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 2023
Institutional positions in Mesa Laboratories Inc as of Dec 31, 2023. 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
- 158
- +6 vs. Q3 2023
- Shares held
- 4.84M
- −74.0K (−1.5%) vs. Q3 2023
- Total value
- $507.5M
- −$7.21M (−1.4%) vs. Q3 2023
- New holders
- 26
- 52 more added
- Sold out
- 20
- 55 more reduced
2 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2023: 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 2023
Shares, value and share of portfolio for each institution holding Mesa Laboratories Inc; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Boothbay Fund Management, LLC | 6,441 | $674.8K | 0.03% | +6,441 | New |
| Great West Life Assurance Co | 6,474 | $676.0K | 0.00% | +170+2.7% | Added |
| Dynamic Technology Lab Private Ltd | 6,698 | $702.0K | 0.07% | +1,011+17.8% | Added |
| BNP Paribas Arbitrage, SA | 7,238 | $758.3K | 0.00% | +2,374+48.8% | Added |
| Motley Fool Asset Management LLC | 8,709 | $912.4K | 0.07% | +778+9.8% | Added |
| Bahl & Gaynor Inc | 8,988 | $941.7K | 0.01% | −47−0.5% | Reduced |
| Select Equity Group, L.P. | 9,371 | $981.8K | 0.00% | −282−2.9% | Reduced |
| State of Wisconsin Investment Board | 10,010 | $1.05M | 0.00% | +10,010 | New |
| Swiss National Bank | 10,602 | $1.11M | 0.00% | −1,200−10.2% | Reduced |
| Public Sector Pension Investment Board | 10,631 | $1.11M | 0.01% | +4,309+68.2% | Added |
| Credit Suisse AG | 11,019 | $1.15M | 0.00% | +842+8.3% | Added |
| Seizert Capital Partners, LLC | 11,176 | $1.17M | 0.06% | −1,642−12.8% | Reduced |
| B. Riley Asset Management, LLC | 12,190 | $1.19M | 0.43% | +12,190 | New |
| Barclays PLC | 11,664 | $1.22M | 0.00% | +9,127+359.8% | Added |
| Nuveen Asset Management, LLC | 13,106 | $1.37M | 0.00% | +120+0.9% | Added |
| Envestnet Asset Management Inc | 13,317 | $1.40M | 0.00% | −7,794−36.9% | Reduced |
| Legal & General Group Plc | 15,198 | $1.59M | 0.00% | −152−1.0% | Reduced |
| Qube Research & Technologies Ltd | 15,682 | $1.64M | 0.00% | −2,286−12.7% | Reduced |
| Marshall Wace, LLP | 15,847 | $1.66M | 0.00% | +10,571+200.4% | Added |
| Rhumbline Advisers | 16,156 | $1.69M | 0.00% | +571+3.7% | Added |
| Zacks Investment Management | 16,185 | $1.70M | 0.02% | +16,185 | New |
| Rice Hall James & Associates, LLC | 16,275 | $1.71M | 0.10% | −800−4.7% | Reduced |
| AQR Capital Management LLC | 17,792 | $1.86M | 0.00% | +3,078+20.9% | Added |
| Invesco Ltd. | 18,846 | $1.97M | 0.00% | −2,835−13.1% | Reduced |
| Public Employees Retirement System of Ohio | 18,911 | $1.98M | 0.01% | 00.0% | Unchanged |
| Fred Alger Management, LLC | 26,986 | $2.83M | 0.02% | −170−0.6% | Reduced |
| Citadel Advisors LLC | 27,268 | $2.86M | 0.00% | +1,130+4.3% | Added |
| King Luther Capital Management Corp | 27,781 | $2.91M | 0.01% | +13,890+100.0% | Added |
| Principal Financial Group Inc | 28,828 | $3.02M | 0.00% | −125,937−81.4% | Reduced |
| JPMorgan Chase & Co | 29,534 | $3.09M | 0.00% | +11,437+63.2% | Added |
| Renaissance Technologies LLC | 30,400 | $3.19M | 0.00% | +21,600+245.5% | Added |
| Kayne Anderson Rudnick Investment Management LLC | 30,973 | $3.25M | 0.01% | −113,137−78.5% | Reduced |
| Royal Bank of Canada | 31,847 | $3.34M | 0.00% | −987−3.0% | Reduced |
| Wells Fargo & Company | 35,687 | $3.74M | 0.00% | −28,720−44.6% | Reduced |
| Russell Investments Group, Ltd. | 36,004 | $3.77M | 0.01% | −2,480−6.4% | Reduced |
| Bank of America Corp | 38,720 | $4.06M | 0.00% | −8,919−18.7% | Reduced |
| Charles Schwab Investment Management Inc | 41,392 | $4.34M | 0.00% | +894+2.2% | Added |
| Comerica Bank | 45,510 | $4.77M | 0.02% | −637−1.4% | Reduced |
| Raymond James & Associates | 47,019 | $4.93M | 0.00% | −20,407−30.3% | Reduced |
| Ameriprise Financial Inc | 54,600 | $5.72M | 0.00% | +5,054+10.2% | Added |
| Bank of New York Mellon Corp | 61,094 | $6.40M | 0.00% | +4,835+8.6% | Added |
| Boone Capital Management LLC | 64,064 | $6.71M | 1.57% | +64,064 | New |
| Goldman Sachs Group Inc | 66,119 | $6.93M | 0.00% | −21,056−24.2% | Reduced |
| Granahan Investment Management Inc | 71,886 | $7.53M | 0.25% | +8,013+12.5% | Added |
| Northern Trust Corp | 81,518 | $8.54M | 0.00% | −13,385−14.1% | Reduced |
| Glenmede Trust Co NA | 90,883 | $9.52M | 0.05% | −3,454−3.7% | Reduced |
| Kennedy Capital Management, Inc. | 107,067 | $11.2M | 0.24% | −2,429−2.2% | Reduced |
| Geode Capital Management, LLC | 111,115 | $11.6M | 0.00% | +6,026+5.7% | Added |
| Eagle Asset Management Inc | 115,277 | $12.1M | 0.06% | +3,298+2.9% | Added |
| Dimensional Fund Advisors LP | 127,235 | $13.3M | 0.00% | −764−0.6% | Reduced |
| Geneva Capital Management LLC | 189,529 | $19.9M | 0.37% | −5,683−2.9% | Reduced |
| State Street Corp | 198,407 | $20.8M | 0.00% | +14,874+8.1% | Added |
| Ranger Investment Management, L.P. | 226,682 | $23.7M | 1.44% | +2,689+1.2% | Added |
| Morgan Stanley | 261,324 | $27.4M | 0.00% | +17,971+7.4% | Added |
| Royce & Associates LP | 269,645 | $28.3M | 0.26% | +103,623+62.4% | Added |
| Vanguard Group Inc | 370,278 | $38.8M | 0.00% | +7,274+2.0% | Added |
| Conestoga Capital Advisors, LLC | 578,463 | $60.6M | 0.91% | +48,253+9.1% | Added |
| BlackRock Inc. | 845,885 | $88.6M | 0.00% | +40,138+5.0% | Added |
| DF Dent & Co Inc | 0 | $0 | 0.00% | −54,556−100.0% | Sold out |
| Schroder Investment Management Group | 0 | $0 | 0.00% | −34,317−100.0% | Sold out |
| Kent Lake Capital LLC | 0 | $0 | 0.00% | −28,204−100.0% | Sold out |
| Dark Forest Capital Management LP | 0 | $0 | 0.00% | −7,480−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −5,536−100.0% | Sold out |
| Daiwa Securities Group Inc. | 0 | $0 | 0.00% | −4,603−100.0% | Sold out |
| M&T Bank Corp | 0 | $0 | 0.00% | −3,992−100.0% | Sold out |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 0 | $0 | 0.00% | −3,420−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −3,216−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −3,170−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −2,928−100.0% | Sold out |
| Voloridge Investment Management, LLC | 0 | $0 | 0.00% | −2,853−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −2,071−100.0% | Sold out |
| Captrust Financial Advisors | 0 | $0 | 0.00% | −2,054−100.0% | Sold out |
| Oppenheimer Asset Management Inc. | 0 | $0 | 0.00% | −1,931−100.0% | Sold out |
| Harbor Investment Advisory, LLC | 0 | $0 | 0.00% | −257−100.0% | Sold out |
| Wolverine Asset Management LLC | 0 | $0 | 0.00% | −108−100.0% | Sold out |
| Operose Advisors LLC | 0 | $0 | 0.00% | −65−100.0% | Sold out |
| L2 Asset Management, LLC | 0 | $0 | 0.00% | −20,192−100.0% | Sold out |
| Nisa Investment Advisors, LLC | 0 | $0 | 0.00% | −6−100.0% | Sold out |
| First Republic Investment Management, Inc. | – | – | – | – | Not filed |
| KB Financial Partners, LLC | – | – | – | – | Not filed |