04 - $67.96 $32.4 Million - $36.7 Million	540,295 Added 100.47%	1,078,089 $71.1 Million
Q4 2020 Feb 16, 2021	BUY	$54.68 - $66.81 $652,441 - $797,176	11,932 Added 2.27%	537,794 $70.3 Million
Q3 2020 Nov 17, 2020	BUY	$47.23 - $56.48 $538,516 - $643,984	11,402 Added 2.22%	525,862 $56.9 Million
Q2 2020 Aug 17, 2020	BUY	$34.21 - $53.5 $64,930 - $101,543	1,898 Added 0.37%	514,460 $49.3 Million
Q1 2020 May 13, 2020	SELL	$34.17 - $54.9 $459,142 - $737,691	-13,437 Reduced 2.55%	512,562 $37.4 Million
Q4 2019 Feb 14, 2020	BUY	$46.59 - $54.14 $1.92 Million - $2.23 Million	41,179 Added 8.49%	525,999 $56.9 Million
Q3 2019 Nov 15, 2019	BUY	$42.2 - $49.55 $243,494 - $285,903	5,770 Added 1.2%	484,820 $46.8 Million
Q2 2019 Aug 14, 2019	SELL	$43.5 - $52.69 $238,902 - $289,373	-5,492 Reduced 1.13%	479,050 $46 Million
Q1 2019 May 09, 2019	BUY	$37.53 - $48.28 $100,580 - $129,390	2,680 Added 0.56%	484,542 $45.8 Million
Q4 2018 Feb 13, 2019	BUY	$37.83 - $47.24 $366,005 - $457,047	9,675 Added 2.05%	481,862 $39 Million
Q3 2018 Nov 14, 2018	SELL	$43.35 - $48.49 $32,382 - $36,222	-747 Reduced 0.16%	472,187 $44.4 Million
Q2 2018 Aug 14, 2018	SELL	$41.28 - $45.66 $227,576 - $251,723	-5,513 Reduced 1.15%	472,934 $41.2 Million
Q1 2018 May 15, 2018	SELL	$42.22 - $46.56 $699,205 - $771,080	-16,561 Reduced 3.35%	478,447 $41.2 Million
Q4 2017 Feb 14, 2018	SELL	$42.38 - $45.52 $331,793 - $356,376	-7,829 Reduced 1.56%	495,008 $43.5 Million
Q3 2017 Nov 13, 2017	BUY	$38.31 - $42.32 $19.3 Million - $21.3 Million	502,837	502,837 $42.6 Million

Others Institutions Holding APH

# of Institutions

2,030

Shares Held

1.03B

Call Options Held

5.5M

Put Options Held

4.3M

View Full List

About AMPHENOL CORP

Ticker APH
Exchange NYSE
Sector Technology
Industry Electronic Components
Shares Outstandng 594,828,032
Market Cap $79.6B
Description
Amphenol Corporation, together with its subsidiaries, primarily designs, manufactures, and markets electrical, electronic, and fiber optic connectors in the United States, China, and internationally. It operates through three segments: Harsh Environment Solutions, Communications Solutions, and Interconnect and Sensor Systems. The company offers ...

More about APH

Track This Portfolio

Portfolio Update

Get notified when there are updates to the investment portfolio of California State Teachers Retirement System, based on Form 13F filings with the SEC.

News

Stay updated on California State Teachers Retirement System with notifications on news.

Account

California State Teachers Retirement System Amphenol Corp Transaction History