SEI Investments’s Amphenol APH Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$143M Sell
1,627,280
-707,848
-30% -$51M 0.13% 157
2026
Q1
$148M Sell
2,335,128
-2,265,874
-49% -$159M 0.14% 148
2025
Q4
$311M Sell
4,601,002
-314,560
-6% -$21M 0.31% 47
2025
Q3
$304M Buy
4,915,562
+2,655,318
+117% +$146M 0.33% 48
2025
Q2
$112M Buy
2,260,244
+81,446
+4% +$3.33M 0.13% 158
2025
Q1
$71.5M Buy
2,178,798
+390,602
+22% +$13.3M 0.09% 244
2024
Q4
$62.1M Buy
1,788,196
+83,312
+5% +$2.92M 0.08% 261
2024
Q3
$55.5M Buy
1,704,884
+88,868
+5% +$2.88M 0.07% 298
2024
Q2
$54.4M Buy
1,616,016
+411,748
+34% +$13M 0.08% 277
2024
Q1
$34.7M Buy
1,204,268
+135,652
+13% +$3.55M 0.05% 403
2023
Q4
$26.5M Buy
1,068,616
+18,248
+2% +$403K 0.04% 458
2023
Q3
$22.1M Buy
1,050,368
+146,936
+16% +$3.16M 0.04% 495
2023
Q2
$19.2M Sell
903,432
-318,104
-26% -$6.18M 0.03% 579
2023
Q1
$25M Buy
1,221,536
+491,620
+67% +$9.71M 0.05% 446
2022
Q4
$13.9M Sell
729,916
-478,760
-40% -$9.06M 0.03% 602
2022
Q3
$20.2M Buy
1,208,676
+18,608
+2% +$338K 0.05% 461
2022
Q2
$19.2M Buy
1,190,068
+516,628
+77% +$8.98M 0.04% 468
2022
Q1
$12.7M Buy
673,440
+25,620
+4% +$496K 0.03% 666
2021
Q4
$14.2M Buy
647,820
+50,572
+8% +$1.02M 0.03% 629
2021
Q3
$11M Sell
597,248
-14,008
-2% -$257K 0.02% 696
2021
Q2
$10.5M Buy
611,256
+280,944
+85% +$4.74M 0.02% 710
2021
Q1
$10.3M Sell
330,312
-370,320
-53% -$6.01M 0.03% 658
2020
Q4
$11.5M Buy
700,632
+117,736
+20% +$1.81M 0.03% 565
2020
Q3
$7.93M Buy
582,896
+151,872
+35% +$2M 0.02% 649
2020
Q2
$5.05M Buy
431,024
+124,264
+41% +$1.39M 0.02% 853
2020
Q1
$2.8M Buy
306,760
+3,240
+1% +$38.6K 0.01% 1005
2019
Q4
$4.12M Sell
303,520
-80,864
-21% -$1.03M 0.01% 1002
2019
Q3
$4.63M Sell
384,384
-104,816
-21% -$1.21M 0.01% 968
2019
Q2
$5.87M Buy
489,200
+18,760
+4% +$226K 0.02% 859
2019
Q1
$5.56M Sell
470,440
-420,624
-47% -$4.7M 0.02% 853
2018
Q4
$9.63M Buy
891,064
+257,040
+41% +$2.76M 0.03% 573
2018
Q3
$7.47M Sell
634,024
-977,744
-61% -$11.4M 0.03% 661
2018
Q2
$17.6M Buy
+1,611,768
New +$17.5M 0.06% 342
2018
Q1
– Sell
-1,160,080
Closed -$12.7M – 3455
2017
Q4
$12.7M Sell
1,160,080
-467,896
-29% -$5.15M 0.04% 508
2017
Q3
$16.9M Buy
1,627,976
+240,584
+17% +$2.36M 0.06% 373
2017
Q2
$12.8M Buy
1,387,392
+394,056
+40% +$3.6M 0.05% 452
2017
Q1
$8.84M Buy
993,336
+714,048
+256% +$6.18M 0.04% 563
2016
Q4
$2.81M Sell
279,288
-295,376
-51% -$2.46M 0.01% 1019
2016
Q3
$4.66M Buy
574,664
+267,808
+87% +$2.03M 0.02% 735
2016
Q2
$2.2M Buy
306,856
+124,608
+68% +$896K 0.01% 965
2016
Q1
$1.32M Sell
182,248
-335,688
-65% -$2.18M 0.01% 1079
2015
Q4
$3.38M Sell
517,936
-9,096
-2% -$60.8K 0.02% 790
2015
Q3
$3.36M Sell
527,032
-91,400
-15% -$614K 0.03% 592
2015
Q2
$4.48M Sell
618,432
-2,024
-0.3% -$14.5K 0.04% 494
2015
Q1
$4.57M Sell
620,456
-592
-0.1% -$4.14K 0.04% 486
2014
Q4
$4.18M Buy
+621,048
New +$3.97M 0.04% 484

Other funds holding APH

SEI Investments's APH Position: Q2 2026 in Review

SEI Investments reduced its Amphenol (APH) stake by 30% in Q2 2026, selling an estimated $51M and leaving 1,627,280 shares worth $143M. The position accounts for 0.13% of the portfolio, ranked #157.

SEI Investments first reported a position in APH in Q4 2014 and has held it in 46 quarters since. The position peaked at $311M in Q4 2025. 2,340 funds tracked by Wall St. Rank hold APH as of Q2 2026.

  • SEI Investments held 1,627,280 shares of Amphenol worth $143M as of Q2 2026.
  • SEI Investments sold 707,848 Amphenol shares in Q2 2026, an estimated $51M.
  • Amphenol made up 0.13% of SEI Investments's portfolio in Q2 2026, its #157 holding.
  • SEI Investments first reported a position in Amphenol in Q4 2014 and has held it in 46 quarters since.
  • SEI Investments's Amphenol position peaked at $311M in Q4 2025.
  • 2,340 funds tracked by Wall St. Rank held Amphenol as of Q2 2026.

Based on SEI Investments's 13F filing for Q2 2026, filed 14 Aug 2026.