Cliff Asness's MLAB Position Overview
Cliff Asness (via Aqr Capital Management LLC) currently holds 170,562 shares of Mesa Laboratories, Inc. (MLAB) worth $15.08 M, representing 0.01% of the portfolio. First purchased in 2015-Q2, this long-term strategic position has been held for 32 quarters.
Based on 13F filings, Cliff Asness has maintained a strategic position in MLAB, demonstrating sustained confidence in this investment. Largest addition occurred in Q1 2026, adding 100,424 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 |
|---|---|---|---|---|
| Q1 2026 | +100,424 | Add 143.18% | 170,562 | $88.42 |
| Q4 2025 | +37,499 | Add 114.89% | 70,138 | $78.50 |
| Q3 2025 | +24,912 | Add 322.40% | 32,639 | $67.01 |
| Q2 2025 | -429 | Reduce 5.26% | 7,727 | $94.22 |
| Q1 2025 | -2,729 | Reduce 25.07% | 8,156 | $118.66 |
| Q4 2024 | -547 | Reduce 4.78% | 10,885 | $131.87 |
| Q3 2024 | -6,571 | Reduce 36.50% | 11,432 | $129.86 |
| Q2 2024 | -3,631 | Reduce 16.78% | 18,003 | $86.77 |
| Q1 2024 | +3,842 | Add 21.59% | 21,634 | $109.73 |
| Q4 2023 | +3,078 | Add 20.92% | 17,792 | $104.77 |
| Q3 2023 | +6,546 | Add 80.14% | 14,714 | $105.07 |
| Q2 2023 | +8,168 | New Buy | 8,168 | $128.50 |
| Q1 2020 | -1,194 | Sold Out | 0 | $0.00 |
| Q4 2019 | -236 | Reduce 16.50% | 1,194 | $249.58 |
| Q3 2019 | -1,088 | Reduce 43.21% | 1,430 | $237.76 |
| Q2 2019 | +291 | Add 13.07% | 2,518 | $244.24 |
| Q1 2019 | -292 | Reduce 11.59% | 2,227 | $230.35 |
| Q4 2018 | -1,304 | Reduce 34.11% | 2,519 | $208.42 |
| Q3 2018 | +1,726 | Add 82.31% | 3,823 | $185.72 |
| Q2 2018 | -1,186 | Reduce 36.13% | 2,097 | $211.25 |
| Q1 2018 | +21 | Add 0.64% | 3,283 | $148.34 |
| Q4 2016 | -482 | Reduce 12.87% | 3,262 | $122.62 |
| Q3 2016 | +827 | Add 28.35% | 3,744 | $114.32 |
| Q2 2016 | +721 | Add 32.83% | 2,917 | $123.07 |
| Q1 2016 | -1,555 | Reduce 41.46% | 2,196 | $96.54 |
| Q4 2015 | +3,751 | New Buy | 3,751 | $99.44 |
| Q3 2015 | -2,300 | Sold Out | 0 | $0.00 |
| Q2 2015 | +2,300 | New Buy | 2,300 | $88.70 |
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 32 quarters since Q2 2015.
Cliff Asness's largest addition to Mesa Laboratories, Inc. (MLAB) was in Q1 2026, adding 170,562 shares worth $15.08 M.
According to the latest 13F filing for Q1 2026, Cliff Asness's firm, Aqr Capital Management LLC, owns 170,562 shares of Mesa Laboratories, Inc. (MLAB), valued at approximately $15.08 M.
As of the Q1 2026 filing, Mesa Laboratories, Inc. (MLAB) represents approximately 0.01% 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 170,562 shares, as reported at the end of Q1 2026.