OmniAb Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NasdaqGM:OABI Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
24 May 24	BuyUS$1,059,840	Matthew Foehr	Individual	240,000	US$4.42
22 Mar 24	BuyUS$1,167,750	Matthew Foehr	Individual	225,000	US$5.19
12 Dec 23	BuyUS$1,010,000	Matthew Foehr	Individual	200,000	US$5.05

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of OABI?
Owner Type	Number of Shares	Ownership Percentage
Individual Insiders	6,338,682	5.36%
VC/PE Firms	15,817,934	13.4%
General Public	32,425,026	27.4%
Institutions	63,581,049	53.8%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 62.92% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
13.4%	Avista Healthcare Partners	15,817,934	US$71.0m	0%	100.0%
6.66%	Janus Henderson Group plc	7,868,224	US$35.3m	0.11%	0.01%
5.96%	BlackRock, Inc.	7,036,923	US$31.6m	-0.5%	no data
3.88%	The Vanguard Group, Inc.	4,585,402	US$20.6m	-19.7%	no data
3.05%	Matthew Foehr	3,599,166	US$16.2m	24.6%	no data
2.95%	Macquarie Investment Management Business Trust	3,485,597	US$15.7m	0.33%	0.02%
2.68%	Chicago Capital, LLC	3,162,555	US$14.2m	-0.64%	0.38%
2.44%	Dimensional Fund Advisors LP	2,883,161	US$12.9m	-4.28%	no data
2.41%	Rubric Capital Management LP	2,850,588	US$12.8m	0%	0.19%
2.3%	Rice Hall James & Associates, LLC	2,722,321	US$12.2m	6.37%	0.63%
1.98%	Geode Capital Management, LLC	2,338,287	US$10.5m	5.15%	no data
1.9%	Private Management Group Inc	2,249,734	US$10.1m	-0.53%	0.35%
1.7%	John Higgins	2,009,455	US$9.0m	1.01%	no data
1.69%	State Street Global Advisors, Inc.	1,997,022	US$9.0m	-2.39%	no data
1.59%	First Sabrepoint Capital Management LP	1,875,000	US$8.4m	18.6%	3.16%
1.27%	St. Denis J. Villere & Co., LLC	1,499,315	US$6.7m	-27.1%	0.58%
1.15%	Orchard Capital Management, LLC	1,358,028	US$6.1m	-1.13%	1.58%
0.95%	Knott Partners Management, LLC	1,118,505	US$5.0m	1.36%	2.26%
0.87%	Millennium Management LLC	1,030,448	US$4.6m	-64.6%	no data
0.76%	Kornitzer Capital Management, Inc.	898,845	US$4.0m	-4.88%	0.07%
0.71%	Northern Trust Global Investments	841,785	US$3.8m	-3.31%	no data
0.68%	Kent Lake PR LLC	800,000	US$3.6m	167%	1.17%
0.67%	Woodstock Corporation	792,853	US$3.6m	5.64%	0.33%
0.65%	Charles Schwab Investment Management, Inc.	771,303	US$3.5m	0%	no data
0.64%	Impax Asset Management Group Plc	761,387	US$3.4m	0%	0.01%