Who owns SUNB? 13F holders and whale ownership
SUNB is tracked across public portfolios in Whale Analyzer. This page answers who owns SUNB, which top funds are buying SUNB, aggregate disclosed value, and recent position changes based on public data. Dodge & Cox is the largest reported holder at $4.10B; the top five funds control 97.7% of reported ownership; institutions were net selling last quarter (3 increased, 5 reduced); the stock trades above the aggregate whale cost basis of $62.28. Top tracked holders include Dodge & Cox, Ruane, Cunniff & Goldfarb, Baillie Gifford, and Turtle Creek Asset Management.
Continue to the live SUNB dashboardTop holders
| Investor | Reported value | Shares | Change |
|---|---|---|---|
| Dodge & Cox 13F portfolio Dodge & Cox holdings | $4.10B | 54.8M | Increased |
| Ruane, Cunniff & Goldfarb 13F portfolio Ruane, Cunniff & Goldfarb holdings | $318.8M | 4.3M | Reduced |
| Baillie Gifford 13F portfolio Baillie Gifford & Co holdings | $215.1M | 2.9M | Reduced |
| Turtle Creek Asset Management 13F portfolio Turtle Creek Asset Management holdings | $115.9M | 1.5M | Reduced |
| Dorsey Asset Management 13F portfolio Dorsey Asset Management holdings | $86.1M | 1.2M | Reduced |
| Tom Gayner 13F portfolio Markel Group holdings | $72.9M | 974.4K | Increased |
| George Soros 13F portfolio Soros Fund Management holdings | $38.6M | 516.0K | Reduced |
| Chris Bloomstran 13F portfolio Semper Augustus Investments holdings | $207.5K | 2.8K | New |
Ownership concentration
Reported ownership of SUNB is highly concentrated across tracked institutions.
- Single largest holder: 82.9% of reported ownership
- Top 5 holders: 97.7%
- Top 10 holders: 100.0%
Whale activity this quarter
Across 8 tracked institutions, 5 reduced, 3 increased. Net positioning is net selling.
- Dodge & Cox — Dodge & Cox ($4.10B) (▲ 3.1% qoq shares) · avg cost $63.35
- Ruane, Cunniff & Goldfarb — Ruane, Cunniff & Goldfarb ($318.8M) (▼ 22.4% qoq shares) · avg cost $56.82
- Baillie Gifford — Baillie Gifford & Co ($215.1M) (▼ 5.3% qoq shares) · avg cost $62.10
- Turtle Creek Asset Management — Turtle Creek Asset Management ($115.9M) (▼ 29.6% qoq shares) · avg cost $53.80
- Dorsey Asset Management — Dorsey Asset Management ($86.1M) (▼ 47.8% qoq shares) · avg cost $42.56
- Tom Gayner — Markel Group ($72.9M) (▲ 1.1% qoq shares) · avg cost $63.36
- George Soros — Soros Fund Management ($38.6M) (▼ 5.5% qoq shares) · avg cost $62.04
- Chris Bloomstran — Semper Augustus Investments ($207.5K) · avg cost $63.09
Whale cost basis vs current price
The aggregate tracked cost basis is $62.28 versus a current price of $68.59, so SUNB trades above its cost basis (+10.1%). Average unrealized P&L across tracked holders: 39%.
Sector positioning — Industrials
SUNB sits within the Industrials sector alongside 69 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 SUNB dashboard for price charts and cross-investor scans, or read the SEC 13F guide.
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Learn more in Whale Analyzer Academy
Deepen your read on SUNB with these Whale Analyzer Academy guides:
Frequently asked questions
Who owns SUNB stock?
Whale Analyzer tracks 8 public institutional holders of SUNB with a combined reported value of $4.94B. See the holder table above for the largest tracked positions.
Which top funds are buying SUNB?
Tracked institutions were net selling last quarter — 5 reduced, 3 increased. Check the "Change" column: "New" = fresh position, "Increased" = added, "Reduced" = trimmed.
How concentrated is SUNB ownership?
The top five tracked holders report 97.7% of aggregate ownership.
Is SUNB above or below the whale cost basis?
The aggregate tracked cost basis is $62.28 versus a current price of $68.59 (+10.1%).
What does 13F ownership mean for SUNB?
Use the interactive SUNB dashboard on Whale Analyzer for real-time holder analysis, or read our 13F Alpha Signals Guide.