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CITADEL ADVISORS LLC

Position in MLAB — Mesa Laboratories Inc /Co/

CIK 1423053 MIAMI, FL

Position in MLAB

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$744,760
-$3,849,138 QoQ
Shares Held
8,423
-85.6% QoQ
Ownership
0.152%
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 100% Shared 0% None 0%

Common Shares in MLAB Over Time

Shares Held

Position Value (USD)

Position in Scientific & Technical Instruments

Technology · as of Mar 31, 2026

CITADEL ADVISORS LLC holds $871,109,883 across 24 Scientific & Technical Instruments names. MLAB ranks #16 (0.1% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in MLAB

Export CSV
25 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $744,760 8,423
2025-12-31 $4,593,898 58,521
2025-09-30 $2,290,267 34,178
2025-06-30 $2,531,974 26,873
2025-03-31 $721,690 6,082
2024-12-31 $898,957 6,817
2024-09-30 $1,391,449 10,715
2024-06-30 $2,142,785 24,695
2024-03-31 $3,706,679 33,780
2023-12-31 $2,856,868 27,268
2023-09-30 $2,746,318 26,138
2023-06-30 $6,038,086 46,989
2023-03-31 $773,529 4,427
2022-12-31 $8,399,920 50,538
2022-09-30 $3,137,832 22,281
2022-06-30 $938,327 4,601
2022-03-31 $3,779,869 14,830
2021-12-31 $504,930 1,539
2021-09-30 $734,734 2,430
2021-06-30 $1,524,517 5,622
2021-03-31 $2,710,155 11,130
2020-12-31 $3,465,763 12,091
2020-09-30 $1,328,317 5,214
2020-06-30 $2,839,212 13,096
2020-03-31 $660,634 2,922