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 2025
Institutional positions in Mesa Laboratories Inc as of Jun 30, 2025. 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
- 155
- +6 vs. Q1 2025
- Shares held
- 5.19M
- +184.9K (+3.7%) vs. Q1 2025
- Total value
- $489.1M
- −$105.0M (−17.7%) vs. Q1 2025
- New holders
- 25
- 48 more added
- Sold out
- 19
- 53 more reduced
2 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2025: 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 2025
Shares, value and share of portfolio for each institution holding Mesa Laboratories Inc; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 791,127 | $74.5M | 0.00% | −36,489−4.4% | Reduced |
| Conestoga Capital Advisors, LLC | 566,150 | $53.3M | 0.79% | −5,208−0.9% | Reduced |
| Vanguard Group Inc | 389,409 | $36.7M | 0.00% | +4,796+1.2% | Added |
| Royce & Associates LP | 247,606 | $23.3M | 0.24% | −23,512−8.7% | Reduced |
| Morgan Stanley | 218,796 | $20.6M | 0.00% | +2,506+1.2% | Added |
| Ranger Investment Management, L.P. | 214,290 | $20.2M | 1.41% | −16,698−7.2% | Reduced |
| State Street Corp | 211,835 | $20.0M | 0.00% | −7,708−3.5% | Reduced |
| Geneva Capital Management LLC | 199,092 | $18.8M | 0.31% | +9,780+5.2% | Added |
| Raymond James Financial Inc | 185,555 | $17.5M | 0.01% | −78,458−29.7% | Reduced |
| Glenmede Investment Management, LP | 142,508 | $13.4M | 0.07% | +142,508 | New |
| Geode Capital Management, LLC | 138,769 | $13.1M | 0.00% | +1,253+0.9% | Added |
| Dimensional Fund Advisors LP | 115,284 | $10.9M | 0.00% | +4,037+3.6% | Added |
| Janus Henderson Group PLC | 113,285 | $10.7M | 0.01% | +32,541+40.3% | Added |
| Select Equity Group, L.P. | 102,198 | $9.63M | 0.04% | +28,301+38.3% | Added |
| Northern Trust Corp | 92,732 | $8.74M | 0.00% | +10,288+12.5% | Added |
| Kennedy Capital Management, Inc. | 90,479 | $8.52M | 0.20% | −22,792−20.1% | Reduced |
| Russell Investments Group, Ltd. | 79,476 | $7.49M | 0.01% | −7,580−8.7% | Reduced |
| Ameriprise Financial Inc | 73,513 | $6.93M | 0.00% | −93,255−55.9% | Reduced |
| Renaissance Technologies LLC | 68,027 | $6.41M | 0.01% | +59,827+729.6% | Added |
| Bank of America Corp | 64,928 | $6.12M | 0.00% | −2,379−3.5% | Reduced |
| Charles Schwab Investment Management Inc | 61,764 | $5.82M | 0.00% | −3,700−5.7% | Reduced |
| Millennium Management LLC | 57,710 | $5.44M | 0.00% | +57,710 | New |
| Bank of New York Mellon Corp | 53,497 | $5.04M | 0.00% | −1,270−2.3% | Reduced |
| Crawford Investment Counsel Inc | 51,744 | $4.88M | 0.09% | +25,544+97.5% | Added |
| Comerica Bank | 44,263 | $4.17M | 0.02% | −220.0% | Reduced |
| Diamond Hill Capital Management Inc | 38,799 | $3.66M | 0.02% | +9,341+31.7% | Added |
| Royal Bank of Canada | 37,278 | $3.51M | 0.00% | +6,506+21.1% | Added |
| Meros Investment Management, LP | 36,618 | $3.45M | 1.64% | +4,654+14.6% | Added |
| UBS Group AG | 31,294 | $2.95M | 0.00% | +3,907+14.3% | Added |
| Principal Financial Group Inc | 29,778 | $2.81M | 0.00% | −13,881−31.8% | Reduced |
| Goldman Sachs Group Inc | 29,426 | $2.77M | 0.00% | +14,092+91.9% | Added |
| Citadel Advisors LLC | 26,873 | $2.53M | 0.00% | +20,791+341.8% | Added |
| Rice Hall James & Associates, LLC | 25,346 | $2.39M | 0.13% | −2,029−7.4% | Reduced |
| BBR Partners, LLC | 25,195 | $2.37M | 0.15% | −2,400−8.7% | Reduced |
| Gabelli Funds LLC | 25,156 | $2.37M | 0.02% | +25,156 | New |
| Wellington Management Group LLP | 22,471 | $2.12M | 0.00% | +22,471 | New |
| Envestnet Asset Management Inc | 20,483 | $1.93M | 0.00% | +1,425+7.5% | Added |
| King Luther Capital Management Corp | 19,921 | $1.88M | 0.01% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 19,898 | $1.87M | 0.00% | +16,190+436.6% | Added |
| Public Sector Pension Investment Board | 18,528 | $1.75M | 0.01% | +1,272+7.4% | Added |
| Segall Bryant & Hamill, LLC | 18,287 | $1.72M | 0.02% | −1,723−8.6% | Reduced |
| Wells Fargo & Company | 18,143 | $1.71M | 0.00% | −11,876−39.6% | Reduced |
| Invesco Ltd. | 17,795 | $1.68M | 0.00% | −134−0.7% | Reduced |
| UBS Asset Management Americas Inc | 17,403 | $1.64M | 0.00% | −2,574−12.9% | Reduced |
| Nuveen, LLC | 15,924 | $1.50M | 0.00% | −3,500−18.0% | Reduced |
| Legal & General Group Plc | 14,657 | $1.38M | 0.00% | +746+5.4% | Added |
| Jane Street Group, LLC | 13,785 | $1.30M | 0.00% | +6,766+96.4% | Added |
| Public Employees Retirement System of Ohio | 13,722 | $1.29M | 0.00% | 00.0% | Unchanged |
| American Century Companies Inc | 13,431 | $1.27M | 0.00% | +194+1.5% | Added |
| Rhumbline Advisers | 12,793 | $1.21M | 0.00% | −835−6.1% | Reduced |
| Herald Investment Management Ltd | 12,500 | $1.18M | 0.17% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 10,954 | $1.03M | 0.00% | +3,863+54.5% | Added |
| Swiss National Bank | 10,402 | $980.1K | 0.00% | −200−1.9% | Reduced |
| Barclays PLC | 10,170 | $958.2K | 0.00% | +3,472+51.8% | Added |
| D. E. Shaw & Co., Inc. | 8,665 | $816.4K | 0.00% | +8,665 | New |
| Stifel Financial Corp | 8,292 | $781.3K | 0.00% | +4,902+144.6% | Added |
| Man Group plc | 7,869 | $741.4K | 0.00% | +2,859+57.1% | Added |
| AQR Capital Management LLC | 7,727 | $728.0K | 0.00% | −429−5.3% | Reduced |
| LPL Financial LLC | 7,088 | $667.9K | 0.00% | +106+1.5% | Added |
| Great West Life Assurance Co | 6,927 | $653.0K | 0.00% | 00.0% | Unchanged |
| Creative Planning | 6,353 | $598.6K | 0.00% | −1,432−18.4% | Reduced |
| Gsa Capital Partners LLP | 6,312 | $595.0K | 0.04% | +3,965+168.9% | Added |
| Quest Partners LLC | 6,056 | $570.6K | 0.06% | +5,994+9,667.7% | Added |
| Alliancebernstein L.P. | 5,660 | $533.3K | 0.00% | 00.0% | Unchanged |
| Prudential Financial Inc | 5,658 | $533.1K | 0.00% | +130+2.4% | Added |
| Citigroup Inc | 5,609 | $528.5K | 0.00% | −3,250−36.7% | Reduced |
| Boston Partners | 5,421 | $510.8K | 0.00% | +758+16.3% | Added |
| California State Teachers Retirement System | 5,041 | $475.0K | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 5,038 | $474.7K | 0.00% | −20−0.4% | Reduced |
| RSM US Wealth Management LLC | 4,971 | $468.4K | 0.01% | +84+1.7% | Added |
| Dynamic Technology Lab Private Ltd | 4,801 | $452.0K | 0.06% | +4,801 | New |
| SEI Investments Co | 4,362 | $411.0K | 0.00% | −1,054−19.5% | Reduced |
| Tudor Investment Corp Et Al | 4,202 | $395.9K | 0.00% | +4,202 | New |
| Deutsche Bank AG | 4,066 | $383.1K | 0.00% | −637−13.5% | Reduced |
| Trexquant Investment LP | 4,020 | $378.8K | 0.00% | +4,020 | New |
| Thrivent Financial for Lutherans | 3,996 | $377.0K | 0.00% | +5+0.1% | Added |
| Gamco Investors, Inc. Et Al | 3,930 | $370.3K | 0.00% | +3,930 | New |
| Price T Rowe Associates Inc | 3,830 | $361.0K | 0.00% | +241+6.7% | Added |
| Franklin Resources Inc | 3,476 | $327.5K | 0.00% | +182+5.5% | Added |
| Kings Path Partners LLC | 3,405 | $320.8K | 0.13% | −756−18.2% | Reduced |
| State of Tennessee, Treasury Department | 3,221 | $303.5K | 0.00% | −285−8.1% | Reduced |
| State of Alaska, Department of Revenue | 3,224 | $303.0K | 0.00% | +213+7.1% | Added |
| FMR LLC | 2,923 | $275.4K | 0.00% | +26+0.9% | Added |
| MetLife Investment Management | 2,888 | $272.1K | 0.00% | 00.0% | Unchanged |
| Illinois Municipal Retirement Fund | 2,884 | $271.7K | 0.00% | −176−5.8% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 2,840 | $267.6K | 0.00% | −228−7.4% | Reduced |
| Wiley Bros.-Aintree Capital, LLC | 2,664 | $251.0K | 0.00% | −50−1.8% | Reduced |
| Intech Investment Management LLC | 2,593 | $244.3K | 0.00% | −301−10.4% | Reduced |
| State Board of Administration of Florida Retirement System | 2,564 | $241.6K | 0.00% | +374+17.1% | Added |
| Los Angeles Capital Management LLC | 2,504 | $235.9K | 0.00% | −520−17.2% | Reduced |
| Louisiana State Employees Retirement System | 2,500 | $235.6K | 0.00% | −100−3.8% | Reduced |
| Brevan Howard Capital Management LP | 2,299 | $216.6K | 0.00% | +2,299 | New |
| Cambridge Investment Research Advisors, Inc. | 2,252 | $212.0K | 0.00% | −44−1.9% | Reduced |
| Virtu Financial LLC | 2,226 | $210.0K | 0.01% | +2,226 | New |
| MQS Management LLC | 2,194 | $206.7K | 0.11% | +2,194 | New |
| New York State Common Retirement Fund | 2,143 | $201.9K | 0.00% | 00.0% | Unchanged |
| Victory Capital Management Inc | 1,908 | $179.8K | 0.00% | −6,798−78.1% | Reduced |
| Smartleaf Asset Management LLC | 1,699 | $167.6K | 0.01% | −93−5.2% | Reduced |
| Teachers Retirement System of the State of Kentucky | 1,613 | $152.0K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 1,551 | $146.0K | 0.00% | 00.0% | Unchanged |