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Rhythm Pharmaceuticals

126 hedge funds and large institutions have $1.08B invested in Rhythm Pharmaceuticals in 2023 Q1 according to their latest regulatory filings, with 29 funds opening new positions, 46 increasing their positions, 24 reducing their positions, and 18 closing their positions.

New
Increased
Maintained
Reduced
Closed

298% more call options, than puts

Call options by funds: $12.9M | Put options by funds: $3.25M

92% more repeat investments, than reductions

Existing positions increased: 46 | Existing positions reduced: 24

61% more first-time investments, than exits

New positions opened: 29 | Existing positions closed: 18

10% more funds holding

Funds holding: 115126 (+11)

4.27% less ownership

Funds ownership: 110.59%106.32% (-4.3%)

20% less funds holding in top 10

Funds holding in top 10: 54 (-1)

41% less capital invested

Capital invested by funds: $1.81B → $1.08B (-$734M)

Holders
126
Holders Change
+11
Holders Change %
+9.57%
% of All Funds
2.01%
Holding in Top 10
4
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-20%
% of All Funds
0.06%
New
29
Increased
46
Reduced
24
Closed
18
Calls
$12.9M
Puts
$3.25M
Net Calls
+$9.7M
Net Calls Change
+$7.04M
Name Holding Trade Value Shares
Change
Change in
Stake
Qube Research & Technologies (QRT)
26
Qube Research & Technologies (QRT)
United Kingdom
$5.2M +$2.78M +110,757 +61%
CSS
27
Cubist Systematic Strategies
Connecticut
$4.97M +$6.59M +262,250 +1,589%
D.E. Shaw & Co
28
D.E. Shaw & Co
New York
$4.96M -$1.94M -77,327 -22%
Rafferty Asset Management
29
Rafferty Asset Management
New York
$4.55M -$1.28M -50,803 -17%
Charles Schwab
30
Charles Schwab
California
$4.07M -$47.2K -1,879 -0.8%
HF
31
HRT Financial
New York
$3.9M +$5.49M +218,445 New
Morgan Stanley
32
Morgan Stanley
New York
$3.86M -$680K -27,064 -11%
UBS AM
33
UBS AM
Illinois
$3.68M +$4.11M +163,838 +388%
Voloridge Investment Management
34
Voloridge Investment Management
Florida
$3.45M -$35.3K -1,406 -0.7%
T. Rowe Price Associates
35
T. Rowe Price Associates
Maryland
$3.06M +$3.95M +157,380 +1,108%
RHJA
36
Rice Hall James & Associates
California
$2.74M +$14.7K +584 +0.4%
Northern Trust
37
Northern Trust
Illinois
$2.54M +$101K +4,036 +3%
Walleye Capital
38
Walleye Capital
New York
$2.46M +$3.46M +137,769 New
Dimensional Fund Advisors
39
Dimensional Fund Advisors
Texas
$2.22M -$313K -12,482 -9%
Wellington Management Group
40
Wellington Management Group
Massachusetts
$1.99M +$118K +4,717 +4%
Squarepoint
41
Squarepoint
New York
$1.89M +$1.03M +40,837 +63%
GPP
42
Great Point Partners
Connecticut
$1.74M +$2.45M +97,544 New
Swiss National Bank
43
Swiss National Bank
Switzerland
$1.74M -$15.1K -600 -0.6%
Marshall Wace
44
Marshall Wace
United Kingdom
$1.67M +$1.82M +72,563 +341%
KCM
45
Kynam Capital Management
New Jersey
$1.65M +$2.33M +92,602 New
Barclays
46
Barclays
United Kingdom
$1.55M -$2.4M -95,481 -52%
BNP Paribas Financial Markets
47
BNP Paribas Financial Markets
France
$1.55M +$858K +34,158 +65%
UBS Group
48
UBS Group
Switzerland
$1.5M -$2.69M -107,188 -56%
Verition Fund Management
49
Verition Fund Management
Connecticut
$1.38M +$1.94M +77,228 New
VOYA Investment Management
50
VOYA Investment Management
Georgia
$1.13M

RYTM Hedge Fund Activity: Q1 2023 in Review

126 of the 6,275 institutional investors tracked by Wall St. Rank reported a position in Rhythm Pharmaceuticals (RYTM) for Q1 2023, worth a combined $1.08B — down 41% from $1.81B a quarter earlier.

Buyers outnumbered sellers: 29 funds opened new RYTM positions and 18 closed out — a net gain of 11 holders — while 46 added to existing stakes and 24 trimmed.

The largest buyer was Primecap Management, adding an estimated $17.5M. The largest seller was Federated Hermes, cutting an estimated $60.6M.

  • 126 institutional investors held Rhythm Pharmaceuticals (RYTM) as of Q1 2023, up from 115 in Q4 2022.
  • Funds reported $1.08B of Rhythm Pharmaceuticals stock for Q1 2023, down 41% quarter-over-quarter.
  • 29 funds opened new Rhythm Pharmaceuticals positions in Q1 2023 and 18 closed out, a net change of +11 holders.
  • The largest Rhythm Pharmaceuticals buyer in Q1 2023 was Primecap Management, an estimated $17.5M added.
  • The largest Rhythm Pharmaceuticals seller in Q1 2023 was Federated Hermes, an estimated $60.6M sold.

Based on aggregated 13F filings for Q1 2023.