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Rhythm Pharmaceuticals
RYTM

Overview Fund Activity

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
Holders
80
Holders Change
-9
Holders Change %
-10.11%
% of All Funds
1.77%
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

1
Primecap Management
Primecap Management
California
+$22.1M
2
SB
Samsara BioCapital
California
+$4.21M
3
RSCM
Rock Springs Capital Management
Maryland
+$2.36M
4
Aviva
Aviva
United Kingdom
+$2.02M
5
Federated Hermes
Federated Hermes
Pennsylvania
+$1.64M

Top Sellers

1
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
-$19.2M
2
DM
Deerfield Management
New York
-$19.1M
3
Fidelity Investments
Fidelity Investments
Massachusetts
-$12.2M
4
Wellington Management Group
Wellington Management Group
Massachusetts
-$9.93M
5
OM
Opaleye Management
Massachusetts
-$2.54M
Name Holding Trade Value Shares
Change 		Shares
Change %
RCM
1
RA Capital Management
Massachusetts
$82.5M – – –
NMC
2
NEA Management Company
Maryland
$74.8M – – –
Janus Henderson Group
3
Janus Henderson Group
United Kingdom
$65.7M +$210K +13,785 +0.3%
Primecap Management
4
Primecap Management
California
$53.9M +$22.1M +1,448,900 +69%
DM
5
Deerfield Management
New York
$46.1M -$19.1M -1,257,726 -29%
BBA
6
Baker Bros. Advisors
New York
$41.2M – – –
Wellington Management Group
7
Wellington Management Group
Massachusetts
$40.6M -$9.93M -652,523 -20%
BlackRock
8
BlackRock
New York
$38M -$877K -57,640 -2%
MAM
9
MPM Asset Management
Massachusetts
$35.9M -$518K -34,034 -1%
Federated Hermes
10
Federated Hermes
Pennsylvania
$34.5M +$1.64M +107,881 +5%
Vanguard Group
11
Vanguard Group
Pennsylvania
$26M +$477K +31,340 +2%
State Street
12
State Street
Massachusetts
$14.9M +$688K +45,181 +5%
RSCM
13
Rock Springs Capital Management
Maryland
$7.61M +$2.36M +155,000 +45%
Geode Capital Management
14
Geode Capital Management
Massachusetts
$6.75M +$691K +45,382 +11%
Northern Trust
15
Northern Trust
Illinois
$5.88M +$349K +22,952 +6%
SB
16
Samsara BioCapital
California
$4.21M +$4.21M +276,289 New
Dimensional Fund Advisors
17
Dimensional Fund Advisors
Texas
$4.09M -$61.1K -4,015 -1%
Norges Bank
18
Norges Bank
Norway
$3.5M – – –
Fidelity Investments
19
Fidelity Investments
Massachusetts
$3.44M -$12.2M -799,712 -78%
Charles Schwab
20
Charles Schwab
California
$2.85M +$59.5K +3,909 +2%
PA
21
Perceptive Advisors
New York
$2.6M – – –
Aviva
22
Aviva
United Kingdom
$2.02M +$2.02M +132,382 New
Bank of New York Mellon
23
Bank of New York Mellon
New York
$1.76M +$89.6K +5,890 +5%
Nuveen Asset Management
24
Nuveen Asset Management
Illinois
$1.62M +$104K +6,855 +7%
JPMorgan Chase & Co
25
JPMorgan Chase & Co
New York
$1.58M -$257K -16,867 -14%
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