Mesa Laboratories Inc (MLAB)
Technology
Scientific & Technical Instruments
100.80 $
-0.2%
vs. previous close
Closing price · As of: 31. Jul 2026
Who owns Mesa Laboratories Inc (MLAB)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 89.2% of the shares are freely tradable; institutional investors hold 93.8%.
Ownership Structure
Institutional ownership
Share of the stock held by institutional investors (funds, banks, insurers) according to regulatory filings.
93.8%
Insiders
Share of the stock held by the executives, founders and major shareholders of the company itself.
5.7%
Float
Share of stock freely tradable on the market — not locked up in the hands of founders, insiders, or major shareholders.
89.2%
Short % of float
Shares sold short as a percentage of the freely tradable float — high values signal many bets on falling prices.
6.3%
Shares Outstanding
Total number of shares issued. Price times share count gives market cap.
6Mio.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Long Path Partners, LP | 7.34 | 405,583 | +78.5 | 03/31/2026 |
| BlackRock Inc | 7.13 | 393,851 | -1.2 | 03/31/2026 |
| Vanguard Group Inc | 5.83 | 321,899 | +0.1 | 12/31/2025 |
| Boston Partners Global Investors, Inc | 4.86 | 268,711 | +25.9 | 03/31/2026 |
| Select Equity Group LP | 4.27 | 235,885 | +14.3 | 03/31/2026 |
| Vanguard Capital Management, LLC | 4.21 | 232,643 | +0.0 | 03/31/2026 |
| Ranger Investment Management LP | 3.67 | 202,903 | -1.1 | 03/31/2026 |
| AQR Capital Management LLC | 3.09 | 170,562 | +143.2 | 03/31/2026 |
| Morgan Stanley - Brokerage Accounts | 2.93 | 162,116 | -7.7 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 2.97 | 164,211 | +0.0 | 04/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.