Mesa LaboratoriesMLAB
13F holders, Q3 2024 (September 30)At the end of Q3 2024, 166 institutions reported holding Mesa Laboratories Inc. (MLAB) in their 13F filings, up 12 from Q2 2024. 28 opened new positions and 17 sold out. The largest holders were BlackRock, Inc. ($108.7M), Conestoga Capital Advisors, LLC ($68.7M) and Vanguard Group Inc. ($49.0M). 4 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Cliff Asness (0.0% of AQR Capital Management'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 Q2 2024 → Q3 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 28 | $7.0M |
| Exits | 17 | $4.3M |
All 13F filers, Q2 2024 → Q3 2024: 254,956 shares bought and 282,428 shares sold, net −27,472 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 166 holders
| BlackRock, Inc. | 0.00% | — | 836,821 | $108.7M |
| Conestoga Capital Advisors, LLC | 0.93% | Reduce -7.6% | 529,110 | $68.7M |
| Vanguard Group Inc. | 0.00% | Add +3.0% | 377,582 | $49.0M |
| Royce & Associates LP | 0.41% | Reduce -12.0% | 347,145 | $45.1M |
| Morgan Stanley | 0.00% | Add +5.0% | 249,348 | $32.4M |
| Ranger Investment Management, L.P. | 1.98% | Add +3.4% | 238,190 | $30.9M |
| State Street Corp. | 0.00% | Add +9.3% | 214,148 | $27.8M |
| Geneva Capital Management LLC | 0.42% | Add +2.0% | 191,976 | $24.9M |
| Eagle Asset Management Inc. | 0.10% | Add +10.9% | 165,955 | $19.7M |
| Geode Capital Management, LLC | 0.00% | Add +4.8% | 124,761 | $16.2M |
| Dimensional Fund Advisors LP | 0.00% | Reduce -6.3% | 123,573 | $16.0M |
| Glenmede Trust Co. NA | 0.06% | Reduce -1.5% | 97,334 | $12.6M |
| Northern Trust Corp. | 0.00% | Add +1.8% | 91,964 | $11.9M |
| Janus Henderson Group PLC | 0.01% | Reduce -31.4% | 78,194 | $10.2M |
| Raymond James & Associates | 0.01% | Reduce -4.8% | 76,855 | $10.0M |
| Russell Investments Group, Ltd. | 0.01% | Add +24.8% | 74,562 | $9.7M |
| Kennedy Capital Management LLC | 0.19% | Reduce -6.4% | 65,906 | $8.6M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +38.6% | 62,609 | $8.1M |
| Bank of New York Mellon Corp | 0.00% | Reduce -7.8% | 53,962 | $7.0M |
| Bank of America Corp. | 0.00% | Add +4.0% | 53,611 | $7.0M |
| Ameriprise Financial Inc. | 0.00% | Reduce -1.7% | 52,043 | $6.8M |
| Granahan Investment Management, LLC | 0.23% | Reduce -16.1% | 45,633 | $5.9M |
| Comerica Bank | 0.02% | Reduce -0.3% | 42,405 | $5.5M |
| Principal Financial Group Inc. | 0.00% | Add +21.8% | 35,107 | $4.6M |
| Meros Investment Management, LP | 1.95% | Add +17.5% | 33,240 | $4.3M |
| Royal Bank of Canada | 0.00% | Reduce -8.5% | 30,999 | $4.0M |
| Wells Fargo & Company | 0.00% | Reduce -5.3% | 30,797 | $4.0M |
| Keeley-Teton Advisors, LLC | 0.33% | Reduce -3.5% | 22,909 | $3.0M |
| Rice Hall James & Associates, LLC | 0.16% | Add +44.1% | 22,108 | $2.9M |
| Segall Bryant & Hamill, LLC | 0.04% | Reduce -23.8% | 20,470 | $2.7M |
| King Luther Capital Management Corp. | 0.01% | No change | 19,921 | $2.6M |
| Deerfield Management Company, L.P. | 0.04% | Add +449.1% | 19,664 | $2.6M |
| Invesco Ltd. | 0.00% | Reduce -6.9% | 18,438 | $2.4M |
| Envestnet Asset Management Inc. | 0.00% | Reduce -8.8% | 17,745 | $2.3M |
| Public Employees Retirement System of Ohio | 0.01% | No change | 16,871 | $2.2M |
| Goldman Sachs Group Inc. | 0.00% | Add +72.7% | 15,939 | $2.1M |
| Legal & General Group Plc | 0.00% | Add +0.8% | 15,212 | $2.0M |
| Victory Capital Management Inc. | 0.00% | Add +90.3% | 14,001 | $1.8M |
| Renaissance Technologies | 0.00% | Add +458.3% | 13,400 | $1.7M |
| Rhumbline Advisers | 0.00% | Reduce -0.4% | 13,395 | $1.7M |
| Nuveen Asset Management, LLC | 0.00% | No change | 13,106 | $1.7M |
| Select Equity Group, L.P. | 0.01% | Add +57.5% | 13,027 | $1.7M |
| Public Sector Pension Investment Board | 0.01% | Add +1.8% | 11,461 | $1.5M |
| AQR Capital Management | 0.00% | Reduce -36.5% | 11,432 | $1.5M |
| Citadel Advisors | 0.00% | Reduce -56.6% | 10,715 | $1.4M |
| Swiss National Bank | 0.00% | No change | 10,602 | $1.4M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +20.4% | 10,103 | $1.3M |
| State of Wisconsin Investment Board | 0.00% | Reduce -8.7% | 9,615 | $1.2M |
| Barclays PLC | 0.00% | Add +357.4% | 8,837 | $1.1M |
| Marshall Wace, LLP | 0.00% | Reduce -41.2% | 8,556 | $1.1M |
| JPMorgan Chase & Co. | 0.00% | Add +29.3% | 8,406 | $1.1M |
| Boston Partners | 0.00% | Add +24.2% | 8,353 | $1.1M |
| CANADA LIFE ASSURANCE Co | 0.00% | Reduce -4.2% | 7,504 | $967K |
| Citigroup Inc. | 0.00% | Add +69.6% | 7,413 | $963K |
| LPL Financial LLC | 0.00% | Reduce -0.3% | 6,933 | $900K |
| Lazard Asset Management LLC | 0.00% | Add +68.0% | 6,829 | $886K |
| Kings Path Partners LLC | 0.37% | No change | 6,776 | $880K |
| Franklin Resources Inc. | 0.00% | Add +27.8% | 6,444 | $828K |
| Mackenzie Financial Corp. | 0.00% | Reduce -13.0% | 5,977 | $776K |
| UBS Group AG | 0.00% | Add +31.8% | 5,792 | $752K |
| Alliancebernstein L.P. | 0.00% | No change | 5,443 | $707K |
| Prudential Financial Inc. | 0.00% | No change | 5,408 | $702K |
| Creative Planning | 0.00% | Add +100.3% | 5,389 | $700K |
| California State Teachers Retirement System | 0.00% | Reduce -3.0% | 5,095 | $662K |
| American Century Companies Inc. | 0.00% | New | 4,746 | $616K |
| Allspring Global Investments Holdings, LLC | 0.00% | Reduce -0.8% | 4,622 | $600K |
| Man Group plc | 0.00% | New | 4,578 | $594K |
| Thrivent Financial for Lutherans | 0.00% | Reduce -0.1% | 4,248 | $552K |
| State of Tennessee, Department of Treasury | 0.00% | Reduce -25.4% | 4,103 | $533K |
| Cornercap Investment Counsel Inc. | 0.15% | New | 3,797 | $493K |
| Choreo, LLC | 0.01% | Add +22.1% | 3,660 | $477K |
| Deutsche Bank AG | 0.00% | Add +28.0% | 3,561 | $462K |
| Connor, Clark & Lunn Investment Management Ltd. | 0.00% | New | 3,460 | $449K |
| Los Angeles Capital Management LLC | 0.00% | Reduce -40.3% | 3,294 | $428K |
| Stifel Financial Corp. | 0.00% | Reduce -16.8% | 3,252 | $422K |
| State of Alaska, Department of Revenue | 0.00% | Add +2.6% | 3,086 | $400K |
| T. Rowe Price Associates Inc. | 0.00% | Add +1.6% | 3,079 | $400K |
| Millennium Management | 0.00% | New | 3,002 | $390K |
| Cambridge Investment Research Advisors, Inc. | 0.00% | Reduce -10.4% | 2,993 | $389K |
| XTX Topco Ltd | 0.03% | New | 2,984 | $388K |
| Illinois Municipal Retirement Fund | 0.01% | Add +5.0% | 2,970 | $386K |
| Corebridge Financial, Inc. | 0.00% | Reduce -0.6% | 2,969 | $386K |
| MetLife Investment Management, LLC | 0.00% | No change | 2,956 | $384K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Reduce -13.1% | 2,827 | $367K |
| Centiva Capital, LP | 0.02% | Reduce -29.6% | 2,634 | $342K |
| Louisiana State Employees Retirement System | 0.01% | No change | 2,600 | $338K |
| ExodusPoint Capital Management, LP | 0.00% | New | 2,525 | $328K |
| State Board of Administration of Florida Retirement System | 0.00% | No change | 2,500 | $325K |
| SG Americas Securities, LLC | 0.00% | New | 2,327 | $302K |
| Jane Street Group, LLC | 0.00% | Reduce -89.7% | 2,308 | $300K |
| PDT Partners, LLC | 0.03% | New | 2,273 | $295K |
| Avantax Advisory Services, Inc. | 0.00% | New | 2,152 | $280K |
| New York State Common Retirement Fund | 0.00% | No change | 2,143 | $278K |
| Qube Research & Technologies Ltd | 0.00% | Add +37.8% | 2,109 | $274K |
| Yousif Capital Management, LLC | 0.00% | New | 2,097 | $272K |
| Manufacturers Life Insurance Company, The | 0.00% | New | 2,037 | $265K |
| Corton Capital Inc. | 0.13% | New | 2,009 | $261K |
| Teton Advisors, Inc. | 0.12% | Reduce -33.3% | 2,000 | $260K |
| Sherbrooke Park Advisers LLC | 0.05% | New | 1,840 | $239K |
| Maryland State Retirement & Pension System | 0.00% | New | 1,787 | $232K |
"% of holder's portfolio" is MLAB's weight in each manager's 13F, not the share of Mesa Laboratories Inc. the manager owns.