California State Teachers Retirement System (CalSTRS)
APH icon

California State Teachers Retirement System (CalSTRS)’s Amphenol APH Stock Holding History

California State Teachers Retirement System (CalSTRS)’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 		$237M Sell
1,875,034
-42,331
-2% -$5.96M 0.25% 68
2025
Q4 		$259M Sell
1,917,365
-11,469
-0.6% -$1.53M 0.26% 64
2025
Q3 		$239M Buy
1,928,834
+17,649
+0.9% +$1.94M 0.24% 71
2025
Q2 		$189M Buy
1,911,185
+17,403
+0.9% +$1.42M 0.21% 88
2025
Q1 		$124M Sell
1,893,782
-10,605
-0.6% -$724K 0.15% 117
2024
Q4 		$132M Sell
1,904,387
-70,662
-4% -$4.95M 0.15% 113
2024
Q3 		$129M Sell
1,975,049
-2,263
-0.1% -$147K 0.15% 123
2024
Q2 		$133M Buy
1,977,312
+50,994
+3% +$3.22M 0.16% 110
2024
Q1 		$111M Buy
1,926,318
+26,492
+1% +$1.39M 0.14% 133
2023
Q4 		$94.2M Buy
1,899,826
+53,802
+3% +$2.38M 0.13% 142
2023
Q3 		$77.5M Sell
1,846,024
-78,088
-4% -$3.36M 0.12% 151
2023
Q2 		$81.7M Sell
1,924,112
-34,376
-2% -$1.34M 0.12% 152
2023
Q1 		$80M Sell
1,958,488
-18,626
-0.9% -$736K 0.12% 156
2022
Q4 		$75.3M Buy
1,977,114
+16,158
+0.8% +$611K 0.12% 165
2022
Q3 		$65.7M Sell
1,960,956
-25,702
-1% -$934K 0.11% 173
2022
Q2 		$64M Buy
1,986,658
+7,174
+0.4% +$249K 0.1% 182
2022
Q1 		$74.6M Sell
1,979,484
-118,174
-6% -$4.58M 0.1% 187
2021
Q4 		$91.7M Buy
2,097,658
+31,622
+2% +$1.28M 0.11% 167
2021
Q3 		$75.6M Sell
2,066,036
-25,974
-1% -$954K 0.1% 186
2021
Q2 		$71.6M Sell
2,092,010
-64,168
-3% -$2.17M 0.09% 205
2021
Q1 		$71.1M Buy
2,156,178
+5,002
+0.2% +$162K 0.09% 191
2020
Q4 		$70.3M Buy
2,151,176
+47,728
+2% +$1.47M 0.1% 173
2020
Q3 		$56.9M Buy
2,103,448
+45,608
+2% +$1.2M 0.09% 189
2020
Q2 		$49.3M Buy
2,057,840
+7,592
+0.4% +$169K 0.09% 205
2020
Q1 		$37.4M Sell
2,050,248
-53,748
-3% -$1.28M 0.08% 214
2019
Q4 		$56.9M Buy
2,103,996
+164,716
+8% +$4.2M 0.1% 188
2019
Q3 		$46.8M Buy
1,939,280
+23,080
+1% +$532K 0.09% 205
2019
Q2 		$46M Sell
1,916,200
-21,968
-1% -$529K 0.09% 209
2019
Q1 		$45.8M Buy
1,938,168
+10,720
+0.6% +$240K 0.09% 197
2018
Q4 		$39M Buy
1,927,448
+38,700
+2% +$831K 0.09% 204
2018
Q3 		$44.4M Sell
1,888,748
-2,988
-0.2% -$69.5K 0.09% 216
2018
Q2 		$41.2M Sell
1,891,736
-22,052
-1% -$480K 0.09% 216
2018
Q1 		$41.2M Sell
1,913,788
-66,244
-3% -$1.49M 0.09% 218
2017
Q4 		$43.5M Sell
1,980,032
-31,316
-2% -$689K 0.09% 213
2017
Q3 		$42.6M Sell
2,011,348
-186,352
-8% -$3.66M 0.09% 208
2017
Q2 		$40.6M Sell
2,197,700
-189,784
-8% -$3.46M 0.09% 229
2017
Q1 		$42.5M Sell
2,387,484
-108,400
-4% -$1.88M 0.09% 229
2016
Q4 		$41.9M Sell
2,495,884
-66,800
-3% -$1.11M 0.09% 228
2016
Q3 		$41.6M Buy
2,562,684
+21,600
+0.9% +$328K 0.09% 234
2016
Q2 		$36.4M Sell
2,541,084
-84,272
-3% -$1.21M 0.08% 257
2016
Q1 		$38M Buy
2,625,356
+335,620
+15% +$4.36M 0.08% 247
2015
Q4 		$29.9M Buy
2,289,736
+36,512
+2% +$488K 0.07% 267
2015
Q3 		$28.7M Sell
2,253,224
-3,600
-0.2% -$48.3K 0.07% 260
2015
Q2 		$32.7M Sell
2,256,824
-46,608
-2% -$670K 0.08% 246
2015
Q1 		$33.9M Sell
2,303,432
-39,600
-2% -$554K 0.08% 249
2014
Q4 		$31.5M Buy
2,343,032
+22,320
+1% +$286K 0.07% 266
2014
Q3 		$29M Sell
2,320,712
-4,104
-0.2% -$51.5K 0.07% 270
2014
Q2 		$28M Sell
2,324,816
-1,120
-0% -$13.3K 0.07% 276
2014
Q1 		$26.6M Buy
2,325,936
+11,200
+0.5% +$125K 0.07% 279
2013
Q4 		$25.8M Buy
2,314,736
+15,200
+0.7% +$157K 0.07% 283
2013
Q3 		$22.2M Buy
2,299,536
+71,520
+3% +$698K 0.07% 307
2013
Q2 		$21.7M Buy
+2,228,016
New +$21.3M 0.07% 283

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
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
Capital International Investors
Capital International Investors Los Angeles, California $484B AUM 34.9% 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
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

California State Teachers Retirement System (CalSTRS)'s APH Position: Q1 2026 in Review

California State Teachers Retirement System (CalSTRS) reduced its Amphenol (APH) stake by 2.2% in Q1 2026, selling an estimated $5.96M and leaving 1,875,034 shares worth $237M. The position accounts for 0.25% of the portfolio, ranked #68.

California State Teachers Retirement System (CalSTRS) first reported a position in APH in Q2 2013 and has held it in 52 quarters since. The position peaked at $259M in Q4 2025. 2,125 funds tracked by Wall St. Rank hold APH as of Q1 2026.

  • California State Teachers Retirement System (CalSTRS) held 1,875,034 shares of Amphenol worth $237M as of Q1 2026.
  • California State Teachers Retirement System (CalSTRS) sold 42,331 Amphenol shares in Q1 2026, an estimated $5.96M.
  • Amphenol made up 0.25% of California State Teachers Retirement System (CalSTRS)'s portfolio in Q1 2026, its #68 holding.
  • California State Teachers Retirement System (CalSTRS) first reported a position in Amphenol in Q2 2013 and has held it in 52 quarters since.
  • California State Teachers Retirement System (CalSTRS)'s Amphenol position peaked at $259M in Q4 2025.
  • 2,125 funds tracked by Wall St. Rank held Amphenol as of Q1 2026.

Based on California State Teachers Retirement System (CalSTRS)'s 13F filing for Q1 2026, filed 18 May 2026.