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Rhythm Pharmaceuticals

284 hedge funds and large institutions have $6.42B invested in Rhythm Pharmaceuticals in 2026 Q1 according to their latest regulatory filings, with 64 funds opening new positions, 101 increasing their positions, 88 reducing their positions, and 51 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:

0% more funds holding in top 10

Funds holding in top 10: 1010 (0)

1.43% less ownership

Funds ownership: 109.17%107.74% (-1.4%)

18% less capital invested

Capital invested by funds: $7.8B → $6.42B (-$1.38B)

Holders
284
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
$16.4M
Puts
$1.87M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
Aberdeen Group
76
Aberdeen Group
United Kingdom
$6.9M
GIM
77
Granahan Investment Management
Massachusetts
$6.76M
Neuberger Berman Group
78
Neuberger Berman Group
New York
$6.39M
WCM Investment Management
79
WCM Investment Management
California
$6.23M
RhumbLine Advisers
80
RhumbLine Advisers
Massachusetts
$6.08M
KCM
81
Kennedy Capital Management
Missouri
$5.72M
California State Teachers Retirement System (CalSTRS)
82
California State Teachers Retirement System (CalSTRS)
California
$5.72M
Universal-Beteiligungs- und Servicegesellschaft
83
Universal-Beteiligungs- und Servicegesellschaft
Germany
$5.47M
BOCH
84
Blue Owl Capital Holdings
New York
$5.34M
XT
85
XTX Topco
Cayman Islands
$5.17M
AQR Capital Management
86
AQR Capital Management
Connecticut
$5.16M
AG
87
Algert Global
California
$5.09M
AI
88
Atom Investors
Texas
$4.96M
Balyasny Asset Management
89
Balyasny Asset Management
Illinois
$4.61M
CM
90
Castleark Management
Illinois
$4.55M
Susquehanna International Group
91
Susquehanna International Group
Pennsylvania
$4.42M
Manulife (Manufacturers Life Insurance)
92
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$4.42M
PMAM
93
Picton Mahoney Asset Management
Ontario, Canada
$4.38M
Rafferty Asset Management
94
Rafferty Asset Management
New York
$4.36M
Raymond James Financial
95
Raymond James Financial
Florida
$4.34M
VAM
96
Vanguard Asset Management
$4.32M
NFGH
97
Nan Fung Group Holdings
Hong Kong
$4.27M
HIS
98
Harvest Investment Services
Illinois
$4.22M
Legal & General Group
99
Legal & General Group
United Kingdom
$4.09M
SAM
100
Silvercrest Asset Management
New York
$4.08M