Woodline Partners’s OmniAb OABI Stock Holding History

Woodline Partners’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	-285,714	Closed	-$529K	–	1122
2025 Q4	$529K	Sell	285,714 -2,571,428	-90%	-$4.47M	﹤0.01%	901
2025 Q3	$4.57M	Buy	+2,857,142	New	+$5.22M	0.02%	591

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

Woodline Partners's OABI Position: Q1 2026 in Review

Woodline Partners sold out of OmniAb (OABI) in Q1 2026, closing a stake of 285,714 shares — an estimated $529K sold.

Woodline Partners first reported a position in OABI in Q3 2025 and held it in 2 quarters. The position peaked at $4.57M in Q3 2025. 128 funds tracked by Wall St. Rank hold OABI as of Q1 2026.

Woodline Partners reported no remaining OmniAb position as of Q1 2026 after selling out during the quarter.
Woodline Partners sold 285,714 OmniAb shares in Q1 2026, an estimated $529K.
Woodline Partners first reported a position in OmniAb in Q3 2025 and held it in 2 quarters.
Woodline Partners's OmniAb position peaked at $4.57M in Q3 2025.
128 funds tracked by Wall St. Rank held OmniAb as of Q1 2026.

Based on Woodline Partners's 13F filing for Q1 2026, filed 15 May 2026.