stocksbrew

What if you had copied Lone Pine Capital?

Founded by Stephen Mandel

The verdict

Copying Lone Pine Capital's 13F filings from Feb 2020 would have turned $10,000 into $14,587, less than the S&P 500 did.

The S&P 500 turned the same $10,000 into $24,639 over the same days. The copy returned +5.8% a year against +14.4% for the S&P 500, 8.6 points a year behind. Its worst fall was 58.6%, from Oct 21, 2021 to Nov 3, 2022. The S&P 500's worst fall over the test was 33.7%.

Copied Feb 18, 2020 to Nov 9, 2026 · SEC 13F filings and daily closes

What $10,000 became

Closes to Nov 9, 2026
  • Copying Lone Pine Capital$14,587
  • S&P 500$24,639
  • Bought their first portfolio and never traded$15,718
Feb 18, 2020 to Nov 9, 2026

If you had bought their first portfolio and never traded, you would have ended at $15,718, so following every move cost $1,131.

$10,000 copied
$14,587
+45.9%, +5.8% a year
In the S&P 500
$24,639
+146.4%, +14.4% a year
No trading
$15,718
Bought their first portfolio and never traded
Worst fall
−58.6%
Oct 21, 2021 to Nov 3, 2022
Trades
374
204 buys, 170 sales over 29 filings; about 101% of the copy traded a year

The moves that made the most

The moves that cost the most

  • SNAP−$819

    Held from Feb 2021 to Aug 2022, the stock down 80%

  • Held from Aug 2021 to Nov 2023, the stock down 84%

  • NBISNebius−$620

    Held since Aug 2026, the stock down 47%

  • Held from Nov 2021 to Nov 2024, the stock down 56%

  • Held from Feb 2021 to Aug 2022, the stock down 85%

  • Held since Aug 2026, the stock down 49%

Year by year

YearCopyS&P 500Gap, pts
2020from Feb 2020+40.8%+13.1%+27.7
2021+3.6%+28.7%−25.2
2022−48.4%−18.2%−30.2
2023+38.2%+26.2%+12.0
2024+41.9%+24.9%+17.0
2025+21.7%+17.7%+4.0
2026to Nov 2026−18.7%+11.5%−30.2

A historical test on paper, before costs and taxes. It trades at the close of the first trading day after each filing comes out, up to 45 days after the quarter, and skips delisted companies, which flatters it.

After hours

That's a wrap.

17hrs04min53sec

Market opens Friday, Nov 13 at 9:30 AM ET