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Rhythm Pharmaceuticals

Name Holding Trade Value Shares
Change
Change in
Stake
Primecap Management
1
Primecap Management
California
$128M +$48.2M +1,663,102 +38%
NMC
2
NEA Management Company
Maryland
$104M
RCM
3
RA Capital Management
Massachusetts
$104M +$20.1M +692,000 +17%
Janus Henderson Group
4
Janus Henderson Group
$87M -$11.7M -403,742 -9%
BBA
5
Baker Bros. Advisors
New York
$74M +$33.8M +1,165,000 +50%
BlackRock
6
BlackRock
New York
$66.9M +$12M +414,254 +15%
Federated Hermes
7
Federated Hermes
Pennsylvania
$66.2M +$14.3M +493,253 +19%
State Street
8
State Street
Massachusetts
$51.9M +$33.7M +1,162,261 +91%
Vanguard Group
9
Vanguard Group
Pennsylvania
$47.9M +$10.6M +366,871 +19%
DM
10
Deerfield Management
New York
$42.3M -$21.2M -731,578 -27%
GGHC
11
Gilder Gagnon Howe & Co
New York
$32.4M +$33M +1,137,702 +295%
Wellington Management Group
12
Wellington Management Group
Massachusetts
$21.6M -$31.5M -1,085,925 -52%
MAM
13
MPM Asset Management
Massachusetts
$19.3M -$29M -1,000,000 -52%
Goldman Sachs
14
Goldman Sachs
New York
$14M +$17.6M +606,742 +1,158%
Geode Capital Management
15
Geode Capital Management
Massachusetts
$13.3M +$3.92M +135,115 +28%
CCM
16
CAAS Capital Management
New York
$13.1M +$17.9M +617,595 New
RSCM
17
Rock Springs Capital Management
Maryland
$12.7M +$3.16M +108,941 +22%
Northern Trust
18
Northern Trust
Illinois
$9.25M +$465K +16,038 +4%
Dimensional Fund Advisors
19
Dimensional Fund Advisors
Texas
$6.57M -$902K -31,084 -9%
Two Sigma Investments
20
Two Sigma Investments
New York
$6.27M +$7.86M +270,979 +1,144%
Charles Schwab
21
Charles Schwab
California
$5.37M +$1.26M +43,349 +21%
ACM
22
Altium Capital Management
New York
$4.74M +$6.47M +223,000 New
SB
23
Samsara BioCapital
California
$4.28M
Marshall Wace
24
Marshall Wace
United Kingdom
$3.8M +$4.63M +159,599 +833%
Millennium Management
25
Millennium Management
New York
$3.63M +$4.95M +170,527 New