MAM
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Madison Asset Management’s Amphenol APH Stock Holding History

Madison Asset Management’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 		$207M Sell
1,176,112
-74,894
-6% -$10.8M 2.47% 3
2026
Q1 		$158M Sell
1,251,006
-89,835
-7% -$12.6M 1.96% 5
2025
Q4 		$181M Sell
1,340,841
-1,101,861
-45% -$147M 2.08% 5
2025
Q3 		$302M Sell
2,442,702
-35,617
-1% -$3.91M 3.33% 2
2025
Q2 		$245M Sell
2,478,319
-68,028
-3% -$5.56M 2.64% 3
2025
Q1 		$167M Buy
2,546,347
+274,945
+12% +$18.8M 1.86% 9
2024
Q4 		$158M Buy
2,271,402
+195,559
+9% +$13.7M 1.78% 9
2024
Q3 		$135M Buy
2,075,843
+125,037
+6% +$8.11M 1.52% 10
2024
Q2 		$131M Buy
1,950,806
+168,696
+9% +$10.6M 1.63% 11
2024
Q1 		$103M Buy
1,782,110
+172,602
+11% +$9.04M 1.26% 20
2023
Q4 		$79.8M Buy
1,609,508
+51,602
+3% +$2.28M 1.08% 28
2023
Q3 		$65.4M Buy
1,557,906
+52,724
+4% +$2.27M 0.96% 34
2023
Q2 		$63.9M Sell
1,505,182
-4,312
-0.3% -$167K 0.93% 34
2023
Q1 		$61.7M Sell
1,509,494
-13,134
-0.9% -$519K 0.94% 35
2022
Q4 		$58M Buy
1,522,628
+3,500
+0.2% +$132K 0.91% 33
2022
Q3 		$50.9M Buy
1,519,128
+9,902
+0.7% +$360K 0.86% 39
2022
Q2 		$48.6M Sell
1,509,226
-34,490
-2% -$1.2M 0.76% 45
2022
Q1 		$58.2M Sell
1,543,716
-17,614
-1% -$682K 0.83% 43
2021
Q4 		$68.3M Sell
1,561,330
-18,402
-1% -$745K 0.9% 38
2021
Q3 		$57.8M Sell
1,579,732
-4,024
-0.3% -$148K 0.8% 47
2021
Q2 		$54.2M Sell
1,583,756
-14,186
-0.9% -$479K 0.73% 49
2021
Q1 		$52.7M Sell
1,597,942
-19,638
-1% -$638K 0.74% 48
2020
Q4 		$52.9M Sell
1,617,580
-6,308
-0.4% -$194K 0.78% 47
2020
Q3 		$44M Sell
1,623,888
-29,264
-2% -$771K 0.73% 55
2020
Q2 		$39.6M Sell
1,653,152
-5,820
-0.4% -$130K 0.69% 57
2020
Q1 		$30.2M Sell
1,658,972
-24,156
-1% -$576K 0.62% 60
2019
Q4 		$45.5M Buy
+1,683,128
New +$43M 0.7% 51

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

Madison Asset Management's APH Position: Q2 2026 in Review

Madison Asset Management reduced its Amphenol (APH) stake by 6% in Q2 2026, selling an estimated $10.8M and leaving 1,176,112 shares worth $207M. The position accounts for 2.47% of the portfolio, ranked #3.

Madison Asset Management first reported a position in APH in Q4 2019 and has held it in 27 quarters since. The position peaked at $302M in Q3 2025. 2,321 funds tracked by Wall St. Rank hold APH as of Q2 2026.

  • Madison Asset Management held 1,176,112 shares of Amphenol worth $207M as of Q2 2026.
  • Madison Asset Management sold 74,894 Amphenol shares in Q2 2026, an estimated $10.8M.
  • Amphenol made up 2.47% of Madison Asset Management's portfolio in Q2 2026, its #3 holding.
  • Madison Asset Management first reported a position in Amphenol in Q4 2019 and has held it in 27 quarters since.
  • Madison Asset Management's Amphenol position peaked at $302M in Q3 2025.
  • 2,321 funds tracked by Wall St. Rank held Amphenol as of Q2 2026.

Based on Madison Asset Management's 13F filing for Q2 2026, filed 10 Aug 2026.