Mesa LaboratoriesMLAB
13F holders, Q4 2024 (December 31)At the end of Q4 2024, 156 institutions reported holding Mesa Laboratories Inc. (MLAB) in their 13F filings, down 10 from Q3 2024. 10 opened new positions and 19 sold out. The largest holders were BlackRock, Inc. ($111.3M), Conestoga Capital Advisors, LLC ($75.6M) and Vanguard Group Inc. ($50.5M). 4 famous investors held it, including Cliff Asness (0.0% of AQR Capital Management's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Mesa Laboratories Inc.
- CUSIP
- 59064R109
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2024 → Q4 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 10 | $7.9M |
| Exits | 19 | $12.9M |
All 13F filers, Q3 2024 → Q4 2024: 439,842 shares bought and 236,562 shares sold, net +203,280 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 156 holders
| BlackRock, Inc. | 0.00% | Add +0.9% | 844,364 | $111.3M |
| Conestoga Capital Advisors, LLC | 1.00% | Add +8.3% | 573,037 | $75.6M |
| Vanguard Group Inc. | 0.00% | Add +1.4% | 382,856 | $50.5M |
| Royce & Associates LP | 0.35% | Reduce -17.3% | 287,207 | $37.9M |
| Raymond James Financial Inc. | 0.01% | — | 247,795 | $32.7M |
| Morgan Stanley | 0.00% | Reduce -3.5% | 240,526 | $31.7M |
| Ranger Investment Management, L.P. | 1.94% | Reduce -1.9% | 233,555 | $30.8M |
| State Street Corp. | 0.00% | Add +5.0% | 224,901 | $29.7M |
| Geneva Capital Management LLC | 0.43% | Reduce -1.5% | 189,013 | $24.9M |
| Ameriprise Financial Inc. | 0.01% | Add +191.8% | 151,862 | $20.0M |
| Glenmede Trust Co. NA | 0.10% | Add +56.0% | 151,847 | $20.0M |
| Geode Capital Management, LLC | 0.00% | Reduce -0.3% | 124,446 | $16.4M |
| Dimensional Fund Advisors LP | 0.00% | Reduce -7.9% | 113,850 | $15.0M |
| Northern Trust Corp. | 0.00% | Add +2.0% | 93,789 | $12.4M |
| Janus Henderson Group PLC | 0.01% | Add +10.3% | 86,286 | $11.4M |
| Kennedy Capital Management LLC | 0.22% | Add +13.2% | 74,606 | $9.8M |
| Bank of America Corp. | 0.00% | Add +27.7% | 68,474 | $9.0M |
| Russell Investments Group, Ltd. | 0.01% | Reduce -8.7% | 68,070 | $9.0M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -0.0% | 62,589 | $8.3M |
| Bank of New York Mellon Corp | 0.00% | Reduce -1.2% | 53,304 | $7.0M |
| Comerica Bank | 0.02% | Add +0.0% | 42,419 | $5.6M |
| Meros Investment Management, LP | 2.38% | Add +21.1% | 40,263 | $5.3M |
| Principal Financial Group Inc. | 0.00% | Add +9.3% | 38,359 | $5.1M |
| Jane Street Group, LLC | 0.01% | Add +1390.4% | 34,399 | $4.5M |
| Royal Bank of Canada | 0.00% | Reduce -1.9% | 30,419 | $4.0M |
| Goldman Sachs Group Inc. | 0.00% | Add +87.8% | 29,935 | $3.9M |
| Wells Fargo & Company | 0.00% | Reduce -4.8% | 29,303 | $3.9M |
| Rice Hall James & Associates, LLC | 0.20% | Add +25.1% | 27,668 | $3.6M |
| Diamond Hill Capital Management, LLC (Investment Advisor) | 0.02% | New | 26,634 | $3.5M |
| Keeley-Teton Advisors, LLC | 0.34% | Reduce -4.0% | 21,997 | $2.9M |
| Segall Bryant & Hamill, LLC | 0.04% | Reduce -0.1% | 20,457 | $2.7M |
| King Luther Capital Management Corp. | 0.01% | No change | 19,921 | $2.6M |
| UBS Group AG | 0.00% | Add +241.0% | 19,752 | $2.6M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +91.0% | 19,292 | $2.5M |
| Invesco Ltd. | 0.00% | Add +0.4% | 18,507 | $2.4M |
| Envestnet Asset Management Inc. | 0.00% | Reduce -0.8% | 17,595 | $2.3M |
| Public Employees Retirement System of Ohio | 0.01% | No change | 16,871 | $2.2M |
| Wellington Management Group LLP | 0.00% | New | 14,314 | $1.9M |
| Legal & General Group Plc | 0.00% | Reduce -6.1% | 14,287 | $1.9M |
| Select Equity Group, L.P. | 0.01% | Add +5.3% | 13,711 | $1.8M |
| Public Sector Pension Investment Board | 0.01% | Add +18.5% | 13,577 | $1.8M |
| Nuveen Asset Management, LLC | 0.00% | No change | 13,106 | $1.7M |
| Rhumbline Advisers | 0.00% | Reduce -2.5% | 13,058 | $1.7M |
| Lazard Asset Management LLC | 0.00% | Add +81.4% | 12,389 | $1.6M |
| AQR Capital Management | 0.00% | Reduce -4.8% | 10,885 | $1.4M |
| Swiss National Bank | 0.00% | No change | 10,602 | $1.4M |
| ExodusPoint Capital Management, LP | 0.01% | Add +283.8% | 9,692 | $1.3M |
| American Century Companies Inc. | 0.00% | Add +99.0% | 9,444 | $1.2M |
| Barclays PLC | 0.00% | Add +4.8% | 9,262 | $1.2M |
| Victory Capital Management Inc. | 0.00% | Reduce -36.9% | 8,836 | $1.2M |
| Citigroup Inc. | 0.00% | Add +5.6% | 7,831 | $1.0M |
| Mackenzie Financial Corp. | 0.00% | Add +26.1% | 7,537 | $994K |
| Renaissance Technologies | 0.00% | Reduce -44.0% | 7,500 | $989K |
| HERALD INVESTMENT MANAGEMENT Ltd | 0.16% | New | 7,417 | $977K |
| LPL Financial LLC | 0.00% | Add +0.7% | 6,978 | $920K |
| CANADA LIFE ASSURANCE Co | 0.00% | Reduce -7.7% | 6,927 | $913K |
| Citadel Advisors | 0.00% | Reduce -36.4% | 6,817 | $899K |
| Kings Path Partners LLC | 0.38% | No change | 6,776 | $894K |
| Quadrature Capital Ltd | 0.02% | Add +235.5% | 5,703 | $754K |
| Creative Planning | 0.00% | Add +4.7% | 5,641 | $744K |
| Alliancebernstein L.P. | 0.00% | Add +2.6% | 5,584 | $736K |
| Prudential Financial Inc. | 0.00% | Add +1.1% | 5,468 | $721K |
| Sei Investments Co. | 0.00% | Add +246.2% | 5,411 | $714K |
| Deutsche Bank AG | 0.00% | Add +44.5% | 5,147 | $679K |
| Choreo, LLC | 0.01% | Add +38.0% | 5,052 | $667K |
| California State Teachers Retirement System | 0.00% | Reduce -1.1% | 5,041 | $665K |
| JPMorgan Chase & Co. | 0.00% | Reduce -40.5% | 5,003 | $660K |
| Millennium Management | 0.00% | Add +61.0% | 4,832 | $637K |
| Boston Partners | 0.00% | Reduce -44.6% | 4,627 | $610K |
| Thrivent Financial for Lutherans | 0.00% | Reduce -1.2% | 4,198 | $554K |
| Cornercap Investment Counsel Inc. | 0.16% | No change | 3,797 | $501K |
| State of Tennessee, Department of Treasury | 0.00% | Reduce -14.6% | 3,506 | $462K |
| Marshall Wace, LLP | 0.00% | Reduce -59.4% | 3,476 | $458K |
| T. Rowe Price Associates Inc. | 0.00% | Add +12.7% | 3,469 | $458K |
| Los Angeles Capital Management LLC | 0.00% | Add +3.0% | 3,394 | $448K |
| XTX Topco Ltd | 0.04% | Add +13.3% | 3,382 | $446K |
| Stifel Financial Corp. | 0.00% | Add +1.2% | 3,291 | $434K |
| Franklin Resources Inc. | 0.00% | Reduce -48.9% | 3,291 | $434K |
| State of Alaska, Department of Revenue | 0.00% | Reduce -0.6% | 3,069 | $404K |
| Gsa Capital Partners LLP | 0.03% | New | 2,973 | $392K |
| MetLife Investment Management, LLC | 0.00% | No change | 2,956 | $390K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +3.5% | 2,925 | $386K |
| Corebridge Financial, Inc. | 0.00% | Reduce -7.3% | 2,753 | $363K |
| Louisiana State Employees Retirement System | 0.01% | No change | 2,600 | $343K |
| Susquehanna International Group, LLP | 0.00% | New | 2,497 | $329K |
| Cambridge Investment Research Advisors, Inc. | 0.00% | Reduce -19.3% | 2,415 | $319K |
| Squarepoint Ops LLC | 0.00% | New | 2,225 | $293K |
| State Board of Administration of Florida Retirement System | 0.00% | Reduce -12.4% | 2,190 | $289K |
| New York State Common Retirement Fund | 0.00% | No change | 2,143 | $283K |
| Yousif Capital Management, LLC | 0.00% | Reduce -0.5% | 2,087 | $275K |
| SG Americas Securities, LLC | 0.00% | Reduce -10.9% | 2,073 | $273K |
| Intech Investment Management LLC | 0.00% | New | 1,980 | $261K |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -5.0% | 1,936 | $255K |
| Smartleaf Asset Management LLC | 0.02% | Add +62.0% | 1,844 | $243K |
| Maryland State Retirement & Pension System | 0.01% | No change | 1,787 | $236K |
| Pacer Advisors, Inc. | 0.00% | Add +4.3% | 1,755 | $231K |
| Avantax Advisory Services, Inc. | 0.00% | Reduce -22.7% | 1,663 | $219K |
| Berry Wealth Group, LP | 0.16% | Add +5.3% | 1,657 | $219K |
| Captrust Financial Advisors | 0.00% | Add +0.9% | 1,612 | $213K |
| Teachers Retirement System of the State of Kentucky | 0.00% | No change | 1,613 | $212K |
"% of holder's portfolio" is MLAB's weight in each manager's 13F, not the share of Mesa Laboratories Inc. the manager owns.