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Paul Tudor Jones’s Mesa Laboratories MLAB Stock Holding History

Paul Tudor Jones’s Portfolio MLAB Stock Details MLAB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		– Sell
-6,874
Closed -$608K – 4009
2026
Q1 		$608K Sell
6,874
-20,552
-75% -$1.77M ﹤0.01% 2690
2025
Q4 		$2.15M Buy
27,426
+21,085
+333% +$1.6M ﹤0.01% 1763
2025
Q3 		$425K Buy
6,341
+2,139
+51% +$154K ﹤0.01% 2779
2025
Q2 		$396K Buy
+4,202
New +$461K ﹤0.01% 2736
2023
Q4 		– Sell
-3,170
Closed -$333K – 2685
2023
Q3 		$333K Sell
3,170
-1,285
-29% -$165K ﹤0.01% 1878
2023
Q2 		$572K Buy
+4,455
New +$679K 0.01% 1635
2020
Q3 		– Sell
-2,502
Closed -$542K – 1454
2020
Q2 		$542K Buy
+2,502
New +$577K 0.03% 694
2019
Q3 		– Sell
-2,930
Closed -$716K – 1242
2019
Q2 		$716K Buy
+2,930
New +$682K 0.02% 595

Other funds holding MLAB

LPP
Long Path Partners Stamford, Connecticut $235M AUM 22.51% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
RIM
Ranger Investment Management Dallas, Texas $1.58B AUM 51% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Diamond Hill Capital Management
Diamond Hill Capital Management Columbus, Ohio $12.5B AUM 7.49% 1-Year Est. Return
Raymond James Financial
Raymond James Financial St Petersburg, Florida $369B AUM 28.27% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Paul Tudor Jones's MLAB Position: Q2 2026 in Review

Paul Tudor Jones sold out of Mesa Laboratories (MLAB) in Q2 2026, closing a stake of 6,874 shares — an estimated $608K sold.

Paul Tudor Jones first reported a position in MLAB in Q2 2019 and held it in 8 quarters. The position peaked at $2.15M in Q4 2025. 157 funds tracked by Wall St. Rank hold MLAB as of Q2 2026.

  • Paul Tudor Jones reported no remaining Mesa Laboratories position as of Q2 2026 after selling out during the quarter.
  • Paul Tudor Jones sold 6,874 Mesa Laboratories shares in Q2 2026, an estimated $608K.
  • Paul Tudor Jones first reported a position in Mesa Laboratories in Q2 2019 and held it in 8 quarters.
  • Paul Tudor Jones's Mesa Laboratories position peaked at $2.15M in Q4 2025.
  • 157 funds tracked by Wall St. Rank held Mesa Laboratories as of Q2 2026.

Based on Tudor Investment Corp's 13F filing for Q2 2026, filed 14 Aug 2026.