Who owns GTLB? 13F holders and whale ownership
GTLB is tracked across public portfolios in Whale Analyzer. This page answers who owns GTLB, which top funds are buying GTLB, aggregate disclosed value, and recent position changes based on public data. HMI Capital is the largest reported holder at $57M; the top five funds control 100.0% of reported ownership; institutions were net selling last quarter (0 increased, 2 reduced); the stock trades below the aggregate whale cost basis of $32.03. Top tracked holders include HMI Capital and Cathie Wood.
Continue to the live GTLB dashboardTop holders
| Investor | Reported value | Shares | Change |
|---|---|---|---|
| HMI Capital 13F portfolio HMI Capital Management holdings | $57.4M | 2.7M | Reduced |
| Cathie Wood 13F portfolio ARK Investment Management holdings | $17.9M | 826.9K | Reduced |
Ownership concentration
Reported ownership of GTLB is highly concentrated across tracked institutions.
- Single largest holder: 76.2% of reported ownership
- Top 5 holders: 100.0%
- Top 10 holders: 100.0%
Whale activity this quarter
Across 2 tracked institutions, 2 reduced. Net positioning is net selling.
- HMI Capital — HMI Capital Management ($57.4M) (▼ 38.2% qoq shares)
- Cathie Wood — ARK Investment Management ($17.9M) (▼ 4.2% qoq shares) · avg cost $32.03
Whale cost basis vs current price
The aggregate tracked cost basis is $32.03 versus a current price of $29.07, so GTLB trades below its cost basis (-9.3%). Average unrealized P&L across tracked holders: -17%.
Sector positioning — Other
GTLB sits within the Other sector alongside 670 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 GTLB 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 GTLB with these Whale Analyzer Academy guides:
Frequently asked questions
Who owns GTLB stock?
Whale Analyzer tracks 2 public institutional holders of GTLB with a combined reported value of $75.3M. See the holder table above for the largest tracked positions.
Which top funds are buying GTLB?
Tracked institutions were net selling last quarter — 2 reduced. Check the "Change" column: "New" = fresh position, "Increased" = added, "Reduced" = trimmed.
How concentrated is GTLB ownership?
The top five tracked holders report 100.0% of aggregate ownership.
Is GTLB above or below the whale cost basis?
The aggregate tracked cost basis is $32.03 versus a current price of $29.07 (-9.3%).
What does 13F ownership mean for GTLB?
Use the interactive GTLB dashboard on Whale Analyzer for real-time holder analysis, or read our 13F Alpha Signals Guide.