Cornerstone Capital’s OmniAb OABI Stock Holding History

Cornerstone 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
2026 Q2	$350K	Hold	142,286	–	–	0.03%	99
2026 Q1	$223K	Buy	142,286 +33,075	+30%	+$59.7K	0.02%	111
2025 Q4	$202K	Hold	109,211	–	–	0.02%	105
2025 Q3	$175K	Sell	109,211 -54,551	-33%	-$99.7K	0.02%	104
2025 Q2	$285K	Sell	163,762 -8,254	-5%	-$13.8K	0.03%	86
2025 Q1	$413K	Hold	172,016	–	–	0.04%	81
2024 Q4	$609K	Hold	172,016	–	–	0.06%	71
2024 Q3	$728K	Hold	172,016	–	–	0.07%	69
2024 Q2	$645K	Hold	172,016	–	–	0.07%	67
2024 Q1	$932K	Buy	172,016 +6,000	+4%	+$34.6K	0.1%	61
2023 Q4	$1.02M	Hold	166,016	–	–	0.11%	61
2023 Q3	$862K	Hold	166,016	–	–	0.1%	58
2023 Q2	$835K	Sell	166,016 -8,643	-5%	-$35K	0.1%	59
2023 Q1	$643K	Hold	174,659	–	–	0.08%	65
2022 Q4	$629K	Buy	+174,659	New	+$917K	0.08%	66

Other funds holding OABI

WCM

Whitefort Capital Management New York $406M AUM 84.26% 1-Year Est. Return

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

Nomura Holdings Tokyo, Japan $85.4B AUM 91.09% 1-Year Est. Return

CCM

Cadian Capital Management New York $1.32B AUM 4.19% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

RHJA

Rice Hall James & Associates San Diego, California $2.05B AUM 43.16% 1-Year Est. Return

PMG

Private Management Group Irvine, California $3.8B AUM 23.19% 1-Year Est. Return

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

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Cornerstone Capital's OABI Position: Q2 2026 in Review

Cornerstone Capital held its OmniAb (OABI) position steady in Q2 2026 at 142,286 shares worth $350K. The position accounts for 0.03% of the portfolio, ranked #99.

Cornerstone Capital first reported a position in OABI in Q4 2022 and has held it in 15 quarters since. The position peaked at $1.02M in Q4 2023. 131 funds tracked by Wall St. Rank hold OABI as of Q2 2026.

Cornerstone Capital held 142,286 shares of OmniAb worth $350K as of Q2 2026.
Cornerstone Capital left its OmniAb share count unchanged in Q2 2026.
OmniAb made up 0.03% of Cornerstone Capital's portfolio in Q2 2026, its #99 holding.
Cornerstone Capital first reported a position in OmniAb in Q4 2022 and has held it in 15 quarters since.
Cornerstone Capital's OmniAb position peaked at $1.02M in Q4 2023.
131 funds tracked by Wall St. Rank held OmniAb as of Q2 2026.

Based on Cornerstone Capital's 13F filing for Q2 2026, filed 3 Aug 2026.