MESA LABS INC

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MLAB·59064R109·US·Common Stock·Technology - Scientific & Technical Instruments-13D/G

MLAB (MESA LABS INC) is held by 95 institutional investors as of Q2 2026. Largest holders: BlackRock, Inc. ($43.9M), Boston Partners ($26.4M), VANGUARD CAPITAL MANAGEMENT LLC ($23.6M). Net institutional sentiment: Mixed.

95

Holders

(9 Elite)

$379.9M

Total Value

67% (96)

Consensus

64 buying - 32 selling

13F: Jun 30, 2026Insider & Congress: Updated regularly

Smart Money Verdict

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Institutional (13F)72

Insider (Form 4)76

Activist (13D/13G)74

Congressional (STOCK Act)61

Holder Quality

41

★★★★★

Elite

37

★★★★

Strong

49

★★★

Solid

87

★★

Below

86

★

Weak

Held by 95 funds

9 elite

Who's Trading

Source dates: Price Oct 15, 2026 · Insiders Aug 17, 2026 · Activists Oct 9, 2026 · Congress none

ActivistWasatch Advisors LP6.9%Oct 9, 2026

InsiderASAlltoft Jennifer SadieExercise 3K shAug 15, 2026

InsiderSJSullivan John JamesExercise 3K shAug 15, 2026

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Top Holders

Top Holders (95)History

AllNewIncreasedHeldDecreasedExitedFirst report

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Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
BlackRock, Inc.	Increased	440,552(+11.9%)	$43.9M	0.0%	+2.97%	33
Boston Partners	Decreased	265,149(-1.3%)	$26.4M	0.0%	+68.43%	0
VAVANGUARD CAPITAL MANAGEMENT LLC	Increased	237,457(+2.1%)	$23.6M	0.0%	+44.50%	29
AQR CAPITAL MANAGEMENT LLC	Increased	203,739(+19.4%)	$20.3M	0.0%	+47.77%	34
MORGAN STANLEY	Decreased	156,979(-3.2%)	$15.6M	0.0%	+50.91%	0
Diamond Hill Capital Management, LLC (Investment Advisor)	Increased	155,771(+0.3%)	$15.5M	0.1%	+53.27%	34
RAYMOND JAMES FINANCIAL INC	Increased	149,937(+22.0%)	$14.9M	0.0%	+28.07%	34
DIMENSIONAL FUND ADVISORS LP	Increased	148,395(+19.1%)	$14.8M	0.0%	-27.76%	33
GEODE CAPITAL MANAGEMENT, LLC	Increased	139,682(+9.1%)	$13.9M	0.0%	-31.15%	31
JACOBS LEVY EQUITY MANAGEMENT, INC	Increased	130,838(+194.6%)	$13M	0.0%	+38.41%	45
STATE STREET CORP	Increased	124,292(+1.8%)	$12.4M	0.0%	-35.87%	28
Russell Investments Group, Ltd.	Decreased	121,845(-9.8%)	$12.1M	0.0%	+2.41%	0
WASATCH ADVISORS LP	Increased	115,668(+125.8%)	$11.5M	0.1%	+5.28%	45
ROYCE & ASSOCIATES LP	Decreased	113,395(-29.7%)	$11.3M	0.1%	-12.06%	0
FMR LLC	Increased	88,857(+1273.4%)	$8.8M	0.0%	+29.26%	44
DED. E. Shaw & Co., Inc.	Increased	81,755(+49.9%)	$8.1M	0.0%	+52.17%	38
JANE STREET GROUP, LLC	New	71,580	$7.1M	0.0%	+28.48%	38
VPVANGUARD PORTFOLIO MANAGEMENT LLC	Increased	69,350(+31.9%)	$6.9M	0.0%	+40.54%	35
NORTHERN TRUST CORP	Decreased	65,745(-5.1%)	$6.5M	0.0%	-31.09%	0
GOLDMAN SACHS GROUP INC	Decreased	64,322(-8.9%)	$6.4M	0.0%	+39.66%	0

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High Conviction Moves-Smart Money Convergence-Fund Consensus-Double-Down Detection

Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer