About Renaissance Technologies
Renaissance Technologies is a quantitative hedge fund firm founded by James Simons, an award-winning mathematician and former Cold War codebreaker. Based in East Setauket, New York, the firm is known for its highly secretive and scientific approach to trading. It employs specialists with non-financial backgrounds, such as mathematicians, physicists, and computer scientists, to develop its trading models.
Renaissance Technologies Top Holdings of 2025-06-30
| Ticker | Name | Shares | Value | Weighting % | Position Age | % Change |
|---|---|---|---|---|---|---|
| 13.5 M | $1.84 B | 2.45% | 4 Years | -17.11% | ||
| 7.42 M | $1.17 B | 1.56% | 2.3 Years | +584.15% | ||
| 11.52 M | $1.08 B | 1.43% | 3.2 Years | -30.86% | ||
| 3.27 M | $943.62 M | 1.26% | >10 Years | +8.41% | ||
| 538,528 | $721.16 M | 0.96% | 2.7 Years | +131892.16% | ||
| 15.82 M | $697.26 M | 0.93% | 9.5 Years | +6.72% | ||
| 881,925 | $676.74 M | 0.90% | 3.2 Years | +7.53% | ||
| 4.03 M | $663.8 M | 0.88% | >10 Years | -5.44% | ||
| 6.1 M | $641.89 M | 0.85% | 4 Years | +0.17% | ||
| 5.67 M | $628.23 M | 0.84% | >10 Years | +3.95% |
Recent Moves
Significant New Position
+1.35 M Shares | +$421.82 M Value
Continues to build a major stake in the Healthcare sector
2025 Q2
Added to Core Holding
+6.34 M Shares | +$1 B Value
Largest position increase in Technology sector
2025 Q2
Reduced Exposure to Position
-2.43 M Shares | -$672.91 M Value
Significant reduction in holdings of Technology
2025 Q2
Complete Exit
-3.2 M Shares | -$328.34 M Value
Cleared AMD, sector remains in portfolio
2025 Q2
Renaissance Technologies's Historical Top Holdings Breakdown
Portfolio Date:
Renaissance Technologies Top Stock Picks
| Ticker | Name | Date | Activity | Shares | Shares Change | Value Change |
|---|---|---|---|---|---|---|
| 06/30/2025 | Add 584.2% | 7.42 M | 6.34 M | $1 B | ||
| 06/30/2025 | Add 131892.2% | 538,528 | 538,120 | $720.61 M | ||
| 06/30/2025 | Reduce -100.0% | 764 | -2.43 M | $672.91 M | ||
| 06/30/2025 | Reduce -30.9% | 11.52 M | -5.14 M | $481.33 M | ||
| 06/30/2025 | Add 52145.5% | 2.29 M | 2.28 M | $468.18 M | ||
| 06/30/2025 | Reduce -97.9% | 12,435 | -585,842 | $432.53 M | ||
| 06/30/2025 | New Buy | 1.35 M | 1.35 M | $421.82 M | ||
| 06/30/2025 | Reduce -99.9% | 2,360 | -2.27 M | $401.88 M | ||
| 06/30/2025 | Reduce -17.1% | 13.5 M | -2.79 M | $380.04 M | ||
| 06/30/2025 | Add 152.6% | 1.18 M | 710,600 | $376.01 M |