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, Q4 2024
Institutional positions in Mesa Laboratories Inc as of Dec 31, 2024. 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
- 157
- −6 vs. Q3 2024
- Shares held
- 5.10M
- +453.3K (+9.7%) vs. Q3 2024
- Total value
- $673.0M
- +$69.2M (+11.5%) vs. Q3 2024
- New holders
- 13
- 58 more added
- Sold out
- 19
- 52 more reduced
3 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2024
Shares, value and share of portfolio for each institution holding Mesa Laboratories Inc; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Citadel Advisors LLC | 6,817 | $899.0K | 0.00% | −3,898−36.4% | Reduced |
| Great West Life Assurance Co | 6,927 | $913.0K | 0.00% | −577−7.7% | Reduced |
| LPL Financial LLC | 6,978 | $920.2K | 0.00% | +45+0.6% | Added |
| Herald Investment Management Ltd | 7,417 | $977.3K | 0.16% | +7,417 | New |
| Renaissance Technologies LLC | 7,500 | $989.0K | 0.00% | −5,900−44.0% | Reduced |
| Mackenzie Financial Corp | 7,537 | $993.9K | 0.00% | +1,560+26.1% | Added |
| Citigroup Inc | 7,831 | $1.03M | 0.00% | +418+5.6% | Added |
| Victory Capital Management Inc | 8,836 | $1.17M | 0.00% | −5,165−36.9% | Reduced |
| Barclays PLC | 9,262 | $1.22M | 0.00% | +425+4.8% | Added |
| American Century Companies Inc | 9,444 | $1.25M | 0.00% | +4,698+99.0% | Added |
| ExodusPoint Capital Management, LP | 9,692 | $1.28M | 0.01% | +7,167+283.8% | Added |
| Swiss National Bank | 10,602 | $1.40M | 0.00% | 00.0% | Unchanged |
| AQR Capital Management LLC | 10,885 | $1.44M | 0.00% | −547−4.8% | Reduced |
| Lazard Asset Management LLC | 12,389 | $1.63M | 0.00% | +5,560+81.4% | Added |
| Rhumbline Advisers | 13,058 | $1.72M | 0.00% | −337−2.5% | Reduced |
| Nuveen Asset Management, LLC | 13,106 | $1.73M | 0.00% | 00.0% | Unchanged |
| Public Sector Pension Investment Board | 13,577 | $1.79M | 0.01% | +2,116+18.5% | Added |
| Select Equity Group, L.P. | 13,711 | $1.81M | 0.01% | +684+5.3% | Added |
| Legal & General Group Plc | 14,287 | $1.88M | 0.00% | −925−6.1% | Reduced |
| Wellington Management Group LLP | 14,314 | $1.89M | 0.00% | +14,314 | New |
| Public Employees Retirement System of Ohio | 16,871 | $2.22M | 0.01% | 00.0% | Unchanged |
| Envestnet Asset Management Inc | 17,595 | $2.32M | 0.00% | −150−0.8% | Reduced |
| Invesco Ltd. | 18,507 | $2.44M | 0.00% | +69+0.4% | Added |
| UBS Asset Management Americas Inc | 19,292 | $2.54M | 0.00% | +9,189+91.0% | Added |
| UBS Group AG | 19,752 | $2.60M | 0.00% | +13,960+241.0% | Added |
| King Luther Capital Management Corp | 19,921 | $2.63M | 0.01% | 00.0% | Unchanged |
| Segall Bryant & Hamill, LLC | 20,457 | $2.70M | 0.04% | −13−0.1% | Reduced |
| Keeley-Teton Advisors, LLC | 21,997 | $2.90M | 0.34% | −912−4.0% | Reduced |
| Diamond Hill Capital Management Inc | 26,634 | $3.51M | 0.02% | +26,634 | New |
| Rice Hall James & Associates, LLC | 27,668 | $3.65M | 0.20% | +5,560+25.1% | Added |
| Wells Fargo & Company | 29,303 | $3.86M | 0.00% | −1,494−4.9% | Reduced |
| Goldman Sachs Group Inc | 29,935 | $3.95M | 0.00% | +13,996+87.8% | Added |
| Royal Bank of Canada | 30,419 | $4.01M | 0.00% | −580−1.9% | Reduced |
| Jane Street Group, LLC | 34,399 | $4.54M | 0.01% | +32,091+1,390.4% | Added |
| Principal Financial Group Inc | 38,359 | $5.06M | 0.00% | +3,252+9.3% | Added |
| Meros Investment Management, LP | 40,263 | $5.31M | 2.38% | +7,023+21.1% | Added |
| Comerica Bank | 42,419 | $5.59M | 0.02% | +140.0% | Added |
| Bank of New York Mellon Corp | 53,304 | $7.03M | 0.00% | −658−1.2% | Reduced |
| Charles Schwab Investment Management Inc | 62,589 | $8.25M | 0.00% | −200.0% | Reduced |
| Russell Investments Group, Ltd. | 68,070 | $8.98M | 0.01% | −6,492−8.7% | Reduced |
| Bank of America Corp | 68,474 | $9.03M | 0.00% | +14,863+27.7% | Added |
| Kennedy Capital Management, Inc. | 74,606 | $9.84M | 0.22% | +8,700+13.2% | Added |
| Janus Henderson Group PLC | 86,286 | $11.4M | 0.01% | +8,092+10.3% | Added |
| Northern Trust Corp | 93,789 | $12.4M | 0.00% | +1,825+2.0% | Added |
| Dimensional Fund Advisors LP | 113,850 | $15.0M | 0.00% | −9,723−7.9% | Reduced |
| Geode Capital Management, LLC | 124,446 | $16.4M | 0.00% | −315−0.3% | Reduced |
| Glenmede Trust Co NA | 151,847 | $20.0M | 0.10% | +54,513+56.0% | Added |
| Ameriprise Financial Inc | 151,862 | $20.0M | 0.01% | +99,819+191.8% | Added |
| Geneva Capital Management LLC | 189,013 | $24.9M | 0.43% | −2,963−1.5% | Reduced |
| State Street Corp | 224,901 | $29.7M | 0.00% | +10,753+5.0% | Added |
| Ranger Investment Management, L.P. | 233,555 | $30.8M | 1.94% | −4,635−1.9% | Reduced |
| Morgan Stanley | 240,526 | $31.7M | 0.00% | −8,822−3.5% | Reduced |
| Raymond James Financial Inc | 247,795 | $32.7M | 0.01% | +247,795 | New |
| Royce & Associates LP | 287,207 | $37.9M | 0.35% | −59,938−17.3% | Reduced |
| Vanguard Group Inc | 382,856 | $50.5M | 0.00% | +5,274+1.4% | Added |
| Conestoga Capital Advisors, LLC | 573,037 | $75.6M | 1.00% | +43,927+8.3% | Added |
| BlackRock, Inc. | 844,364 | $111.3M | 0.00% | +7,543+0.9% | Added |
| Granahan Investment Management Inc | 0 | $0 | 0.00% | −45,633−100.0% | Sold out |
| Deerfield Management Company, L.P. (Series C) | 0 | $0 | 0.00% | −19,664−100.0% | Sold out |
| State of Wisconsin Investment Board | 0 | $0 | 0.00% | −9,615−100.0% | Sold out |
| Man Group plc | 0 | $0 | 0.00% | −4,578−100.0% | Sold out |
| Connor, Clark & Lunn Investment Management Ltd. | 0 | $0 | 0.00% | −3,460−100.0% | Sold out |
| Illinois Municipal Retirement Fund | 0 | $0 | 0.00% | −2,970−100.0% | Sold out |
| Centiva Capital, LP | 0 | $0 | 0.00% | −2,634−100.0% | Sold out |
| PDT Partners, LLC | 0 | $0 | 0.00% | −2,273−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −2,109−100.0% | Sold out |
| Corton Capital Inc. | 0 | $0 | 0.00% | −2,009−100.0% | Sold out |
| Sherbrooke Park Advisers LLC | 0 | $0 | 0.00% | −1,840−100.0% | Sold out |
| Cresset Asset Management, LLC | 0 | $0 | 0.00% | −1,701−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −542−100.0% | Sold out |
| Allworth Financial LP | 0 | $0 | 0.00% | −117−100.0% | Sold out |
| Ashton Thomas Securities, LLC | 0 | $0 | 0.00% | −49−100.0% | Sold out |
| Capital Performance Advisors LLP | 0 | $0 | 0.00% | −11−100.0% | Sold out |
| Fairman Group, LLC | 0 | $0 | 0.00% | −8−100.0% | Sold out |
| Ronald Blue Trust, Inc. | 0 | $0 | 0.00% | −7−100.0% | Sold out |
| Lindbrook Capital, LLC | 0 | $0 | 0.00% | −4−100.0% | Sold out |
| Eagle Asset Management Inc | – | – | – | – | Not filed |
| Raymond James & Associates | – | – | – | – | Not filed |
| Planning Capital Management Corp | – | – | – | – | Not filed |