RYTM icon

Rhythm Pharmaceuticals

227 hedge funds and large institutions have $3.42B invested in Rhythm Pharmaceuticals in 2025 Q1 according to their latest regulatory filings, with 45 funds opening new positions, 85 increasing their positions, 69 reducing their positions, and 20 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more first-time investments, than exits

New positions opened: | Existing positions closed:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more funds holding

Funds holding:

3.45% less ownership

Funds ownership: 105.63%102.18% (-3.5%)

6% less capital invested

Capital invested by funds: $3.63B → $3.42B (-$209M)

36% less funds holding in top 10

Funds holding in top 10: 117 (-4)

Holders
227
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
7
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$21.5M
Puts
$3.46M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
HS
101
HighVista Strategies
Massachusetts
$1.86M
IIM
102
INTECH Investment Management
Florida
$1.8M
SC
103
Stempoint Capital
New York
$1.79M
State of Wisconsin Investment Board
104
State of Wisconsin Investment Board
Wisconsin
$1.75M
MIM
105
MetLife Investment Management
New Jersey
$1.72M
SEI Investments
106
SEI Investments
Pennsylvania
$1.72M
XT
107
XTX Topco
Cayman Islands
$1.59M
Tudor Investment Corp
108
Tudor Investment Corp
Connecticut
$1.56M
CF
109
Corebridge Financial
Texas
$1.42M
DFCM
110
Dark Forest Capital Management
Puerto Rico
$1.35M
Squarepoint
111
Squarepoint
New York
$1.29M
Wellington Management Group
112
Wellington Management Group
Massachusetts
$1.25M
Assenagon Asset Management
113
Assenagon Asset Management
Luxembourg
$1.18M
EGM
114
Engineers Gate Manager
New York
$1.16M
SG Americas Securities
115
SG Americas Securities
New York
$1.04M
FRM
116
Fox Run Management
Connecticut
$1.02M
SO
117
STRS Ohio
Ohio
$980K
Stifel Financial
118
Stifel Financial
Missouri
$979K
Schroder Investment Management Group
119
Schroder Investment Management Group
United Kingdom
$965K
Ensign Peak Advisors
120
Ensign Peak Advisors
Utah
$935K
CAPTRUST Financial Advisors
121
CAPTRUST Financial Advisors
North Carolina
$919K
SC
122
SummitTX Capital
Texas
$919K
Victory Capital Management
123
Victory Capital Management
Texas
$918K
JFG
124
Jefferies Financial Group
New York
$906K
QCM
125
Quantinno Capital Management
New York
$905K