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Renaissance Technologies, founded by mathematician Jim Simons, is home to the Medallion Fund — perhaps the most successful investment vehicle in history, averaging over 66% annual returns before fees from 1988–2018. Their 13F reveals thousands of positions selected by sophisticated quantitative models.

3184
Positions
7
In our model
478
New buys
968
Increasing
1575
Decreasing
In the Big Money Radar Model
These holdings also appear in our conviction-weighted model portfolio
Top 10 positions (% of portfolio)
Sector breakdown
Renaissance Technologies Holdings
Top 30 positions sorted by portfolio weight · Data from 2025-12-31
# Company Ticker Sector % of Portfolio Activity Change
1 PALANTIR TECHNOLOGIES INC PLTR Technology 2.4% ▲ Increasing +3%
2 UNITED THERAPEUTICS CORP DEL UTH Other 1.4% ▼ Decreasing -12%
3 MICRON TECHNOLOGY INC MU Other 1.3% ▲ Increasing +151%
4 KINROSS GOLD CORP KGC Other 1.1% ▼ Decreasing -4%
5 VERISIGN INC VRSN Technology 1.1% ▼ Decreasing -12%
6 NETFLIX INC NFLX Communications 1.0% ▲ Increasing +2545%
7 EXELIXIS INC EX9 Other 0.9% ▼ Decreasing -10%
8 TESLA INC TSLA Consumer 0.9% ▲ Increasing +221%
9 COSTCO WHSL CORP NEW COST Other 0.9% ▲ Increasing +5221%
10 CARVANA CO CVNA Other 0.9% ▲ Increasing +39%
11 WAYFAIR INC W Other 0.8% ▲ Increasing +4%
12 ROBLOX CORP RBLX Other 0.8% ▼ Decreasing -4%
13 FRANCO NEV CORP FNV Other 0.8% ▼ Decreasing -13%
14 REDDIT INC RDDT Other 0.7% ▼ Decreasing -16%
15 PROCTER AND GAMBLE CO PG Other 0.7% ▲ Increasing +272%
16 AIRBNB INC ABNB Other 0.6% ▲ Increasing +18%
17 INCYTE CORP INCY Other 0.6% ▼ Decreasing -12%
18 ROBINHOOD MKTS INC HOOD Other 0.6% ▲ Increasing +72%
19 NU HLDGS LTD NU Other 0.6% ▲ Increasing +42%
20 INTEL CORP INTC Other 0.6% ▲ Increasing +192%
21 TAIWAN SEMICONDUCTOR MFG LTD TSM Technology 0.6% ▼ Decreasing -13%
22 GILEAD SCIENCES INC GILD Other 0.5% ▼ Decreasing -49%
23 SPOTIFY TECHNOLOGY S A SPOT Communications 0.5% ▼ Decreasing -10%
24 CHEVRON CORP NEW CVX Energy 0.5% ▲ Increasing +424%
25 MICROSOFT CORP MSFT Technology 0.5% ▼ Decreasing -48%
26 FORD MTR CO F Other 0.5% ▼ Decreasing -30%
27 RIVIAN AUTOMOTIVE INC RIVN Other 0.5% ▲ Increasing +32%
28 NEUROCRINE BIOSCIENCES INC NBIX Other 0.5% ▼ Decreasing -7%
29 DOORDASH INC DASH Other 0.5% ▼ Decreasing -32%
30 ETSY INC ETSY Other 0.5% ▼ Decreasing -11%
… and 3154 more positions. View full portfolio →

Frequently Asked Questions

What stocks is Renaissance Technologies buying right now?

The table above shows Renaissance Technologies's most recent reported positions from their latest SEC 13F filing. New positions (marked ● New) represent stocks they added since the prior quarter. This data is from their 2025-12-31 filing.

How often is Renaissance Technologies's portfolio updated?

Institutional investors are required to file 13F reports quarterly (within 45 days of each quarter-end: March 31, June 30, September 30, December 31). Some filers may take up to 135 days. Big Money Radar updates this page automatically whenever a new filing is available.

Can I invest based on Renaissance Technologies's portfolio?

This data is for informational purposes only. 13F filings are delayed by up to 135 days and don't include short positions, options strategies, or non-US holdings. The fund may have already sold or changed these positions by the time you see them. Always do your own research and consider consulting a financial advisor.

Where does this data come from?

All holdings data is sourced directly from public SEC EDGAR 13F filings. We fetch the raw XML filings and process them automatically. The source data is free and publicly available at SEC EDGAR ↗.

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⚠ Disclaimer: This page is for informational purposes only. Holdings data from SEC EDGAR 13F filings for Renaissance Technologies, delayed up to 135 days. Not a recommendation to buy or sell any security. Renaissance Technologies may have already changed these positions.

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