Mesa LaboratoriesMLAB

13F holders, Q4 2024 (December 31)
156holders −10
10new positions
19sold out
4famous investors
$131.87avg. 13F price*

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

050100150200 Q1 2024: 155Q1 2024Q2 2024: 154Q2 2024Q3 2024: 166Q3 2024Q4 2024: 156Q4 2024Q1 2025: 151Q1 2025Q2 2025: 154Q2 2025Q3 2025: 141Q3 2025Q4 2025: 159Q4 2025Q1 2026: 161Q1 2026Q2 2026: 159Q2 2026

Total Exit/New Position Q3 2024 → Q4 2024

InstitutionsTotal Value
New Positions10$7.9M
Exits19$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.

Show all 156 holders