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UBS O'Connor’s Adaptive Biotechnologies ADPT Stock Holding History

UBS O'Connor’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
-73,441
Closed -$856K – 278
2025
Q2 		$856K Sell
73,441
-114,348
-61% -$1.04M 0.02% 243
2025
Q1 		$1.4M Sell
187,789
-26,040
-12% -$200K 0.03% 155
2024
Q4 		$1.28M Buy
213,829
+48,555
+29% +$268K 0.03% 209
2024
Q3 		$846K Buy
165,274
+99,529
+151% +$434K 0.02% 296
2024
Q2 		$238K Hold
65,745
– – 0.01% 412
2024
Q1 		$211K Sell
65,745
-100,000
-60% -$387K 0.01% 395
2023
Q4 		$812K Sell
165,745
-35,595
-18% -$162K 0.03% 299
2023
Q3 		$1.1M Buy
201,340
+1,500
+0.8% +$9.92K 0.02% 323
2023
Q2 		$1.34M Buy
199,840
+21,254
+12% +$158K 0.03% 352
2023
Q1 		$1.58M Buy
178,586
+25,504
+17% +$225K 0.04% 362
2022
Q4 		$1.17M Buy
153,082
+9,592
+7% +$74.6K 0.02% 546
2022
Q3 		$1.02M Sell
143,490
-70,000
-33% -$659K 0.01% 746
2022
Q2 		$1.73M Buy
213,490
+125,490
+143% +$1.1M 0.02% 685
2022
Q1 		$1.22M Buy
+88,000
New +$1.38M 0.01% 666

Other funds holding ADPT

Viking Global Investors
Viking Global Investors Stamford, Connecticut $35.1B AUM 21.36% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Ameriprise
Ameriprise Minneapolis, Minnesota $495B AUM 43.24% 1-Year Est. Return
NAMA
Nikko Asset Management Americas New York $7.75B AUM 33.73% 1-Year Est. Return
Sumitomo Mitsui Trust Group
Sumitomo Mitsui Trust Group Minato-Ku, Tokyo, Japan $175B AUM 40.63% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
AIM
ARK Investment Management St. Petersburg, Florida $15.4B AUM 50.29% 1-Year Est. Return
AAP
Aristotle Atlantic Partners Sarasota, Florida $2.41B AUM 41.95% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

UBS O'Connor's ADPT Position: Q3 2025 in Review

UBS O'Connor sold out of Adaptive Biotechnologies (ADPT) in Q3 2025, closing a stake of 73,441 shares — an estimated $856K sold.

UBS O'Connor first reported a position in ADPT in Q1 2022 and held it in 14 quarters. The position peaked at $1.73M in Q2 2022. 271 funds tracked by Wall St. Rank hold ADPT as of Q3 2025.

  • UBS O'Connor reported no remaining Adaptive Biotechnologies position as of Q3 2025 after selling out during the quarter.
  • UBS O'Connor sold 73,441 Adaptive Biotechnologies shares in Q3 2025, an estimated $856K.
  • UBS O'Connor first reported a position in Adaptive Biotechnologies in Q1 2022 and held it in 14 quarters.
  • UBS O'Connor's Adaptive Biotechnologies position peaked at $1.73M in Q2 2022.
  • 271 funds tracked by Wall St. Rank held Adaptive Biotechnologies as of Q3 2025.

Based on UBS O'Connor's 13F filing for Q3 2025, filed 14 Nov 2025.