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HDSN

Hudson Technologies
HDSN

Name Holding Trade Value Shares
Change 		Change in
Stake
MCM
1
Marathon Capital Management
Maryland
$5.18M +$5.93M +1,623,464 New
William Blair & Company
2
William Blair & Company
Illinois
$4.32M +$4.95M +1,354,893 New
PCM
3
Perritt Capital Management
Illinois
$3.62M +$4.14M +1,133,316 New
RA
4
Royce & Associates
New York
$3.38M +$3.87M +1,059,700 New
BA
5
Bard Associates
Illinois
$2.28M +$2.6M +713,400 New
CRC
6
Curi RMB Capital
Illinois
$1.62M +$1.85M +506,861 New
Vanguard Group
7
Vanguard Group
Pennsylvania
$1.39M +$1.59M +436,697 New
Royal Bank of Canada
8
Royal Bank of Canada
Ontario, Canada
$1.28M +$1.47M +401,808 New
NC
9
Northpointe Capital
Michigan
$1.25M +$1.43M +391,060 New
CCM
10
Cadence Capital Management
Massachusetts
$1.12M +$1.28M +350,774 New
COPPSERS
11
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$700K +$801K +219,300 New
Wells Fargo
12
Wells Fargo
California
$517K +$591K +162,000 New
VNA
13
VNBTrust National Association
Virginia
$463K +$529K +144,997 New
TAM
14
THB Asset Management
Connecticut
$428K +$490K +134,300 New
SC
15
Sophrosyne Capital
New York
$408K +$467K +127,974 New
SIC
16
Schwartz Investment Counsel
Michigan
$383K +$438K +120,000 New
AHC
17
Anderson Hoagland & Co
Missouri
$335K +$383K +105,000 New
California Public Employees Retirement System
18
California Public Employees Retirement System
California
$333K +$382K +104,500 New
VanEck Associates
19
VanEck Associates
New York
$326K +$374K +102,332 New
Bank of America
20
Bank of America
North Carolina
$319K +$365K +100,000 New
Renaissance Technologies
21
Renaissance Technologies
New York
$288K +$330K +90,400 New
TA
22
Teton Advisors
New York
$243K +$278K +76,100 New
SAM
23
Steinberg Asset Management
New York
$235K +$269K +73,582 New
RFC
24
Russell Frank Company
Washington
$233K +$267K +73,100 New
Dimensional Fund Advisors
25
Dimensional Fund Advisors
Texas
$154K +$176K +48,199 New
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