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Rhythm Pharmaceuticals

Name Holding Trade Value Shares
Change
Change in
Stake
Primecap Management
1
Primecap Management
California
$378M -$4.58M -95,480 -1%
BlackRock
2
BlackRock
New York
$361M +$7.06M +147,335 +2%
BBA
3
Baker Bros. Advisors
New York
$335M +$48 +1 +0%
RCM
4
RA Capital Management
Massachusetts
$319M
Goldman Sachs
5
Goldman Sachs
New York
$203M -$67.5M -1,408,839 -27%
PA
6
Perceptive Advisors
New York
$187M +$5.44M +113,635 +3%
Vanguard Group
7
Vanguard Group
Pennsylvania
$181M +$4.18M +87,216 +3%
NMC
8
NEA Management Company
Maryland
$152M
FLSM
9
Frazier Life Sciences Management
California
$127M +$2.19M +45,648 +2%
State Street
10
State Street
Massachusetts
$104M -$513K -10,716 -0.5%
Federated Hermes
11
Federated Hermes
Pennsylvania
$87.2M +$149K +3,116 +0.2%
PCH
12
Polar Capital Holdings
United Kingdom
$78.6M
DCM
13
Driehaus Capital Management
Illinois
$68.1M +$5.61M +117,120 +10%
Geode Capital Management
14
Geode Capital Management
Massachusetts
$65.8M +$168K +3,499 +0.3%
RSCM
15
Rock Springs Capital Management
Maryland
$64.3M -$2.51M -52,400 -4%
Alkeon Capital Management
16
Alkeon Capital Management
New York
$61.2M +$8.04M +167,700 +17%
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
17
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$58.2M +$6.89M +143,800 +15%
CC
18
Checkpoint Capital
California
$34.8M -$12.4M -258,719 -28%
CC
19
Commodore Capital
New York
$34.1M -$27.6M -575,000 -47%
Loomis, Sayles & Company
20
Loomis, Sayles & Company
Massachusetts
$33.4M +$30.5M +636,628 New
HRCM
21
Hood River Capital Management
Florida
$32.2M +$29.4M +614,598 New
Janus Henderson Group
22
Janus Henderson Group
$31.3M +$215K +4,480 +0.8%
T. Rowe Price Associates
23
T. Rowe Price Associates
Maryland
$28.8M +$1.18M +24,588 +5%
OM
24
Opaleye Management
Massachusetts
$26.2M -$719K -15,000 -3%
Northern Trust
25
Northern Trust
Illinois
$26.1M -$47.1K -982 -0.2%