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Quant fund, long-only 13F filer

Renaissance Technologies

Renaissance Technologies is the quantitative firm mathematician Jim Simons founded in 1982, trading purely on statistical models; its 13F reflects the thousands of machine-selected positions in its institutional funds. It discloses US-listed long equity (and some options) positions each quarter on SEC Form 13F — bonds, cash, private businesses and non-US holdings are not in that filing.

72.6BUSDreported value
3,140positions
+8.7BUSDon the prior filing
NVDAlargest holding, 2.0%

How has Renaissance Technologies's portfolio moved against the S&P 500?

Rebuilt from its quarterly filings, Renaissance's disclosed portfolio is up 9% since September 2024. Over the stretch where we can compare, since December 2025, it is up 13% against 9% for the S&P 500. The latest filing, for the quarter ended 30 June 2026, lists 3,140 positions worth 72.6B USD.

Renaissance's disclosed holdings, rebuilt at each filing

S&P 500, from Dec 2025, drawn from Renaissance's level then

Long US stock only, held from one filing to the next: an illustrative read, not an audited return.

See the holdings

References
  1. SEC EDGAR Form 13F-HR, quarterly, up to 45 days delayed. Filings are public records. Ticker mapping via SEC public files and OpenFIGI.
  2. Finazon prior-day close, indicative (IEX-derived, not the official close), some closes dollar-rounded at the source
Renaissance Technologies 13F portfolio — holdings and quarterly moves · The Distributed