North Star Investment Management’s OmniAb OABI Stock Holding History

North Star Investment 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	$864	Hold	550	–	–	﹤0.01%	1510
2025 Q4	$1.02K	Hold	550	–	–	﹤0.01%	1392
2025 Q3	$880	Hold	550	–	–	﹤0.01%	1178
2025 Q2	$957	Hold	550	–	–	﹤0.01%	1135
2025 Q1	$1.32K	Hold	550	–	–	﹤0.01%	1111
2024 Q4	$1.95K	Hold	550	–	–	﹤0.01%	1116
2024 Q3	$2.33K	Hold	550	–	–	﹤0.01%	1067
2024 Q2	$2.06K	Hold	550	–	–	﹤0.01%	1034
2024 Q1	$2.98K	Sell	550 -450	-45%	-$2.59K	﹤0.01%	1050
2023 Q4	$6.17K	Hold	1,000	–	–	﹤0.01%	919
2023 Q3	$5.19K	Hold	1,000	–	–	﹤0.01%	954
2023 Q2	$5.03K	Hold	1,000	–	–	﹤0.01%	968
2023 Q1	$3.68K	Buy	+1,000	New	+$3.78K	﹤0.01%	1020

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

North Star Investment Management's OABI Position: Q1 2026 in Review

North Star Investment Management held its OmniAb (OABI) position steady in Q1 2026 at 550 shares worth $864. The position accounts for ﹤0.01% of the portfolio, ranked #1510.

North Star Investment Management first reported a position in OABI in Q1 2023 and has held it in 13 quarters since. The position peaked at $6.17K in Q4 2023. 128 funds tracked by Wall St. Rank hold OABI as of Q1 2026.

North Star Investment Management held 550 shares of OmniAb worth $864 as of Q1 2026.
North Star Investment Management left its OmniAb share count unchanged in Q1 2026.
OmniAb made up ﹤0.01% of North Star Investment Management's portfolio in Q1 2026, its #1510 holding.
North Star Investment Management first reported a position in OmniAb in Q1 2023 and has held it in 13 quarters since.
North Star Investment Management's OmniAb position peaked at $6.17K in Q4 2023.
128 funds tracked by Wall St. Rank held OmniAb as of Q1 2026.

Based on North Star Investment Management's 13F filing for Q1 2026, filed 23 Apr 2026.