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Rhythm Pharmaceuticals

Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$636M +$3.22M +34,677 +0.6%
RCM
2
RA Capital Management
Massachusetts
$574M +$11.1M +120,000 +2%
BBA
3
Baker Bros. Advisors
New York
$566M
Vanguard Group
4
Vanguard Group
Pennsylvania
$505M +$131M +1,407,313 +39%
Primecap Management
5
Primecap Management
California
$431M -$57.1M -615,178 -13%
NMC
6
NEA Management Company
Maryland
$294M
PA
7
Perceptive Advisors
New York
$288M +$1.92M +20,670 +0.9%
Fidelity Investments
8
Fidelity Investments
Massachusetts
$217M +$17.8M +191,742 +10%
State Street
9
State Street
Massachusetts
$205M +$11.2M +121,050 +6%
Goldman Sachs
10
Goldman Sachs
New York
$191M +$14.8M +159,941 +9%
Federated Hermes
11
Federated Hermes
Pennsylvania
$174M +$3.84M +41,391 +2%
T. Rowe Price Associates
12
T. Rowe Price Associates
Maryland
$141M +$5.43M +58,505 +4%
DCM
13
Driehaus Capital Management
Illinois
$140M +$10.6M +113,823 +9%
Geode Capital Management
14
Geode Capital Management
Massachusetts
$138M +$4.79M +51,576 +4%
PCH
15
Polar Capital Holdings
United Kingdom
$126M -$551K -5,938 -0.5%
JP Morgan Chase
16
JP Morgan Chase
New York
$120M +$37.6M +404,510 +52%
Janus Henderson Group
17
Janus Henderson Group
$117M -$23.3M -251,015 -18%
Westfield Capital Management
18
Westfield Capital Management
Massachusetts
$108M -$52M -560,464 -34%
Alkeon Capital Management
19
Alkeon Capital Management
New York
$103M
AllianceBernstein
20
AllianceBernstein
Tennessee
$98.9M +$85.2M +918,212 +1,494%
CC
21
Checkpoint Capital
California
$77.1M -$27.5M -296,293 -28%
RSCM
22
Rock Springs Capital Management
Maryland
$72.4M -$13.4M -144,051 -17%
Pictet Asset Management
23
Pictet Asset Management
Switzerland
$69M +$24.8M +266,902 +64%
Capital Research Global Investors
24
Capital Research Global Investors
California
$60.4M +$55.5M +598,247 New
WP
25
Woodline Partners
California
$58.6M +$6.11M +65,802 +13%