Hedge Fund · CIK 0001061165
Stephen Mandel
Lone Pine Capital
Stephen Mandel runs Lone Pine Capital, a hedge fund overseeing $13.61B in disclosed equity holdings (SEC CIK 0001061165). The latest portfolio (2025Q4) discloses 32 positions across 9 sectors, with the largest positions in TSM, VST and CVNA. On a mark-to-market basis the tracked portfolio has returned 31.7% over the past year. OpenStocks tracks 40 consecutive quarterly snapshots for this manager — every position change, new entry, and exit is logged below.
Portfolio
$13.61B
Positions
32
Quarter
2025Q4
Filings tracked
40
1-YearTWR
+31.66%
since 2024Q4
3-YearTWR
+205.67%
since 2022Q4
5-YearTWR
-98.67%
since 2020Q4
10-Year
—
insufficient history
Performance overview
We mark Stephen Mandel (Lone Pine Capital)'s disclosed portfolio to current market prices and compare its growth against the S&P 500 (SPY). Stephen's portfolio is 31.7% over the last 12 months · 191.8% since 2016Q1.
Portfolio growth vs SPY
Rebased to 100 at 2016Q1 · through 2025Q4
Stephen Mandel
-30.7%
SPY
—
Portfolio line tracks reported AUM (mark-to-market on filing dates). It includes inflows/outflows so it isn't a pure time-weighted return — same convention as Dataroma and StockCircle.
Capital flow per quarter
BuysSellsNet
Latest · 2025Q4
+$88M
Lifetime buys
$37.92B
Lifetime sells
$50.64B
Portfolio over time
AUMPositions
QoQ AUM
-1.0%
16Q lifetime AUM
-19.0%
QoQ positions
+7
16Q lifetime positions
+3
Position concentration
32 positions