Stephen Mandel's Lone Pine Capital exited Talen Energy Corp (TLN) during 2026 Q2, according to the 13F-HR filed with the SEC on August 14, 2026, selling all 1.82M shares. The position had been worth about $580.3M at the prior quarter-end and carried 4.63% of the book. TLN had been in the portfolio for about 2 years, since the quarter ended September 30, 2024.
What did the 2026 Q2 filing report for TLN?
As of June 30, 2026, from the 13F-HR filed August 14, 2026.
| Before | After | |
|---|---|---|
| Shares | 1.82M | 0 |
| Reported value | $580.3M | $0 |
| Portfolio weight | 4.63% | 0% |
| Held since | 2024 Q3 | sold out in 2026 Q2 |
| Quarters held | 7 |
What did Stephen Mandel sell?
Stephen Mandel sold 1.82M shares of TLN between the quarter ended March 31, 2026 and June 30, 2026. The TLN exit was the 8th largest of the quarter's 49 position changes by percent change to portfolio.
Where does TLN sit in the Stephen Mandel portfolio?
Before the sale, TLN carried 4.63% 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 TLN?
Stephen Mandel held TLN for about 2 years, from the quarter ended September 30, 2024 to March 31, 2026. The weight peaked at 4.63% in 2026 Q1. Last quarter the fund had added to the position by 41%. Every reported trade is on the Stephen Mandel TLN trade history page.
Did other funds buy or sell TLN in 2026 Q2?
Among the other tracked funds that had filed for 2026 Q2 as of August 14, 2026, 3 still hold TLN. The largest buyer of TLN this quarter was Polen Capital Management. The largest seller was Donald Yacktman. Every tracked holder of TLN is on the TLN ownership page.
FAQ
How many TLN shares did Stephen Mandel sell?
Stephen Mandel sold all 1.82M shares of TLN it reported a quarter earlier, worth about $580.3M.
When did Stephen Mandel first buy TLN?
Stephen Mandel first reported TLN in the quarter ended September 30, 2024.
How much of the Stephen Mandel portfolio was TLN?
TLN was 4.63% of the Stephen Mandel portfolio at the prior quarter-end, and 0% after the sale.
Did other funds sell TLN in 2026 Q2?
No other tracked fund sold out of TLN in 2026 Q2, but 1 trimmed it; 3 still hold it.