Andreas Halvorsen - Viking Global Investors
Period:    Q1 2026
Portfolio date:    31 Mar 2026
No. of stocks:    77
Portfolio value:    $35,748,670,967
Holdings Activity Buys Sells    History
Holding/activity history for  Patterson-UTI Energy, Inc. (PTEN)
← All PTEN superinvestors
Period Shares % of Portfolio Activity % Change to Portfolio Price Value Filing
2018   Q4 0 0.00 Sell 100.00% 0.45 $9.49–18.24 · VW $14.18i SEC
2018   Q3 4,563,526 0.45 Reduce 27.45% 0.19 $14.60–19.29 · VW $17.01i $78,082,000 SEC
2018   Q2 6,290,008 0.68 Buy 0.68 $16.61–23.99 · VW $20.06i $113,220,000 SEC
Price snapshot:
Current price$9.68
52-week low$4.93
52-week high$12.96