RHYTHM PHARMACEUTICALS, INC. - Common Stock, $0.001 par value per share (RYTM)

CUSIP: 76243J105

Q1 2020 13F Holders as of 31 Mar 2020

Security identity 2 facts
Shares outstanding
69,012,275
Holder snapshot 8 facts
Share change
-1,582,961
Reported price per share
$15.22
Number of holders
80
Value change
-$34,159,931
Number of buys
40
Number of sells
44

Security key

76243J105

Report period

Q1 2020

Institutions

80

Top holders

10

Ownership snapshot

Top reported holders of RYTM - RHYTHM PHARMACEUTICALS, INC. - Common Stock, $0.001 par value per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Lead holder
RA CAPITAL MANAGEMENT, L.P.
13D/G signal
Evidence rows
15
Latest as of
31 Dec 2019
13F Lead comparable stake: 7.9% Showing 1-6 of 15 holder rows.
Holder Evidence Ownership % Position 12M Net Δ As of
RA CAPITAL MANAGEMENT, L.P.
13F
Company
13F
7.9%
$124,496,000
5,422,312 shares
31 Dec 2019
NEA Management Company, LLC
13F
Company
13F
7.1%
$112,787,000
4,912,306 shares
31 Dec 2019
JANUS HENDERSON GROUP PLC
13F
Company
13F
6.2%
$98,848,000
4,305,248 shares
31 Dec 2019
DEERFIELD MANAGEMENT COMPANY, L.P.
13F
Company
13F
6.2%
$98,482,000
4,289,291 shares
31 Dec 2019
WELLINGTON MANAGEMENT GROUP LLP
13F
Company
13F
4.8%
$76,244,000
3,320,751 shares
31 Dec 2019
BAKER BROS. ADVISORS LP
13F
Company
13F
3.9%
$62,180,000
2,708,200 shares
31 Dec 2019
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q1 2020

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
80
Shares
40,805,984
Rows available
80
Investor Option Weight % Change % Reported value * Price Shares Share Change Activity Report Period

* Reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that failed the local validity check.

Compare Q1 2020 vs Q4 2019 Across Filers

Q4 2019 holders
89
Q1 2020 holders
80
Holder diff
-9
Investor Q4 2019 Shares Q1 2020 Shares Share Diff Share Chg % Q4 2019 value Q1 2020 value Value change Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
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