Cliff Asness's MLAB Position Overview
Cliff Asness (via Aqr Capital Management LLC) currently holds 32,639 shares of Mesa Laboratories, Inc. (MLAB) worth $2.19 M, representing 0.00% of the portfolio. First purchased in 2015-Q2, this long-term strategic position has been held for 42 quarters.
Based on 13F filings since 2013, Cliff Asness has maintained a long-term strategic position in MLAB, representing a significant commitment to this investment thesis. Largest addition occurred in Q3 2025, adding 24,912 shares. Largest reduction occurred in Q3 2024, reducing 6,571 shares.
Analysis based on 13F filings available since 2013 Q2
Cliff Asness's Mesa Laboratories (MLAB) Holding Value Over Time
Track share changes against reported price movement
Quarterly Mesa Laboratories (MLAB) Trades by Cliff Asness
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q2 2015 | +2,300 | New Buy | 2,300 | $88.70 |
| Q3 2015 | -2,300 | Sold Out | 2,300 | $88.70 |
| Q4 2015 | +3,751 | New Buy | 3,751 | $99.44 |
| Q1 2016 | -1,555 | Reduce 41.46% | 2,196 | $96.54 |
| Q2 2016 | +721 | Add 32.83% | 2,917 | $123.07 |
| Q3 2016 | +827 | Add 28.35% | 3,744 | $114.32 |
| Q4 2016 | -482 | Reduce 12.87% | 3,262 | $122.62 |
| Q1 2018 | +21 | Add 0.64% | 3,283 | $148.34 |
| Q2 2018 | -1,186 | Reduce 36.13% | 2,097 | $211.25 |
| Q3 2018 | +1,726 | Add 82.31% | 3,823 | $185.72 |
| Q4 2018 | -1,304 | Reduce 34.11% | 2,519 | $208.42 |
| Q1 2019 | -292 | Reduce 11.59% | 2,227 | $230.35 |
| Q2 2019 | +291 | Add 13.07% | 2,518 | $244.24 |
| Q3 2019 | -1,088 | Reduce 43.21% | 1,430 | $237.76 |
| Q4 2019 | -236 | Reduce 16.50% | 1,194 | $249.58 |
| Q1 2020 | -1,194 | Sold Out | 1,194 | $249.58 |
| Q2 2023 | +8,168 | New Buy | 8,168 | $128.50 |
| Q3 2023 | +6,546 | Add 80.14% | 14,714 | $105.07 |
| Q4 2023 | +3,078 | Add 20.92% | 17,792 | $104.77 |
| Q1 2024 | +3,842 | Add 21.59% | 21,634 | $109.73 |
| Q2 2024 | -3,631 | Reduce 16.78% | 18,003 | $86.77 |
| Q3 2024 | -6,571 | Reduce 36.50% | 11,432 | $129.86 |
| Q4 2024 | -547 | Reduce 4.78% | 10,885 | $131.87 |
| Q1 2025 | -2,729 | Reduce 25.07% | 8,156 | $118.66 |
| Q2 2025 | -429 | Reduce 5.26% | 7,727 | $94.22 |
| Q3 2025 | +24,912 | Add 322.40% | 32,639 | $67.01 |
Cliff Asness's Mesa Laboratories Investment FAQs
Cliff Asness first purchased Mesa Laboratories, Inc. (MLAB) in Q2 2015, acquiring 2,300 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Cliff Asness has held Mesa Laboratories, Inc. (MLAB) for 42 quarters since Q2 2015.
Cliff Asness's largest addition to Mesa Laboratories, Inc. (MLAB) was in Q3 2025, adding 32,639 shares worth $2.19 M.
According to the latest 13F filing for Q3 2025, Cliff Asness's firm, Aqr Capital Management LLC, owns 32,639 shares of Mesa Laboratories, Inc. (MLAB), valued at approximately $2.19 M.
As of the Q3 2025 filing, Mesa Laboratories, Inc. (MLAB) represents approximately 0.00% of Cliff Asness's publicly disclosed stock portfolio, making it one of their key holdings.
Cliff Asness's peak holding in Mesa Laboratories, Inc. (MLAB) was 32,639 shares, as reported at the end of Q3 2025.