We are live on ! Find out more
RYTM icon

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
51
$7.17M
52
$6.66M
53
$6.08M
54
$5.92M
55
$5.73M
56
$5.46M
57
$5.41M
58
$5.36M
59
$5.21M
60
$4.93M
61
$4.83M
62
$4.76M
63
$4.75M
64
$4.73M
65
$4.57M
66
$4.56M
67
$4.55M
68
$4.54M
69
$4.44M
70
$4.4M
71
$4.09M
72
$3.74M
73
$3.71M
74
$3.6M
75
$3.41M