AllianceBernstein’s OmniAb OABI Stock Holding History

AllianceBernstein’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	$245K	Buy	155,992 +5,400	+4%	+$10.7K	﹤0.01%	3075
2026 Q1	$279K	Hold	150,592	–	–	﹤0.01%	2914
2025 Q4	$279K	Hold	150,592	–	–	﹤0.01%	2944
2025 Q3	$241K	Hold	150,592	–	–	﹤0.01%	3019
2025 Q2	$262K	Buy	150,592 +31,200	+26%	+$52.2K	﹤0.01%	2978
2025 Q1	$287K	Sell	119,392 -1,323	-1%	-$4.33K	﹤0.01%	2791
2024 Q4	$427K	Hold	120,715	–	–	﹤0.01%	2707
2024 Q3	$511K	Hold	120,715	–	–	﹤0.01%	2654
2024 Q2	$453K	Buy	120,715 +7,030	+6%	+$32K	﹤0.01%	2723
2024 Q1	$616K	Hold	113,685	–	–	﹤0.01%	2488
2023 Q4	$701K	Hold	113,685	–	–	﹤0.01%	2442
2023 Q3	$590K	Hold	113,685	–	–	﹤0.01%	2494
2023 Q2	$572K	Buy	113,685 +5,820	+5%	+$23.6K	﹤0.01%	2563
2023 Q1	$397K	Buy	107,865 +6,700	+7%	+$25.3K	﹤0.01%	2664
2022 Q4	$364K	Buy	+101,165	New	+$531K	﹤0.01%	2791

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

AllianceBernstein's OABI Position: Q2 2026 in Review

AllianceBernstein increased its OmniAb (OABI) stake by 3.6% in Q2 2026, buying an estimated $10.7K and bringing the position to 155,992 shares worth $245K. The position accounts for ﹤0.01% of the portfolio, ranked #3075.

AllianceBernstein first reported a position in OABI in Q4 2022 and has held it in 15 quarters since. The position peaked at $701K in Q4 2023. 132 funds tracked by Wall St. Rank hold OABI as of Q2 2026.

AllianceBernstein held 155,992 shares of OmniAb worth $245K as of Q2 2026.
AllianceBernstein bought 5,400 OmniAb shares in Q2 2026, an estimated $10.7K.
OmniAb made up ﹤0.01% of AllianceBernstein's portfolio in Q2 2026, its #3075 holding.
AllianceBernstein first reported a position in OmniAb in Q4 2022 and has held it in 15 quarters since.
AllianceBernstein's OmniAb position peaked at $701K in Q4 2023.
132 funds tracked by Wall St. Rank held OmniAb as of Q2 2026.

Based on AllianceBernstein's 13F filing for Q2 2026, filed 14 Aug 2026.