Companies / Rhythm Pharmaceuticals, Inc.
Rhythm Pharmaceuticals, Inc.
Financials · FY2025
Ownership
68.9M shares outstanding · as of Aug 1, 2026
Ownership
| Insiders | 0.77% | 533,428 |
| 10%+ / strategic | 14.07% | 9,689,585 |
| Institutions | 92.94% | 63,990,778 |
| Public float | 0.00% | 0 |
Reported holdings exceed shares outstanding — public float shown as 0; some positions may overlap or lag.
% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.
Insiders 13
View all →| Insider | % of shares | Shares |
|---|---|---|
Meeker David PCEOPresident and CEO · Director | 0.35% | 239,016 |
Smith Hunter CChief Financial Officer | 0.17% | 116,611 |
Mazabraud YannEVP, Head of International | 0.08% | 53,155 |
Cramer Pamela J.Chief Human Resources Officer | 0.04% | 29,376 |
Lee Jennifer KaydenEVP, Head of North America | 0.03% | 19,233 |
Shulman JosephChief Technical Officer | 0.03% | 18,970 |
Mathers Edward TDirector | 0.02% | 14,168 |
Good Jennifer LDirector | 0.02% | 11,712 |
Jean ChristopheDirector | 0.02% | 11,712 |
McGirr David W JDirector | 0.02% | 11,712 |
Institutional holders 288
View all →| Holder | Value | % of shares |
|---|---|---|
| $683.60M | 8.94% | |
| $664.82M | 9.02% | |
| $579.81M | 9.68% | |
| $487.42M | 8.14% | |
| $372.36M | 5.05% | |
| $311.48M | 4.23% | |
| $285.73M | 3.74% | |
| $206.45M | 3.45% | |
| $195.98M | 2.66% | |
| $182.64M | 2.48% |
Activity
InsidersInstitutions
What insiders are doing in this stock (Form 4).| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Feb 1, 2026 | Meeker David P CEO | Other | Common Stock | $3.44M | -32K -11.65% | 239,016 0.35% of shares | low |
| Feb 1, 2026 | Smith Hunter C Executive | Other | Common Stock | $1.17M | -11K -7.52% | 132,165 0.19% of shares | low |
| Feb 1, 2026 | Lee Jennifer Kayden Executive | Other | Common Stock | $1.01M | -9K -32.44% | 19,233 0.03% of shares | low |
| Feb 1, 2026 | Shulman Joseph Executive | Other | Common Stock | $709.2K | -7K -25.54% | 18,970 0.03% of shares | low |
| Feb 1, 2026 | Cramer Pamela J. Executive | Other | Common Stock | $515.6K | -5K -13.87% | 29,376 0.04% of shares | low |
| Mar 4, 2026 | German Christopher Paul Executive | Sell | Common Stock | $502.8K | -6K -97.23% | 160 <0.01% of shares | medium |
| May 15, 2026 | German Christopher Paul Executive | Sell | Common Stock | $428.1K | -5K -100.00% | 0 0.00% of shares | medium |
| Feb 5, 2026 | Smith Hunter C Executive | Sell | Common Stock | $358.6K | -3K -2.62% | 125,537 0.18% of shares | medium |
5%+ ownership events
Schedule 13D / 13G
| Filer | Stance | % of class |
|---|---|---|
| Vanguard Group Inc | Passive13G/A | — |
| Vanguard Group Inc | Passive13G/A | — |
| RA Capital Management, L.P. | Passive13G/A | — |
| Primecap Management CO/CA | Passive13G/A | — |
| Perceptive Advisors LLC | Passive13G/A | — |
Securities
via CUSIP / OpenFIGI
| Symbol | Type | CUSIP |
|---|---|---|
| RYTM | — | 76243J105 |