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Rhythm Pharmaceuticals

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 33 closing their positions.

New
Increased
Maintained
Reduced
Closed

more funds holding in top 10

Funds holding in top 10:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more capital invested

Capital invested by funds: $ → $

more ownership

Funds ownership:

3% more first-time investments, than exits

New positions opened: 34 | Existing positions closed: 33

0% more funds holding

Funds holding: 227227 (0)

62% less call options, than puts

Call options by funds: $13.8M | Put options by funds: $36.7M

Holders
227
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$13.8M
Puts
$36.7M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
CWM
151
CIBC World Markets
New York
$424K
Prudential Financial
152
Prudential Financial
New Jersey
$423K
SG Americas Securities
153
SG Americas Securities
New York
$391K
TRCT
154
Tower Research Capital (TRC)
New York
$386K
GCP
155
GSA Capital Partners
United Kingdom
$385K
EFM
156
E Fund Management
China
$364K
JRP
157
Jasper Ridge Partners
California
$356K
AWM
158
Avior Wealth Management
Nebraska
$356K
AIP
159
Ameritas Investment Partners
Nebraska
$350K
PNC Financial Services Group
160
PNC Financial Services Group
Pennsylvania
$350K
Public Employees Retirement Association of Colorado
161
Public Employees Retirement Association of Colorado
Colorado
$345K
GAM
162
Gotham Asset Management
New York
$307K
LPL Financial
163
LPL Financial
California
$304K
AC
164
AXQ Capital
New Jersey
$288K
Mackenzie Financial
165
Mackenzie Financial
Ontario, Canada
$279K
SC
166
Savant Capital
Illinois
$277K
CPIG
167
Chicago Partners Investment Group
Illinois
$274K
Mariner
168
Mariner
Kansas
$273K
Tudor Investment Corp
169
Tudor Investment Corp
Connecticut
$270K
X
170
Xponance
Pennsylvania
$270K
AIM
171
Aigen Investment Management
New York
$266K
ACM
172
Aquatic Capital Management
Illinois
$250K
JG
173
Jain Global
New York
$247K
Los Angeles Capital Management
174
Los Angeles Capital Management
California
$245K
JGGDR
175
JGP Global Gestao de Recursos
Brazil
$242K