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PDT Partners’s Impinj PI Stock Holding History

PDT Partners’s Portfolio PI Stock Details PI Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q3 		– Sell
-3,400
Closed -$378K – 694
2025
Q2 		$378K Buy
+3,400
New +$338K 0.02% 563
2024
Q4 		– Sell
-11,144
Closed -$2.41M – 803
2024
Q3 		$2.41M Buy
+11,144
New +$1.89M 0.21% 161
2022
Q2 		– Sell
-24,700
Closed -$1.57M – 1109
2022
Q1 		$1.57M Sell
24,700
-1,000
-4% -$72.2K 0.14% 233
2021
Q4 		$2.28M Sell
25,700
-2,567
-9% -$186K 0.17% 215
2021
Q3 		$1.61M Sell
28,267
-11,080
-28% -$566K 0.12% 277
2021
Q2 		$2.03M Buy
39,347
+4,347
+12% +$224K 0.13% 267
2021
Q1 		$1.99M Buy
35,000
+3,400
+11% +$200K 0.14% 268
2020
Q4 		$1.32M Buy
31,600
+500
+2% +$17.4K 0.09% 281
2020
Q3 		$819K Buy
31,100
+15,098
+94% +$399K 0.05% 339
2020
Q2 		$440K Sell
16,002
-50,357
-76% -$1.18M 0.03% 442
2020
Q1 		$1.11M Buy
66,359
+23,575
+55% +$636K 0.09% 216
2019
Q4 		$1.11M Buy
42,784
+14,461
+51% +$450K 0.07% 266
2019
Q3 		$873K Buy
28,323
+6,809
+32% +$238K 0.05% 294
2019
Q2 		$616K Sell
21,514
-1,486
-6% -$36.3K 0.04% 289
2019
Q1 		$385K Buy
+23,000
New +$382K 0.02% 335

Other funds holding PI

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
SC
Sylebra Capital Palo Alto, California $774M AUM 56.69% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return
WRCM
Whale Rock Capital Management Boston, Massachusetts $7.74B AUM 180.85% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
Chevy Chase Trust
Chevy Chase Trust Bethesda, Maryland $34.7B AUM 29.45% 1-Year Est. Return

PDT Partners's PI Position: Q3 2025 in Review

PDT Partners sold out of Impinj (PI) in Q3 2025, closing a stake of 3,400 shares — an estimated $378K sold.

PDT Partners first reported a position in PI in Q1 2019 and held it in 15 quarters. The position peaked at $2.41M in Q3 2024. 322 funds tracked by Wall St. Rank hold PI as of Q3 2025.

  • PDT Partners reported no remaining Impinj position as of Q3 2025 after selling out during the quarter.
  • PDT Partners sold 3,400 Impinj shares in Q3 2025, an estimated $378K.
  • PDT Partners first reported a position in Impinj in Q1 2019 and held it in 15 quarters.
  • PDT Partners's Impinj position peaked at $2.41M in Q3 2024.
  • 322 funds tracked by Wall St. Rank held Impinj as of Q3 2025.

Based on PDT Partners's 13F filing for Q3 2025, filed 17 Nov 2025.