Security key
76243J105
RHYTHM PHARMACEUTICALS, INC. - Common Stock, $0.001 par value per share (RYTM)
CUSIP: 76243J105
Q4 2020 13F Holders as of 31 Dec 2020
- Security type / class
- Equity / Common Stock, $0.001 par value per share
- Total 13F shares
- 40,510,233
- Total 13F value
- $1,201,291,923
- Share change
- +1,267,109
- Put/Call ratio
- 197%
- SEC-reported price per share
- $29.73
- Number of holders
- 114
- Value change
- +$39,479,834
- Number of buys
- 54
- Number of sells
- 51
- Shares outstanding
- 69,012,275
Holder snapshot
7 signals
Show 1 more signal
Security identity
Who this page is about.
1 source field
Report period
Q4 2020
Institutions
114
Top holders
10
RYTM full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q1 2021
Previous quarter: Q3 2020
RHYTHM PHARMACEUTICALS, INC. SEC filings
RHYTHM PHARMACEUTICALS, INC. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 76243J105
Recent filing periods:
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.
Comparable stake leader
RA CAPITAL MANAGEMENT, L.P.
Disclosed value leader
RA CAPITAL MANAGEMENT, L.P.
Comparable rows
15/15
Latest evidence
30 Sep 2020
13F
Lead comparable stake: 7.4%
Showing 1-6 of 15 holder rows.
Quick read
RA CAPITAL MANAGEMENT, L.P. leads the comparable SEC ownership view at 7.4%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens RA CAPITAL MANAGEMENT, L.P.'s linked filing trail.
Comparable ownership
Top 5
RA CAPITAL MANAGEMENT, L.P.
7.4%
NEA Management Company, LLC
7.1%
JANUS HENDERSON GROUP PLC
6.4%
PRIMECAP MANAGEMENT CO/CA/
5.2%
BlackRock Finance, Inc.
3.8%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| RA CAPITAL MANAGEMENT, L.P. |
13F
Company
|
7.4%
|
$111,393,000
5,140,408 shares
|
— | 30 Sep 2020 |
| NEA Management Company, LLC |
13F
Company
|
7.1%
|
$106,450,000
4,912,306 shares
|
— | 30 Sep 2020 |
| JANUS HENDERSON GROUP PLC |
13F
Company
|
6.4%
|
$95,053,000
4,386,370 shares
|
— | 30 Sep 2020 |
| PRIMECAP MANAGEMENT CO/CA/ |
13F
Company
|
5.2%
|
$77,464,000
3,574,691 shares
|
— | 30 Sep 2020 |
| BlackRock Finance, Inc. |
13F
Company
|
3.8%
|
$57,196,000
2,639,352 shares
|
— | 30 Sep 2020 |
| BAKER BROS. ADVISORS LP |
13F
Company
|
3.6%
|
$53,550,000
2,471,155 shares
|
— | 30 Sep 2020 |
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 Q4 2020
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
114
Shares
40,510,233
Rows available
114
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-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 did not pass the local price check.
Compare Q4 2020 vs Q3 2020 Across Filers
Q3 2020 holders
114
Q4 2020 holders
114
Holder diff
0
| Investor | Q3 2020 Shares | Q4 2020 Shares | Share Diff | Share Chg % | Q3 2020 value | Q4 2020 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend