Who owns CMI? 13F holders and whale ownership
CMI is tracked across public portfolios in Whale Analyzer. This page answers who owns CMI, which top funds are buying CMI, aggregate disclosed value, and recent position changes based on public data. Chris Bloomstran is the largest reported holder at $21M; 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 $149.26. Top tracked holders include Chris Bloomstran and Robert Robotti.
Continue to the live CMI dashboardTop holders
| Investor | Reported value | Shares | Change |
|---|---|---|---|
| Chris Bloomstran 13F portfolio Semper Augustus Investments holdings | $21.3M | 39.5K | Reduced |
| Robert Robotti 13F portfolio Robotti & Co holdings | $295.9K | 550 | Held |
Ownership concentration
Reported ownership of CMI is highly concentrated across tracked institutions.
- Single largest holder: 98.6% of reported ownership
- Top 5 holders: 100.0%
- Top 10 holders: 100.0%
Whale activity this quarter
Across 2 tracked institutions, 1 reduced, 1 held. Net positioning is net selling.
- Chris Bloomstran — Semper Augustus Investments ($21.3M) (▼ 0.6% qoq shares) · avg cost $144.01
- Robert Robotti — Robotti & Co ($295.9K) (→ 0.0% qoq shares) · avg cost $526.69
Whale cost basis vs current price
The aggregate tracked cost basis is $149.26 versus a current price of $685.87, so CMI trades above its cost basis (+359.5%). Average unrealized P&L across tracked holders: 195%.
Sector positioning — Industrials
CMI sits within the Industrials sector alongside 85 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 CMI dashboard for price charts and cross-investor scans, or read the SEC 13F guide.
Related stock holder pages
- BRK.B whale holders — BERKSHIRE HATHAWAY INC DEL
- BRK-A whale holders — BERKSHIRE HATHAWAY INC DEL
- DG whale holders — DOLLAR GEN CORP
- DECK whale holders — DECKERS OUTDOOR CORP
- ALK whale holders — ALASKA AIR GROUP INC
- OLN whale holders — OLIN CORP
- DLTR whale holders — DOLLAR TREE INC
- NEMCL whale holders — NEWMONT CORP
Learn more in Whale Analyzer Academy
Deepen your read on CMI with these Whale Analyzer Academy guides:
Frequently asked questions
Who owns CMI stock?
Whale Analyzer tracks 2 public institutional holders of CMI with a combined reported value of $21.6M. See the holder table above for the largest tracked positions.
Which top funds are buying CMI?
Tracked institutions were net selling last quarter — 1 reduced, 1 held. Check the "Change" column: "New" = fresh position, "Increased" = added, "Reduced" = trimmed.
How concentrated is CMI ownership?
The top five tracked holders report 100.0% of aggregate ownership.
Is CMI above or below the whale cost basis?
The aggregate tracked cost basis is $149.26 versus a current price of $685.87 (+359.5%).
What does 13F ownership mean for CMI?
Use the interactive CMI dashboard on Whale Analyzer for real-time holder analysis, or read our 13F Alpha Signals Guide.