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Russell Investments Group, Ltd.

Position in MLAB — Mesa Laboratories Inc /Co/

CIK 1692234 Seattle, WA

Position in MLAB

as of Mar 31, 2026 · filed May 8, 2026
Position Value
$11,942,795
+$2,810,344 QoQ
Shares Held
135,069
+16.1% QoQ
Ownership
2.44%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 80% Shared 0% None 20%

Common Shares in MLAB Over Time

Shares Held

Position Value (USD)

Position in Scientific & Technical Instruments

Technology · as of Mar 31, 2026

Russell Investments Group, Ltd. holds $323,720,779 across 19 Scientific & Technical Instruments names. MLAB ranks #8 (3.7% of the industry book) .

# Ticker Company Shares Value (USD) Open
8 MLAB
Mesa Laboratories Inc /Co/
This page
135,069 $11,942,795

All Filings in MLAB

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25 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $11,942,795 135,069
2025-12-31 $9,132,451 116,337
2025-09-30 $6,646,516 99,187
2025-06-30 $7,488,224 79,476
2025-03-31 $10,330,060 87,056
2024-12-31 $8,976,388 68,070
2024-09-30 $9,682,619 74,562
2024-06-30 $5,184,592 59,751
2024-03-31 $5,189,239 47,291
2023-12-31 $3,772,138 36,004
2023-09-30 $4,043,512 38,484
2023-06-30 $5,310,776 41,329
2023-03-31 $7,089,843 40,576
2022-12-31 $6,640,088 39,950
2022-09-30 $7,422,725 52,707
2022-06-30 $10,565,926 51,809
2022-03-31 $12,550,545 49,241
2021-12-31 $17,040,994 51,940
2021-09-30 $14,318,861 47,357
2021-06-30 $13,013,447 47,990
2021-03-31 $13,502,318 55,451
2020-12-31 $16,273,125 56,772
2020-09-30 $14,835,948 58,235
2020-06-30 $11,484,112 52,971
2020-03-31 $13,963,543 61,761