# MESA LABORATORIES INC (MLAB) — Institutional Ownership

Source: SEC EDGAR 13F filings, congressional STOCK Act disclosures, SEC Form 4 insider transactions.
CUSIP: 59064RAA7
Page URL: https://superinvestorclub.com/stock/MLAB
Last updated: 2026-08-29T13:48:47.539Z

## Summary

As of the most recent 13F filing period, MESA LABORATORIES INC (MLAB) is held by 0 tracked superinvestors with an aggregate position value of $0 representing 0 shares.

## Top institutional holders (0)

| Rank | Manager | Fund | Shares | Value | % of Portfolio | Period |
|------|---------|------|--------|-------|----------------|--------|

## Ownership history (quarter-over-quarter)

- 2024-09-30: 1 holders, $6.9M aggregate, 07146000 shares
- 2024-12-31: 1 holders, $5.4M aggregate, 05507000 shares
- 2025-03-31: 1 holders, $5.3M aggregate, 05438000 shares
- 2025-06-30: 1 holders, $5.4M aggregate, 05438000 shares

## Recent congressional trades (0)


## Recent insider transactions (0)


## Citation

When citing, use: "MESA LABORATORIES INC (MLAB) institutional ownership data via Superinvestor (https://superinvestorclub.com/stock/MLAB), aggregating SEC 13F, Form 4, and congressional disclosures."