NORTHERN TECHNOLOGIES INTL C

Institution	Prev Shares	Curr Shares	Change
Peapod Lane Capital LLC	86,634	142,621	+55,987 (+64.6%)
NEEDHAM INVESTMENT MANAGEMENT LLC	640,000	713,257	+73,257 (+11.4%)
UBS Group AG	1,969	24,713	+22,744 (+1155.1%)
RENAISSANCE TECHNOLOGIES LLC	109,877	126,377	+16,500 (+15.0%)
JANE STREET GROUP, LLC	15,832	27,302	+11,470 (+72.4%)
MORGAN STANLEY	10,579	11,452	+873 (+8.3%)
ROYAL BANK OF CANADA	8	587	+579 (+7237.5%)
ACADIAN ASSET MANAGEMENT LLC	57,644	64,187	+6,543 (+11.4%)

Decreased Positions (16)

Meros Investment Management, LP

Value ($000) $1,663 (-24.3%) Shares 212,373 (-25.5%)

PERRITT CAPITAL MANAGEMENT INC

Value ($000) $1,330 (+0.2%) Shares 169,831 (-1.3%)

CITADEL ADVISORS LLC

Value ($000) $186 (-59.1%) Shares 23,779 (-59.8%)

DIMENSIONAL FUND ADVISORS LP

Value ($000) $2,648 (-4.2%) Shares 338,147 (-5.7%)

BARCLAYS PLC

Value ($000) $22 (-88.0%) Shares 2,800 (-81.2%)

Squarepoint Ops LLC

Value ($000) $126 (-28.8%) Shares 16,129 (-29.9%)

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP

Value ($000) $463 (-8.5%) Shares 59,080 (-9.9%)

MILLENNIUM MANAGEMENT LLC

Value ($000) $396 (-7.7%) Shares 50,623 (-9.1%)

DIAMOND HILL CAPITAL MANAGEMENT INC

Value ($000) $559 (-3.0%) Shares 71,421 (-4.5%)

SUSQUEHANNA INTERNATIONAL GROUP, LLP

Value ($000) $84 (-22.9%) Shares 10,753 (-24.1%)

GEODE CAPITAL MANAGEMENT, LLC

Value ($000) $715 (+0.1%) Shares 91,324 (-1.4%)

BlackRock, Inc.

Value ($000) $307 (-0.6%) Shares 39,166 (-2.2%)

NORTHERN TRUST CORP

Value ($000) $90 (+0.5%) Shares 11,463 (-1.0%)

CITIGROUP INC

Value ($000) $0 (-99.0%) Shares 1 (-99.0%)

FMR LLC

Value ($000) $13 (-3.4%) Shares 1,644 (-4.9%)

CWM, LLC

Value ($000) $0 (0.0%) Shares 67 (-35.0%)

Institution	Prev Shares	Curr Shares	Change
Meros Investment Management, LP	284,941	212,373	-72,568 (-25.5%)
PERRITT CAPITAL MANAGEMENT INC	172,047	169,831	-2,216 (-1.3%)
CITADEL ADVISORS LLC	59,085	23,779	-35,306 (-59.8%)
DIMENSIONAL FUND ADVISORS LP	358,414	338,147	-20,267 (-5.7%)
BARCLAYS PLC	14,864	2,800	-12,064 (-81.2%)
Squarepoint Ops LLC	23,011	16,129	-6,882 (-29.9%)
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	65,581	59,080	-6,501 (-9.9%)
MILLENNIUM MANAGEMENT LLC	55,718	50,623	-5,095 (-9.1%)
DIAMOND HILL CAPITAL MANAGEMENT INC	74,810	71,421	-3,389 (-4.5%)
SUSQUEHANNA INTERNATIONAL GROUP, LLP	14,165	10,753	-3,412 (-24.1%)
GEODE CAPITAL MANAGEMENT, LLC	92,626	91,324	-1,302 (-1.4%)
BlackRock, Inc.	40,031	39,166	-865 (-2.2%)
NORTHERN TRUST CORP	11,580	11,463	-117 (-1.0%)
CITIGROUP INC	105	1	-104 (-99.0%)
FMR LLC	1,728	1,644	-84 (-4.9%)
CWM, LLC	103	67	-36 (-35.0%)

Exited Positions (7)

ESSEX INVESTMENT MANAGEMENT CO LLC

Value ($000) $78 Shares 10,059

Bank of New York Mellon Corp

Value ($000) $516 Shares 66,862

GOLDMAN SACHS GROUP INC

Value ($000) $89 Shares 11,544

SALEM INVESTMENT COUNSELORS INC

Value ($000) $29 Shares 3,708

Fortitude Family Office, LLC

Value ($000) $2 Shares 205

Advisory Services Network, LLC

Value ($000) $0 Shares 13

SRS Capital Advisors, Inc.

Value ($000) $0 Shares 2

Institution	Prev Shares	Prev Value ($000)
ESSEX INVESTMENT MANAGEMENT CO LLC	10,059	$78
Bank of New York Mellon Corp	66,862	$516
GOLDMAN SACHS GROUP INC	11,544	$89
SALEM INVESTMENT COUNSELORS INC	3,708	$29
Fortitude Family Office, LLC	205	$2
Advisory Services Network, LLC	13	$0
SRS Capital Advisors, Inc.	2	$0