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RYTM Rhythm Pharmaceuticals Inc.

Health Care, filed as RHYTHM PHARMACEUTICALS INC (COM), Equity As of 2026 Q2 among managers we track Quote on Google Finance, opens in a new tab

Bought by 1 manager in 2026 Q2

  • 2 Owners
  • Max 1.2%
  • $36M
  • 1 new 1 small

In 2026 Q2 Stanley Druckenmiller opened a position in Rhythm Pharmaceuticals.

Who owns this now

Largest portfolio weights among holders, up to 1.2% (James Silverman, Opaleye Management). Not free-float ownership.

  1. James Silverman Reduce 1.2%
  2. Stanley Druckenmiller New 0.43%

Who owns RYTM

Sorted by value, long equity only, as of 2026 Q2.

History
Stanley Druckenmiller, Duquesne Family Office 0.43% New 0.43% 203,618 $23M History
James Silverman, Opaleye Management 1.2%, was 4.7% Small trim −0.4% 122,500 $14M History

Weight bar: held both quarters added sold at this quarter’s reported price

Insider trades

Open-market buys and sales by RYTM's executives, directors and 10% owners in the last 12 months, from their Form 4s

All RYTM insider trades
  • None no insider bought on the open market
  • $931K sold by 1 insider outside a trading plan
  • $39.2M sold by 8 insiders under 10b5-1 plans
  1. David P Meeker CEO
    Planned sale
    $5.1M 50,000 shares at $102.67 17% of stake
    Traded Sep 14 Filed Sep 14
  2. Hunter C Smith CFO
    Planned sale
    $6.6M 62,774 shares at $105.46 36% of stake
    Traded Aug 31 Filed Sep 1
  3. Joseph Shulman Chief Technical Officer
    Planned sale
    $608K 5,079 shares at $119.75 24% of stake
    Traded Aug 13 Filed Aug 17
  4. Alastair Garfield Chief Scientific Officer
    Planned sale
    $913K 7,763 shares at $117.57 77% of stake
    Traded Aug 13 Filed Aug 17
  5. Jennifer Kayden Lee EVP, Head of North America
    Planned sale
    $8.9M 75,834 shares at $117.38 100% of stake
    Traded Aug 13 Filed Aug 14
  6. Yann Mazabraud EVP, Head of International
    Planned sale
    $6.6M 57,000 shares at $116.15 51% of stake
    Traded Aug 12 Filed Aug 14
  7. Lynn A. Tetrault Director
    Planned sale
    $3.7M 37,000 shares at $100.32 84% of stake
    Traded Jun 22 Filed Jun 24
  8. Christopher Paul German Corporate Controller & CAO
    Sale
    $428K 4,643 shares at $92.21 100% of stake
    Traded May 15 Filed May 19
  9. Christopher Paul German Corporate Controller & CAO
    Sale
    $503K 5,614 shares at $89.56 97% of stake
    Traded Mar 4 Filed Mar 6
  10. Hunter C Smith CFO
    Planned sale
    $806K 7,954 shares at $101.31 6.7% of stake
    Traded Feb 17–19 Filed Feb 19
  11. Hunter C Smith CFO
    Planned sale
    $709K 7,071 shares at $100.21 5.6% of stake
    Traded Feb 10–12 Filed Feb 12
  12. Hunter C Smith CFO
    Planned sale
    $703K 6,628 shares at $106.03 5% of stake
    Traded Feb 4–5 Filed Feb 6
  13. Pamela J. Cramer Chief Human Resources Officer
    Planned sale
    $372K 3,350 shares at $111.00 14% of stake
    Traded Dec 11, 2025 Filed Dec 15, 2025
  14. Pamela J. Cramer Chief Human Resources Officer
    Planned sale
    $352K 3,350 shares at $105.00 14% of stake
    Traded Nov 20, 2025 Filed Nov 24, 2025
  15. Pamela J. Cramer Chief Human Resources Officer
    Planned sale
    $2.3M 22,866 shares at $99.00 52% of stake
    Traded Nov 7–10 Filed Nov 12, 2025

Also filed in the last 12 months, not counted as buying or selling: 38 option exercises, 9 share withholdings for taxes, and 2 other transactions.

SEC filings

Recent issuer filings from EDGAR, 17 shown.

Filed Form Detail Links
SCHEDULE 13G —
8-K 2.02,7.01,8.01,9.01
10-Q
8-K 5.07
8-K 7.01,8.01,9.01
DEFA14A
SCHEDULE 13G/A —
8-K 2.02,9.01
10-Q
DEFA14A
SCHEDULE 13G —
DEF 14A
8-K 5.02,7.01,9.01
SCHEDULE 13G/A —
8-K 7.01,8.01,9.01
8-K 7.01,8.01,9.01
8-K 7.01,8.01,9.01

Financials

US-GAAP annual figures by fiscal year, as tagged in Form 10-K. Each value links to its SEC filing.

Income statement

Metric FY2023 FY2024 FY2025
Revenue $77.43M $130.13M $189.76M
Gross profit * $68.13M $116.76M $170.26M
Gross margin * 88.0% 89.7% 89.7%
Net income -$184.68M -$260.6M -$196.54M
Net margin * -238.5% -200.3% -103.6%

Balance sheet

Metric FY2023 FY2024 FY2025
Total current assets $308.27M $374.2M $466.92M
Total non-current assets * $24.48M $18.07M $13.28M
Total assets $332.74M $392.27M $480.2M
Total current liabilities $55.2M $115.52M $105.94M
Total non-current liabilities * $107.78M $112.21M $104.23M
Total equity $169.76M $21.73M $139.07M

Cash flow

Metric FY2023 FY2024 FY2025
Cash from operations -$136.16M -$113.88M -$115.68M
Cash from investing -$5.66M -$48.17M -$137.15M
Cash from financing $74.37M $191.24M $217.96M
Net change in cash -$67.6M $29.19M -$34.78M

Ownership over time

13Fs that reported it each quarter. Click a bar for that quarter’s holders.