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Rhythm Pharmaceuticals

143 hedge funds and large institutions have $1.56B invested in Rhythm Pharmaceuticals in 2023 Q3 according to their latest regulatory filings, with 39 funds opening new positions, 48 increasing their positions, 39 reducing their positions, and 12 closing their positions.

New
Increased
Maintained
Reduced
Closed

732% more call options, than puts

Call options by funds: $10.9M | Put options by funds: $1.32M

225% more first-time investments, than exits

New positions opened: 39 | Existing positions closed: 12

133% more funds holding in top 10

Funds holding in top 10: 37 (+4)

43% more capital invested

Capital invested by funds: $1.09B → $1.56B (+$470M)

23% more funds holding

Funds holding: 116143 (+27)

23% more repeat investments, than reductions

Existing positions increased: 48 | Existing positions reduced: 39

3.29% more ownership

Funds ownership: 116.45%119.74% (+3.3%)

Holders
143
Holders Change
+27
Holders Change %
+23.28%
% of All Funds
2.27%
Holding in Top 10
7
Holding in Top 10 Change
+4
Holding in Top 10 Change %
+133.33%
% of All Funds
0.11%
New
39
Increased
48
Reduced
39
Closed
12
Calls
$10.9M
Puts
$1.32M
Net Calls
+$9.63M
Net Calls Change
+$6.03M
Name Holding Trade Value Shares
Change
Change in
Stake
Primecap Management
1
Primecap Management
California
$190M -$714K -31,896 -0.4%
BBA
2
Baker Bros. Advisors
New York
$154M +$4.57M +204,082 +3%
BlackRock
3
BlackRock
New York
$142M -$1.46M -65,123 -1%
RCM
4
RA Capital Management
Massachusetts
$130M
Goldman Sachs
5
Goldman Sachs
New York
$118M -$570K -25,472 -0.5%
Vanguard Group
6
Vanguard Group
Pennsylvania
$69.1M +$1.91M +85,139 +3%
NMC
7
NEA Management Company
Maryland
$66.7M
PCH
8
Polar Capital Holdings
United Kingdom
$57.3M +$5.6M +250,000 +11%
FLSM
9
Frazier Life Sciences Management
California
$54.4M +$4.57M +204,082 +9%
State Street
10
State Street
Massachusetts
$54.2M -$20.2M -901,569 -28%
Federated Hermes
11
Federated Hermes
Pennsylvania
$53.7M -$34.7M -1,550,348 -40%
CC
12
Commodore Capital
New York
$47.6M +$46.5M +2,075,000 New
Alkeon Capital Management
13
Alkeon Capital Management
New York
$39.5M
RSCM
14
Rock Springs Capital Management
Maryland
$36.6M
VA
15
VR Adviser
New York
$25M
Janus Henderson Group
16
Janus Henderson Group
United Kingdom
$24.4M -$279K -12,462 -1%
Geode Capital Management
17
Geode Capital Management
Massachusetts
$24M +$1.61M +71,707 +7%
Fidelity Investments
18
Fidelity Investments
Massachusetts
$19.9M +$3.74M +166,940 +24%
CAM
19
Cormorant Asset Management
Massachusetts
$19.5M +$5.6M +250,000 +42%
OM
20
Opaleye Management
Massachusetts
$15M -$1.84M -82,000 -11%
O
21
OrbiMed
New York
$13.4M +$13.1M +583,642 New
Northern Trust
22
Northern Trust
Illinois
$11.6M +$220K +9,820 +2%
Morgan Stanley
23
Morgan Stanley
New York
$10M +$7.46M +333,227 +323%
Assenagon Asset Management
24
Assenagon Asset Management
Luxembourg
$9.34M -$3.04M -135,920 -25%
LGM
25
Logos Global Management
California
$9.17M +$8.96M +400,000 New

RYTM Hedge Fund Activity: Q3 2023 in Review

143 of the 6,301 institutional investors tracked by Wall St. Rank reported a position in Rhythm Pharmaceuticals (RYTM) for Q3 2023, worth a combined $1.56B — up 43% from $1.09B a quarter earlier.

Buyers outnumbered sellers: 39 funds opened new RYTM positions and 12 closed out — a net gain of 27 holders — while 48 added to existing stakes and 39 trimmed.

The largest buyer was Commodore Capital, opening a new position worth an estimated $46.5M. The largest seller was Federated Hermes, cutting an estimated $34.7M.

  • 143 institutional investors held Rhythm Pharmaceuticals (RYTM) as of Q3 2023, up from 116 in Q2 2023.
  • Funds reported $1.56B of Rhythm Pharmaceuticals stock for Q3 2023, up 43% quarter-over-quarter.
  • 39 funds opened new Rhythm Pharmaceuticals positions in Q3 2023 and 12 closed out, a net change of +27 holders.
  • The largest Rhythm Pharmaceuticals buyer in Q3 2023 was Commodore Capital, an estimated $46.5M added.
  • The largest Rhythm Pharmaceuticals seller in Q3 2023 was Federated Hermes, an estimated $34.7M sold.

Based on aggregated 13F filings for Q3 2023.