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Rhythm Pharmaceuticals
RYTM

Overview Fund Activity

124 hedge funds and large institutions have $1.01B invested in Rhythm Pharmaceuticals in 2021 Q1 according to their latest regulatory filings, with 25 funds opening new positions, 59 increasing their positions, 25 reducing their positions, and 19 closing their positions.

Holders
124
Holders Change
+5
Holders Change %
+4.2%
% of All Funds
2.18%
Holding in Top 10
2
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.04%
New
25
Increased
59
Reduced
25
Closed
19
Calls
$1.05M
Puts
$1.39M
Net Calls
-$341K
Net Calls Change
+$2.15M

Top Buyers

1
Primecap Management
1
Primecap Management
California
$128M
2
BBA
2
Baker Bros. Advisors
New York
$74M
3
State Street
3
State Street
Massachusetts
$51.9M
4
GGHC
4
Gilder Gagnon Howe & Co
New York
$32.4M
5
RCM
5
RA Capital Management
Massachusetts
$104M

Top Sellers

1
Wellington Management Group
1
Wellington Management Group
Massachusetts
$21.6M
2
MAM
2
MPM Asset Management
Massachusetts
$19.3M
3
DM
3
Deerfield Management
New York
$42.3M
4
Janus Henderson Group
4
Janus Henderson Group
United Kingdom
$87M
5
OM
5
Opaleye Management
Massachusetts
$0
Name Market Value Shares Shares
Change 		Shares
Change %
MWNA
26
Marshall Wace North America
New York
$3.6M 169,156 +169,156 New
Nuveen Asset Management
27
Nuveen Asset Management
Illinois
$3.26M 153,269 +18,163 +13%
Citigroup
28
Citigroup
New York
$3.24M 152,428 +143,603 +1,627%
Bank of New York Mellon
29
Bank of New York Mellon
New York
$2.9M 136,154 +5,732 +4%
UBS Group
30
UBS Group
Switzerland
$2.7M 126,850 +25,699 +25%
Susquehanna International Group
31
Susquehanna International Group
Pennsylvania
$2.63M 123,737 +72,222 +140%
Rafferty Asset Management
32
Rafferty Asset Management
New York
$2.59M 121,667 +111,888 +1,144%
Citadel Advisors
33
Citadel Advisors
Florida
$2.53M 118,708 +40,662 +52%
Stifel Financial
34
Stifel Financial
Missouri
$2.49M 117,233 +105,579 +906%
Bank of America
35
Bank of America
North Carolina
$2.26M 106,442 +16,283 +18%
Morgan Stanley
36
Morgan Stanley
New York
$2.15M 100,849 +50,643 +101%
SG Americas Securities
37
SG Americas Securities
New York
$1.85M 86,784 -23,904 -22%
Fidelity Investments
38
Fidelity Investments
Massachusetts
$1.77M 83,278 +36,100 +77%
JPMorgan Chase & Co
39
JPMorgan Chase & Co
New York
$1.7M 79,825 -8,435 -10%
Swiss National Bank
40
Swiss National Bank
Switzerland
$1.67M 78,700 +23,700 +43%
Barclays
41
Barclays
United Kingdom
$1.58M 74,283 +39,527 +114%
Alyeska Investment Group
42
Alyeska Investment Group
Illinois
$1.57M 73,957 +73,957 New
Squarepoint
43
Squarepoint
New York
$1.52M 71,544 +21,203 +42%
California Public Employees Retirement System
44
California Public Employees Retirement System
California
$1.46M 68,400 -6,321 -8%
Tudor Investment Corp
45
Tudor Investment Corp
Connecticut
$1.42M 66,852 +66,852 New
Norges Bank
46
Norges Bank
Norway
$1.39M 65,108 -94,320 -59%
RHJA
47
Rice Hall James & Associates
California
$1.37M 64,261 +15,538 +32%
California State Teachers Retirement System (CalSTRS)
48
California State Teachers Retirement System (CalSTRS)
California
$1.22M 57,485 +6,800 +13%
Renaissance Technologies
49
Renaissance Technologies
New York
$1.04M 49,000 +39,000 +390%
State of Wisconsin Investment Board
50
State of Wisconsin Investment Board
Wisconsin
$1.03M 48,400 – –
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