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Aclaris Therapeutics
ACRS

Name Holding Trade Value Shares
Change 		Change in
Stake
VA
1
VR Adviser
New York
$93.8M +$34.5M +1,765,650 +90%
RSCM
2
Rock Springs Capital Management
Maryland
$89.9M +$17.5M +893,092 +33%
FCMI
3
Foresite Capital Management IV
California
$85.7M +$47.9M +2,447,650 +257%
Adage Capital Partners
4
Adage Capital Partners
Massachusetts
$80.6M +$18.6M +950,000 +42%
Renaissance Technologies
5
Renaissance Technologies
New York
$75.3M -$5.51M -281,700 -9%
Vanguard Group
6
Vanguard Group
Pennsylvania
$53.4M +$12.3M +630,711 +42%
CAM
7
Cormorant Asset Management
Massachusetts
$50.4M +$39.1M +2,000,000 New
FCMI
8
Foresite Capital Management III
California
$49.3M +$6.54M +334,660 +21%
PHP
9
Parkman Healthcare Partners
Connecticut
$43.1M -$3.25M -166,200 -9%
VC
10
Vivo Capital
California
$41.5M – – –
Fidelity Investments
11
Fidelity Investments
Massachusetts
$37.8M +$25.3M +1,294,990 +629%
Citadel Advisors
12
Citadel Advisors
Florida
$33.4M +$25.1M +1,286,007 +3,111%
FCMV
13
Foresite Capital Management V
California
$31.7M +$24.6M +1,258,243 New
CC
14
Commodore Capital
New York
$25.9M -$6.03M -308,191 -23%
SB
15
Samsara BioCapital
California
$25.8M -$6.65M -340,000 -25%
BlackRock
16
BlackRock
New York
$24.8M +$229K +11,706 +1%
Invesco
17
Invesco
Georgia
$22.9M +$15.9M +813,562 +870%
Wellington Management Group
18
Wellington Management Group
Massachusetts
$20.9M +$16.3M +831,329 New
FM
19
Frazier Management
Washington
$17.5M +$13.6M +696,000 New
PA
20
Perceptive Advisors
New York
$16.4M +$12.7M +650,000 New
ACM
21
Aisling Capital Management
New York
$16M – – –
GTC
22
Ghost Tree Capital
New York
$15.1M -$978K -50,000 -8%
Holocene Advisors
23
Holocene Advisors
New York
$13.3M +$10.3M +525,863 New
ECM
24
Endurant Capital Management
California
$11.5M -$13.1M -671,290 -60%
Susquehanna International Group
25
Susquehanna International Group
Pennsylvania
$11.3M +$6.59M +337,086 +305%
1
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