BLAIR WILLIAM & CO/IL

Position in OABI — OmniAb, Inc.

CIK 902367 CHICAGO, IL

Position in OABI

as of Jun 30, 2026 · filed Aug 11, 2026 Compact

Position Value

$106,749

+$38,900 QoQ

Shares Held

43,394

+0.4% QoQ

Ownership

0.030%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#56

of 141 holders

Holding Since

Dec 2022

15 quarters on record

Voting authority Sole 75% Shared 0% None 25%

Healthcare · as of Jun 30, 2026

BLAIR WILLIAM & CO/IL holds $157,670,224 across 60 Biotechnology names. OABI ranks #47 (0.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	TECH	BIO-TECHNE Corp	513,573	$36,283,932
2	ARGX	Argenx SE	27,666	$25,667,684
3	VKTX	Viking Therapeutics, Inc.	416,766	$16,258,041
4	EXEL	Exelixis, Inc.	243,215	$13,233,328
5	VRTX	Vertex Pharmaceuticals Inc / Ma	18,400	$9,139,832
6	SLDB	Solid Biosciences Inc.	756,277	$7,555,207
7	AXSM	Axsome Therapeutics, Inc.	23,450	$5,739,856
8	NGNE	Neurogene Inc.	146,905	$4,620,162

15 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$106,749	43,394	+0.4%	Shares	Sole	2026-08-11
2026-03-31	$67,849	43,216	+0.0%	Shares	Sole	2026-05-08
2025-12-31	$79,940	43,211	-4.3%	Shares	Sole	2026-02-17
2025-09-30	$72,273	45,171	0.0%	Shares	Sole	2025-11-12
2025-06-30	$78,597	45,171	0.0%	Shares	Sole	2025-07-24
2025-03-31	$108,410	45,171	0.0%	Shares	Sole	2025-05-09
2024-12-31	$159,905	45,171	-4.2%	Shares	Sole	2025-02-12
2024-09-30	$199,364	47,131	-0.5%	Shares	Sole	2024-11-12
2024-06-30	$177,566	47,351	-0.1%	Shares	Sole	2024-08-12
2024-03-31	$256,908	47,400	-4.0%	Shares	Sole	2024-05-09
2023-12-31	$304,551	49,360	-0.6%	Shares	Sole	2024-02-12
2023-09-30	$257,626	49,639	0.0%	Shares	Sole	2023-11-09
2023-06-30	$249,684	49,639	-0.9%	Shares	Sole	2023-08-11
2023-03-31	$184,386	50,105	-0.0%	Shares	Sole	2023-05-12
2022-12-31	$180,464	50,129	—	Shares	Sole	2023-02-10
No filing history on record for this holder in this stock.