Vanguard Portfolio Management
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Vanguard Portfolio Management’s Mesa Laboratories MLAB Stock Holding History

Vanguard Portfolio Management’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 		$6.9M Buy
69,350
+16,764
+32% +$1.69M ﹤0.01% 2329
2026
Q1 		$4.65M Buy
+52,586
New +$4.53M ﹤0.01% 2338

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

Vanguard Portfolio Management's MLAB Position: Q2 2026 in Review

Vanguard Portfolio Management increased its Mesa Laboratories (MLAB) stake by 32% in Q2 2026, buying an estimated $1.69M and bringing the position to 69,350 shares worth $6.9M. The position accounts for ﹤0.01% of the portfolio, ranked #2329.

Vanguard Portfolio Management first reported a position in MLAB in Q1 2026 and has held it in 2 quarters since. 157 funds tracked by Wall St. Rank hold MLAB as of Q2 2026.

  • Vanguard Portfolio Management held 69,350 shares of Mesa Laboratories worth $6.9M as of Q2 2026.
  • Vanguard Portfolio Management bought 16,764 Mesa Laboratories shares in Q2 2026, an estimated $1.69M.
  • Mesa Laboratories made up ﹤0.01% of Vanguard Portfolio Management's portfolio in Q2 2026, its #2329 holding.
  • Vanguard Portfolio Management first reported a position in Mesa Laboratories in Q1 2026 and has held it in 2 quarters since.
  • 157 funds tracked by Wall St. Rank held Mesa Laboratories as of Q2 2026.

Based on Vanguard Portfolio Management's 13F filing for Q2 2026, filed 13 Aug 2026.