Mesa Laboratories, Inc. · NASDAQ:MLAB
Mesa Laboratories, Inc. shareholders
As of Jun 30, 2026, 156 institutions reported holding Mesa Laboratories, Inc., 89.9% of its shares. Largest: Long Path Partners LP, BlackRock and Vanguard. New holders, exits, insiders and big stakes, each with its filing.
| Holder | Shares | % of Mesa Laboratories, Inc. | Change | Filed |
|---|---|---|---|---|
| Long Path Partners LP | 477K | 8.5% | +71,543 | Jul 31, 2026 |
| BlackRock | 441K | 7.9% | +46,701 | Aug 7, 2026 |
| Vanguard | 348K | 6.2% | +22,777 | Aug 13, 2026 |
| Boston Partners | 265K | 4.7% | −3,562 | Aug 4, 2026 |
| AQR Capital Management LLC | 204K | 3.6% | +33,177 | Aug 14, 2026 |
| Ranger Investment Management, L.P. | 174K | 3.1% | −28,915 | Aug 13, 2026 |
| Morgan Stanley | 157K | 2.8% | −5,137 | Aug 13, 2026 |
| Diamond Hill Capital Management, LLC (Investment Advisor) | 156K | 2.8% | +469 | Aug 6, 2026 |
| Raymond James Financial Inc | 150K | 2.7% | +27,026 | Aug 14, 2026 |
| Dimensional | 148K | 2.7% | +23,765 | Aug 11, 2026 |