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Rhythm Pharmaceuticals
RYTM

80 hedge funds and large institutions have $621M invested in Rhythm Pharmaceuticals in 2020 Q1 according to their latest regulatory filings, with 15 funds opening new positions, 28 increasing their positions, 21 reducing their positions, and 23 closing their positions.

New
Increased
Maintained
Reduced
Closed

33% more repeat investments, than reductions

Existing positions increased: 28 | Existing positions reduced: 21

3.85% less ownership

Funds ownership: 96.47% → 92.62% (-3.8%)

10% less funds holding

Funds holding: 89 → 80 (-9)

35% less first-time investments, than exits

New positions opened: 15 | Existing positions closed: 23

36% less capital invested

Capital invested by funds: $973M → $621M (-$352M)

50% less funds holding in top 10

Funds holding in top 10: 4 → 2 (-2)

95% less call options, than puts

Call options by funds: $1K | Put options by funds: $19K

Holders
80
Holders Change
-9
Holders Change %
-10.11%
% of All Funds
1.76%
Holding in Top 10
2
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-50%
% of All Funds
0.04%
New
15
Increased
28
Reduced
21
Closed
23
Calls
$1K
Puts
$19K
Net Calls
-$18K
Net Calls Change
-$18K

Top Buyers

Rank Fund Capital Flow
1
Primecap Management
Primecap Management
California
+$25.9M
2
SB
Samsara BioCapital
California
+$4.95M
3
RSCM
Rock Springs Capital Management
Maryland
+$2.78M
4
Aviva
Aviva
United Kingdom
+$2.37M
5
Federated Hermes
Federated Hermes
Pennsylvania
+$1.93M

Top Sellers

Rank Fund Capital Flow
1
DM
Deerfield Management
New York
-$22.5M
2
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
-$19.2M
3
Fidelity Investments
Fidelity Investments
Massachusetts
-$14.3M
4
Wellington Management Group
Wellington Management Group
Massachusetts
-$11.7M
5
OM
Opaleye Management
Massachusetts
-$2.54M
Name Holding Trade Value Shares
Change 		Change in
Stake
AIM
76
Aigen Investment Management
New York
$5K -$6.11K -341 -50%
Daiwa Securities Group
77
Daiwa Securities Group
Japan
$4K – – –
Osaic Holdings
78
Osaic Holdings
Arizona
$3K +$3.58K +200 New
Royal Bank of Canada
79
Royal Bank of Canada
Ontario, Canada
$2K -$29.2K -1,631 -93%
LC
80
Lindbrook Capital
California
$1K +$985 +55 New
T. Rowe Price Associates
81
T. Rowe Price Associates
Maryland
– -$19.2M -836,985 Closed
OM
82
Opaleye Management
Massachusetts
– -$2.54M -110,500 Closed
BFM
83
Boothbay Fund Management
New York
– -$1.03M -45,000 Closed
UONDDL
84
University of Notre Dame du Lac
Indiana
– -$1.02M -44,390 Closed
Two Sigma Investments
85
Two Sigma Investments
New York
– -$963K -41,922 Closed
Squarepoint
86
Squarepoint
New York
– -$828K -36,077 Closed
AC
87
Athanor Capital
New York
– -$571K -24,871 Closed
Millennium Management
88
Millennium Management
New York
– -$511K -22,273 Closed
TD Asset Management
89
TD Asset Management
Ontario, Canada
– -$493K -21,459 Closed
SI
90
Sofinnova Investments
California
– -$489K -21,319 Closed
Rafferty Asset Management
91
Rafferty Asset Management
New York
– -$479K -20,847 Closed
ARTA
92
A.R.T. Advisors
New York
– -$415K -18,057 Closed
CSS
93
Cubist Systematic Strategies
Connecticut
– -$320K -13,919 Closed
ProShare Advisors
94
ProShare Advisors
Maryland
– -$309K -13,472 Closed
Ameriprise
95
Ameriprise
Minnesota
– -$290K -12,610 Closed
SIM
96
Spark Investment Management
New York
– -$206K -9,000 Closed
Bank of Montreal
97
Bank of Montreal
Ontario, Canada
– -$85K -3,697 Closed
SO
98
STRS Ohio
Ohio
– -$55K -2,400 Closed
QT
99
Quantbot Technologies
New York
– -$33K -1,463 Closed
Rockefeller Capital Management
100
Rockefeller Capital Management
New York
– -$6K -249 Closed
1 2 3
4
5

RYTM Hedge Fund Activity: Q1 2020 in Review

80 of the 4,538 institutional investors tracked by Wall St. Rank reported a position in Rhythm Pharmaceuticals (RYTM) for Q1 2020, worth a combined $621M — down 36% from $973M a quarter earlier.

Sellers outnumbered buyers: 23 funds closed out of RYTM and 15 opened new positions — a net loss of 8 holders — while 21 trimmed existing stakes and 28 added.

The largest buyer was Primecap Management, adding an estimated $25.9M. The largest seller was Deerfield Management, cutting an estimated $22.5M.

  • 80 institutional investors held Rhythm Pharmaceuticals (RYTM) as of Q1 2020, down from 89 in Q4 2019.
  • Funds reported $621M of Rhythm Pharmaceuticals stock for Q1 2020, down 36% quarter-over-quarter.
  • 15 funds opened new Rhythm Pharmaceuticals positions in Q1 2020 and 23 closed out, a net change of -8 holders.
  • The largest Rhythm Pharmaceuticals buyer in Q1 2020 was Primecap Management, an estimated $25.9M added.
  • The largest Rhythm Pharmaceuticals seller in Q1 2020 was Deerfield Management, an estimated $22.5M sold.

Based on aggregated 13F filings for Q1 2020.