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Rhythm Pharmaceuticals

228 hedge funds and large institutions have $3.44B invested in Rhythm Pharmaceuticals in 2025 Q1 according to their latest regulatory filings, with 44 funds opening new positions, 87 increasing their positions, 69 reducing their positions, and 19 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:

3.1% less ownership

Funds ownership: 105.63%102.53% (-3.1%)

5% less capital invested

Capital invested by funds: $3.63B → $3.44B (-$197M)

36% less funds holding in top 10

Funds holding in top 10: 117 (-4)

Holders
228
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

Top Sellers

1 -$66.1M
2 -$62.8M
3 -$55.5M
4
Primecap Management
Primecap Management
California
-$43.5M
5
BBA
Baker Bros. Advisors
New York
-$26.6M
Name Holding Trade Value Shares
Change
Change in
Stake
101
$1.87M
102
$1.86M
103
$1.8M
104
$1.79M
105
$1.75M
106
$1.72M
107
$1.72M
108
$1.59M
109
$1.56M
110
$1.42M
111
$1.35M
112
$1.29M
113
$1.25M
114
$1.18M
115
$1.16M
116
$1.04M
117
$1.02M
118
$980K
119
$979K
120
$965K
121
$935K
122
$919K
123
$919K
124
$918K
125
$906K