Institutional Ownership
Mesa Labs Inc
CUSIP 59064R109COMMLABQ1 2026
13D / 13G Filings
37
Schedule 13D/13G on record
Beneficial Filers
11
Distinct reporting persons
Largest Stake
17.6%
Max % of class reported
Institutional Holders
155
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
37 filings · latest Mar 13, 2026
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Mar 13, 2026 | Long Path Smaller Companies Fund, LP | 13G | 5.6% | 311.7K | SEC |
| 2 | Oct 31, 2025 | The Vanguard Group | 13G/A | 5.8% | 321.7K | SEC |
| 3 | Oct 2, 2025 | Blackrock, Inc. | 13G/A | 6.9% | 378.9K | SEC |
| 4 | Jul 18, 2025 | Blackrock, Inc. | 13G/A | 14.4% | 783.0K | SEC |
| 5 | Apr 30, 2025 | Royce &Amp; Associates LP | 13G/A | 5.0% | 271.1K | SEC |
| 6 | Jan 28, 2025 | Royce &Amp; Associates LP | 13G/A | 5.3% | 287.2K | SEC |
| 7 | Jan 10, 2025 | Conestoga Capital Advisors | 13G/A | 11.4% | 618.11B | SEC |
| 8 | Oct 15, 2024 | Royce & Associates LP | 13G/A | 6.4% | 347.1K | SEC |
| 9 | Feb 13, 2024 | Vanguard Group Inc | 13G/A | 6.9% | 370.3K | SEC |
| 10 | Jan 23, 2024 | Royce & Associates LP | 13G/A | — | 269.6K | SEC |
27 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Mesa Labs Inc.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Long Path Partners LP | 405.6K | $35.86M |
| 2 | Blackrock, Inc. | 393.9K | $34.82M |
| 3 | Boston Partners | 268.7K | $23.76M |
| 4 | Select Equity Group, L.P. | 235.9K | $20.86M |
| 5 | Ranger Investment Management, L.P. | 202.9K | $17.94M |
| 6 | Aqr Capital Management LLC | 170.6K | $15.08M |
| 7 | Morgan Stanley | 162.1K | $14.33M |
| 8 | Royce & Associates LP | 161.2K | $14.26M |
| 9 | Diamond Hill Capital Management Inc | 155.3K | $13.73M |
| 10 | Kennedy Capital Management LLC | 142.3K | $12.59M |