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William Frels - Mairs & Power
Period:    Q1 2026
Portfolio date:    31 Mar 2026
No. of stocks:    245
Portfolio value:    $9,786,094,433
Holdings Activity Buys Sells    History
Holding/activity history for  Standard BioTools Inc. (LAB)
← All LAB superinvestors
Period Shares % of Portfolio Activity % Change to Portfolio Price Value Filing
2019   Q4 0 0.00 Sell 100.00% <0.01 $2.12–5.23 · VW $3.50i SEC
2019   Q3 10,000 <0.01 Buy <0.01 $4.59–12.45 · VW $7.82i $46,000 SEC
Price snapshot:
Current price$0.85
52-week low$0.70
52-week high$1.72
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Quotes delayed 15 minutes for NASDAQ, NYSE and AMEX. 13F holdings sourced from SEC EDGAR filings.
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