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PDT Partners’s Adaptive Biotechnologies ADPT Stock Holding History

PDT Partners’s Portfolio ADPT Stock Details ADPT Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-121,517
Closed -$1.82M – 550
2025
Q3 		$1.82M Sell
121,517
-150,786
-55% -$1.84M 0.11% 272
2025
Q2 		$3.17M Sell
272,303
-72,675
-21% -$660K 0.18% 199
2025
Q1 		$2.56M Buy
344,978
+28,697
+9% +$221K 0.18% 190
2024
Q4 		$1.9M Buy
316,281
+35,899
+13% +$198K 0.17% 218
2024
Q3 		$1.44M Buy
280,382
+65,378
+30% +$285K 0.13% 292
2024
Q2 		$778K Hold
215,004
– – 0.07% 389
2024
Q1 		$690K Buy
215,004
+98,200
+84% +$380K 0.07% 399
2023
Q4 		$572K Buy
116,804
+100,845
+632% +$460K 0.06% 383
2023
Q3 		$87K Sell
15,959
-110,384
-87% -$730K 0.01% 556
2023
Q2 		$848K Buy
126,343
+18,684
+17% +$139K 0.12% 286
2023
Q1 		$951K Buy
107,659
+16
+0% +$141 0.13% 273
2022
Q4 		$822K Buy
107,643
+54,318
+102% +$423K 0.13% 279
2022
Q3 		$380K Sell
53,325
-6,568
-11% -$61.9K 0.06% 515
2022
Q2 		$485K Sell
59,893
-359
-0.6% -$3.16K 0.04% 612
2022
Q1 		$836K Sell
60,252
-24,048
-29% -$378K 0.07% 425
2021
Q4 		$2.37M Sell
84,300
-13,572
-14% -$416K 0.18% 204
2021
Q3 		$3.33M Buy
97,872
+2,068
+2% +$74.8K 0.24% 186
2021
Q2 		$3.92M Buy
95,804
+1,288
+1% +$50.1K 0.26% 185
2021
Q1 		$3.81M Sell
94,516
-14,443
-13% -$782K 0.27% 141
2020
Q4 		$6.44M Sell
108,959
-59,048
-35% -$3.04M 0.44% 40
2020
Q3 		$8.17M Buy
168,007
+157,594
+1,513% +$6.62M 0.54% 30
2020
Q2 		$504K Buy
+10,413
New +$380K 0.03% 408

Other funds holding ADPT

Viking Global Investors
Viking Global Investors Stamford, Connecticut $35.1B AUM 21.36% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
Westfield Capital Management
Westfield Capital Management Boston, Massachusetts $30.6B AUM 61.81% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Lord, Abbett & Co
Lord, Abbett & Co Jersey City, New Jersey $34.9B AUM 72.7% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

PDT Partners's ADPT Position: Q4 2025 in Review

PDT Partners sold out of Adaptive Biotechnologies (ADPT) in Q4 2025, closing a stake of 121,517 shares — an estimated $1.82M sold.

PDT Partners first reported a position in ADPT in Q2 2020 and held it in 22 quarters. The position peaked at $8.17M in Q3 2020. 283 funds tracked by Wall St. Rank hold ADPT as of Q4 2025.

  • PDT Partners reported no remaining Adaptive Biotechnologies position as of Q4 2025 after selling out during the quarter.
  • PDT Partners sold 121,517 Adaptive Biotechnologies shares in Q4 2025, an estimated $1.82M.
  • PDT Partners first reported a position in Adaptive Biotechnologies in Q2 2020 and held it in 22 quarters.
  • PDT Partners's Adaptive Biotechnologies position peaked at $8.17M in Q3 2020.
  • 283 funds tracked by Wall St. Rank held Adaptive Biotechnologies as of Q4 2025.

Based on PDT Partners's 13F filing for Q4 2025, filed 17 Feb 2026.