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RHUMBLINE ADVISERS

Position in MLAB — Mesa Laboratories Inc /Co/

CIK 1115418 BOSTON, MA

Position in MLAB

as of Mar 31, 2026 · filed May 12, 2026
Position Value
$578,885
+$59,451 QoQ
Shares Held
6,547
-1.1% QoQ
Ownership
0.118%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 21% Shared 0% None 79%

Common Shares in MLAB Over Time

Shares Held

Position Value (USD)

Position in Scientific & Technical Instruments

Technology · as of Mar 31, 2026

RHUMBLINE ADVISERS holds $500,412,104 across 19 Scientific & Technical Instruments names. MLAB ranks #16 (0.1% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in MLAB

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25 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $578,885 6,547
2025-12-31 $519,434 6,617
2025-09-30 $505,255 7,540
2025-06-30 $1,205,356 12,793
2025-03-31 $1,617,098 13,628
2024-12-31 $1,721,958 13,058
2024-09-30 $1,739,474 13,395
2024-06-30 $1,166,535 13,444
2024-03-31 $1,825,468 16,636
2023-12-31 $1,692,664 16,156
2023-09-30 $1,637,515 15,585
2023-06-30 $1,960,010 15,253
2023-03-31 $2,608,544 14,929
2022-12-31 $2,331,427 14,027
2022-09-30 $1,944,439 13,807
2022-06-30 $2,773,176 13,598
2022-03-31 $3,586,926 14,073
2021-12-31 $4,586,698 13,980
2021-09-30 $4,138,703 13,688
2021-06-30 $4,099,819 15,119
2021-03-31 $3,324,992 13,655
2020-12-31 $3,825,784 13,347
2020-09-30 $3,163,100 12,416
2020-06-30 $2,508,376 11,570
2020-03-31 $2,773,446 12,267