Mesa Laboratories Inc

MLAB

Exchange: Nasdaq
Industry: Industrial Instruments For Measurement, Display, and Control
SEC CIK: 0000724004

SEC filings (opens in a new tab)

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.

Q4 2023 vs. Q3 2023

How the institutions holding Mesa Laboratories Inc changed between Q3 2023 and Q4 2023.

All holders in Q4 2023 All holders in Q3 2023

13F holders of MLAB: Q3 2023 compared with Q4 2023
Measure	Q3 2023	Of which not filed for Q4 2023	Q4 2023	Change
Holders	154	2	158	+6
Shares	4.92M	3.80K	4.84M	−74.0K (−1.5%)
Value	$515.1M	$398.4K	$507.5M	−$7.21M (−1.4%)

2 institutions that held it in Q3 2023 haven't filed for Q4 2023 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 Q4 2023 but not at the end of Q3 2023.

Institutions new to MLAB in Q4 2023
Institution	Shares	Value	% of portfolio
Boone Capital Management LLC	64,064	$6.71M	1.57%
Zacks Investment Management	16,185	$1.70M	0.02%
B. Riley Asset Management, LLC	12,190	$1.19M	0.43%
State of Wisconsin Investment Board	10,010	$1.05M	0.00%
Boothbay Fund Management, LLC	6,441	$674.8K	0.03%
PDT Partners, LLC	4,838	$506.9K	0.06%
Deerfield Management Company, L.P. (Series C)	4,313	$451.9K	0.01%
Algert Global LLC	3,890	$407.6K	0.02%
Squarepoint Ops LLC	3,608	$378.0K	0.00%
ExodusPoint Capital Management, LP	2,200	$230.0K	0.00%
Caxton Associates LP	1,930	$202.2K	0.01%
Smartleaf Asset Management LLC	916	$97.1K	0.03%
Asset Dedication, LLC	830	$87.0K	0.01%
EntryPoint Capital, LLC	548	$57.4K	0.06%
Advisory Services Network, LLC	167	$17.5K	0.00%
GAMMA Investing LLC	175	$16.0K	0.00%
Raleigh Capital Management Inc.	81	$8.49K	0.00%
Nelson, Van Denburg & Campbell Wealth Management Group, LLC	74	$7.75K	0.00%
EverSource Wealth Advisors, LLC	47	$4.92K	0.00%
Pineridge Advisors LLC	14	$1.47K	0.00%
Principal Securities, Inc.	10	$1.05K	0.00%
Fairman Group, LLC	8	$838	0.00%
Lindbrook Capital, LLC	6	$629	0.00%
SYSTM Wealth Solutions LLC	5	$524	0.00%
Glassman Wealth Services	2	$210	0.00%
Farther Finance Advisors, LLC	1	$105	0.00%

Sold out (20)

Institutions that held Mesa Laboratories Inc at the end of Q3 2023 and filed for Q4 2023 without it.

Institutions that sold out of MLAB in Q4 2023
Institution	Shares, Q3 2023	Value, Q3 2023
DF Dent & Co Inc	54,556	$5.73M
Schroder Investment Management Group	34,317	$3.61M
Kent Lake Capital LLC	28,204	$2.96M
Dark Forest Capital Management LP	7,480	$785.9K
Millennium Management LLC	5,536	$581.7K
Daiwa Securities Group Inc.	4,603	$484.0K
M&T Bank Corp	3,992	$419.3K
Commonwealth of Pennsylvania Public School Empls Retrmt Sys	3,420	$359.3K
Jane Street Group, LLC	3,216	$337.9K
Tudor Investment Corp Et Al	3,170	$333.1K
SG Americas Securities, LLC	2,928	$308.0K
Voloridge Investment Management, LLC	2,853	$299.8K
Y-Intercept (Hong Kong) Ltd	2,071	$217.6K
Captrust Financial Advisors	2,054	$215.8K
Oppenheimer Asset Management Inc.	1,931	$202.9K
Harbor Investment Advisory, LLC	257	$27.0K
Wolverine Asset Management LLC	108	$11.3K
Operose Advisors LLC	65	$6.83K
L2 Asset Management, LLC	20,192	$1.37K
Nisa Investment Advisors, LLC	6	$630

Not filed for Q4 2023 yet (2)

Institutions that held Mesa Laboratories Inc at the end of Q3 2023 and haven't filed a 13F for Q4 2023. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding MLAB in Q3 2023 that haven't filed for Q4 2023
Institution	Shares, Q3 2023	Value, Q3 2023
First Republic Investment Management, Inc.	3,773	$396.4K
KB Financial Partners, LLC	23	$2.00K