Acadian Asset Management’s OmniAb OABI Stock Holding History

Acadian Asset Management’s Portfolio OABI Stock Details OABI Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-47,625	Closed	-$88K	–	2188
2025 Q4	$88K	Buy	+47,625	New	+$82.8K	﹤0.01%	1705

Other funds holding OABI

WCM

Whitefort Capital Management New York $339M AUM 52.48% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

CCM

Cadian Capital Management New York $821M AUM 14.36% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

RHJA

Rice Hall James & Associates San Diego, California $1.8B AUM 36.16% 1-Year Est. Return

PMG

Private Management Group Irvine, California $3.47B AUM 13.39% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

TowerView LLC New York $155M AUM 30.14% 1-Year Est. Return

Acadian Asset Management's OABI Position: Q1 2026 in Review

Acadian Asset Management sold out of OmniAb (OABI) in Q1 2026, closing a stake of 47,625 shares — an estimated $88K sold.

Acadian Asset Management first reported a position in OABI in Q4 2025 and held it in 1 quarter. The position peaked at $88K in Q4 2025. 128 funds tracked by Wall St. Rank hold OABI as of Q1 2026.

Acadian Asset Management reported no remaining OmniAb position as of Q1 2026 after selling out during the quarter.
Acadian Asset Management sold 47,625 OmniAb shares in Q1 2026, an estimated $88K.
Acadian Asset Management first reported a position in OmniAb in Q4 2025 and held it in 1 quarter.
Acadian Asset Management's OmniAb position peaked at $88K in Q4 2025.
128 funds tracked by Wall St. Rank held OmniAb as of Q1 2026.

Based on Acadian Asset Management's 13F filing for Q1 2026, filed 13 May 2026.