Quadrature Capital’s OmniAb OABI Stock Holding History

Quadrature Capital’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
2025 Q4	–	Sell	-17,446	Closed	-$27.7K	–	1546
2025 Q3	$27.7K	Buy	17,446 +5,188	+42%	+$9.48K	﹤0.01%	982
2025 Q2	$21.3K	Buy	+12,258	New	+$20.5K	﹤0.01%	991

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

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

CCM

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

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

PMG

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

RHJA

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

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

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

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

Quadrature Capital's OABI Position: Q4 2025 in Review

Quadrature Capital sold out of OmniAb (OABI) in Q4 2025, closing a stake of 17,446 shares — an estimated $27.7K sold.

Quadrature Capital first reported a position in OABI in Q2 2025 and held it in 2 quarters. The position peaked at $27.7K in Q3 2025. 129 funds tracked by Wall St. Rank hold OABI as of Q4 2025.

Quadrature Capital reported no remaining OmniAb position as of Q4 2025 after selling out during the quarter.
Quadrature Capital sold 17,446 OmniAb shares in Q4 2025, an estimated $27.7K.
Quadrature Capital first reported a position in OmniAb in Q2 2025 and held it in 2 quarters.
Quadrature Capital's OmniAb position peaked at $27.7K in Q3 2025.
129 funds tracked by Wall St. Rank held OmniAb as of Q4 2025.

Based on Quadrature Capital's 13F filing for Q4 2025, filed 17 Feb 2026.