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Equibles

JANE STREET GROUP, LLC

Position in MLAB — Mesa Laboratories Inc /Co/

CIK 1595888 NEW YORK, NY
Back to MLAB Full portfolio

Position in MLAB

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$7,125,788
+$2,700,665 QoQ
Shares Held
71,580
+27.0% QoQ
Ownership
1.28%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#21
of 158 holders
Holding Since
Jun 2020
18 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 Jun 30, 2026

JANE STREET GROUP, LLC holds $850,321,154 across 24 Scientific & Technical Instruments names. MLAB ranks #9 (0.8% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 KEYS
Keysight Technologies, Inc.
 973,351 $340,740,984
2 COHR
Coherent Corp.
 389,513 $153,651,191
3 FTV
Fortive Corp
 1,552,116 $94,818,765
4 ST
Sensata Technologies Holding plc
 1,671,950 $79,818,892
5 NOVT
Novanta Inc
 364,911 $55,698,252
6 VPG
Vishay Precision Group, Inc.
 339,599 $50,909,285
7 CGNX
Cognex Corp
 497,060 $35,997,084
8 VNT
Vontier Corp
 637,723 $18,493,967

All Filings in MLAB

Export CSV
18 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $7,125,788 71,580
2025-12-31 $4,425,123 56,371
2025-09-30 $2,561,591 38,227
2025-06-30 $1,298,822 13,785
2025-03-31 $832,874 7,019
2024-12-31 $4,536,196 34,399
2024-09-30 $299,716 2,308
2024-06-30 $1,947,292 22,442
2023-09-30 $337,905 3,216
2023-06-30 $829,339 6,454
2023-03-31 $890,074 5,094
2022-12-31 $276,573 1,664
2022-09-30 $513,607 3,647
2022-06-30 $425,214 2,085
2021-09-30 $319,896 1,058
2021-03-31 $2,342,470 9,620
2020-12-31 $717,173 2,502
2020-06-30 $352,733 1,627