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 2021 vs. Q3 2021

How the institutions holding Mesa Laboratories Inc changed between Q3 2021 and Q4 2021.

All holders in Q4 2021 All holders in Q3 2021

13F holders of MLAB: Q3 2021 compared with Q4 2021
Measure	Q3 2021	Of which not filed for Q4 2021	Q4 2021	Change
Holders	172	1	178	+7
Shares	4.77M	6.03K	4.79M	+31.4K (+0.7%)
Value	$1.44B	$1.82M	$1.57B	+$131.0M (+9.1%)

1 institution that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so the changes leave them out.

New holders (24)

Institutions that held Mesa Laboratories Inc at the end of Q4 2021 but not at the end of Q3 2021.

Institutions new to MLAB in Q4 2021
Institution	Shares	Value	% of portfolio
Allspring Global Investments Holdings, LLC	8,960	$2.94M	0.00%
Yousif Capital Management, LLC	4,731	$1.55M	0.02%
Alberta Investment Management Corp	2,825	$927.0K	0.01%
Highland Capital Management Fund Advisors, L.P.	2,300	$755.0K	0.11%
Virginia Retirement Systems Et Al	1,600	$525.0K	0.00%
Holocene Advisors, LP	1,418	$465.0K	0.00%
First Republic Investment Management, Inc.	1,162	$381.0K	0.00%
Janus Henderson Group PLC	1,040	$342.0K	0.00%
Lindenwold Advisors	853	$280.0K	0.16%
Susquehanna Fundamental Investments, LLC	775	$254.0K	0.01%
Susquehanna International Group, LLP	703	$231.0K	0.00%
Altshuler Shaham Ltd	573	$188.0K	0.00%
Aquatic Capital Management LLC	100	$33.0K	0.06%
Confluence Wealth Services, Inc.	95	$31.0K	0.01%
City State Bank	75	$25.0K	0.02%
KB Financial Partners, LLC	28	$9.00K	0.00%
Bessemer Group Inc	15	$5.00K	0.00%
Massmutual Trust Co FSB	14	$5.00K	0.00%
Reilly Financial Advisors, LLC	13	$4.00K	0.00%
Quadrant Capital Group LLC	6	$2.00K	0.00%
Albion Financial Group	2	$1.00K	0.00%
Ellevest, Inc.	3	$1.00K	0.00%
Covestor Ltd	2	$1.00K	0.00%
Toronto Dominion Bank	1	$0	0.00%

Sold out (17)

Institutions that held Mesa Laboratories Inc at the end of Q3 2021 and filed for Q4 2021 without it.

Institutions that sold out of MLAB in Q4 2021
Institution	Shares, Q3 2021	Value, Q3 2021
Winton Group Ltd	4,784	$1.45M
Jefferies Group LLC	4,200	$1.27M
M&G Investment Management Ltd	3,917	$1.18M
Quadrature Capital Ltd	2,568	$779.0K
Lido Advisors, LLC	2,201	$665.0K
TD Asset Management Inc	2,078	$628.0K
First Trust Advisors LP	2,043	$618.0K
SG Americas Securities, LLC	1,931	$584.0K
Cubist Systematic Strategies, LLC	1,872	$566.0K
Jane Street Group, LLC	1,058	$320.0K
Two Sigma Investments, LP	800	$242.0K
Cresset Asset Management, LLC	731	$221.0K
Centiva Capital, LP	667	$202.0K
Meeder Asset Management Inc	174	$53.0K
Global Retirement Partners, LLC	28	$8.00K
Guidance Point Advisors, LLC	16	$4.00K
Carroll Financial Associates, Inc.	6	$1.00K

Not filed for Q4 2021 yet (1)

Institutions that held Mesa Laboratories Inc at the end of Q3 2021 and haven't filed a 13F for Q4 2021. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding MLAB in Q3 2021 that haven't filed for Q4 2021
Institution	Shares, Q3 2021	Value, Q3 2021
Marshall Wace North America L.P.	6,033	$1.82M