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Polar Asset Management Partners’s Adaptive Biotechnologies ADPT Stock Holding History

Polar Asset Management Partners’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
Q3 		– Sell
-326,000
Closed -$3.8M – 661
2025
Q2 		$3.8M Sell
326,000
-201,960
-38% -$1.83M 0.06% 238
2025
Q1 		$3.92M Buy
+527,960
New +$4.06M 0.09% 208

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 $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Ameriprise
Ameriprise Minneapolis, Minnesota $432B AUM 30.22% 1-Year Est. Return
NAMA
Nikko Asset Management Americas New York $7.07B AUM 50.91% 1-Year Est. Return
Sumitomo Mitsui Trust Group
Sumitomo Mitsui Trust Group Minato-Ku, Tokyo, Japan $154B AUM 29.96% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
AIM
ARK Investment Management St. Petersburg, Florida $12.9B AUM 64.92% 1-Year Est. Return
AAP
Aristotle Atlantic Partners Sarasota, Florida $2.14B AUM 37.01% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Polar Asset Management Partners's ADPT Position: Q3 2025 in Review

Polar Asset Management Partners sold out of Adaptive Biotechnologies (ADPT) in Q3 2025, closing a stake of 326,000 shares — an estimated $3.8M sold.

Polar Asset Management Partners first reported a position in ADPT in Q1 2025 and held it in 2 quarters. The position peaked at $3.92M in Q1 2025. 271 funds tracked by Wall St. Rank hold ADPT as of Q3 2025.

  • Polar Asset Management Partners reported no remaining Adaptive Biotechnologies position as of Q3 2025 after selling out during the quarter.
  • Polar Asset Management Partners sold 326,000 Adaptive Biotechnologies shares in Q3 2025, an estimated $3.8M.
  • Polar Asset Management Partners first reported a position in Adaptive Biotechnologies in Q1 2025 and held it in 2 quarters.
  • Polar Asset Management Partners's Adaptive Biotechnologies position peaked at $3.92M in Q1 2025.
  • 271 funds tracked by Wall St. Rank held Adaptive Biotechnologies as of Q3 2025.

Based on Polar Asset Management Partners's 13F filing for Q3 2025, filed 14 Nov 2025.