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Livermore
Livermore
ZHEN

Renaissance Technologies LLC

SEC CIK
0001037389
Latest filing
Aug 13, 2026

MLAB holding history

Mesa Laboratories Inc in every 13F filed by Renaissance Technologies LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

MLAB overviewAll 13F holders of MLABFull Q2 2026 holdings

Shares (Q2 2026)
28,900
Value
$2.88M
% of portfolio
<0.1%
Quarters held
22
Since Q1 2021
Holdings of MLAB by Renaissance Technologies LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 202628,900$2.88M<0.1%−2,700−8.5%ReducedHolders
Q1 202631,600$2.79M<0.1%+28,100+802.9%AddedHolders
Q4 20253,500$274.8K<0.1%−7,400−67.9%ReducedHolders
Q3 202510,900$730.4K<0.1%−57,127−84.0%ReducedHolders
Q2 202568,027$6.41M<0.1%+59,827+729.6%AddedHolders
Q1 20258,200$973.0K<0.1%+700+9.3%AddedHolders
Q4 20247,500$989.0K<0.1%−5,900−44.0%ReducedHolders
Q3 202413,400$1.74M<0.1%+11,000+458.3%AddedHolders
Q2 20242,400$208.2K<0.1%−13,700−85.1%ReducedHolders
Q1 202416,100$1.77M<0.1%−14,300−47.0%ReducedHolders
Q4 202330,400$3.19M<0.1%+21,600+245.5%AddedHolders
Q3 20238,800$925.0K<0.1%−14,200−61.7%ReducedHolders
Q2 202323,000$2.96M<0.1%+13,300+137.1%AddedHolders
Q1 20239,700$1.70M<0.1%−8,234−45.9%ReducedHolders
Q4 202217,934$2.98M<0.1%+9,734+118.7%AddedHolders
Q3 20228,200$1.16M<0.1%−4,900−37.4%ReducedHolders
Q2 202213,100$2.67M<0.1%00.0%UnchangedHolders
Q1 202213,100$3.34M<0.1%−2,782−17.5%ReducedHolders
Q4 202115,882$5.21M<0.1%−11,218−41.4%ReducedHolders
Q3 202127,100$8.19M<0.1%+3,400+14.3%AddedHolders
Q2 202123,700$6.43M<0.1%+11,800+99.2%AddedHolders
Q1 202111,900$2.90M<0.1%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.