Fred Alger Management’s Adaptive Biotechnologies ADPT Stock Holding History

Fred Alger 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	$44.9M	Buy	2,092,284 +29,138	+1%	+$446K	0.15%	71
2026 Q1	$28.6M	Sell	2,063,146 -182,272	-8%	-$2.9M	0.13%	85
2025 Q4	$36.5M	Sell	2,245,418 -268,816	-11%	-$4.39M	0.14%	80
2025 Q3	$37.6M	Buy	2,514,234 +158,807	+7%	+$1.94M	0.15%	78
2025 Q2	$27.4M	Buy	+2,355,427	New	+$21.4M	0.12%	94
2021 Q2	–	Sell	-26,105	Closed	-$1.05M	–	509
2021 Q1	$1.05M	Sell	26,105 -20,033	-43%	-$1.08M	﹤0.01%	380
2020 Q4	$2.73M	Sell	46,138 -1,040	-2%	-$53.6K	0.01%	316
2020 Q3	$2.29M	Buy	47,178 +19,007	+67%	+$799K	0.01%	295
2020 Q2	$1.36M	Buy	28,171 +8,000	+40%	+$292K	﹤0.01%	328
2020 Q1	$560K	Sell	20,171 -8,000	-28%	-$223K	﹤0.01%	353
2019 Q4	$843K	Sell	28,171 -1,068,498	-97%	-$30.7M	﹤0.01%	353
2019 Q3	$33.9M	Buy	1,096,669 +588,874	+116%	+$24M	0.13%	138
2019 Q2	$24.5M	Buy	+507,795	New	+$22.5M	0.09%	153

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

Fred Alger Management's ADPT Position: Q2 2026 in Review

Fred Alger Management increased its Adaptive Biotechnologies (ADPT) stake by 1.4% in Q2 2026, buying an estimated $446K and bringing the position to 2,092,284 shares worth $44.9M. The position accounts for 0.15% of the portfolio, ranked #71.

Fred Alger Management first reported a position in ADPT in Q2 2019 and has held it in 13 quarters since. 301 funds tracked by Wall St. Rank hold ADPT as of Q2 2026.

Fred Alger Management held 2,092,284 shares of Adaptive Biotechnologies worth $44.9M as of Q2 2026.
Fred Alger Management bought 29,138 Adaptive Biotechnologies shares in Q2 2026, an estimated $446K.
Adaptive Biotechnologies made up 0.15% of Fred Alger Management's portfolio in Q2 2026, its #71 holding.
Fred Alger Management first reported a position in Adaptive Biotechnologies in Q2 2019 and has held it in 13 quarters since.
301 funds tracked by Wall St. Rank held Adaptive Biotechnologies as of Q2 2026.

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