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Rhythm Pharmaceuticals
RYTM

Overview Fund Activity

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.

Holders
126
Holders Change
+11
Holders Change %
+9.57%
% of All Funds
2.02%
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

Top Buyers

1
Primecap Management
1
Primecap Management
California
$136M
2
Millennium Management
2
Millennium Management
New York
$9.76M
3
PCH
3
Polar Capital Holdings
United Kingdom
$31.2M
4
Citadel Advisors
4
Citadel Advisors
Florida
$6.51M
5
FLSM
5
Frazier Life Sciences Management
California
$38.6M

Top Sellers

1
Federated Hermes
1
Federated Hermes
Pennsylvania
$69.4M
2
NMC
2
NEA Management Company
Maryland
$51.9M
3
State Street
3
State Street
Massachusetts
$46.6M
4
Invesco
4
Invesco
Georgia
$0
5
ACM
5
Altium Capital Management
New York
$0
Name Market Value Shares Shares
Change 		Shares
Change %
Primecap Management
1
Primecap Management
California
$136M 7,607,311 +696,169 +10%
BBA
2
Baker Bros. Advisors
New York
$116M 6,498,267 +143,659 +2%
RCM
3
RA Capital Management
Massachusetts
$98.4M 5,516,067 – –
Goldman Sachs
4
Goldman Sachs
New York
$94.7M 5,310,703 +108,911 +2%
Federated Hermes
5
Federated Hermes
Pennsylvania
$69.4M 3,891,683 -2,412,799 -38%
BlackRock
6
BlackRock
New York
$67.4M 3,780,599 +56,885 +2%
NMC
7
NEA Management Company
Maryland
$51.9M 2,909,956 -2,000,000 -41%
Vanguard Group
8
Vanguard Group
Pennsylvania
$47.2M 2,648,136 +51,822 +2%
State Street
9
State Street
Massachusetts
$46.6M 2,612,188 -568,510 -18%
FLSM
10
Frazier Life Sciences Management
California
$38.6M 2,164,739 +270,739 +14%
Alkeon Capital Management
11
Alkeon Capital Management
New York
$36M 2,015,966 -222,296 -10%
PCH
12
Polar Capital Holdings
United Kingdom
$31.2M 1,750,000 +500,000 +40%
RSCM
13
Rock Springs Capital Management
Maryland
$28.5M 1,597,123 -163,742 -9%
Janus Henderson Group
14
Janus Henderson Group
United Kingdom
$19.6M 1,097,573 -142,580 -11%
Susquehanna International Group
15
Susquehanna International Group
Pennsylvania
$14M 784,555 +90,513 +13%
OM
16
Opaleye Management
Massachusetts
$13.1M 735,000 – –
Fidelity Investments
17
Fidelity Investments
Massachusetts
$12.5M 698,824 -74,204 -10%
Assenagon Asset Management
18
Assenagon Asset Management
Luxembourg
$11.8M 664,026 +200,510 +43%
Millennium Management
19
Millennium Management
New York
$9.76M 546,906 +504,608 +1,193%
Geode Capital Management
20
Geode Capital Management
Massachusetts
$8.43M 472,761 +14,251 +3%
Citadel Advisors
21
Citadel Advisors
Florida
$6.51M 365,040 +294,342 +416%
Bank of America
22
Bank of America
North Carolina
$6.42M 359,666 +93,513 +35%
Jane Street
23
Jane Street
New York
$6.24M 349,639 +150,136 +75%
SB
24
Samsara BioCapital
California
$6.16M 345,293 – –
Citigroup
25
Citigroup
New York
$6.06M 339,955 +64,394 +23%
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