MESA LABORATORIES INC /CO/

MLABNASDAQ

$132.55+3.25 (+2.51%)as of Oct 2, 2026

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

MESA LABORATORIES INC /CO/ price and activity chart data

Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (+86.1%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
Long Path Partners LP	8.53%	$47.5M	20.24%	Add 17.64%
BlackRock, Inc.	7.87%	$43.9M	0.00%	Not reported
Vanguard Capital Management LLC	4.24%	$23.6M	0.00%	Not reported
AQR Capital Management LLC	3.64%	$20.3M	0.01%	Not reported
Ranger Investment Management, L.P.	3.11%	$17.3M	1.10%	Reduce 14.25%
Morgan Stanley	2.81%	$15.6M	0.00%	Not reported
Diamond Hill Capital Management, LLC (Investment Advisor)	2.78%	$15.5M	0.12%	Add 0.30%
Raymond James Financial Inc	2.68%	$14.9M	0.00%	Not reported
Dimensional Fund Advisors LP	2.65%	$14.8M	0.00%	Not reported
Geode Capital Management, LLC	2.50%	$13.9M	0.00%	Not reported
Kennedy Capital Management LLC	2.47%	$13.8M	0.24%	Reduce 2.84%
Jacobs Levy Equity Management, Inc	2.34%	$13M	0.05%	Not reported
State Street Corp	2.22%	$12.4M	0.00%	Not reported
Russell Investments Group, Ltd.	2.18%	$12.1M	0.01%	Not reported
Wasatch Advisors LP	2.07%	$11.5M	0.08%	Add 125.77%
Royce & Associates LP	2.03%	$11.3M	0.09%	Not reported
Crawford Investment Counsel Inc	1.77%	$9.84M	0.16%	Add 3.42%
FMR LLC	1.59%	$8.85M	0.00%	Not reported
D. E. Shaw & Co., Inc.	1.46%	$8.14M	0.00%	Not reported
Jane Street Group, LLC	1.28%	$7.13M	0.00%	Not reported
Vanguard Portfolio Management LLC	1.24%	$6.9M	0.00%	Not reported
Meros Investment Management, LP	1.21%	$6.77M	2.15%	Reduce 0.10%
Northern Trust Corp	1.17%	$6.54M	0.00%	Not reported
Goldman Sachs Group Inc	1.15%	$6.4M	0.00%	Not reported
Gabelli Funds LLC	1.12%	$6.22M	0.04%	Not reported
Monimus Capital Management, LP	0.99%	$5.51M	1.28%	Reduce 45.36%
Charles Schwab Investment Management Inc	0.97%	$5.42M	0.00%	Not reported
Bank of America Corp	0.89%	$4.97M	0.00%	Not reported
Bank of New York Mellon Corp	0.81%	$4.54M	0.00%	Not reported
HERALD INVESTMENT MANAGEMENT Ltd	0.76%	$4.23M	0.57%	Reduce 15.00%
Vanguard Fiduciary Trust Co	0.71%	$3.94M	0.00%	Not reported
Qube Research & Technologies Ltd	0.67%	$3.72M	0.00%	Not reported
Citadel Advisors LLC	0.64%	$3.57M	0.00%	Not reported
Jupiter Topco LLC	0.55%	$3.09M	0.00%	Not reported
Two Sigma Investments, LP	0.52%	$2.91M	0.00%	Not reported
Renaissance Technologies LLC	0.52%	$2.88M	0.00%	Not reported
BBR Partners, LLC	0.45%	$2.51M	0.12%	Not reported
Man Group plc	0.43%	$2.4M	0.00%	Not reported
Point72 Asset Management, L.P.	0.40%	$2.24M	0.00%	Not reported
American Century Companies Inc	0.36%	$2.03M	0.00%	Not reported
Rice Hall James & Associates, LLC	0.34%	$1.89M	0.09%	Add 33.37%
State of Wisconsin Investment Board	0.34%	$1.88M	0.00%	Not reported
Segall Bryant & Hamill, LLC	0.32%	$1.8M	0.02%	Reduce 0.36%
Numerai GP LLC	0.32%	$1.77M	0.14%	Add 62.24%
XTX Topco Ltd	0.31%	$1.74M	0.02%	Not reported
King Luther Capital Management Corp	0.31%	$1.73M	0.01%	Not reported
Creative Planning	0.30%	$1.65M	0.00%	Not reported
Royal Bank of Canada	0.26%	$1.47M	0.00%	Not reported
Engineers Gate Manager LP	0.26%	$1.47M	0.02%	Not reported
Mariner, LLC	0.26%	$1.43M	0.00%	Not reported

50 of 152 holders

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