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Richard Pzena - Pzena Investment Management
Period:    Q1 2026
Portfolio date:    31 Mar 2026
No. of stocks:    158
Portfolio value:    $30,796,447,662
Holdings Activity Buys Sells    History
Holding/activity history for  MKS Inc. (MKSI)
← All MKSI superinvestors
Period Shares % of Portfolio Activity % Change to Portfolio Price Value Filing
2024   Q4 0 0.00 Sell 100.00% <0.01 $97.54–119.37 · VW $107.20i SEC
2024   Q3 3,323 <0.01 Buy <0.01 $100.31–147.40 · VW $118.60i $361,243 SEC
Price snapshot:
Current price$352.03
52-week low$88.02
52-week high$447.62
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Quotes delayed 15 minutes for NASDAQ, NYSE and AMEX. 13F holdings sourced from SEC EDGAR filings.
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