Who owns MESA LABORATORIES INC /CO/?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from SEC filings.
Institutional ownership of MLAB from SEC Form 13F filings across 108 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 108 institutions disclosed 3.0M shares of MESA LABORATORIES INC /CO/ worth $296.4M — about 52.8% of shares outstanding; the largest disclosed holder is Long Path Partners LP. Source: SEC Form 13F filings, parsed by EvidInvest.
108
13F holders
$296.4M
value, 2026 filers
52.8%
of shares outstanding (3.0M sh)
14
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30· % of fund = share of the manager's own book · % of co. = share of MLAB's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | Long Path Partners LP | 477,126 | $47.5M | 20.2% | 8.4% | +17.6% |
| 2 | BlackRock, Inc. | 440,552 | $43.9M | 0.0% | 7.8% | +11.9% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 237,457 | $23.6M | 0.0% | 4.2% | -49.0% |
| 4 | MORGAN STANLEY | 156,979 | $15.6M | 0.0% | 2.8% | -3.2% |
| 5 | RAYMOND JAMES FINANCIAL INC | 149,937 | $14.9M | 0.0% | 2.7% | +22.0% |
| 6 | GEODE CAPITAL MANAGEMENT, LLC | 139,682 | $13.9M | 0.0% | 2.5% | +9.1% |
| 7 | Russell Investments Group, Ltd. | 121,845 | $12.1M | 0.0% | 2.2% | -9.8% |
| 8 | FMR LLC | 88,857 | $8.8M | 0.0% | 1.6% | +1273.4% |
| 9 | D. E. Shaw & Co., Inc. | 81,755 | $8.1M | 0.0% | 1.4% | +49.8% |
| 10 | JANE STREET GROUP, LLCNEW | 71,580 | $7.1M | 0.0% | 1.3% | new |
| 11 | VANGUARD PORTFOLIO MANAGEMENT LLC | 69,350 | $6.9M | 0.0% | 1.2% | +31.9% |
| 12 | NORTHERN TRUST CORP | 65,745 | $6.5M | 0.0% | 1.2% | -5.1% |
| 13 | GOLDMAN SACHS GROUP INC | 64,322 | $6.4M | 0.0% | 1.1% | -8.9% |
| 14 | Sixth Street Partners Management Company, L.P.NEW | 54,463 | $5.4M | 0.9% | 1% | new |
| 15 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 54,463 | $5.4M | 0.0% | 1% | -12.8% |
| 16 | BANK OF AMERICA CORP /DE/ | 49,952 | $5.0M | 0.0% | 0.9% | -13.7% |
| 17 | Bank of New York Mellon Corp | 45,602 | $4.5M | 0.0% | 0.8% | +3.8% |
| 18 | VANGUARD FIDUCIARY TRUST CO | 39,536 | $3.9M | 0.0% | 0.7% | +3.1% |
| 19 | Qube Research & Technologies LtdNEW | 37,402 | $3.7M | 0.0% | 0.7% | new |
| 20 | CITADEL ADVISORS LLC | 35,890 | $3.6M | 0.0% | 0.6% | +326.1% |
| 21 | Jupiter Topco LLCNEW | 30,996 | $3.1M | 0.0% | 0.5% | new |
| 22 | TWO SIGMA INVESTMENTS, LP | 29,239 | $2.9M | 0.0% | 0.5% | +78.7% |
| 23 | Man Group plc | 24,070 | $2.4M | 0.0% | 0.4% | +871.7% |
| 24 | Point72 Asset Management, L.P. | 22,514 | $2.2M | 0.0% | 0.4% | +38.0% |
| 25 | FRANKLIN RESOURCES INC | 21,905 | $2.2M | 0.0% | 0.4% | +1.6% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.