Whale Analyzer
Top public holders · 13F and disclosure aggregation

Who owns MDGL? 13F holders and whale ownership

MDGL is tracked across public portfolios in Whale Analyzer. This page answers who owns MDGL, which top funds are buying MDGL, aggregate disclosed value, and recent position changes based on public data. Baker Bros. Advisors is the largest reported holder at $1.12B; the top five funds control 100.0% of reported ownership; institutions were net selling last quarter (0 increased, 1 reduced); the stock trades above the aggregate whale cost basis of $133.16. Top tracked holders include Baker Bros. Advisors and John Paulson.

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NMS · latest quote
$512.65
+$6.90 (+1.4%)
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2Tracked holders
$1.85BAggregate reported value
2026-05-21Page updated
1 held, 1 reducedRecent changes

Top holders

InvestorReported valueSharesChange
Baker Bros. Advisors 13F portfolio
Baker Bros. Advisors holdings
$1.12B2.1MHeld
John Paulson 13F portfolio
Paulson & Co holdings
$728.8M1.4MReduced

Ownership concentration

Reported ownership of MDGL is highly concentrated across tracked institutions.

Whale activity this quarter

Across 2 tracked institutions, 1 held, 1 reduced. Net positioning is net selling.

Whale cost basis vs current price

The aggregate tracked cost basis is $133.16 versus a current price of $512.65, so MDGL trades above its cost basis (+285.0%). Average unrealized P&L across tracked holders: 300%.

Sector positioning — Health Care

MDGL sits within the Health Care sector alongside 221 other tracked names. Compare whale ownership across peers:

How to use this page

Values are reported public positions from tracked 13F filers and disclosures — not real-time ownership totals. Open the live MDGL dashboard for price charts and cross-investor scans, or read the SEC 13F guide.

This page is generated from public filings and public disclosures. It is for research and education only and is not investment advice.

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Learn more in Whale Analyzer Academy

Deepen your read on MDGL with these Whale Analyzer Academy guides:

Frequently asked questions

Who owns MDGL stock?

Whale Analyzer tracks 2 public institutional holders of MDGL with a combined reported value of $1.85B. See the holder table above for the largest tracked positions.

Which top funds are buying MDGL?

Tracked institutions were net selling last quarter — 1 held, 1 reduced. Check the "Change" column: "New" = fresh position, "Increased" = added, "Reduced" = trimmed.

How concentrated is MDGL ownership?

The top five tracked holders report 100.0% of aggregate ownership.

Is MDGL above or below the whale cost basis?

The aggregate tracked cost basis is $133.16 versus a current price of $512.65 (+285.0%).

What does 13F ownership mean for MDGL?

Use the interactive MDGL dashboard on Whale Analyzer for real-time holder analysis, or read our 13F Alpha Signals Guide.