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HDSN

Hudson Technologies

Name Holding Trade Value Shares
Change
Change in
Stake
William Blair Investment Management
1
William Blair Investment Management
Illinois
$8.91M +$9.44M +3,000,198 New
HA
2
Heartland Advisors
Wisconsin
$7.42M
NRCM
3
Northern Right Capital Management
Connecticut
$6.15M -$599K -190,272 -8%
PCM
4
Perritt Capital Management
Illinois
$5M +$5.03K +1,600 +0.1%
MCM
5
Marathon Capital Management
Maryland
$4.56M -$110K -35,100 -2%
RA
6
Royce & Associates
New York
$3.89M +$1.74M +553,300 +73%
GIM
7
Granahan Investment Management
Massachusetts
$2.48M +$31.8K +10,107 +1%
Vanguard Group
8
Vanguard Group
Pennsylvania
$2.19M +$66.3K +21,080 +3%
Royal Bank of Canada
9
Royal Bank of Canada
Ontario, Canada
$2.02M -$485K -154,071 -18%
CRC
10
Curi RMB Capital
Illinois
$1.96M +$393K +124,883 +23%
BA
11
Bard Associates
Illinois
$1.9M -$42.1K -13,400 -2%
Dimensional Fund Advisors
12
Dimensional Fund Advisors
Texas
$1.31M +$1.25M +398,647 +921%
VNA
13
VNBTrust National Association
Virginia
$1.23M +$475K +151,020 +57%
Wells Fargo
14
Wells Fargo
California
$1.21M +$227K +72,208 +22%
RFC
15
Russell Frank Company
Washington
$978K +$344K +109,497 +50%
WA
16
Wasatch Advisors
Utah
$906K -$78.6K -25,000 -8%
EIM
17
Essex Investment Management
Massachusetts
$651K +$20.8K +6,612 +3%
Geode Capital Management
18
Geode Capital Management
Massachusetts
$374K +$10.7K +3,405 +3%
TA
19
Teton Advisors
New York
$320K
William Blair & Company
20
William Blair & Company
Illinois
$319K -$9.75M -3,100,859 -97%
California Public Employees Retirement System
21
California Public Employees Retirement System
California
$310K
BFA
22
BlackRock Fund Advisors
California
$198K -$5.53K -1,758 -3%
MPAM
23
Monarch Partners Asset Management
Massachusetts
$159K +$38.1K +12,100 +29%
USAA
24
United Services Automobile Association
Texas
$136K +$3.15K +1,000 +2%
TDC
25
Thompson Davis & Co
Virginia
$130K -$135K -43,064 -50%