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Mesa Laboratories, Inc. (MLAB) Institutional Ownership & Insider Trading

159 institutions reported holding Mesa Laboratories, Inc. shares in 13F filings for the quarter ended 2026-06-30, according to EquiReason's reading of their SEC filings. 12 insider trades on Form 4 since 2025-10-01.

Source: SEC EDGAR filings · figures as of 2026-06-30 · read by EquiReason

MLABMesa Laboratories, Inc.Follow MLAB — free
Scientific & Technical Instruments · Technology
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Price chart with a free account
Market cap
720.0M
P/E TTM
—
Dividend yield
0.5%
52-week
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Next earnings
5 Nov, in 12 days

Institutions · all 13F filers

quarter to 30 Jun 2026 · filers in both quarters

159 institutions held 89.9% of the shares. Across filers that reported both quarters, shares held changed +5.3%.

Increased+71New+17Decreased-35Closed-13

Largest moves, shares (millions)

Jacobs Levy Equity…+0.1MFMR+0.1MJane Street Group+0.1MSelect Equity Group-0.2MRoubaix Capital-0.1MRoyce & Associates-0.0M

Institutional flow by quarter

net shares added or trimmed, millions · filers in both quarters
-0.3Sep 24+0.2Dec 24+0.0Mar 25+0.0Jun 25-0.2Sep 25-0.1Dec 25+0.1Mar 26+0.3Jun 26
QuarterHoldersShares held, MChangeIncreasedNewDecreasedClosed
Jun 261595+5.3%71173513
Mar 261595+1.8%56194017
Dec 251585-1.9%52304211
Sep 251375-4.6%40205336
Jun 251545+0.9%45194814
Mar 251515+0.9%48155018
Dec 241565+4.8%5194516
Sep 241645-6.1%45264516

Mesa Laboratories, Inc. — questions

Who owns Mesa Laboratories, Inc. stock?
159 institutions reported Mesa Laboratories, Inc. shares in 13F filings for the quarter ended 2026-06-30. The largest: Long Path Partners LP (8.5%), BlackRock, Inc. (7.9%), Boston Partners (4.7%).
Are Mesa Laboratories, Inc. insiders buying or selling?
12 insider trades on Form 4 since 2025-10-01; the full list, with dates, people and plan status, is on this page.

Every figure on this page comes from Mesa Laboratories, Inc.'s own SEC filings — see them on SEC EDGAR. Price data is licensed and shown only inside the product.

How these figures are read: methodology · EquiReason.