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	5.24%
VC/PE Firms	15,817,934	13.1%
General Public	32,322,418	26.7%
Institutions	66,533,549	55%

Dilution of Shares: Shareholders have been diluted in the past year, with total shares outstanding growing by 4.1%.

Top Shareholders

Top 25 shareholders own 63.27% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
13.1%	Avista Healthcare Partners	15,817,934	US$62.0m	0%	100.0%
6.5%	Janus Henderson Group plc	7,871,328	US$30.9m	0.04%	0.01%
5.97%	BlackRock, Inc.	7,223,549	US$28.3m	2.65%	no data
4.29%	The Vanguard Group, Inc.	5,191,685	US$20.4m	13.2%	no data
3.57%	Macquarie Investment Management Business Trust	4,323,100	US$16.9m	24%	0.02%
2.97%	Matthew Foehr	3,599,166	US$14.1m	0%	no data
2.61%	Chicago Capital, LLC	3,162,555	US$12.4m	-0.64%	0.32%
2.38%	Dimensional Fund Advisors LP	2,883,161	US$11.3m	-4.28%	no data
2.36%	Rubric Capital Management LP	2,850,588	US$11.2m	0%	0.16%
2.25%	Rice Hall James & Associates, LLC	2,722,321	US$10.7m	6.37%	0.55%
1.92%	Geode Capital Management, LLC	2,325,381	US$9.1m	-0.55%	no data
1.86%	Private Management Group Inc	2,249,734	US$8.8m	-0.53%	0.3%
1.68%	State Street Global Advisors, Inc.	2,031,676	US$8.0m	1.74%	no data
1.66%	John Higgins	2,009,455	US$7.9m	0%	no data
1.38%	First Sabrepoint Capital Management LP	1,665,000	US$6.5m	-11.2%	2.34%
1.24%	St. Denis J. Villere & Co., LLC	1,499,315	US$5.9m	-27.1%	0.5%
1.11%	ADAR1 Capital Management, LLC	1,337,302	US$5.2m	87.7%	0.92%
1%	Orchard Capital Management, LLC	1,213,349	US$4.8m	-10.7%	1.52%
0.95%	Knott Partners Management, LLC	1,148,505	US$4.5m	2.68%	1.53%
0.93%	Kent Lake PR LLC	1,125,000	US$4.4m	40.6%	1.35%
0.83%	Murchinson Ltd.	1,000,000	US$3.9m	0%	1.9%
0.74%	Kornitzer Capital Management, Inc.	898,845	US$3.5m	-4.88%	0.06%
0.69%	Northern Trust Global Investments	837,286	US$3.3m	-0.53%	no data
0.66%	Woodstock Corporation	792,853	US$3.1m	5.64%	0.29%
0.65%	Charles Schwab Investment Management, Inc.	787,522	US$3.1m	2.1%	no data