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Rhythm Pharmaceuticals
RYTM

Overview Fund Activity

227 hedge funds and large institutions have $4.2B invested in Rhythm Pharmaceuticals in 2025 Q2 according to their latest regulatory filings, with 34 funds opening new positions, 92 increasing their positions, 74 reducing their positions, and 34 closing their positions.

Holders
227
Holders Change
-1
Holders Change %
-0.44%
% of All Funds
3.05%
Holding in Top 10
10
Holding in Top 10 Change
+3
Holding in Top 10 Change %
+42.86%
% of All Funds
0.13%
New
34
Increased
92
Reduced
74
Closed
34
Calls
$13.8M
Puts
$36.7M
Net Calls
-$22.9M
Net Calls Change
-$40.9M

Top Buyers

1
PCH
1
Polar Capital Holdings
United Kingdom
$79M
2
JPMorgan Chase & Co
2
JPMorgan Chase & Co
New York
$49.5M
3
WP
3
Woodline Partners
California
$32.5M
4
Adage Capital Partners
4
Adage Capital Partners
Massachusetts
$21.5M
5
ClearBridge Investments
5
ClearBridge Investments
New York
$19.7M

Top Sellers

1
Primecap Management
1
Primecap Management
California
$308M
2
BlackRock
2
BlackRock
New York
$396M
3
FLSM
3
Frazier Life Sciences Management
California
$0
4
RCM
4
RA Capital Management
Massachusetts
$351M
5
Balyasny Asset Management
5
Balyasny Asset Management
Illinois
$3.42M
Name Market Value Shares Shares
Change 		Shares
Change %
Citigroup
101
Citigroup
New York
$2.17M 34,324 -51,882 -60%
AA
102
ALPS Advisors
Colorado
$2.16M 34,178 -12,029 -26%
SEI Investments
103
SEI Investments
Pennsylvania
$2.09M 33,145 +764 +2%
MIM
104
MetLife Investment Management
New Jersey
$2.05M 32,395 -19 -0.1%
Mirae Asset Global ETFs Holdings
105
Mirae Asset Global ETFs Holdings
Hong Kong
$2.04M 32,351 -2,931 -8%
State of New Jersey Common Pension Fund D
106
State of New Jersey Common Pension Fund D
New Jersey
$1.92M 30,373 -5,019 -14%
WCM
107
Wedge Capital Management
North Carolina
$1.9M 29,991 -6,993 -19%
HS
108
HighVista Strategies
Massachusetts
$1.77M 28,068 -6,971 -20%
IIM
109
INTECH Investment Management
Florida
$1.73M 27,443 -6,450 -19%
SC
110
SummitTX Capital
Texas
$1.61M 25,452 +8,109 +47%
RAM
111
Readystate Asset Management
Illinois
$1.56M 24,666 +24,666 New
D.E. Shaw & Co
112
D.E. Shaw & Co
New York
$1.53M 24,278 -59,591 -71%
Wellington Management Group
113
Wellington Management Group
Massachusetts
$1.42M 22,425 -1,133 -5%
BG
114
Bellevue Group
Switzerland
$1.32M 20,906 +5,356 +34%
Stifel Financial
115
Stifel Financial
Missouri
$1.15M 18,177 -310 -2%
EGM
116
Engineers Gate Manager
New York
$1.12M 17,676 -4,207 -19%
JF
117
Jump Financial
Illinois
$1.12M 17,671 -24,089 -58%
Ensign Peak Advisors
118
Ensign Peak Advisors
Utah
$1.12M 17,659 – –
Schroder Investment Management Group
119
Schroder Investment Management Group
United Kingdom
$1.11M 17,618 – –
CAPTRUST Financial Advisors
120
CAPTRUST Financial Advisors
North Carolina
$1.1M 17,471 +114 +0.7%
SO
121
STRS Ohio
Ohio
$1.1M 17,400 -1,100 -6%
Creative Planning
122
Creative Planning
Kansas
$1.09M 17,222 +4,889 +40%
Victory Capital Management
123
Victory Capital Management
Texas
$1.03M 16,241 -1,085 -6%
Handelsbanken Fonder
124
Handelsbanken Fonder
Sweden
$981K 15,521 -1,500 -9%
HIS
125
Harvest Investment Services
Illinois
$977K 15,466 +15,466 New
3 4
5
6 7