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 Q1	–	Sell	-28,100	Closed	-$456K	–	11424
2025 Q4	$456K	Buy	+28,100	New	+$459K	﹤0.01%	7910
2022 Q2	–	Sell	-11,100	Closed	-$154K	–	9534
2022 Q1	$154K	Buy	+11,100	New	+$175K	﹤0.01%	9208
2021 Q4	–	Sell	-7,800	Closed	-$265K	–	9977
2021 Q3	$265K	Sell	7,800 -3,900	-33%	-$141K	﹤0.01%	8420
2021 Q2	$478K	Sell	11,700 -22,600	-66%	-$879K	﹤0.01%	7329
2021 Q1	$1.38M	Buy	34,300 +24,300	+243%	+$1.32M	﹤0.01%	4795
2020 Q4	$591K	Sell	10,000 -5,400	-35%	-$278K	﹤0.01%	5483
2020 Q3	$749K	Sell	15,400 -2,800	-15%	-$118K	﹤0.01%	4552
2020 Q2	$881K	Buy	+18,200	New	+$664K	﹤0.01%	4247

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.