We are live on ! Find out more
RYTM icon

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
VA
26
VR Adviser
New York
$22.8M -$18.7M -594,017 -54%
Morgan Stanley
27
Morgan Stanley
New York
$21.3M +$849K +26,904 +6%
Charles Schwab
28
Charles Schwab
California
$18.3M +$408K +12,937 +3%
Voloridge Investment Management
29
Voloridge Investment Management
Florida
$16.7M +$10.8M +342,350 +1,681%
Assenagon Asset Management
30
Assenagon Asset Management
Luxembourg
$13.9M -$3.33M -105,654 -26%
Lord, Abbett & Co
31
Lord, Abbett & Co
New Jersey
$13M +$8.94M +283,518 New
Artisan Partners
32
Artisan Partners
Wisconsin
$12.5M +$8.56M +271,421 New
Canada Pension Plan Investment Board
33
Canada Pension Plan Investment Board
Ontario, Canada
$12.3M +$8.42M +267,000 New
Barclays
34
Barclays
United Kingdom
$11.6M +$320K +10,154 +4%
National Bank of Canada
35
National Bank of Canada
Quebec, Canada
$10.8M +$3.41M +108,000 +82%
UBS AM
36
UBS AM
Illinois
$9.65M -$4.02M -127,326 -38%
Jane Street
37
Jane Street
New York
$8.47M +$1.27M +40,357 +28%
Victory Capital Management
38
Victory Capital Management
Texas
$8.38M +$5.12M +162,247 +809%
Bank of New York Mellon
39
Bank of New York Mellon
New York
$8.28M +$89.8K +2,846 +2%
SCM
40
Silverarc Capital Management
Massachusetts
$8.01M -$2.72M -86,289 -33%
SB
41
Samsara BioCapital
California
$7.94M -$5.45M -172,646 -50%
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
42
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$6.98M -$794K -25,157 -14%
N
43
Nuveen
North Carolina
$6.6M +$65.7K +2,084 +1%
Wellington Management Group
44
Wellington Management Group
Massachusetts
$6.43M +$74.4K +2,359 +2%
Invesco
45
Invesco
Georgia
$6.24M +$3.39M +107,357 +378%
D.E. Shaw & Co
46
D.E. Shaw & Co
New York
$5.91M +$4.05M +128,492 New
Rafferty Asset Management
47
Rafferty Asset Management
New York
$5.59M -$1.3M -41,150 -25%
Citadel Advisors
48
Citadel Advisors
Florida
$5.24M -$4.46M -141,518 -55%
Dimensional Fund Advisors
49
Dimensional Fund Advisors
Texas
$4.46M
ClearBridge Investments
50
ClearBridge Investments
New York
$4.19M -$2.89M -91,667 -50%

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.