PSYCHEMEDICS CORP (PMD) [Rocket]

Ownership

PSYCHEMEDICS CORP (PMD)

Portfolio as of:

Name	Shares	Change	Value	% Port	% OS	Hist	Date
VANGUARD GROUP INC	247,438	98	1,128,317,000	0.00	4.32	Hist	06/30/2023
CRAWFORD INVESTMENT COUNSEL INC	242,113	-14,236	1,104,034,000	0.02	4.23	Hist	06/30/2023
RBF Capital, LLC	144,231	0	657,693,000	0.04	2.52	Hist	06/30/2023
Ancora Advisors, LLC	78,373	7,457	357,380,000	0.01	1.37	Hist	06/30/2023
BlackRock Inc.	77,780	-399	354,676,000	0.00	1.36	Hist	06/30/2023
CANNELL CAPITAL LLC	74,794	0	341,061,000	0.07	1.31	Hist	06/30/2023
DIMENSIONAL FUND ADVISORS LP	56,155	-407	256,067,000	0.00	0.98	Hist	06/30/2023
WEALTH EFFECTS LLC	41,501	1,500	189,243,000	0.08	0.73	Hist	06/30/2023
GEODE CAPITAL MANAGEMENT, LLC	35,206	0	160,539,000	0.00	0.62	Hist	06/30/2023
NORTHERN TRUST CORP	18,617	490	84,894,000	0.00	0.33	Hist	06/30/2023
MORGAN STANLEY	16,542	4,686	75,432,000	0.00	0.29	Hist	06/30/2023
STATE STREET CORP	16,162	0	73,699,000	0.00	0.28	Hist	06/30/2023
ROYAL BANK OF CANADA	2,145	2,145	10,000,000	0.00	0.04	Hist	06/30/2023
Tower Research Capital LLC (TRC)	876	428	3,995,000	0.00	0.02	Hist	06/30/2023
RENAISSANCE TECHNOLOGIES LLC	277,963	-3,300	1,268,000	0.00	4.86	Hist	06/30/2023
FMR LLC	100	0	456,000	0.00	0.00	Hist	06/30/2023
UBS Group AG	47	-76	214,000	0.00	0.00	Hist	06/30/2023
WEDBUSH SECURITIES INC	34,157	4,739	156,000	0.01	0.60	Hist	06/30/2023
WELLS FARGO & COMPANY/MN	34	2	153,000	0.00	0.00	Hist	06/30/2023
PARAMETRIC PORTFOLIO ASSOCIATES LLC	17,270	4,237	119,000	0.00	0.31	Hist	03/31/2022
SANTA MONICA PARTNERS LP	20,000	0	91,000	0.07	0.35	Hist	06/30/2023
NEXT Financial Group, Inc	2,500	0	18,000	0.00	0.05	Hist	12/31/2021
North Star Investment Management Corp.	125	0	1,000	0.00	0.00	Hist	09/30/2022