Acadian Asset Management’s AnaptysBio ANAB Stock Holding History

Acadian 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
2026 Q2	$787K	Sell	11,697 -1,522	-12%	-$92.3K	﹤0.01%	1333
2026 Q1	$730K	Buy	13,219 +7,410	+128%	+$399K	﹤0.01%	1258
2025 Q4	$280K	Buy	+5,809	New	+$226K	﹤0.01%	1450
2024 Q4	–	Sell	-633	Closed	-$21K	–	1615
2024 Q3	$21K	Buy	+633	New	+$21.6K	﹤0.01%	1970
2024 Q2	–	Sell	-18,671	Closed	-$420K	–	1738
2024 Q1	$420K	Buy	+18,671	New	+$442K	﹤0.01%	1051
2022 Q2	–	Sell	-152,885	Closed	-$3.78M	–	1670
2022 Q1	$3.78M	Sell	152,885 -37,265	-20%	-$1.13M	0.02%	523
2021 Q4	$6.6M	Buy	190,150 +13,496	+8%	+$428K	0.02%	400
2021 Q3	$4.79M	Buy	176,654 +15,270	+9%	+$388K	0.02%	457
2021 Q2	$4.18M	Buy	161,384 +17,007	+12%	+$408K	0.02%	512
2021 Q1	$3.11M	Buy	144,377 +26,601	+23%	+$671K	0.01%	615
2020 Q4	$2.53M	Sell	117,776 -24,547	-17%	-$596K	0.01%	693
2020 Q3	$2.1M	Buy	142,323 +19,341	+16%	+$349K	0.01%	654
2020 Q2	$2.75M	Buy	+122,982	New	+$2.25M	0.01%	644

Other funds holding ANAB

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

BlackRock New York $6.73T AUM 46.02% 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

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

AAA

Affinity Asset Advisors New York $2.21B AUM 431.26% 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

Woodline Partners San Francisco, California $32.4B AUM 58.5% 1-Year Est. Return

6CM

683 Capital Management New York $2.04B AUM 94.26% 1-Year Est. Return

Acadian Asset Management's ANAB Position: Q2 2026 in Review

Acadian Asset Management reduced its AnaptysBio (ANAB) stake by 12% in Q2 2026, selling an estimated $92.3K and leaving 11,697 shares worth $787K. The position accounts for ﹤0.01% of the portfolio, ranked #1333.

Acadian Asset Management first reported a position in ANAB in Q2 2020 and has held it in 13 quarters since. The position peaked at $6.6M in Q4 2021. 213 funds tracked by Wall St. Rank hold ANAB as of Q2 2026.

Acadian Asset Management held 11,697 shares of AnaptysBio worth $787K as of Q2 2026.
Acadian Asset Management sold 1,522 AnaptysBio shares in Q2 2026, an estimated $92.3K.
AnaptysBio made up ﹤0.01% of Acadian Asset Management's portfolio in Q2 2026, its #1333 holding.
Acadian Asset Management first reported a position in AnaptysBio in Q2 2020 and has held it in 13 quarters since.
Acadian Asset Management's AnaptysBio position peaked at $6.6M in Q4 2021.
213 funds tracked by Wall St. Rank held AnaptysBio as of Q2 2026.

Based on Acadian Asset Management's 13F filing for Q2 2026, filed 13 Aug 2026.