Ken Griffin
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Ken Griffin’s Adaptive Biotechnologies ADPT Stock Holding History

Ken Griffin’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
2025
Q2 		– Sell
-18,600
Closed -$138K – 12340
2025
Q1 		$138K Buy
18,600
+10,100
+119% +$77.6K ﹤0.01% 10995
2024
Q4 		$51K Sell
8,500
-21,000
-71% -$116K ﹤0.01% 12371
2024
Q3 		$151K Buy
29,500
+14,000
+90% +$61K ﹤0.01% 10558
2024
Q2 		$56.1K Buy
15,500
+5,100
+49% +$16.2K ﹤0.01% 11632
2024
Q1 		$33.4K Sell
10,400
-2,400
-19% -$9.29K ﹤0.01% 12588
2023
Q4 		$62.7K Buy
12,800
+2,900
+29% +$13.2K ﹤0.01% 11534
2023
Q3 		$54K Sell
9,900
-4,000
-29% -$26.4K ﹤0.01% 11675
2023
Q2 		$93.3K Buy
13,900
+3,600
+35% +$26.8K ﹤0.01% 11040
2023
Q1 		$90.9K Sell
10,300
-5,500
-35% -$48.5K ﹤0.01% 11400
2022
Q4 		$121K Sell
15,800
-19,200
-55% -$149K ﹤0.01% 10948
2022
Q3 		$249K Sell
35,000
-7,100
-17% -$66.9K ﹤0.01% 9970
2022
Q2 		$341K Sell
42,100
-28,300
-40% -$249K ﹤0.01% 9516
2022
Q1 		$977K Buy
70,400
+50,000
+245% +$786K ﹤0.01% 7746
2021
Q4 		$572K Sell
20,400
-60,600
-75% -$1.86M ﹤0.01% 9366
2021
Q3 		$2.75M Sell
81,000
-8,300
-9% -$300K ﹤0.01% 5566
2021
Q2 		$3.65M Sell
89,300
-118,700
-57% -$4.61M ﹤0.01% 5146
2021
Q1 		$8.37M Buy
208,000
+166,700
+404% +$9.02M ﹤0.01% 3249
2020
Q4 		$2.44M Buy
41,300
+20,900
+102% +$1.08M ﹤0.01% 4940
2020
Q3 		$992K Buy
20,400
+1,200
+6% +$50.4K ﹤0.01% 6045
2020
Q2 		$929K Buy
+19,200
New +$700K ﹤0.01% 5974
2020
Q1 		– Sell
-13,100
Closed -$392K – 9526
2019
Q4 		$392K Buy
+13,100
New +$376K ﹤0.01% 7180

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 $4.68T AUM
Westfield Capital Management
Westfield Capital Management Boston, Massachusetts $30.6B AUM 61.81% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T 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 $1.88T AUM 44.46% 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

Ken Griffin's ADPT Position: Q1 2026 in Review

Ken Griffin increased its Adaptive Biotechnologies (ADPT) stake by 538% in Q1 2026, buying an estimated $4.88M and bringing the position to 363,333 shares worth $5.04M. The position accounts for ﹤0.01% of the portfolio, ranked #4321.

Ken Griffin first reported a position in ADPT in Q2 2019 and has held it in 28 quarters since. The position peaked at $14.4M in Q1 2021. 297 funds tracked by Wall St. Rank hold ADPT as of Q1 2026.

  • Ken Griffin held 363,333 shares of Adaptive Biotechnologies worth $5.04M as of Q1 2026.
  • Ken Griffin bought 306,381 Adaptive Biotechnologies shares in Q1 2026, an estimated $4.88M.
  • Adaptive Biotechnologies made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #4321 holding.
  • Ken Griffin first reported a position in Adaptive Biotechnologies in Q2 2019 and has held it in 28 quarters since.
  • Ken Griffin's Adaptive Biotechnologies position peaked at $14.4M in Q1 2021.
  • 297 funds tracked by Wall St. Rank held Adaptive Biotechnologies as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.