Stephen Mandel
Net buyingLone Pine Capital Llc — managed by Stephen Mandel; US equity positions disclosed quarterly via SEC 13F
Data as of 2026-03-31 (filed 2026-05-15) · Source: SEC EDGAR
Lone Pine Capital Llc's most recent 13F filing, for the quarter ended 2026-03-31, reports 36 positions worth $12.54B. The top 5 holdings represent 30% of that value, a broadly diversified portfolio.
The single largest position is Vistra Corp at 7.4% of the portfolio, followed by Asml Hldg Nv at 6.9% and Carpenter Technology Corp at 5.7%.
Against the prior quarter, Stephen Mandel opened 11 new positions, exited 7, added to 14, and trimmed 11. The largest new buy was Teradyne Inc. The most notable sale was the full exit from Affirm Hldgs Inc.
Across all 8 quarters on file, Vistra Corp has appeared in every filing, as has Lpl Finl Hldgs Inc. Vistra Corp currently ranks first by value.
A 13F is filed roughly 45 days after quarter-end and covers only long positions in US-listed equities, so it is a lagging and partial view of the portfolio. Source: SEC EDGAR.
- Value$930.2MWeight (prev→now)6.2% → 7.4% ▲
- Value$865.3MWeight (prev→now)4.8% → 6.9% ▲
- Value$716.5MWeight (prev→now)3.0% → 5.7% ▲
- Value$616.7MWeight (prev→now)5.4% → 4.9% ▼
- Value$583.0MWeight (prev→now)3.9% → 4.6% ▲
- Value$580.3MWeight (prev→now)3.6% → 4.6% ▲
- Value$555.2MWeight (prev→now)New · 4.4%
- Value$551.6MWeight (prev→now)5.5% → 4.4% ▼
- Value$546.2MWeight (prev→now)3.6% → 4.4% ▲
- Value$524.6MWeight (prev→now)3.6% → 4.2% ▲
- Value$505.6MWeight (prev→now)New · 4.0%
- Value$503.2MWeight (prev→now)2.4% → 4.0% ▲
- Value$492.6MWeight (prev→now)New · 3.9%
- Value$469.6MWeight (prev→now)6.8% → 3.7% ▼
- Value$453.6MWeight (prev→now)5.4% → 3.6% ▼
- Value$426.2MWeight (prev→now)2.6% → 3.4% ▲
- Value$413.6MWeight (prev→now)4.1% → 3.3% ▼
- Value$365.2MWeight (prev→now)1.9% → 2.9% ▲
- Value$350.0MWeight (prev→now)New · 2.8%
- Value$340.8MWeight (prev→now)New · 2.7%
- Value$339.4MWeight (prev→now)New · 2.7%
- Value$314.3MWeight (prev→now)New · 2.5%
- Value$287.5MWeight (prev→now)New · 2.3%
- Value$285.2MWeight (prev→now)New · 2.3%
- Value$214.1MWeight (prev→now)New · 1.7%
Showing top 25 of 36 positions
Sources· SEC EDGAR 13F as of 2026-05-15
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