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UBS O'Connor’s AnaptysBio ANAB Stock Holding History

UBS O'Connor’s Portfolio ANAB Stock Details ANAB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q3 		– Sell
-38,528
Closed -$855K – 286
2025
Q2 		$855K Sell
38,528
-8,523
-18% -$178K 0.02% 243
2025
Q1 		$875K Buy
+47,051
New +$785K 0.02% 200
2024
Q4 		– Sell
-50,588
Closed -$1.69M – 431
2024
Q3 		$1.69M Sell
50,588
-29,256
-37% -$999K 0.04% 199
2024
Q2 		$2M Sell
79,844
-3,181
-4% -$74.1K 0.06% 194
2024
Q1 		$1.87M Sell
83,025
-4,099
-5% -$97.1K 0.05% 184
2023
Q4 		$1.87M Sell
87,124
-37,339
-30% -$644K 0.06% 180
2023
Q3 		$2.24M Hold
124,463
– – 0.04% 229
2023
Q2 		$2.53M Buy
124,463
+8,984
+8% +$182K 0.05% 224
2023
Q1 		$2.51M Buy
+115,479
New +$2.81M 0.06% 234
2022
Q4 		– Sell
-81,668
Closed -$2.08M – 32
2022
Q3 		$2.08M Buy
81,668
+702
+0.9% +$16.5K 0.02% 619
2022
Q2 		$1.64M Buy
+80,966
New +$1.79M 0.02% 691

Other funds holding ANAB

EC
EcoR1 Capital San Francisco, California $2.36B AUM 204.53% 1-Year Est. Return
Point72 Asset Management
Point72 Asset Management Stamford, Connecticut $78.1B AUM 55.25% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
TCM
Tang Capital Management San Diego, California $1.97B AUM 125.1% 1-Year Est. Return
FLAM
First Light Asset Management Edina, Minnesota $1.12B AUM 114.45% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Assenagon Asset Management
Assenagon Asset Management Senningerberg, Luxembourg $80.2B AUM 50.57% 1-Year Est. Return

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

UBS O'Connor sold out of AnaptysBio (ANAB) in Q3 2025, closing a stake of 38,528 shares — an estimated $855K sold.

UBS O'Connor first reported a position in ANAB in Q2 2022 and held it in 11 quarters. The position peaked at $2.53M in Q2 2023. 166 funds tracked by Wall St. Rank hold ANAB as of Q3 2025.

  • UBS O'Connor reported no remaining AnaptysBio position as of Q3 2025 after selling out during the quarter.
  • UBS O'Connor sold 38,528 AnaptysBio shares in Q3 2025, an estimated $855K.
  • UBS O'Connor first reported a position in AnaptysBio in Q2 2022 and held it in 11 quarters.
  • UBS O'Connor's AnaptysBio position peaked at $2.53M in Q2 2023.
  • 166 funds tracked by Wall St. Rank held AnaptysBio as of Q3 2025.

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