Shareholder Breakdown

	Holders	Values ($)	% O/S	Shares
Institution	42	5,696,180.00	5.01	2,324,970
Mutual Fund	66	2,872,691.00	2.53	1,172,526

Institutional Shareholder Rotation

	Holders	Values Change ($)	% O/S	Shares Change
Buyers	21	703,815.00	3.16	287,272
Sellers	8	-45,411.00	1.02	-18,535
Net	--	658,404.00	2.14	268,737

Institutional Shareholder Concentration

	Values ($)	% O/S	Shares
Top 10 Inst.	4,503,299	3.96	1,838,081
Top 20 Inst.	5,316,879.00	4.68	2,170,154
Top 50 Inst.	5,696,180.00	5.01	2,324,970
Total Inst.	5,696,180.00	5.01	2,324,970

Institutional Shareholder Style

	Holders	Values ($)	% O/S	Shares
Growth	26	1,917,194	33.66	782,527
GARP	7	471,793	8.28	192,569
Index	4	2,855,165	50.12	1,165,373
Aggressive Growth	2	110,373	1.94	45,050
Yield	2	311,248	5.46	127,040
Value	1	30,407	0.53	12,411

Top Holders: Institutional Investor

	Shares Held	% O/S	Shares Change	Filing Date
The Vanguard Group, Inc.	541,499	1.17	85,085	03/31/2013
BlackRock Fund Advisors	438,235	0.95	31,931	03/31/2013
Northern Trust Investments, Inc.	234,780	0.51	-3,936	03/31/2013
SSgA Funds Management, Inc.	146,588	0.32	-4,200	03/31/2013
AllianceBernstein LP	120,568	0.26	100	03/31/2013
Osborn Rohs Williams LLC	93,261	0.20	0	03/31/2013
Commerce Bank (Kansas City)	84,447	0.18	0	03/31/2013
PanAgora Asset Management, Inc.	66,874	0.14	66,874	03/31/2013
Charles Schwab Investment Management, Inc.	64,700	0.14	16,400	03/31/2013
The California Public Employees Retirement System	47,129	0.10	0	03/31/2013
Cortland Associates, Inc. (Missouri)	44,050	0.10	0	03/31/2013
Goldman Sachs & Co.	42,829	0.09	42,829	03/31/2013
Mariner Wealth Advisors LLC	42,593	0.09	-1,000	03/31/2013
Geode Capital Management LLC	39,051	0.08	107	03/31/2013
TIAA-CREF Asset Management LLC	32,090	0.07	0	03/31/2013
Morgan Stanley Smith Barney LLC (Securities)	31,989	0.07	200	03/31/2013
Hodges Capital Management, Inc.	28,950	0.06	0	03/31/2013
BlackRock Investment Management LLC	28,302	0.06	885	03/31/2013

Ownership data is provided by FactSet, a third party service, and Acura Pharmaceuticals, Inc. does not maintain or provide information directly to this service.