Sectoral Asset Management’s AnaptysBio ANAB Stock Holding History

Sectoral 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	-194,485	Closed	-$5.96M	–	75
2025 Q3	$5.96M	Buy	194,485 +110,585	+132%	+$2.54M	3.68%	4
2025 Q2	$1.86M	Buy	+83,900	New	+$1.76M	1.23%	31
2018 Q3	–	Sell	-34,100	Closed	-$2.42M	–	169
2018 Q2	$2.42M	Buy	+34,100	New	+$2.86M	0.27%	60

Other funds holding ANAB

EcoR1 Capital San Francisco, California $2.06B AUM 215.32% 1-Year Est. Return

Point72 Asset Management Stamford, Connecticut $90.7B AUM 77.13% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

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 Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Sanofi Paris, France $534M AUM 205.96% 1-Year Est. Return

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

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

Sectoral Asset Management sold out of AnaptysBio (ANAB) in Q4 2025, closing a stake of 194,485 shares — an estimated $5.96M sold.

Sectoral Asset Management first reported a position in ANAB in Q2 2018 and held it in 3 quarters. The position peaked at $5.96M in Q3 2025. 179 funds tracked by Wall St. Rank hold ANAB as of Q4 2025.

Sectoral Asset Management reported no remaining AnaptysBio position as of Q4 2025 after selling out during the quarter.
Sectoral Asset Management sold 194,485 AnaptysBio shares in Q4 2025, an estimated $5.96M.
Sectoral Asset Management first reported a position in AnaptysBio in Q2 2018 and held it in 3 quarters.
Sectoral Asset Management's AnaptysBio position peaked at $5.96M in Q3 2025.
179 funds tracked by Wall St. Rank held AnaptysBio as of Q4 2025.

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