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, Q1 2025
Institutional positions in Mesa Laboratories Inc as of Mar 31, 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
- 151
- −3 vs. Q4 2024
- Shares held
- 5.17M
- +78.2K (+1.5%) vs. Q4 2024
- Total value
- $613.4M
- −$57.9M (−8.6%) vs. Q4 2024
- New holders
- 18
- 54 more added
- Sold out
- 21
- 52 more reduced
3 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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 | $334.0M |
| Q2 2025 | 155 | $489.1M |
| Q1 2025 | 151 | $613.4M |
| Q4 2024 | 157 | $673.0M |
| Q3 2024 | 166 | $633.6M |
| Q2 2024 | 155 | $424.4M |
| Q1 2024 | 155 | $534.3M |
| Q4 2023 | 158 | $507.5M |
| Q3 2023 | 154 | $515.1M |
| Q2 2023 | 161 | $630.0M |
| Q1 2023 | 160 | $877.7M |
| 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, Q1 2025
Shares, value and share of portfolio for each institution holding Mesa Laboratories Inc; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| AQR Capital Management LLC | 8,156 | $967.8K | 0.00% | −2,729−25.1% | Reduced |
| Renaissance Technologies LLC | 8,200 | $973.0K | 0.00% | +700+9.3% | Added |
| Victory Capital Management Inc | 8,706 | $1.03M | 0.00% | −130−1.5% | Reduced |
| Citigroup Inc | 8,859 | $1.05M | 0.00% | +1,028+13.1% | Added |
| Swiss National Bank | 10,602 | $1.26M | 0.00% | 00.0% | Unchanged |
| Lazard Asset Management LLC | 11,360 | $1.35M | 0.00% | −1,029−8.3% | Reduced |
| Herald Investment Management Ltd | 12,500 | $1.48M | 0.28% | +5,083+68.5% | Added |
| American Century Companies Inc | 13,237 | $1.57M | 0.00% | +3,793+40.2% | Added |
| Rhumbline Advisers | 13,628 | $1.62M | 0.00% | +570+4.4% | Added |
| Public Employees Retirement System of Ohio | 13,722 | $1.63M | 0.01% | −3,149−18.7% | Reduced |
| Legal & General Group Plc | 13,911 | $1.65M | 0.00% | −376−2.6% | Reduced |
| Goldman Sachs Group Inc | 15,334 | $1.82M | 0.00% | −14,601−48.8% | Reduced |
| Keeley-Teton Advisors, LLC | 15,678 | $1.86M | 0.23% | −6,319−28.7% | Reduced |
| Public Sector Pension Investment Board | 17,256 | $2.05M | 0.01% | +3,679+27.1% | Added |
| Invesco Ltd. | 17,929 | $2.13M | 0.00% | −578−3.1% | Reduced |
| Envestnet Asset Management Inc | 19,058 | $2.26M | 0.00% | +1,463+8.3% | Added |
| Nuveen, LLC | 19,424 | $2.30M | 0.00% | +19,424 | New |
| King Luther Capital Management Corp | 19,921 | $2.36M | 0.01% | 00.0% | Unchanged |
| UBS Asset Management Americas Inc | 19,977 | $2.37M | 0.00% | +685+3.6% | Added |
| Segall Bryant & Hamill, LLC | 20,010 | $2.37M | 0.04% | −447−2.2% | Reduced |
| Crawford Investment Counsel Inc | 26,200 | $3.11M | 0.06% | +26,200 | New |
| Rice Hall James & Associates, LLC | 27,375 | $3.25M | 0.19% | −293−1.1% | Reduced |
| UBS Group AG | 27,387 | $3.25M | 0.00% | +7,635+38.7% | Added |
| BBR Partners, LLC | 27,595 | $3.27M | 0.23% | +27,595 | New |
| Diamond Hill Capital Management Inc | 29,458 | $3.50M | 0.02% | +2,824+10.6% | Added |
| Wells Fargo & Company | 30,019 | $3.56M | 0.00% | +716+2.4% | Added |
| Royal Bank of Canada | 30,772 | $3.65M | 0.00% | +353+1.2% | Added |
| Meros Investment Management, LP | 31,964 | $3.79M | 2.23% | −8,299−20.6% | Reduced |
| Principal Financial Group Inc | 43,659 | $5.18M | 0.00% | +5,300+13.8% | Added |
| Comerica Bank | 44,285 | $5.25M | 0.02% | +1,866+4.4% | Added |
| Bank of New York Mellon Corp | 54,767 | $6.50M | 0.00% | +1,463+2.7% | Added |
| Charles Schwab Investment Management Inc | 65,464 | $7.77M | 0.00% | +2,875+4.6% | Added |
| Bank of America Corp | 67,307 | $7.99M | 0.00% | −1,167−1.7% | Reduced |
| Select Equity Group, L.P. | 73,897 | $8.77M | 0.04% | +60,186+439.0% | Added |
| Janus Henderson Group PLC | 80,744 | $9.65M | 0.01% | −5,542−6.4% | Reduced |
| Northern Trust Corp | 82,444 | $9.78M | 0.00% | −11,345−12.1% | Reduced |
| Russell Investments Group, Ltd. | 87,056 | $10.3M | 0.01% | +18,986+27.9% | Added |
| Dimensional Fund Advisors LP | 111,247 | $13.2M | 0.00% | −2,603−2.3% | Reduced |
| Kennedy Capital Management, Inc. | 113,271 | $13.4M | 0.32% | +38,665+51.8% | Added |
| Geode Capital Management, LLC | 137,516 | $16.3M | 0.00% | +13,070+10.5% | Added |
| Glenmede Trust Co NA | 146,544 | $17.4M | 0.09% | −5,303−3.5% | Reduced |
| Ameriprise Financial Inc | 166,768 | $19.8M | 0.01% | +14,906+9.8% | Added |
| Geneva Capital Management LLC | 189,312 | $22.5M | 0.42% | +299+0.2% | Added |
| Morgan Stanley | 216,290 | $25.7M | 0.00% | −24,236−10.1% | Reduced |
| State Street Corp | 219,543 | $26.1M | 0.00% | −5,358−2.4% | Reduced |
| Ranger Investment Management, L.P. | 230,988 | $27.4M | 1.96% | −2,567−1.1% | Reduced |
| Raymond James Financial Inc | 264,013 | $31.3M | 0.01% | +16,218+6.5% | Added |
| Royce & Associates LP | 271,118 | $32.2M | 0.35% | −16,089−5.6% | Reduced |
| Vanguard Group Inc | 384,613 | $45.6M | 0.00% | +1,757+0.5% | Added |
| Conestoga Capital Advisors, LLC | 571,358 | $67.8M | 1.02% | −1,679−0.3% | Reduced |
| BlackRock, Inc. | 827,616 | $98.2M | 0.00% | −16,748−2.0% | Reduced |
| Wellington Management Group LLP | 0 | $0 | 0.00% | −14,314−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −9,692−100.0% | Sold out |
| Quadrature Capital Ltd | 0 | $0 | 0.00% | −5,703−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −4,832−100.0% | Sold out |
| Cornercap Investment Counsel Inc | 0 | $0 | 0.00% | −3,797−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −3,476−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −3,382−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −2,225−100.0% | Sold out |
| Maryland State Retirement & Pension System | 0 | $0 | 0.00% | −1,787−100.0% | Sold out |
| Berry Wealth Group, LP | 0 | $0 | 0.00% | −1,657−100.0% | Sold out |
| Captrust Financial Advisors | 0 | $0 | 0.00% | −1,612−100.0% | Sold out |
| Teton Advisors, Inc. | 0 | $0 | 0.00% | −1,600−100.0% | Sold out |
| Voya Investment Management LLC | 0 | $0 | 0.00% | −1,567−100.0% | Sold out |
| Arizona State Retirement System | 0 | $0 | 0.00% | −1,565−100.0% | Sold out |
| ProShare Advisors LLC | 0 | $0 | 0.00% | −1,558−100.0% | Sold out |
| Allspring Global Investments Holdings, LLC | 0 | $0 | 0.00% | −1,553−100.0% | Sold out |
| ORG Partners LLC | 0 | $0 | 0.00% | −150−100.0% | Sold out |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 0 | $0 | 0.00% | −34−100.0% | Sold out |
| Tucker Asset Management LLC | 0 | $0 | 0.00% | −6−100.0% | Sold out |
| Advisor Group Holdings, Inc. | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| IFP Advisors, Inc | 0 | $0 | 0.00% | 0 | Sold out |
| Nuveen Asset Management, LLC | – | – | – | – | Not filed |
| Global Retirement Partners, LLC | – | – | – | – | Not filed |
| Hilltop National Bank | – | – | – | – | Not filed |