Stephen Mandel's Lone Pine Capital sold its entire Vistra Corp (VST) position in 2026 Q2, according to the 13F-HR filed with the SEC on August 14, 2026. The prior filing listed 6.19M shares worth about $930.2M, 7.42% of the portfolio; the 2026 Q2 filing lists none. VST had been in the portfolio for about 2 years, since the quarter ended March 31, 2024.
What did the 2026 Q2 filing report for VST?
As of June 30, 2026, from the 13F-HR filed August 14, 2026.
| Before | After | |
|---|---|---|
| Shares | 6.19M | 0 |
| Reported value | $930.2M | $0 |
| Portfolio weight | 7.42% | 0% |
| Held since | 2024 Q1 | sold out in 2026 Q2 |
| Quarters held | 9 |
What did Stephen Mandel sell?
Stephen Mandel sold 6.19M shares of VST between the quarter ended March 31, 2026 and June 30, 2026. The VST exit was the largest of the quarter's 49 position changes by percent change to portfolio.
Where does VST sit in the Stephen Mandel portfolio?
Before the sale, VST carried 7.42% of the Stephen Mandel portfolio, above the fund's average stock position of 3%. The largest stock position is NBIS at 7.19%. Next come ASML at 6.92% and STX at 5.9%. The three largest stocks together are 20.01% of the book. Across the 2026 Q2 portfolio, Stephen Mandel reported 34 stock positions, with 13 opened and 15 closed. The total portfolio value is about $16.4B, up 30% from the prior quarter.
How long has Stephen Mandel held VST?
Stephen Mandel held VST for about 2 years, from the quarter ended March 31, 2024 to March 31, 2026. The weight peaked at 9.08% in 2025 Q2. Last quarter the fund had added to the position by 19%. Every reported trade is on the Stephen Mandel VST trade history page.
Did other funds buy or sell VST in 2026 Q2?
Among the other tracked funds that had filed for 2026 Q2 as of August 14, 2026, 3 still hold VST. Meanwhile one opened it. The largest buyers of VST this quarter were David Tepper, Harry Burn and John Armitage. Every tracked holder of VST is on the VST ownership page.
FAQ
How many VST shares did Stephen Mandel sell?
Stephen Mandel sold all 6.19M shares of VST it reported a quarter earlier, worth about $930.2M.
When did Stephen Mandel first buy VST?
Stephen Mandel first reported VST in the quarter ended March 31, 2024.
How much of the Stephen Mandel portfolio was VST?
VST was 7.42% of the Stephen Mandel portfolio at the prior quarter-end, and 0% after the sale.
Did other funds sell VST in 2026 Q2?
No other tracked fund sold out of VST or trimmed it in 2026 Q2; 3 still hold it.