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John Overdeck’s Adaptive Biotechnologies ADPT Stock Holding History

John Overdeck’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
2026
Q2 		– Sell
-118,200
Closed -$1.64M – 5024
2026
Q1 		$1.64M Buy
+118,200
New +$1.88M ﹤0.01% 2911
2025
Q1 		– Sell
-183,838
Closed -$1.1M – 3168
2024
Q4 		$1.1M Buy
183,838
+131,478
+251% +$725K ﹤0.01% 2116
2024
Q3 		$268K Buy
+52,360
New +$228K ﹤0.01% 2719
2023
Q4 		– Sell
-46,629
Closed -$254K – 3118
2023
Q3 		$254K Sell
46,629
-36,200
-44% -$239K ﹤0.01% 2548
2023
Q2 		$556K Sell
82,829
-5,000
-6% -$37.2K ﹤0.01% 2284
2023
Q1 		$776K Sell
87,829
-2,533
-3% -$22.3K ﹤0.01% 2002
2022
Q4 		$690K Sell
90,362
-170,790
-65% -$1.33M ﹤0.01% 1878
2022
Q3 		$1.86M Sell
261,152
-40,799
-14% -$384K 0.01% 1183
2022
Q2 		$2.44M Buy
301,951
+168,388
+126% +$1.48M 0.01% 1093
2022
Q1 		$1.85M Buy
+133,563
New +$2.1M 0.01% 1377
2021
Q2 		– Sell
-203,685
Closed -$8.2M – 3967
2021
Q1 		$8.2M Buy
203,685
+198,085
+3,537% +$10.7M 0.02% 792
2020
Q4 		$331K Buy
+5,600
New +$289K ﹤0.01% 2782

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 Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 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

John Overdeck's ADPT Position: Q2 2026 in Review

John Overdeck sold out of Adaptive Biotechnologies (ADPT) in Q2 2026, closing a stake of 118,200 shares — an estimated $1.64M sold.

John Overdeck first reported a position in ADPT in Q4 2020 and held it in 12 quarters. The position peaked at $8.2M in Q1 2021. 298 funds tracked by Wall St. Rank hold ADPT as of Q2 2026.

  • John Overdeck reported no remaining Adaptive Biotechnologies position as of Q2 2026 after selling out during the quarter.
  • John Overdeck sold 118,200 Adaptive Biotechnologies shares in Q2 2026, an estimated $1.64M.
  • John Overdeck first reported a position in Adaptive Biotechnologies in Q4 2020 and held it in 12 quarters.
  • John Overdeck's Adaptive Biotechnologies position peaked at $8.2M in Q1 2021.
  • 298 funds tracked by Wall St. Rank held Adaptive Biotechnologies as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.