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Rhythm Pharmaceuticals

Name Holding Trade Value Shares
Change
Change in
Stake
RCM
1
RA Capital Management
Massachusetts
$82.5M
NMC
2
NEA Management Company
Maryland
$74.8M
Janus Henderson Group
3
Janus Henderson Group
$65.7M +$247K +13,785 +0.3%
Primecap Management
4
Primecap Management
California
$53.9M +$25.9M +1,448,900 +69%
DM
5
Deerfield Management
New York
$46.1M -$22.5M -1,257,726 -29%
BBA
6
Baker Bros. Advisors
New York
$41.2M
Wellington Management Group
7
Wellington Management Group
Massachusetts
$40.6M -$11.7M -652,523 -20%
BlackRock
8
BlackRock
New York
$38M -$1.03M -57,640 -2%
MAM
9
MPM Asset Management
Massachusetts
$35.9M -$609K -34,034 -1%
Federated Hermes
10
Federated Hermes
Pennsylvania
$34.5M +$1.93M +107,881 +5%
Vanguard Group
11
Vanguard Group
Pennsylvania
$26M +$561K +31,340 +2%
State Street
12
State Street
Massachusetts
$14.9M +$809K +45,181 +5%
RSCM
13
Rock Springs Capital Management
Maryland
$7.61M +$2.78M +155,000 +45%
Geode Capital Management
14
Geode Capital Management
Massachusetts
$6.75M +$813K +45,382 +11%
Northern Trust
15
Northern Trust
Illinois
$5.88M +$411K +22,952 +6%
SB
16
Samsara BioCapital
California
$4.21M +$4.95M +276,289 New
Dimensional Fund Advisors
17
Dimensional Fund Advisors
Texas
$4.09M -$71.9K -4,015 -1%
Norges Bank
18
Norges Bank
Norway
$3.5M
Fidelity Investments
19
Fidelity Investments
Massachusetts
$3.44M -$14.3M -799,712 -78%
Charles Schwab
20
Charles Schwab
California
$2.85M +$70K +3,909 +2%
PA
21
Perceptive Advisors
New York
$2.6M
Aviva
22
Aviva
United Kingdom
$2.02M +$2.37M +132,382 New
Bank of New York Mellon
23
Bank of New York Mellon
New York
$1.76M +$105K +5,890 +5%
Nuveen
24
Nuveen
North Carolina
$1.62M +$123K +6,855 +7%
JP Morgan Chase
25
JP Morgan Chase
New York
$1.58M -$302K -16,867 -14%