Marshall Wace
APH icon

Marshall Wace’s Amphenol APH Stock Holding History

Marshall Wace’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 		$295M Buy
2,337,310
+1,845,717
+375% +$260M 0.29% 47
2025
Q4 		$66.4M Sell
491,593
-616,278
-56% -$82.4M 0.06% 275
2025
Q3 		$137M Sell
1,107,871
-92,129
-8% -$10.1M 0.14% 118
2025
Q2 		$119M Buy
+1,200,000
New +$98.1M 0.13% 137
2025
Q1 		– Sell
-333,518
Closed -$23.2M – 2607
2024
Q4 		$23.2M Buy
333,518
+206,817
+163% +$14.5M 0.03% 492
2024
Q3 		$8.26M Sell
126,701
-43,953
-26% -$2.85M 0.01% 828
2024
Q2 		$11.5M Sell
170,654
-277,078
-62% -$17.5M 0.02% 677
2024
Q1 		$25.8M Buy
447,732
+421,878
+1,632% +$22.1M 0.04% 428
2023
Q4 		$1.28M Buy
+25,854
New +$1.14M ﹤0.01% 1394
2023
Q1 		– Sell
-20,498
Closed -$780K – 2626
2022
Q4 		$780K Sell
20,498
-1,450,058
-99% -$54.9M ﹤0.01% 2190
2022
Q3 		$49.2M Buy
1,470,556
+899,032
+157% +$32.7M 0.11% 204
2022
Q2 		$18.4M Buy
+571,524
New +$19.9M 0.04% 503
2021
Q1 		– Sell
-514,944
Closed -$16.8M – 2444
2020
Q4 		$16.8M Sell
514,944
-879,884
-63% -$27M 0.09% 218
2020
Q3 		$37.8M Buy
1,394,828
+323,176
+30% +$8.52M 0.24% 93
2020
Q2 		$25.7M Buy
1,071,652
+1,071,476
+608,793% +$23.9M 0.18% 127
2020
Q1 		$3K Sell
176
-290,980
-100% -$6.94M ﹤0.01% 1579
2019
Q4 		$7.88M Sell
291,156
-756,136
-72% -$19.3M 0.05% 368
2019
Q3 		$25.3M Buy
1,047,292
+826,960
+375% +$19.1M 0.2% 116
2019
Q2 		$5.29M Buy
220,332
+220,204
+172,034% +$5.3M 0.04% 466
2019
Q1 		$3K Buy
+128
New +$2.86K ﹤0.01% 1653
2018
Q4 		– Sell
-184,216
Closed -$4.33M – 1573
2018
Q3 		$4.33M Buy
+184,216
New +$4.28M 0.04% 483
2015
Q3 		– Sell
-459,960
Closed -$6.67M – 902
2015
Q2 		$6.67M Buy
+459,960
New +$6.61M 0.09% 250

Other funds holding APH

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Capital International Investors
Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

Marshall Wace's APH Position: Q1 2026 in Review

Marshall Wace increased its Amphenol (APH) stake by 375% in Q1 2026, buying an estimated $260M and bringing the position to 2,337,310 shares worth $295M. The position accounts for 0.29% of the portfolio, ranked #47.

Marshall Wace first reported a position in APH in Q2 2015 and has held it in 22 quarters since. 2,114 funds tracked by Wall St. Rank hold APH as of Q1 2026.

  • Marshall Wace held 2,337,310 shares of Amphenol worth $295M as of Q1 2026.
  • Marshall Wace bought 1,845,717 Amphenol shares in Q1 2026, an estimated $260M.
  • Amphenol made up 0.29% of Marshall Wace's portfolio in Q1 2026, its #47 holding.
  • Marshall Wace first reported a position in Amphenol in Q2 2015 and has held it in 22 quarters since.
  • 2,114 funds tracked by Wall St. Rank held Amphenol as of Q1 2026.

Based on Marshall Wace's 13F filing for Q1 2026, filed 15 May 2026.