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Rhythm Pharmaceuticals

Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$389M +$3.39M +61,457 +0.9%
Primecap Management
2
Primecap Management
California
$368M -$35.7M -645,721 -9%
RCM
3
RA Capital Management
Massachusetts
$341M
BBA
4
Baker Bros. Advisors
New York
$341M -$17.4M -314,117 -5%
PA
5
Perceptive Advisors
New York
$206M +$6.64M +120,259 +3%
Vanguard Group
6
Vanguard Group
Pennsylvania
$193M -$293K -5,311 -0.2%
NMC
7
NEA Management Company
Maryland
$163M
FLSM
8
Frazier Life Sciences Management
California
$105M -$30.2M -547,144 -23%
State Street
9
State Street
Massachusetts
$103M -$8.41M -152,296 -8%
Goldman Sachs
10
Goldman Sachs
New York
$101M -$114M -2,067,590 -53%
Federated Hermes
11
Federated Hermes
Pennsylvania
$86.7M -$6.31M -114,265 -7%
PCH
12
Polar Capital Holdings
United Kingdom
$84M
DCM
13
Driehaus Capital Management
Illinois
$72.3M -$470K -8,515 -0.7%
Geode Capital Management
14
Geode Capital Management
Massachusetts
$70.3M -$21.5K -389 -0%
Janus Henderson Group
15
Janus Henderson Group
$68.3M +$34.3M +621,432 +104%
Alkeon Capital Management
16
Alkeon Capital Management
New York
$65.4M
RSCM
17
Rock Springs Capital Management
Maryland
$65.1M -$3.61M -65,375 -5%
CC
18
Checkpoint Capital
California
$40.8M +$3.57M +64,601 +10%
Marshall Wace
19
Marshall Wace
United Kingdom
$38.8M +$15.8M +286,188 +70%
T. Rowe Price Associates
20
T. Rowe Price Associates
Maryland
$38.4M +$7.44M +134,622 +24%
HRCM
21
Hood River Capital Management
Florida
$36M +$1.61M +29,093 +5%
Loomis, Sayles & Company
22
Loomis, Sayles & Company
Massachusetts
$34.6M -$1M -18,143 -3%
Morgan Stanley
23
Morgan Stanley
New York
$31.4M +$5.27M +95,483 +21%
Northern Trust
24
Northern Trust
Illinois
$30.5M +$2.59M +46,848 +9%
OM
25
Opaleye Management
Massachusetts
$28M