Mesa Laboratories Inc
MLAB- Exchange
- Nasdaq
- Industry
- Industrial Instruments For Measurement, Display, and Control
- SEC CIK
- 0000724004
In the last 90 days, Mesa Laboratories Inc insiders filed 2 open-market purchases and 1 sale; 159 institutions reported holding it in 13F filings for Q2 2026, worth $500.8M in total; no superinvestor holds it.
13F holders, Q2 2026
Institutional positions in Mesa Laboratories Inc as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 159
- +2 vs. Q1 2026
- Shares held
- 5.03M
- +281.7K (+5.9%) vs. Q1 2026
- Total value
- $500.8M
- +$81.1M (+19.3%) vs. Q1 2026
- New holders
- 20
- 73 more added
- Sold out
- 18
- 38 more reduced
4 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting MLAB on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 159 | $500.8M |
| Q1 2026 | 161 | $426.6M |
| Q4 2025 | 159 | $372.5M |
| Q3 2025 | 141 | $334.3M |
| Q2 2025 | 155 | $492.6M |
| Q1 2025 | 151 | $613.4M |
| Q4 2024 | 157 | $674.5M |
| Q3 2024 | 166 | $634.7M |
| Q2 2024 | 155 | $424.9M |
| Q1 2024 | 155 | $591.3M |
| Q4 2023 | 158 | $538.1M |
| Q3 2023 | 154 | $515.1M |
| Q2 2023 | 161 | $630.0M |
| Q1 2023 | 160 | $878.8M |
| Q4 2022 | 160 | $846.5M |
| Q3 2022 | 164 | $680.9M |
| Q2 2022 | 175 | $1.00B |
| Q1 2022 | 175 | $1.24B |
| Q4 2021 | 178 | $1.57B |
| Q3 2021 | 172 | $1.44B |
| Q2 2021 | 159 | $1.28B |
| Q1 2021 | 173 | $1.12B |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding Mesa Laboratories Inc; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Long Path Partners LP | 477,126 | $47.5M | 20.24% | +71,543+17.6% | Added |
| BlackRock, Inc. | 440,552 | $43.9M | 0.00% | +46,701+11.9% | Added |
| Boston Partners | 265,149 | $26.4M | 0.02% | −3,562−1.3% | Reduced |
| Vanguard Capital Management LLC | 237,457 | $23.6M | 0.00% | +4,814+2.1% | Added |
| AQR Capital Management LLC | 203,739 | $20.3M | 0.01% | +33,177+19.5% | Added |
| Ranger Investment Management, L.P. | 173,988 | $17.3M | 1.10% | −28,915−14.3% | Reduced |
| Morgan Stanley | 156,979 | $15.6M | 0.00% | −5,137−3.2% | Reduced |
| Diamond Hill Capital Management Inc | 155,771 | $15.5M | 0.12% | +469+0.3% | Added |
| Raymond James Financial Inc | 149,937 | $14.9M | 0.00% | +27,026+22.0% | Added |
| Dimensional Fund Advisors LP | 148,395 | $14.8M | 0.00% | +23,765+19.1% | Added |
| Geode Capital Management, LLC | 139,682 | $13.9M | 0.00% | +11,680+9.1% | Added |
| Kennedy Capital Management, Inc. | 138,301 | $13.8M | 0.24% | −4,042−2.8% | Reduced |
| Jacobs Levy Equity Management, Inc | 130,838 | $13.0M | 0.05% | +86,421+194.6% | Added |
| State Street Corp | 124,292 | $12.4M | 0.00% | +2,224+1.8% | Added |
| Russell Investments Group, Ltd. | 121,845 | $12.1M | 0.01% | −13,224−9.8% | Reduced |
| Wasatch Advisors Inc | 115,668 | $11.5M | 0.08% | +64,435+125.8% | Added |
| Royce & Associates LP | 113,395 | $11.3M | 0.09% | −47,834−29.7% | Reduced |
| Crawford Investment Counsel Inc | 98,805 | $9.84M | 0.16% | +3,270+3.4% | Added |
| FMR LLC | 88,857 | $8.85M | 0.00% | +82,387+1,273.4% | Added |
| D. E. Shaw & Co., Inc. | 81,755 | $8.14M | 0.01% | +27,197+49.8% | Added |
| Jane Street Group, LLC | 71,580 | $7.13M | 0.00% | +71,580 | New |
| Vanguard Portfolio Management LLC | 69,350 | $6.90M | 0.00% | +16,764+31.9% | Added |
| Meros Investment Management, LP | 67,962 | $6.77M | 2.15% | −70−0.1% | Reduced |
| Northern Trust Corp | 65,745 | $6.54M | 0.00% | −3,519−5.1% | Reduced |
| Goldman Sachs Group Inc | 64,322 | $6.40M | 0.00% | −6,295−8.9% | Reduced |
| Gabelli Funds LLC | 62,499 | $6.22M | 0.04% | 00.0% | Unchanged |
| Monimus Capital Management, LP | 55,344 | $5.51M | 1.40% | −45,948−45.4% | Reduced |
| Charles Schwab Investment Management Inc | 54,463 | $5.42M | 0.00% | −7,961−12.8% | Reduced |
| Bank of America Corp | 49,952 | $4.97M | 0.00% | −7,919−13.7% | Reduced |
| Bank of New York Mellon Corp | 45,602 | $4.54M | 0.00% | +1,665+3.8% | Added |
| Herald Investment Management Ltd | 42,500 | $4.23M | 0.57% | −7,500−15.0% | Reduced |
| Vanguard Fiduciary Trust Co | 39,536 | $3.94M | 0.00% | +1,199+3.1% | Added |
| Qube Research & Technologies Ltd | 37,402 | $3.72M | 0.00% | +37,402 | New |
| Citadel Advisors LLC | 35,890 | $3.57M | 0.00% | +27,467+326.1% | Added |
| Jupiter Topco LLC | 30,996 | $3.09M | 0.00% | +30,996 | New |
| Two Sigma Investments, LP | 29,239 | $2.91M | 0.00% | +12,880+78.7% | Added |
| Renaissance Technologies LLC | 28,900 | $2.88M | 0.00% | −2,700−8.5% | Reduced |
| BBR Partners, LLC | 25,195 | $2.51M | 0.12% | 00.0% | Unchanged |
| Man Group plc | 24,070 | $2.40M | 0.00% | +21,593+871.7% | Added |
| Point72 Asset Management, L.P. | 22,514 | $2.24M | 0.00% | +6,205+38.0% | Added |
| Franklin Resources Inc | 21,905 | $2.18M | 0.00% | +352+1.6% | Added |
| American Century Companies Inc | 20,364 | $2.03M | 0.00% | +6,991+52.3% | Added |
| Rice Hall James & Associates, LLC | 18,968 | $1.89M | 0.09% | +4,746+33.4% | Added |
| State of Wisconsin Investment Board | 18,906 | $1.88M | 0.00% | −100−0.5% | Reduced |
| Segall Bryant & Hamill, LLC | 18,108 | $1.80M | 0.02% | −66−0.4% | Reduced |
| Numerai GP LLC | 17,769 | $1.77M | 0.14% | +6,817+62.2% | Added |
| XTX Topco Ltd | 17,475 | $1.74M | 0.02% | +11,274+181.8% | Added |
| King Luther Capital Management Corp | 17,411 | $1.73M | 0.01% | 00.0% | Unchanged |
| Creative Planning | 16,615 | $1.65M | 0.00% | +1,621+10.8% | Added |
| Royal Bank of Canada | 14,803 | $1.47M | 0.00% | +1,528+11.5% | Added |
| Engineers Gate Manager LP | 14,731 | $1.47M | 0.02% | +10,965+291.2% | Added |
| Mariner, LLC | 14,407 | $1.43M | 0.00% | +5,441+60.7% | Added |
| Wells Fargo & Company | 14,386 | $1.43M | 0.00% | +12,470+650.8% | Added |
| NFJ Investment Group, LLC | 14,256 | $1.42M | 0.05% | +14,256 | New |
| Nuveen, LLC | 13,896 | $1.38M | 0.00% | +3,757+37.1% | Added |
| Ieq Capital, LLC | 13,580 | $1.35M | 0.01% | +3,922+40.6% | Added |
| Principal Financial Group Inc | 12,069 | $1.20M | 0.00% | +981+8.8% | Added |
| Invesco Ltd. | 11,862 | $1.18M | 0.00% | −2,241−15.9% | Reduced |
| Globeflex Capital L P | 11,581 | $1.15M | 0.15% | +743+6.9% | Added |
| Stifel Financial Corp | 11,202 | $1.12M | 0.00% | −161−1.4% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 10,010 | $996.5K | 0.02% | +3,695+58.5% | Added |
| Envestnet Asset Management Inc | 8,816 | $877.7K | 0.00% | +192+2.2% | Added |
| Marshall Wace, LLP | 8,740 | $870.1K | 0.00% | +8,740 | New |
| CM Wealth Advisors LLC | 8,341 | $830.3K | 0.15% | +8,341 | New |
| Gamco Investors, Inc. Et Al | 8,340 | $830.2K | 0.01% | +506+6.5% | Added |
| UBS Group AG | 7,773 | $773.8K | 0.00% | −4,273−35.5% | Reduced |
| CenterBook Partners LP | 7,739 | $770.4K | 0.04% | −6,455−45.5% | Reduced |
| Quadrature Capital Ltd | 7,682 | $764.7K | 0.01% | −1,011−11.6% | Reduced |
| Vident Advisory, LLC | 7,608 | $757.4K | 0.01% | 00.0% | Unchanged |
| Cerity Partners LLC | 7,413 | $738.0K | 0.00% | +168+2.3% | Added |
| Los Angeles Capital Management LLC | 7,388 | $735.5K | 0.00% | +7,354+21,629.4% | Added |
| Quantinno Capital Management LP | 7,067 | $703.5K | 0.00% | +2,749+63.7% | Added |
| SEI Investments Co | 6,759 | $672.9K | 0.00% | −644−8.7% | Reduced |
| Mercer Global Advisors Inc | 6,756 | $672.6K | 0.00% | +3,656+117.9% | Added |
| Rhumbline Advisers | 6,560 | $653.0K | 0.00% | +13+0.2% | Added |
| Canada Pension Plan Investment Board | 6,300 | $627.2K | 0.00% | −500−7.4% | Reduced |
| LPL Financial LLC | 6,044 | $601.7K | 0.00% | +1,491+32.7% | Added |
| Alliancebernstein L.P. | 6,500 | $574.7K | 0.00% | +1,198+22.6% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 5,607 | $558.2K | 0.00% | +291+5.5% | Added |
| State Board of Administration of Florida Retirement System | 5,445 | $542.0K | 0.00% | +2,881+112.4% | Added |
| Deutsche Bank AG | 5,380 | $535.6K | 0.00% | +337+6.7% | Added |
| Brevan Howard Capital Management LP | 4,489 | $446.9K | 0.01% | +4,489 | New |
| Price T Rowe Associates Inc | 4,393 | $438.0K | 0.00% | +756+20.8% | Added |
| Magnetar Financial LLC | 4,139 | $412.0K | 0.00% | +4,139 | New |
| Wealth Enhancement Advisory Services, LLC | 4,275 | $408.7K | 0.00% | +1,051+32.6% | Added |
| JPMorgan Chase & Co | 3,949 | $393.0K | 0.00% | +262+7.1% | Added |
| STRS Ohio | 3,700 | $368.3K | 0.00% | +3,700 | New |
| Seizert Capital Partners, LLC | 3,446 | $343.0K | 0.01% | +3,446 | New |
| Captrust Financial Advisors | 3,273 | $325.8K | 0.00% | +912+38.6% | Added |
| Prelude Capital Management, LLC | 3,141 | $312.7K | 0.02% | +3,141 | New |
| MetLife Investment Management | 3,094 | $308.0K | 0.00% | +206+7.1% | Added |
| Dynamic Technology Lab Private Ltd | 2,921 | $291.0K | 0.07% | +2,921 | New |
| Graham Capital Management, L.P. | 2,859 | $284.6K | 0.01% | −470−14.1% | Reduced |
| Integrated Quantitative Investments LLC | 2,590 | $257.8K | 0.04% | +2,590 | New |
| Citigroup Inc | 2,510 | $249.9K | 0.00% | +2,138+574.7% | Added |
| Kings Path Partners LLC | 2,433 | $242.2K | 0.06% | −972−28.5% | Reduced |
| CI Private Wealth, LLC | 2,423 | $241.2K | 0.00% | +2,423 | New |
| Topline Capital Management, LLC | 2,374 | $236.3K | 0.06% | +2,374 | New |
| Baird Financial Group, Inc. | 2,325 | $231.5K | 0.00% | +2,325 | New |
| New York State Common Retirement Fund | 2,143 | $213.3K | 0.00% | 00.0% | Unchanged |