Who owns TRMB? 13F holders and whale ownership
TRMB is tracked across public portfolios in Whale Analyzer. This page answers who owns TRMB, which top funds are buying TRMB, aggregate disclosed value, and recent position changes based on public data. Al Gore / David Blood is the largest reported holder at $508M; the top five funds control 100.0% of reported ownership; institutions were net buying last quarter (2 increased, 1 reduced); the stock trades above the aggregate whale cost basis of $48.74. Top tracked holders include Al Gore / David Blood, PRIMECAP Management, and Cathie Wood.
Continue to the live TRMB dashboardTop holders
| Investor | Reported value | Shares | Change |
|---|---|---|---|
| Al Gore / David Blood 13F portfolio Generation Investment Management holdings | $507.5M | 7.8M | Increased |
| PRIMECAP Management 13F portfolio PRIMECAP Management Company holdings | $255.6M | 3.9M | Reduced |
| Cathie Wood 13F portfolio ARK Investment Management holdings | $81.4M | 1.2M | Increased |
Ownership concentration
Reported ownership of TRMB is highly concentrated across tracked institutions.
- Single largest holder: 60.1% of reported ownership
- Top 5 holders: 100.0%
- Top 10 holders: 100.0%
Whale activity this quarter
Across 3 tracked institutions, 2 increased, 1 reduced. Net positioning is net buying.
- Al Gore / David Blood — Generation Investment Management ($507.5M) (▲ 2.5% qoq shares)
- PRIMECAP Management — PRIMECAP Management Company ($255.6M) (▼ 0.3% qoq shares) · avg cost $70.75
- Cathie Wood — ARK Investment Management ($81.4M) (▲ 22.2% qoq shares) · avg cost $48.12
Whale cost basis vs current price
The aggregate tracked cost basis is $48.74 versus a current price of $50.70, so TRMB trades above its cost basis (+4.0%). Average unrealized P&L across tracked holders: 16%.
Sector positioning — Information Technology
TRMB sits within the Information Technology sector alongside 131 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 TRMB 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 TRMB with these Whale Analyzer Academy guides:
Frequently asked questions
Who owns TRMB stock?
Whale Analyzer tracks 3 public institutional holders of TRMB with a combined reported value of $844.5M. See the holder table above for the largest tracked positions.
Which top funds are buying TRMB?
Tracked institutions were net buying last quarter — 2 increased, 1 reduced. Check the "Change" column: "New" = fresh position, "Increased" = added, "Reduced" = trimmed.
How concentrated is TRMB ownership?
The top five tracked holders report 100.0% of aggregate ownership.
Is TRMB above or below the whale cost basis?
The aggregate tracked cost basis is $48.74 versus a current price of $50.70 (+4.0%).
What does 13F ownership mean for TRMB?
Use the interactive TRMB dashboard on Whale Analyzer for real-time holder analysis, or read our 13F Alpha Signals Guide.