Driehaus Capital Management’s Adaptive Biotechnologies ADPT Stock Holding History

Driehaus Capital Management’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	$54.2M	Buy	2,527,703 +777,102	+44%	+$11.9M	0.31%	106
2026 Q1	$24.3M	Sell	1,750,601 -1,009,786	-37%	-$16.1M	0.18%	176
2025 Q4	$44.8M	Sell	2,760,387 -259,553	-9%	-$4.24M	0.3%	110
2025 Q3	$45.2M	Buy	3,019,940 +596,350	+25%	+$7.27M	0.32%	99
2025 Q2	$28.2M	Buy	2,423,590 +271,255	+13%	+$2.46M	0.23%	142
2025 Q1	$16M	Buy	2,152,335 +1,306,164	+154%	+$10M	0.15%	188
2024 Q4	$5.07M	Buy	846,171 +410,877	+94%	+$2.27M	0.04%	293
2024 Q3	$2.23M	Buy	+435,294	New	+$1.9M	0.02%	300
2019 Q3	–	Sell	-46,490	Closed	-$2.25M	–	480
2019 Q2	$2.25M	Buy	+46,490	New	+$2.06M	0.07%	222

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

Driehaus Capital Management's ADPT Position: Q2 2026 in Review

Driehaus Capital Management increased its Adaptive Biotechnologies (ADPT) stake by 44% in Q2 2026, buying an estimated $11.9M and bringing the position to 2,527,703 shares worth $54.2M. The position accounts for 0.31% of the portfolio, ranked #106.

Driehaus Capital Management first reported a position in ADPT in Q2 2019 and has held it in 9 quarters since. 300 funds tracked by Wall St. Rank hold ADPT as of Q2 2026.

Driehaus Capital Management held 2,527,703 shares of Adaptive Biotechnologies worth $54.2M as of Q2 2026.
Driehaus Capital Management bought 777,102 Adaptive Biotechnologies shares in Q2 2026, an estimated $11.9M.
Adaptive Biotechnologies made up 0.31% of Driehaus Capital Management's portfolio in Q2 2026, its #106 holding.
Driehaus Capital Management first reported a position in Adaptive Biotechnologies in Q2 2019 and has held it in 9 quarters since.
300 funds tracked by Wall St. Rank held Adaptive Biotechnologies as of Q2 2026.

Based on Driehaus Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.