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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.

Q3 2025 vs. Q2 2025

How the institutions holding Mesa Laboratories Inc changed between Q2 2025 and Q3 2025.

All holders in Q3 2025All holders in Q2 2025

13F holders of MLAB: Q2 2025 compared with Q3 2025
MeasureQ2 2025Of which not filed for Q3 2025Q3 2025Change
Holders1551141−13
Shares5.19M804.98M−206.3K (−4.0%)
Value$489.1M$7.54K$334.0M−$155.1M (−31.7%)

1 institution that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (26)

Institutions that held Mesa Laboratories Inc at the end of Q3 2025 but not at the end of Q2 2025.

Institutions new to MLAB in Q3 2025
InstitutionSharesValue% of portfolio
Simcoe Capital Management, LLC190,929$12.8M1.85%
Kent Lake PR LLC134,516$9.01M4.61%
Roubaix Capital, LLC76,657$5.14M2.39%
Mason Capital Management LLC70,300$4.71M0.96%
Cubist Systematic Strategies, LLC35,988$2.41M0.03%
Monimus Capital Management, LP33,744$2.26M1.68%
State of Wisconsin Investment Board18,406$1.23M0.00%
Marshall Wace, LLP14,600$978.3K0.00%
Two Sigma Investments, LP9,623$644.8K0.00%
Point72 Asia (Singapore) Pte. Ltd.5,485$367.6K0.06%
EntryPoint Capital, LLC4,245$284.5K0.11%
Acadian Asset Management LLC4,042$268.0K0.00%
Balyasny Asset Management LLC3,972$266.2K0.00%
Jacobs Levy Equity Management, Inc3,857$258.5K0.00%
Numerai GP LLC3,610$241.9K0.03%
Quantbot Technologies LP2,662$178.4K0.00%
Point72 (DIFC) Ltd576$38.6K0.00%
Rockefeller Capital Management L.P.148$9.94K0.00%
Covestor Ltd106$7.00K0.00%
Versant Capital Management, Inc61$4.09K0.00%
Optiver Holding B.V.38$2.55K0.00%
Allworth Financial LP26$1.74K0.00%
Cedar Mountain Advisors, LLC10$6700.00%
Essential Partners LLC7$4690.00%
Salomon & Ludwin, LLC4$2930.00%
True Wealth Design, LLC2$1350.00%

Sold out (39)

Institutions that held Mesa Laboratories Inc at the end of Q2 2025 and filed for Q3 2025 without it.

Institutions that sold out of MLAB in Q3 2025
InstitutionShares, Q2 2025Value, Q2 2025
Wellington Management Group LLP22,471$2.12M
Public Sector Pension Investment Board18,528$1.75M
UBS Asset Management Americas Inc17,403$1.64M
Swiss National Bank10,402$980.1K
Man Group plc7,869$741.4K
Great West Life Assurance Co6,927$653.0K
Prudential Financial Inc5,658$533.1K
RSM US Wealth Management LLC4,971$468.4K
Dynamic Technology Lab Private Ltd4,801$452.0K
Thrivent Financial for Lutherans3,996$377.0K
Franklin Resources Inc3,476$327.5K
Illinois Municipal Retirement Fund2,884$271.7K
Wiley Bros.-Aintree Capital, LLC2,664$251.0K
Intech Investment Management LLC2,593$244.3K
State Board of Administration of Florida Retirement System2,564$241.6K
Los Angeles Capital Management LLC2,504$235.9K
Louisiana State Employees Retirement System2,500$235.6K
Cambridge Investment Research Advisors, Inc.2,252$212.0K
Virtu Financial LLC2,226$210.0K
MQS Management LLC2,194$206.7K
Teachers Retirement System of the State of Kentucky1,613$152.0K
Pacer Advisors, Inc.1,354$127.6K
Oregon Public Employees Retirement Fund1,278$120.4K
New York State Teachers Retirement System1,159$109.0K
KLP Kapitalforvaltning AS1,000$94.2K
Bank of Montreal900$84.8K
Zurcher Kantonalbank (Zurich Cantonalbank)148$13.9K
Skopos Labs, Inc.96$9.05K
Annis Gardner Whiting Capital Advisors, LLC94$8.86K
BNP PARIBAS ASSET MANAGEMENT Holding S.A.62$6.00K
Massmutual Trust Co FSB46$4.33K
Caitong International Asset Management Co., Ltd31$2.92K
Umb Bank N A10$942
Beacon Capital Management, LLC6$568
Larson Financial Group LLC5$471
Farmers & Merchants Investments Inc4$377
Parkside Financial Bank & Trust1$95
TFC Financial Management1$95
Twin Peaks Wealth Advisors, LLC1$63

Not filed for Q3 2025 yet (1)

Institutions that held Mesa Laboratories Inc at the end of Q2 2025 and haven't filed a 13F for Q3 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding MLAB in Q2 2025 that haven't filed for Q3 2025
InstitutionShares, Q2 2025Value, Q2 2025
First Horizon Advisors, Inc.80$7.54K