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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
Bank of New York Mellon
51
Bank of New York Mellon
New York
$25.5M
Qube Research & Technologies (QRT)
52
Qube Research & Technologies (QRT)
United Kingdom
$24.2M
Wellington Management Group
53
Wellington Management Group
Massachusetts
$23.8M
Squarepoint
54
Squarepoint
New York
$22.9M
Renaissance Technologies
55
Renaissance Technologies
New York
$22.4M
BNP Paribas Financial Markets
56
BNP Paribas Financial Markets
France
$21.6M
HRCM
57
Hood River Capital Management
Florida
$20.9M
VOYA Investment Management
58
VOYA Investment Management
Georgia
$20.3M
UBS Group
59
UBS Group
Switzerland
$20.1M
ACM
60
ADAR1 Capital Management
Texas
$18.4M
SC
61
SummitTX Capital
Texas
$14.4M
Connor, Clark & Lunn Investment Management (CC&L)
62
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$13.2M
Deutsche Bank
63
Deutsche Bank
Germany
$12.3M
MGP
64
M&G plc
United Kingdom
$12.1M
PHS
65
PFM Health Sciences
California
$11.9M
NCM
66
NEXTBio Capital Management
California
$11M
New York State Common Retirement Fund
67
New York State Common Retirement Fund
New York
$10.9M
N
68
Nuveen
North Carolina
$10.2M
Schroder Investment Management Group
69
Schroder Investment Management Group
United Kingdom
$10.2M
Russell Investments Group
70
Russell Investments Group
United Kingdom
$10.1M
Capital World Investors
71
Capital World Investors
California
$10.1M
Swiss National Bank
72
Swiss National Bank
Switzerland
$9.76M
AI
73
Axiom Investors
Connecticut
$7.98M
FLAM
74
First Light Asset Management
Minnesota
$7.58M
First Trust Advisors
75
First Trust Advisors
Illinois
$7.44M