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Madrigal Pharmaceuticals Inc (MDGL)

Healthcare Biotechnology
467.30 $
-5.2% vs. previous close
Closing price · As of: 31. Jul 2026

Who owns Madrigal Pharmaceuticals Inc (MDGL)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 60.7% of the shares are freely tradable; institutional investors hold 106.5%.

Ownership Structure

Institutional ownership
106.5%
Insiders
5.7%
Float
60.7%
Short % of float
19.3%
Shares Outstanding
23Mio.

Largest Shareholders

Institutions

Institutions MDGL
Name Stake (%) Shares Change (%) Date
Baker Bros Advisors LP 9.29 2,141,701 +0.0 03/31/2026
HHG PLC 8.76 2,018,647 +27.4 03/31/2026
RTW INVESTMENTS, LLC 8.65 1,993,687 +0.0 03/31/2026
venBio Select Advisor LLC 7.89 1,818,181 +0.6 03/31/2026
Vanguard Group Inc 7.85 1,808,894 -0.2 12/31/2025
BlackRock Inc 6.77 1,559,965 -5.2 03/31/2026
Paulson & Company Inc 6.04 1,392,188 -18.5 03/31/2026
Vanguard Portfolio Management, LLC 3.65 841,145 +0.0 03/31/2026
Vanguard Capital Management, LLC 3.59 827,144 +0.0 03/31/2026
Wellington Management Company LLP 3.01 694,958 +50.6 03/31/2026

Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.

Insider Transactions

Insider Transactions
Date Person Role Type Shares Price Value
20. Jul 2026 Sibold William John President and CEO Sell 280 555.05 155,414
20. Jul 2026 Sibold William John President and CEO Sell 1 550.72 551
20. Jul 2026 Sibold William John President and CEO Sell 153 550.01 84,152
20. Jul 2026 Sibold William John President and CEO Sell 47 548.87 25,797
20. Jul 2026 Sibold William John President and CEO Sell 680 547.70 372,435
20. Jul 2026 Sibold William John President and CEO Sell 269 547.08 147,164
20. Jul 2026 Sibold William John President and CEO Sell 275 545.71 150,070
20. Jul 2026 Sibold William John President and CEO Sell 545 544.71 296,869
20. Jul 2026 Sibold William John President and CEO Sell 110 543.79 59,817
20. Jul 2026 Sibold William John President and CEO Sell 140 542.75 75,984
17. Jul 2026 Sibold William John President and CEO Other 50,000

Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character.

View all insider transactions →

Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)

Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.

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