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PDT Partners’s Amphenol APH Stock Holding History

PDT Partners’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 		$634K Sell
5,019
-34,500
-87% -$4.86M 0.04% 393
2025
Q4 		$5.34M Sell
39,519
-2,249
-5% -$301K 0.35% 87
2025
Q3 		$5.17M Sell
41,768
-7,932
-16% -$870K 0.33% 99
2025
Q2 		$4.91M Sell
49,700
-19
-0% -$1.55K 0.28% 114
2025
Q1 		$3.26M Buy
49,719
+35,319
+245% +$2.41M 0.23% 142
2024
Q4 		$1M Hold
14,400
– – 0.09% 337
2024
Q3 		$938K Buy
+14,400
New +$934K 0.08% 380
2022
Q4 		– Sell
-17,102
Closed -$573K – 629
2022
Q3 		$573K Buy
+17,102
New +$621K 0.09% 402
2020
Q4 		– Sell
-13,600
Closed -$368K – 686
2020
Q3 		$368K Buy
+13,600
New +$358K 0.02% 509
2015
Q4 		– Sell
-203,844
Closed -$2.6M – 424
2015
Q3 		$2.6M Buy
203,844
+127,844
+168% +$1.72M 0.06% 360
2015
Q2 		$1.1M Sell
76,000
-23,200
-23% -$333K 0.03% 714
2015
Q1 		$1.46M Buy
99,200
+23,200
+31% +$325K 0.04% 583
2014
Q4 		$1.02M Sell
76,000
-21,832
-22% -$279K 0.1% 259
2014
Q3 		$1.22M Sell
97,832
-9,392
-9% -$118K 0.03% 565
2014
Q2 		$1.29M Buy
+107,224
New +$1.28M 0.03% 604
2013
Q4 		– Sell
-36,000
Closed -$348K – 649
2013
Q3 		$348K Buy
+36,000
New +$352K 0.01% 1194

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

PDT Partners's APH Position: Q1 2026 in Review

PDT Partners reduced its Amphenol (APH) stake by 87% in Q1 2026, selling an estimated $4.86M and leaving 5,019 shares worth $634K. The position accounts for 0.04% of the portfolio, ranked #393.

PDT Partners first reported a position in APH in Q3 2013 and has held it in 16 quarters since. The position peaked at $5.34M in Q4 2025. 2,114 funds tracked by Wall St. Rank hold APH as of Q1 2026.

  • PDT Partners held 5,019 shares of Amphenol worth $634K as of Q1 2026.
  • PDT Partners sold 34,500 Amphenol shares in Q1 2026, an estimated $4.86M.
  • Amphenol made up 0.04% of PDT Partners's portfolio in Q1 2026, its #393 holding.
  • PDT Partners first reported a position in Amphenol in Q3 2013 and has held it in 16 quarters since.
  • PDT Partners's Amphenol position peaked at $5.34M in Q4 2025.
  • 2,114 funds tracked by Wall St. Rank held Amphenol as of Q1 2026.

Based on PDT Partners's 13F filing for Q1 2026, filed 15 May 2026.