What if you had copied Soros Fund Management?
Soros family office
The verdict
Copying Soros Fund Management's 13F filings from Feb 2020 would have turned $10,000 into $11,708, 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 +2.4% a year against +14.4% for the S&P 500, 12 points a year behind. Its worst fall was 53.6%, from Feb 9, 2021 to May 11, 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
- Copying Soros Fund Management$11,708
- S&P 500$24,639
- Bought their first portfolio and never traded$20,203
If you had bought their first portfolio and never traded, you would have ended at $20,203, so following every move cost $8,496.
- $10,000 copied
- $11,708
- +17.1%, +2.4% a year
- In the S&P 500
- $24,639
- +146.4%, +14.4% a year
- No trading
- $20,203
- Bought their first portfolio and never traded
- Worst fall
- −53.6%
- Feb 9, 2021 to May 11, 2022
- Trades
- 761
- 399 buys, 362 sales over 27 filings; about 142% of the copy traded a year
The moves that made the most
Held from Feb 2020 to May 2022, the stock up 77%
- SNDKSandisk+$480
Held from Aug 2025 to Nov 2025, the stock up 497%
- AERAercap+$470
Held from May 2023 to Nov 2025, the stock up 133%
- GOOGLAlphabet+$468
Held since Feb 2020, the stock up 174%
- DHID.R. Horton+$405
Held from Feb 2020 to May 2025, the stock up 55%
- AMZNAmazon.com+$360
Held since Feb 2021, the stock up 61%
The moves that cost the most
- RIVNRivian Automotive−$3,295
Held from Feb 2022 to Nov 2023, the stock down 72%
- QSQuantumscape−$622
Held from Feb 2021 to Nov 2021, the stock down 39%
- FIGS−$453
Held from Aug 2021 to Aug 2023, the stock down 83%
- FHNFirst Horizon−$240
Held from Feb 2023 to Aug 2023, the stock down 45%
Held from Aug 2024 to Feb 2026, the stock down 40%
- KDKKodiak AI−$219
Held since Nov 2025, the stock down 78%
Year by year
| Year | Copy | S&P 500 | Gap, pts |
|---|---|---|---|
| 2020from Feb 2020 | +12.6% | +13.1% | −0.5 |
| 2021 | +6.8% | +28.7% | −22.0 |
| 2022 | −46.8% | −18.2% | −28.7 |
| 2023 | +23.7% | +26.2% | −2.5 |
| 2024 | +24.1% | +24.9% | −0.8 |
| 2025 | +14.1% | +17.7% | −3.6 |
| 2026to Nov 2026 | +4.6% | +11.5% | −6.9 |
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.