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Quanterix

Name Holding Trade Value Shares
Change
Change in
Stake
Ameriprise
1
Ameriprise
Minnesota
$34.1M +$20.5M +1,688,680 +111%
BlackRock
2
BlackRock
New York
$33.6M -$568K -46,695 -1%
PCM
3
Portolan Capital Management
Massachusetts
$27.5M +$817K +67,138 +3%
AllianceBernstein
4
AllianceBernstein
Tennessee
$25.9M -$10M -825,798 -25%
Vanguard Group
5
Vanguard Group
Pennsylvania
$23.6M +$236K +19,386 +0.9%
Millennium Management
6
Millennium Management
New York
$23.2M +$1.5M +122,969 +6%
William Blair Investment Management
7
William Blair Investment Management
Illinois
$11.3M +$12.9M +1,062,105 New
EIP
8
Easterly Investment Partners
Massachusetts
$10.2M +$959K +78,862 +9%
UBS Group
9
UBS Group
Switzerland
$9.93M +$11.1M +913,386 +4,316%
KLP
10
Kent Lake PR
Puerto Rico
$9.57M +$2.78M +228,500 +34%
Dimensional Fund Advisors
11
Dimensional Fund Advisors
Texas
$9.5M +$74.2K +6,099 +0.7%
State Street
12
State Street
Massachusetts
$9.25M +$412K +33,862 +4%
Geode Capital Management
13
Geode Capital Management
Massachusetts
$9.18M +$58.8K +4,836 +0.6%
PC
14
Pier Capital
Connecticut
$7.22M +$2.04M +167,882 +33%
Baillie Gifford & Co
15
Baillie Gifford & Co
United Kingdom
$6.69M -$39K -3,204 -0.5%
EAM
16
Eventide Asset Management
Massachusetts
$6.54M +$7.48M +615,000 New
TM
17
Tikvah Management
North Carolina
$6.08M
ACM
18
Ashford Capital Management
Delaware
$5.79M -$2.31M -189,585 -26%
Nuveen
19
Nuveen
North Carolina
$5.73M -$829K -68,152 -11%
GIM
20
Granahan Investment Management
Massachusetts
$5.7M -$6.89M -566,214 -51%
UBS AM
21
UBS AM
Illinois
$5.54M +$123K +10,111 +2%
WJWM
22
Williams Jones Wealth Management
New York
$5.01M +$1.64M +134,470 +40%
Russell Investments Group
23
Russell Investments Group
United Kingdom
$4.27M +$807K +66,315 +20%
Northern Trust
24
Northern Trust
Illinois
$3.89M +$236K +19,416 +6%
Envestnet Asset Management
25
Envestnet Asset Management
Illinois
$3.64M +$763K +62,757 +22%