Mesa LaboratoriesMLAB

13F holders, Q3 2024 (September 30)
166holders +12
28new positions
17sold out
4famous investors
$129.48avg. 13F price*

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

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 Q2 2024 → Q3 2024

InstitutionsTotal Value
New Positions28$7.0M
Exits17$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.

Show all 166 holders