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Rhythm Pharmaceuticals

Name Holding Trade Value Shares
Change
Change in
Stake
Primecap Management
1
Primecap Management
California
$370M -$6.78M -214,773 -3%
BBA
2
Baker Bros. Advisors
New York
$294M -$9.59M -303,984 -5%
BlackRock
3
BlackRock
New York
$292M +$4.79M +151,868 +2%
RCM
4
RA Capital Management
Massachusetts
$245M -$10.9M -345,655 -6%
Goldman Sachs
5
Goldman Sachs
New York
$232M -$3.55M -112,607 -2%
Vanguard Group
6
Vanguard Group
Pennsylvania
$148M +$6.7M +212,370 +7%
NMC
7
NEA Management Company
Maryland
$134M
FLSM
8
Frazier Life Sciences Management
California
$109M
Federated Hermes
9
Federated Hermes
Pennsylvania
$106M -$958K -30,380 -1%
State Street
10
State Street
Massachusetts
$101M -$5.04M -159,838 -7%
PA
11
Perceptive Advisors
New York
$99M +$55.9M +1,773,282 +466%
PCH
12
Polar Capital Holdings
United Kingdom
$80.4M -$23.7M -750,000 -30%
CC
13
Commodore Capital
New York
$71.3M -$16.6M -525,000 -25%
RSCM
14
Rock Springs Capital Management
Maryland
$70M -$2.34M -74,230 -5%
Pictet Asset Management
15
Pictet Asset Management
Switzerland
$53.5M +$36.7M +1,163,961 New
Geode Capital Management
16
Geode Capital Management
Massachusetts
$51.5M +$2.34M +74,072 +7%
CC
17
Checkpoint Capital
California
$33.6M +$23M +730,000 New
Janus Henderson Group
18
Janus Henderson Group
$28.6M -$14M -443,853 -42%
OM
19
Opaleye Management
Massachusetts
$28M -$1.36M -43,000 -7%
DCM
20
Driehaus Capital Management
Illinois
$27.5M +$10.2M +324,381 +118%
T. Rowe Price Associates
21
T. Rowe Price Associates
Maryland
$26.3M +$11.4M +361,945 +172%
CAM
22
Cormorant Asset Management
Massachusetts
$25.3M -$9.46M -300,000 -35%
O
23
OrbiMed
New York
$24.7M -$1.48M -47,000 -8%
Fidelity Investments
24
Fidelity Investments
Massachusetts
$24.3M -$10.7M -339,344 -39%
Northern Trust
25
Northern Trust
Illinois
$23M -$92.4K -2,928 -0.6%