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Essex Investment Management’s Adaptive Biotechnologies ADPT Stock Holding History

Essex Investment 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
Q1 		$6.85M Sell
493,403
-130,814
-21% -$2.08M 1.08% 22
2025
Q4 		$10.1M Sell
624,217
-14,244
-2% -$232K 1.55% 9
2025
Q3 		$9.55M Buy
638,461
+21,162
+3% +$258K 1.46% 10
2025
Q2 		$7.19M Sell
617,299
-4,413
-0.7% -$40.1K 1.31% 12
2025
Q1 		$4.62M Sell
621,712
-4,126
-0.7% -$31.7K 0.96% 21
2024
Q4 		$3.75M Sell
625,838
-92,818
-13% -$512K 0.67% 47
2024
Q3 		$3.68M Buy
718,656
+94,831
+15% +$413K 0.64% 57
2024
Q2 		$2.26M Buy
623,825
+346,729
+125% +$1.1M 0.42% 96
2024
Q1 		$889K Buy
277,096
+5,183
+2% +$20.1K 0.18% 148
2023
Q4 		$1.33M Buy
271,913
+61,693
+29% +$281K 0.26% 136
2023
Q3 		$1.15M Sell
210,220
-1,486
-0.7% -$9.83K 0.19% 173
2023
Q2 		$1.42M Buy
211,706
+31,134
+17% +$231K 0.2% 160
2023
Q1 		$1.59M Buy
+180,572
New +$1.59M 0.23% 138

Other funds holding ADPT

Viking Global Investors
Viking Global Investors Stamford, Connecticut $35.7B AUM 21.3% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Westfield Capital Management
Westfield Capital Management Boston, Massachusetts $23.8B AUM 49.45% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Lord, Abbett & Co
Lord, Abbett & Co Jersey City, New Jersey $30.6B AUM 57.44% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

Essex Investment Management's ADPT Position: Q1 2026 in Review

Essex Investment Management reduced its Adaptive Biotechnologies (ADPT) stake by 21% in Q1 2026, selling an estimated $2.08M and leaving 493,403 shares worth $6.85M. The position accounts for 1.08% of the portfolio, ranked #22.

Essex Investment Management first reported a position in ADPT in Q1 2023 and has held it in 13 quarters since. The position peaked at $10.1M in Q4 2025. 296 funds tracked by Wall St. Rank hold ADPT as of Q1 2026.

  • Essex Investment Management held 493,403 shares of Adaptive Biotechnologies worth $6.85M as of Q1 2026.
  • Essex Investment Management sold 130,814 Adaptive Biotechnologies shares in Q1 2026, an estimated $2.08M.
  • Adaptive Biotechnologies made up 1.08% of Essex Investment Management's portfolio in Q1 2026, its #22 holding.
  • Essex Investment Management first reported a position in Adaptive Biotechnologies in Q1 2023 and has held it in 13 quarters since.
  • Essex Investment Management's Adaptive Biotechnologies position peaked at $10.1M in Q4 2025.
  • 296 funds tracked by Wall St. Rank held Adaptive Biotechnologies as of Q1 2026.

Based on Essex Investment Management's 13F filing for Q1 2026, filed 11 May 2026.