John Overdeck’s Mesa Laboratories MLAB Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q2 | $2.91M | Buy |
29,239
+12,880
| +79% | +$1.3M | ﹤0.01% | 2651 |
|
|
2026
Q1 | $1.45M | Buy |
16,359
+4,124
| +34% | +$355K | ﹤0.01% | 3000 |
|
|
2025
Q4 | $960K | Buy |
12,235
+2,612
| +27% | +$199K | ﹤0.01% | 2943 |
|
|
2025
Q3 | $645K | Buy |
+9,623
| New | +$693K | ﹤0.01% | 2861 |
|
|
2023
Q3 | – | Sell |
-2,146
| Closed | -$276K | – | 3111 |
|
|
2023
Q2 | $276K | Buy |
+2,146
| New | +$327K | ﹤0.01% | 2539 |
|
|
2022
Q4 | – | Sell |
-1,898
| Closed | -$267K | – | 2971 |
|
|
2022
Q3 | $267K | Buy |
+1,898
| New | +$346K | ﹤0.01% | 2003 |
|
|
2021
Q4 | – | Sell |
-800
| Closed | -$242K | – | 4623 |
|
|
2021
Q3 | $242K | Sell |
800
-10,747
| -93% | -$3.05M | ﹤0.01% | 3830 |
|
|
2021
Q2 | $3.13M | Sell |
11,547
-10,497
| -48% | -$2.66M | 0.01% | 1518 |
|
|
2021
Q1 | $5.37M | Buy |
22,044
+20,244
| +1,125% | +$5.57M | 0.01% | 997 |
|
|
2020
Q4 | $516K | Sell |
1,800
-1,700
| -49% | -$468K | ﹤0.01% | 2492 |
|
|
2020
Q3 | $892K | Buy |
+3,500
| New | +$832K | ﹤0.01% | 1838 |
|
|
2018
Q4 | – | Sell |
-14,507
| Closed | -$2.69M | – | 3325 |
|
|
2018
Q3 | $2.69M | Sell |
14,507
-192
| -1% | -$38.6K | 0.01% | 1278 |
|
|
2018
Q2 | $3.1M | Buy |
+14,699
| New | +$2.57M | 0.01% | 1325 |
|
|
2017
Q2 | – | Sell |
-5,241
| Closed | -$643K | – | 3160 |
|
|
2017
Q1 | $643K | Hold |
5,241
| – | – | ﹤0.01% | 2183 |
|
|
2016
Q4 | $643K | Hold |
5,241
| – | – | ﹤0.01% | 2335 |
|
|
2016
Q3 | $599K | Sell |
5,241
-263
| -5% | -$30K | ﹤0.01% | 2332 |
|
|
2016
Q2 | $677K | Buy |
5,504
+1,773
| +48% | +$191K | ﹤0.01% | 2039 |
|
|
2016
Q1 | $359K | Sell |
3,731
-823
| -18% | -$74.2K | ﹤0.01% | 2276 |
|
|
2015
Q4 | $453K | Sell |
4,554
-600
| -12% | -$64.2K | ﹤0.01% | 2024 |
|
|
2015
Q3 | $574K | Buy |
5,154
+300
| +6% | +$31.7K | ﹤0.01% | 1479 |
|
|
2015
Q2 | $432K | Sell |
4,854
-400
| -8% | -$33.8K | ﹤0.01% | 2210 |
|
|
2015
Q1 | $379K | Sell |
5,254
-1,052
| -17% | -$78.3K | ﹤0.01% | 2134 |
|
|
2014
Q4 | $488K | Buy |
+6,306
| New | +$462K | ﹤0.01% | 1735 |
|
|
2014
Q3 | – | Sell |
-3,817
| Closed | -$320K | – | 1932 |
|
|
2014
Q2 | $320K | Buy |
3,817
+428
| +13% | +$35.4K | ﹤0.01% | 1804 |
|
|
2014
Q1 | $306K | Buy |
3,389
+689
| +26% | +$58.5K | ﹤0.01% | 1669 |
|
|
2013
Q4 | $212K | Sell |
2,700
-900
| -25% | -$65.6K | ﹤0.01% | 1992 |
|
|
2013
Q3 | $244K | Sell |
3,600
-5,298
| -60% | -$339K | ﹤0.01% | 1569 |
|
|
2013
Q2 | $482K | Buy |
+8,898
| New | +$462K | ﹤0.01% | 1428 |
|
Other funds holding MLAB
LPP
RIM
John Overdeck's MLAB Position: Q2 2026 in Review
John Overdeck increased its Mesa Laboratories (MLAB) stake by 79% in Q2 2026, buying an estimated $1.3M and bringing the position to 29,239 shares worth $2.91M. The position accounts for ﹤0.01% of the portfolio, ranked #2651.
John Overdeck first reported a position in MLAB in Q2 2013 and has held it in 28 quarters since. The position peaked at $5.37M in Q1 2021. 157 funds tracked by Wall St. Rank hold MLAB as of Q2 2026.
- John Overdeck held 29,239 shares of Mesa Laboratories worth $2.91M as of Q2 2026.
- John Overdeck bought 12,880 Mesa Laboratories shares in Q2 2026, an estimated $1.3M.
- Mesa Laboratories made up ﹤0.01% of John Overdeck's portfolio in Q2 2026, its #2651 holding.
- John Overdeck first reported a position in Mesa Laboratories in Q2 2013 and has held it in 28 quarters since.
- John Overdeck's Mesa Laboratories position peaked at $5.37M in Q1 2021.
- 157 funds tracked by Wall St. Rank held Mesa Laboratories as of Q2 2026.
Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.