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Jones Financial Companies’s
Mesa Laboratories
MLAB
Stock Holding History
Jones Financial Companies’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
Q1
$903
Buy
11
+9
+450%
+$775
﹤0.01%
4373
2025
Q4
$157
Hold
2
–
–
﹤0.01%
4285
2025
Q3
$129
Hold
2
–
–
﹤0.01%
4149
2025
Q2
$197
Buy
+2
New
+$219
﹤0.01%
3914
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Fund Insights
Common Fund Bets
See what stocks and ETFs funds are collectively bullish/bearish on
Largest Fund Trades
Explore the largest stock and ETF buys and sells made by funds
High Conviction Trades
Discover high conviction trades that caused a significant change in a fund's stake in a stock
Fund Manager Portfolios
Gain insights from the world’s largest funds and super investors
WSR Indexes
Fund Manager Index
Stock index based on fund manager consensus updated each quarter
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