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Rhythm Pharmaceuticals

168 hedge funds and large institutions have $3.08B invested in Rhythm Pharmaceuticals in 2023 Q4 according to their latest regulatory filings, with 44 funds opening new positions, 42 increasing their positions, 63 reducing their positions, and 19 closing their positions.

New
Increased
Maintained
Reduced
Closed

1,509% more call options, than puts

Call options by funds: $50M | Put options by funds: $3.11M

132% more first-time investments, than exits

New positions opened: 44 | Existing positions closed: 19

97% more capital invested

Capital invested by funds: $1.56B → $3.08B (+$1.51B)

43% more funds holding in top 10

Funds holding in top 10: 710 (+3)

17% more funds holding

Funds holding: 143168 (+25)

6.5% less ownership

Funds ownership: 119.74%113.24% (-6.5%)

33% less repeat investments, than reductions

Existing positions increased: 42 | Existing positions reduced: 63

Holders
168
Holders Change
+25
Holders Change %
+17.48%
% of All Funds
2.45%
Holding in Top 10
10
Holding in Top 10 Change
+3
Holding in Top 10 Change %
+42.86%
% of All Funds
0.15%
New
44
Increased
42
Reduced
63
Closed
19
Calls
$50M
Puts
$3.11M
Net Calls
+$46.9M
Net Calls Change
+$37.3M
Name Holding Trade Value Shares
Change
Change in
Stake
Primecap Management
1
Primecap Management
California
$370M -$6.78M -214,773 -3%
BBA
2
Baker Bros. Advisors
New York
$294M -$9.59M -303,984 -5%
BlackRock
3
BlackRock
New York
$292M +$4.79M +151,868 +2%
RCM
4
RA Capital Management
Massachusetts
$245M -$10.9M -345,655 -6%
Goldman Sachs
5
Goldman Sachs
New York
$232M -$3.55M -112,607 -2%
Vanguard Group
6
Vanguard Group
Pennsylvania
$148M +$6.7M +212,370 +7%
NMC
7
NEA Management Company
Maryland
$134M
FLSM
8
Frazier Life Sciences Management
California
$109M
Federated Hermes
9
Federated Hermes
Pennsylvania
$106M -$958K -30,380 -1%
State Street
10
State Street
Massachusetts
$101M -$5.04M -159,838 -7%
PA
11
Perceptive Advisors
New York
$99M +$55.9M +1,773,282 +466%
PCH
12
Polar Capital Holdings
United Kingdom
$80.4M -$23.7M -750,000 -30%
CC
13
Commodore Capital
New York
$71.3M -$16.6M -525,000 -25%
RSCM
14
Rock Springs Capital Management
Maryland
$70M -$2.34M -74,230 -5%
Pictet Asset Management
15
Pictet Asset Management
Switzerland
$53.5M +$36.7M +1,163,961 New
Geode Capital Management
16
Geode Capital Management
Massachusetts
$51.5M +$2.34M +74,072 +7%
CC
17
Checkpoint Capital
California
$33.6M +$23M +730,000 New
Janus Henderson Group
18
Janus Henderson Group
United Kingdom
$28.6M -$14M -443,853 -42%
OM
19
Opaleye Management
Massachusetts
$28M -$1.36M -43,000 -7%
DCM
20
Driehaus Capital Management
Illinois
$27.5M +$10.2M +324,381 +118%
T. Rowe Price Associates
21
T. Rowe Price Associates
Maryland
$26.3M +$11.4M +361,945 +172%
CAM
22
Cormorant Asset Management
Massachusetts
$25.3M -$9.46M -300,000 -35%
O
23
OrbiMed
New York
$24.7M -$1.48M -47,000 -8%
Fidelity Investments
24
Fidelity Investments
Massachusetts
$24.3M -$10.7M -339,344 -39%
Northern Trust
25
Northern Trust
Illinois
$23M -$92.4K -2,928 -0.6%

RYTM Hedge Fund Activity: Q4 2023 in Review

168 of the 6,859 institutional investors tracked by Wall St. Rank reported a position in Rhythm Pharmaceuticals (RYTM) for Q4 2023, worth a combined $3.08B — up 97% from $1.56B a quarter earlier.

Buyers outnumbered sellers: 44 funds opened new RYTM positions and 19 closed out — a net gain of 25 holders — while 42 added to existing stakes and 63 trimmed.

The largest buyer was Perceptive Advisors, adding an estimated $55.9M. The largest seller was Alkeon Capital Management, exiting entirely with an estimated $39.5M sold.

  • 168 institutional investors held Rhythm Pharmaceuticals (RYTM) as of Q4 2023, up from 143 in Q3 2023.
  • Funds reported $3.08B of Rhythm Pharmaceuticals stock for Q4 2023, up 97% quarter-over-quarter.
  • 44 funds opened new Rhythm Pharmaceuticals positions in Q4 2023 and 19 closed out, a net change of +25 holders.
  • The largest Rhythm Pharmaceuticals buyer in Q4 2023 was Perceptive Advisors, an estimated $55.9M added.
  • The largest Rhythm Pharmaceuticals seller in Q4 2023 was Alkeon Capital Management, an estimated $39.5M sold.

Based on aggregated 13F filings for Q4 2023.