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Rhythm Pharmaceuticals

Name Holding Trade Value Shares
Change
Change in
Stake
RCM
1
RA Capital Management
Massachusetts
$116M -$4.14M -212,224 -4%
NMC
2
NEA Management Company
Maryland
$110M
Janus Henderson Group
3
Janus Henderson Group
$98.4M +$1.78M +91,455 +2%
Primecap Management
4
Primecap Management
California
$79M +$42.9K +2,200 +0.1%
BlackRock
5
BlackRock
New York
$62.3M +$5.82M +298,715 +12%
BBA
6
Baker Bros. Advisors
New York
$60.2M -$159K -8,145 -0.3%
Wellington Management Group
7
Wellington Management Group
Massachusetts
$57.9M -$1.39M -71,305 -3%
DM
8
Deerfield Management
New York
$55.1M -$10.9M -561,552 -19%
Federated Hermes
9
Federated Hermes
Pennsylvania
$50.5M +$3.33K +171 +0%
Vanguard Group
10
Vanguard Group
Pennsylvania
$44M +$5.07M +260,210 +15%
MAM
11
MPM Asset Management
Massachusetts
$42.6M -$8.77M -450,205 -19%
State Street
12
State Street
Massachusetts
$25.3M +$3.1M +158,791 +16%
RSCM
13
Rock Springs Capital Management
Maryland
$11.4M +$236K +12,111 +2%
Geode Capital Management
14
Geode Capital Management
Massachusetts
$10.6M +$653K +33,493 +8%
Northern Trust
15
Northern Trust
Illinois
$10.3M +$1.43M +73,375 +19%
Dimensional Fund Advisors
16
Dimensional Fund Advisors
Texas
$7.19M +$1.05M +54,104 +20%
MWNA
17
Marshall Wace North America
New York
$6.72M +$5.88M +301,568 New
SB
18
Samsara BioCapital
California
$6.16M
Bank of America
19
Bank of America
North Carolina
$5.71M +$4.09M +209,649 +451%
Renaissance Technologies
20
Renaissance Technologies
New York
$5.26M +$2.75M +141,200 +149%
Norges Bank
21
Norges Bank
Norway
$5.13M
Fidelity Investments
22
Fidelity Investments
Massachusetts
$5.04M
Charles Schwab
23
Charles Schwab
California
$4.69M +$443K +22,703 +12%
MAM
24
Martingale Asset Management
Massachusetts
$3.68M +$1.81M +92,707 +128%
Bank of New York Mellon
25
Bank of New York Mellon
New York
$2.82M +$204K +10,476 +9%