Jane Street’s Adaptive Biotechnologies ADPT Stock Holding History

Jane Street’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	$1.16M	Buy	54,200 +25,700	+90%	+$394K	﹤0.01%	6217
2026 Q1	$396K	Sell	28,500 -13,200	-32%	-$210K	﹤0.01%	8576
2025 Q4	$677K	Buy	+41,700	New	+$681K	﹤0.01%	7038
2023 Q4	–	Sell	-38,800	Closed	-$211K	–	9117
2023 Q3	$211K	Buy	38,800 +6,100	+19%	+$40.3K	﹤0.01%	7547
2023 Q2	$219K	Buy	+32,700	New	+$243K	﹤0.01%	7568
2022 Q4	–	Sell	-22,800	Closed	-$162K	–	9030
2022 Q3	$162K	Sell	22,800 -6,000	-21%	-$56.5K	﹤0.01%	8347
2022 Q2	$233K	Buy	+28,800	New	+$253K	﹤0.01%	7975
2021 Q4	–	Sell	-20,900	Closed	-$710K	–	9976
2021 Q3	$710K	Sell	20,900 -145,300	-87%	-$5.26M	﹤0.01%	6618
2021 Q2	$6.79M	Buy	166,200 +5,400	+3%	+$210K	﹤0.01%	2204
2021 Q1	$6.47M	Buy	160,800 +70,900	+79%	+$3.84M	﹤0.01%	2041
2020 Q4	$5.32M	Buy	89,900 +33,000	+58%	+$1.7M	﹤0.01%	2063
2020 Q3	$2.77M	Buy	56,900 +3,700	+7%	+$156K	﹤0.01%	2554
2020 Q2	$2.57M	Buy	+53,200	New	+$1.94M	﹤0.01%	2718

Other funds holding ADPT

Viking Global Investors Stamford, Connecticut $35.1B AUM 21.36% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return

Westfield Capital Management Boston, Massachusetts $30.6B AUM 61.81% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Jane Street's ADPT Position: Q2 2026 in Review

Jane Street increased its Adaptive Biotechnologies (ADPT) stake by 133% in Q2 2026, buying an estimated $13.9M and bringing the position to 1,590,513 shares worth $34.1M. The position accounts for ﹤0.01% of the portfolio, ranked #1700.

Jane Street first reported a position in ADPT in Q1 2020 and has held it in 23 quarters since. 300 funds tracked by Wall St. Rank hold ADPT as of Q2 2026.

Jane Street held 1,590,513 shares of Adaptive Biotechnologies worth $34.1M as of Q2 2026.
Jane Street bought 908,331 Adaptive Biotechnologies shares in Q2 2026, an estimated $13.9M.
Adaptive Biotechnologies made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #1700 holding.
Jane Street first reported a position in Adaptive Biotechnologies in Q1 2020 and has held it in 23 quarters since.
300 funds tracked by Wall St. Rank held Adaptive Biotechnologies as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.