Stephen Mandel's Lone Pine Capital increased its Medline Inc, CL-A (MDLN) position by 78% in 2026 Q2, according to the 13F-HR filed with the SEC on August 14, 2026. The stake went from 11.8M to 21M shares, worth about $827M, and from 4.18% to 5.06% of the reported portfolio.
What did the 2026 Q2 filing report for MDLN?
As of June 30, 2026, from the 13F-HR filed August 14, 2026.
| Before | After | |
|---|---|---|
| Shares | 11.8M | 21M |
| Shares added | +9.18M (78%) | |
| Reported value | $524.6M | $827M |
| Portfolio weight | 4.18% | 5.06% |
| Rank in portfolio | 6th of 34 |
How much did Stephen Mandel add to MDLN?
Stephen Mandel added 9.18M shares of MDLN during 2026 Q2, taking the stake from 11.8M to 21M. The reported value of the position rose by about $302.4M, from about $524.6M to about $827M.
Where does MDLN sit in the Stephen Mandel portfolio?
MDLN ranks 6th of 34 stock positions in the Stephen Mandel portfolio at 5.06%, 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. The MDLN addition was the 20th largest of the quarter's 49 position changes by percent change to portfolio. 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 MDLN?
Stephen Mandel first reported MDLN in the quarter ended December 31, 2025. The current weight is the highest the fund has reported for the name. The share count had been unchanged the quarter before. Every reported trade is on the Stephen Mandel MDLN trade history page.
Did other funds buy or sell MDLN in 2026 Q2?
Among the other tracked funds that had filed for 2026 Q2 as of August 14, 2026, 3 hold MDLN. Of those, 1 added to the position this quarter and 2 trimmed it. The largest buyer of MDLN this quarter was John Armitage. The largest sellers were Ole Andreas Halvorsen and Henry Ellenbogen. Every tracked holder of MDLN is on the MDLN ownership page.
FAQ
How many MDLN shares did Stephen Mandel buy in 2026 Q2?
Stephen Mandel added 9.18M shares of MDLN, a 78% increase, to 21M shares.
What is the MDLN position of Stephen Mandel worth now?
The MDLN position of Stephen Mandel is worth about $827M at June 30, 2026 prices, 5.06% of the portfolio.
Is MDLN a top holding of Stephen Mandel?
MDLN ranks 6th of 34 stock positions in the Stephen Mandel portfolio, at 5.06%.
Did other funds add to MDLN in 2026 Q2?
Among the 3 other tracked funds that hold MDLN, 1 added to it in 2026 Q2 and 2 trimmed it.