Assenagon Asset Management
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Assenagon Asset Management’s AnaptysBio ANAB Stock Holding History

Assenagon Asset Management’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
Q4 		– Sell
-839,934
Closed -$25.7M – 1150
2025
Q3 		$25.7M Buy
839,934
+822,975
+4,853% +$18.9M 0.04% 325
2025
Q2 		$376K Sell
16,959
-225,526
-93% -$4.72M ﹤0.01% 1071
2025
Q1 		$4.51M Sell
242,485
-89,273
-27% -$1.49M 0.01% 552
2024
Q4 		$4.39M Sell
331,758
-143,688
-30% -$3.48M 0.01% 718
2024
Q3 		$15.9M Buy
475,446
+168,813
+55% +$5.77M 0.03% 407
2024
Q2 		$7.68M Buy
306,633
+84,795
+38% +$1.97M 0.02% 498
2024
Q1 		$5M Hold
221,838
– – 0.01% 608
2023
Q4 		$4.75M Hold
221,838
– – 0.01% 650
2023
Q3 		$3.98M Sell
221,838
-273,216
-55% -$5.21M 0.01% 635
2023
Q2 		$10.1M Hold
495,054
– – 0.03% 358
2023
Q1 		$10.8M Sell
495,054
-198,100
-29% -$4.81M 0.04% 368
2022
Q4 		$21.5M Sell
693,154
-143,700
-17% -$4.06M 0.08% 234
2022
Q3 		$21.3M Buy
836,854
+149,290
+22% +$3.5M 0.08% 237
2022
Q2 		$14M Buy
+687,564
New +$15.2M 0.05% 297

Other funds holding ANAB

EC
EcoR1 Capital San Francisco, California $2.06B AUM 215.32% 1-Year Est. Return
Point72 Asset Management
Point72 Asset Management Stamford, Connecticut $90.7B AUM 77.13% 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
TCM
Tang Capital Management San Diego, California $2.2B AUM 156.35% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
S
Sanofi Paris, France $534M AUM 205.96% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return
PAI
Palo Alto Investors Palo Alto, California $724M AUM 96.91% 1-Year Est. Return

Assenagon Asset Management's ANAB Position: Q4 2025 in Review

Assenagon Asset Management sold out of AnaptysBio (ANAB) in Q4 2025, closing a stake of 839,934 shares — an estimated $25.7M sold.

Assenagon Asset Management first reported a position in ANAB in Q2 2022 and held it in 14 quarters. The position peaked at $25.7M in Q3 2025. 179 funds tracked by Wall St. Rank hold ANAB as of Q4 2025.

  • Assenagon Asset Management reported no remaining AnaptysBio position as of Q4 2025 after selling out during the quarter.
  • Assenagon Asset Management sold 839,934 AnaptysBio shares in Q4 2025, an estimated $25.7M.
  • Assenagon Asset Management first reported a position in AnaptysBio in Q2 2022 and held it in 14 quarters.
  • Assenagon Asset Management's AnaptysBio position peaked at $25.7M in Q3 2025.
  • 179 funds tracked by Wall St. Rank held AnaptysBio as of Q4 2025.

Based on Assenagon Asset Management's 13F filing for Q4 2025, filed 9 Jan 2026.