SEI Investments
MLAB icon

SEI Investments’s Mesa Laboratories MLAB Stock Holding History

SEI Investments’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 		$673K Sell
6,759
-644
-9% -$64.8K ﹤0.01% 2514
2026
Q1 		$655K Sell
7,403
-968
-12% -$83.4K ﹤0.01% 2561
2025
Q4 		$657K Buy
8,371
+2,846
+52% +$216K ﹤0.01% 2384
2025
Q3 		$370K Buy
5,525
+1,163
+27% +$83.7K ﹤0.01% 2371
2025
Q2 		$411K Sell
4,362
-1,054
-19% -$116K ﹤0.01% 2270
2025
Q1 		$643K Buy
5,416
+5
+0.1% +$682 ﹤0.01% 2060
2024
Q4 		$714K Buy
5,411
+3,848
+246% +$472K ﹤0.01% 2063
2024
Q3 		$203K Buy
+1,563
New +$184K ﹤0.01% 2471
2024
Q1 		– Sell
-2,138
Closed -$224K – 2675
2023
Q4 		$224K Sell
2,138
-4,361
-67% -$425K ﹤0.01% 2411
2023
Q3 		$683K Sell
6,499
-528
-8% -$67.6K ﹤0.01% 2004
2023
Q2 		$903K Sell
7,027
-2,307
-25% -$352K ﹤0.01% 1911
2023
Q1 		$1.63M Buy
9,334
+2,037
+28% +$365K ﹤0.01% 1711
2022
Q4 		$1.21M Sell
7,297
-1,142
-14% -$179K ﹤0.01% 1691
2022
Q3 		$1.19M Sell
8,439
-268
-3% -$48.9K ﹤0.01% 1736
2022
Q2 		$1.78M Buy
8,707
+3,325
+62% +$728K ﹤0.01% 1614
2022
Q1 		$1.37M Sell
5,382
-2,415
-31% -$656K ﹤0.01% 1696
2021
Q4 		$2.56M Sell
7,797
-763
-9% -$240K ﹤0.01% 1487
2021
Q3 		$2.59M Buy
8,560
+2,260
+36% +$642K 0.01% 1403
2021
Q2 		$1.71M Buy
6,300
+350
+6% +$88.8K ﹤0.01% 1583
2021
Q1 		$1.45M Sell
5,950
-1,595
-21% -$439K ﹤0.01% 1602
2020
Q4 		$2.16M Sell
7,545
-54
-0.7% -$14.9K 0.01% 1349
2020
Q3 		$1.94M Buy
7,599
+148
+2% +$35.2K 0.01% 1301
2020
Q2 		$1.61M Buy
7,451
+4,214
+130% +$971K 0.01% 1356
2020
Q1 		$732K Buy
3,237
+2,062
+175% +$509K ﹤0.01% 1591
2019
Q4 		$293K Buy
+1,175
New +$275K ﹤0.01% 2147
2017
Q3 		– Sell
-1
Closed – – 3317
2017
Q2 		$0 Buy
+1
New +$142 ﹤0.01% 3207
2015
Q1 		– Sell
-13
Closed -$1K – 2315
2014
Q4 		$1K Buy
+13
New +$952 ﹤0.01% 2137

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

SEI Investments's MLAB Position: Q2 2026 in Review

SEI Investments reduced its Mesa Laboratories (MLAB) stake by 8.7% in Q2 2026, selling an estimated $64.8K and leaving 6,759 shares worth $673K. The position accounts for ﹤0.01% of the portfolio, ranked #2514.

SEI Investments first reported a position in MLAB in Q4 2014 and has held it in 27 quarters since. The position peaked at $2.59M in Q3 2021. 159 funds tracked by Wall St. Rank hold MLAB as of Q2 2026.

  • SEI Investments held 6,759 shares of Mesa Laboratories worth $673K as of Q2 2026.
  • SEI Investments sold 644 Mesa Laboratories shares in Q2 2026, an estimated $64.8K.
  • Mesa Laboratories made up ﹤0.01% of SEI Investments's portfolio in Q2 2026, its #2514 holding.
  • SEI Investments first reported a position in Mesa Laboratories in Q4 2014 and has held it in 27 quarters since.
  • SEI Investments's Mesa Laboratories position peaked at $2.59M in Q3 2021.
  • 159 funds tracked by Wall St. Rank held Mesa Laboratories as of Q2 2026.

Based on SEI Investments's 13F filing for Q2 2026, filed 14 Aug 2026.