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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, Q1 2026

Institutional positions in Mesa Laboratories Inc as of Mar 31, 2026. 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
161
+6 vs. Q4 2025
Shares held
4.83M
+405.3K (+9.2%) vs. Q4 2025
Total value
$426.6M
+$79.4M (+22.9%) vs. Q4 2025
New holders
26
61 more added
Sold out
20
42 more reduced

4 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2025: 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.

Institutional holdersQ1 2026: 161 institutions
Q1 2021: 173 institutionsQ2 2021: 159 institutionsQ3 2021: 172 institutionsQ4 2021: 178 institutionsQ1 2022: 175 institutionsQ2 2022: 175 institutionsQ3 2022: 164 institutionsQ4 2022: 160 institutionsQ1 2023: 160 institutionsQ2 2023: 161 institutionsQ3 2023: 154 institutionsQ4 2023: 158 institutionsQ1 2024: 155 institutionsQ2 2024: 155 institutionsQ3 2024: 166 institutionsQ4 2024: 157 institutionsQ1 2025: 151 institutionsQ2 2025: 155 institutionsQ3 2025: 141 institutionsQ4 2025: 159 institutionsQ1 2026: 161 institutionsQ2 2026: 159 institutions
Value heldQ1 2026: $426.6M
Q1 2021: $1.12BQ2 2021: $1.28BQ3 2021: $1.44BQ4 2021: $1.57BQ1 2022: $1.24BQ2 2022: $1.00BQ3 2022: $680.9MQ4 2022: $846.5MQ1 2023: $877.7MQ2 2023: $630.0MQ3 2023: $515.1MQ4 2023: $507.5MQ1 2024: $534.3MQ2 2024: $424.4MQ3 2024: $633.6MQ4 2024: $673.0MQ1 2025: $613.4MQ2 2025: $489.1MQ3 2025: $334.0MQ4 2025: $372.5MQ1 2026: $426.6MQ2 2026: $500.8M
Institutions holding MLAB and their total value by quarter
QuarterHoldersValue
Q2 2026159$500.8M
Q1 2026161$426.6M
Q4 2025159$372.5M
Q3 2025141$334.0M
Q2 2025155$489.1M
Q1 2025151$613.4M
Q4 2024157$673.0M
Q3 2024166$633.6M
Q2 2024155$424.4M
Q1 2024155$534.3M
Q4 2023158$507.5M
Q3 2023154$515.1M
Q2 2023161$630.0M
Q1 2023160$877.7M
Q4 2022160$846.5M
Q3 2022164$680.9M
Q2 2022175$1.00B
Q1 2022175$1.24B
Q4 2021178$1.57B
Q3 2021172$1.44B
Q2 2021159$1.28B
Q1 2021173$1.12B

Institutions, Q1 2026

Shares, value and share of portfolio for each institution holding Mesa Laboratories Inc; share changes are against Q4 2025.

Institutions holding MLAB in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Bruce G. Allen Investments, LLC1$460.00%00.0%Unchanged
Transamerica Financial Advisors, Inc.1$880.00%+1New
Gilpin Wealth Management, LLC1$890.00%00.0%Unchanged
JPL Wealth Management, LLC2$1770.00%+2New
Fifth Third Bancorp4$3360.00%+4New
Caitong International Asset Management Co., Ltd4$3540.00%+4New
Salomon & Ludwin, LLC4$3640.00%00.0%Unchanged
Sunbelt Securities, Inc.5$4420.00%00.0%Unchanged
Basecamp Wealth Advisors LLC5$4420.00%+5New
Quadrant Capital Group LLC5$4430.00%−5−50.0%Reduced
Signaturefd, LLC6$5310.00%00.0%Unchanged
Cornerstone Financial Management LLC7$6190.00%00.0%Unchanged
IFP Advisors, Inc8$7070.00%+7+700.0%Added
Cedar Mountain Advisors, LLC10$8840.00%00.0%Unchanged
Parkside Financial Bank & Trust10$8880.00%00.0%Unchanged
Jones Financial Companies LLLP11$9030.00%+9+450.0%Added
Advisor Group Holdings, Inc.14$1.24K0.00%00.0%Unchanged
Larson Financial Group LLC17$1.50K0.00%00.0%Unchanged
SJS Investment Consulting Inc.20$1.77K0.00%+18+900.0%Added
True Wealth Design, LLC24$2.12K0.00%+20+500.0%Added
Wealth Preservation Advisors, LLC25$2.21K0.00%+25New
Parallel Advisors, LLC27$2.39K0.00%+27New
Optiver Holding B.V.32$2.83K0.00%+32New
Sterling Capital Management LLC34$3.01K0.00%−2−5.6%Reduced
Los Angeles Capital Management LLC34$3.01K0.00%00.0%Unchanged
Sound Income Strategies, LLC40$3.55K0.00%00.0%Unchanged
Hantz Financial Services, Inc.49$4.00K0.00%−11−18.3%Reduced
Bessemer Group Inc42$4.00K0.00%00.0%Unchanged
Root Financial Partners, LLC74$6.54K0.00%+74New
Harbour Investments, Inc.82$7.30K0.00%00.0%Unchanged
Rothschild Investment LLC109$9.64K0.00%+84+336.0%Added
Covestor Ltd115$10.0K0.01%+11+10.6%Added
EverSource Wealth Advisors, LLC117$10.3K0.00%+93+387.5%Added
Steward Partners Investment Advisory, LLC117$10.3K0.00%+117New
Millstone Evans Group, LLC120$10.6K0.01%+120New
Essential Partners LLC124$11.0K0.00%+110+785.7%Added
Versant Capital Management, Inc130$11.5K0.00%+69+113.1%Added
Rockefeller Capital Management L.P.132$11.7K0.00%+13+10.9%Added
Nisa Investment Advisors, LLC149$13.2K0.00%00.0%Unchanged
GAMMA Investing LLC198$17.5K0.00%+180+1,000.0%Added
MAI Capital Management198$17.5K0.00%+189+2,100.0%Added
Hilltop National Bank200$17.7K0.00%00.0%Unchanged
Allworth Financial LP249$22.0K0.00%+209+522.5%Added
The PNC Financial Services Group, Inc.254$22.5K0.00%−84−24.9%Reduced
State of Alaska, Department of Revenue278$24.0K0.00%00.0%Unchanged
California State Teachers Retirement System284$25.1K0.00%−39−12.1%Reduced
Citigroup Inc372$32.9K0.00%+146+64.6%Added
Quantbot Technologies LP409$36.2K0.00%−1,686−80.5%Reduced
Legal & General Group Plc469$41.5K0.00%−79−14.4%Reduced
Farther Finance Advisors, LLC469$41.5K0.00%+45+10.6%Added
Tower Research Capital LLC (TRC)481$42.5K0.00%−83−14.7%Reduced
Rocky Mountain Advisers, LLC500$44.2K0.01%00.0%Unchanged
Ameritas Investment Partners, Inc.509$45.0K0.00%00.0%Unchanged
Huntington National Bank674$59.6K0.00%+461+216.4%Added
Geneos Wealth Management Inc.728$64.4K0.00%00.0%Unchanged
SRS Capital Advisors, Inc.730$64.6K0.00%+38+5.5%Added
Asset Dedication, LLC830$73.4K0.01%00.0%Unchanged
Barclays PLC1,002$88.6K0.00%−7,184−87.8%Reduced
Smartleaf Asset Management LLC1,143$97.2K0.00%−59−4.9%Reduced
BNP Paribas Arbitrage, SA1,168$103.3K0.00%−8,238−87.6%Reduced
Public Employees Retirement Association of Colorado1,181$104.0K0.00%00.0%Unchanged
Police & Firemen's Retirement System of New Jersey1,331$117.7K0.00%00.0%Unchanged
US Bancorp1,461$129.2K0.00%+124+9.3%Added
Wells Fargo & Company1,916$169.4K0.00%−3,836−66.7%Reduced
Vanguard Global Advisers, LLC1,992$176.1K0.00%+1,992New
New York State Common Retirement Fund2,143$189.5K0.00%00.0%Unchanged
Captrust Financial Advisors2,361$208.7K0.00%+2,361New
Man Group plc2,477$219.0K0.00%−10,910−81.5%Reduced
State Board of Administration of Florida Retirement System2,564$226.7K0.00%00.0%Unchanged
SG Americas Securities, LLC2,667$236.0K0.00%−942−26.1%Reduced
MetLife Investment Management2,888$255.4K0.00%00.0%Unchanged
Skopos Labs, Inc.2,913$257.5K0.01%−663−18.5%Reduced
Mercer Global Advisors Inc3,100$274.1K0.00%+3,100New
Squarepoint Ops LLC3,187$281.8K0.00%+440+16.0%Added
Wealth Enhancement Advisory Services, LLC3,224$293.6K0.00%+3,224New
Graham Capital Management, L.P.3,329$294.4K0.01%−394−10.6%Reduced
Kings Path Partners LLC3,405$301.1K0.10%00.0%Unchanged
EntryPoint Capital, LLC3,469$306.7K0.09%00.0%Unchanged
JPMorgan Chase & Co3,687$313.7K0.00%−413−10.1%Reduced
Price T Rowe Associates Inc3,637$322.0K0.00%+496+15.8%Added
Engineers Gate Manager LP3,766$333.0K0.00%+735+24.2%Added
Acadian Asset Management LLC3,863$341.0K0.00%−5,802−60.0%Reduced
Inceptionr LLC4,078$360.6K0.09%+4,078New
Quantinno Capital Management LP4,318$381.8K0.00%+657+17.9%Added
LPL Financial LLC4,553$402.6K0.00%−431−8.6%Reduced
Alliancebernstein L.P.5,302$416.2K0.00%−122−2.2%Reduced
Deutsche Bank AG5,043$445.9K0.00%+603+13.6%Added
Mirae Asset Global ETFs Holdings Ltd.5,316$470.0K0.00%+261+5.2%Added
CWM, LLC5,809$513.6K0.00%+4,324+291.2%Added
XTX Topco Ltd6,201$548.3K0.01%−6,400−50.8%Reduced
Y-Intercept (Hong Kong) Ltd6,315$558.4K0.01%+6,315New
FMR LLC6,470$572.1K0.00%+5,624+664.8%Added
Rhumbline Advisers6,547$578.9K0.00%−70−1.1%Reduced
Canada Pension Plan Investment Board6,800$601.3K0.00%+3,100+83.8%Added
Tudor Investment Corp Et Al6,874$607.8K0.00%−20,552−74.9%Reduced
Cerity Partners LLC7,245$640.6K0.00%+3,884+115.6%Added
SEI Investments Co7,403$654.7K0.00%−968−11.6%Reduced
Vident Advisory, LLC7,608$672.7K0.01%+7,608New
Gamco Investors, Inc. Et Al7,834$692.7K0.01%+80+1.0%Added
Citadel Advisors LLC8,423$744.8K0.00%−50,098−85.6%Reduced