RhumbLine Advisers’s OmniAb OABI Stock Holding History

RhumbLine Advisers’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	$423K	Buy	171,957 +12,722	+8%	+$25.3K	﹤0.01%	2867
2026 Q1	$250K	Sell	159,235 -3,538	-2%	-$6.38K	﹤0.01%	3011
2025 Q4	$301K	Buy	162,773 +1,837	+1%	+$3.19K	﹤0.01%	2963
2025 Q3	$257K	Buy	160,936 +208	+0.1%	+$380	﹤0.01%	3091
2025 Q2	$280K	Buy	160,728 +9,163	+6%	+$15.3K	﹤0.01%	3034
2025 Q1	$364K	Sell	151,565 -2,247	-1%	-$7.35K	﹤0.01%	2783
2024 Q4	$544K	Sell	153,812 -19,829	-11%	-$78.4K	﹤0.01%	2630
2024 Q3	$734K	Buy	173,641 +12,456	+8%	+$53.9K	﹤0.01%	2442
2024 Q2	$604K	Sell	161,185 -1,392	-0.9%	-$6.34K	﹤0.01%	2537
2024 Q1	$881K	Buy	162,577 +4,057	+3%	+$23.4K	﹤0.01%	2323
2023 Q4	$978K	Buy	158,520 +7,956	+5%	+$39.1K	﹤0.01%	2263
2023 Q3	$781K	Sell	150,564 -259	-0.2%	-$1.38K	﹤0.01%	2349
2023 Q2	$759K	Buy	150,823 +22,534	+18%	+$91.4K	﹤0.01%	2445
2023 Q1	$472K	Buy	128,289 +5,009	+4%	+$18.9K	﹤0.01%	2458
2022 Q4	$444K	Buy	+123,280	New	+$647K	﹤0.01%	2524

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 $3.38T AUM 44.17% 1-Year Est. Return

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

RhumbLine Advisers's OABI Position: Q2 2026 in Review

RhumbLine Advisers increased its OmniAb (OABI) stake by 8% in Q2 2026, buying an estimated $25.3K and bringing the position to 171,957 shares worth $423K. The position accounts for ﹤0.01% of the portfolio, ranked #2867.

RhumbLine Advisers first reported a position in OABI in Q4 2022 and has held it in 15 quarters since. The position peaked at $978K in Q4 2023. 131 funds tracked by Wall St. Rank hold OABI as of Q2 2026.

RhumbLine Advisers held 171,957 shares of OmniAb worth $423K as of Q2 2026.
RhumbLine Advisers bought 12,722 OmniAb shares in Q2 2026, an estimated $25.3K.
OmniAb made up ﹤0.01% of RhumbLine Advisers's portfolio in Q2 2026, its #2867 holding.
RhumbLine Advisers first reported a position in OmniAb in Q4 2022 and has held it in 15 quarters since.
RhumbLine Advisers's OmniAb position peaked at $978K in Q4 2023.
131 funds tracked by Wall St. Rank held OmniAb as of Q2 2026.

Based on RhumbLine Advisers's 13F filing for Q2 2026, filed 12 Aug 2026.