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Rhythm Pharmaceuticals

Name Holding Trade Value Shares
Change
Change in
Stake
RCM
1
RA Capital Management
Massachusetts
$124M +$44.4M +2,000,000 +58%
NMC
2
NEA Management Company
Maryland
$113M
Janus Henderson Group
3
Janus Henderson Group
$98.8M +$20M +898,500 +26%
DM
4
Deerfield Management
New York
$98.5M +$37.8M +1,700,000 +66%
Wellington Management Group
5
Wellington Management Group
Massachusetts
$76.2M +$49M +2,206,404 +198%
BBA
6
Baker Bros. Advisors
New York
$62.2M
BlackRock
7
BlackRock
New York
$58.7M +$13.7M +615,615 +32%
MAM
8
MPM Asset Management
Massachusetts
$55M -$15.1M -681,396 -22%
Federated Hermes
9
Federated Hermes
Pennsylvania
$49.5M +$15.4M +692,619 +47%
Primecap Management
10
Primecap Management
California
$48.1M +$41M +1,846,714 +748%
Vanguard Group
11
Vanguard Group
Pennsylvania
$38.6M +$8.89M +400,194 +31%
Fidelity Investments
12
Fidelity Investments
Massachusetts
$23.6M -$767K -34,529 -3%
State Street
13
State Street
Massachusetts
$21.4M +$4.78M +214,980 +30%
T. Rowe Price Associates
14
T. Rowe Price Associates
Maryland
$19.2M -$430K -19,339 -2%
Geode Capital Management
15
Geode Capital Management
Massachusetts
$9.13M +$1.79M +80,602 +25%
Northern Trust
16
Northern Trust
Illinois
$8.34M +$1.56M +70,310 +24%
RSCM
17
Rock Springs Capital Management
Maryland
$7.92M +$889K +40,000 +13%
Dimensional Fund Advisors
18
Dimensional Fund Advisors
Texas
$6.26M +$290K +13,032 +5%
Norges Bank
19
Norges Bank
Norway
$5.29M +$5.11M +230,195 New
Charles Schwab
20
Charles Schwab
California
$4.21M +$1.16M +52,296 +40%
PA
21
Perceptive Advisors
New York
$3.92M +$3.8M +170,859 New
Barclays
22
Barclays
United Kingdom
$2.94M +$2.53M +113,881 +815%
JP Morgan Chase
23
JP Morgan Chase
New York
$2.78M -$126K -5,661 -4%
OM
24
Opaleye Management
Massachusetts
$2.54M +$2.45M +110,500 New
Bank of New York Mellon
25
Bank of New York Mellon
New York
$2.52M +$544K +24,510 +29%