---
name: Copy Renaissance Technologies
kind: hedgecopy-fund
cik: 0001037389
latest_13f_period: 2026-06-30
latest_13f_filed: 2026-08-13
author: HedgeCopy
---

# Copy Renaissance Technologies (13F follow-the-filing)

Renaissance Technologies files a 13F-HR with the SEC each quarter (CIK 0001037389). This skill describes a
long-only copy portfolio built from that filing, bought the trading day after it is filed.

## Track record (estimated from 13F holdings, net of 10 bps per unit of turnover)
- Annualised return copying the filings, last 3 years (headline): +25.4% vs SPY +22.9% (alpha +2.5%/yr)
- Annualised since the series started (2021-02-12 to 2026-10-09): +13.2% vs SPY +14.3%
- Follow-the-filing TTM: +15.7% vs SPY +16.2% (alpha -0.5%)
- Quarters of history: 23; average coverage 86%; flags: hard_to_copy

## Latest disclosed top holdings (2026-06-30)
| # | Ticker | Issuer | Weight |
|---|---|---|---|
| 1 | NVDA | NVIDIA CORPORATION | 2.0% |
| 2 | META | META PLATFORMS INC | 1.6% |
| 3 | INTC | INTEL CORP | 1.4% |
| 4 | UTHR | UNITED THERAPEUTICS CORP DEL | 1.3% |
| 5 | PLTR | PALANTIR TECHNOLOGIES INC | 1.2% |
| 6 | GOOGL | ALPHABET INC | 1.1% |
| 7 | EXEL | EXELIXIS INC | 1.0% |
| 8 | VRSN | VERISIGN INC | 0.8% |
| 9 | KGC | KINROSS GOLD CORP | 0.8% |
| 10 | CRWD | CROWDSTRIKE HLDGS INC | 0.8% |
| 11 | STRL | STERLING INFRASTRUCTURE INC | 0.8% |
| 12 | GOOG | ALPHABET INC | 0.8% |
| 13 | AMZN | AMAZON COM INC | 0.8% |
| 14 | AGX | ARGAN INC | 0.7% |
| 15 | NFLX | NETFLIX INC. | 0.7% |
| 16 | CVX | CHEVRON CORPORATION | 0.7% |
| 17 | TSLA | TESLA INC | 0.6% |
| 18 | AMD | ADVANCED MICRO DEVICES INC | 0.6% |
| 19 | AAPL | APPLE INC | 0.6% |
| 20 | CORT | CORCEPT THERAPEUTICS INC | 0.6% |

## About the fund

Renaissance Technologies is a prominent investment management firm known for its systematic trading strategies driven by quantitative models. The firm is widely recognized for its highly successful Medallion Fund and its unique approach of employing scientists and mathematicians rather than traditional finance professionals.

- Strategy: Quantitative systematic trading
- Type: Quant
- Founders: James H. Simons, Howard L. Morgan
- Key people: Peter Brown (CEO)
- Founded 1982 · HQ East Setauket, United States
- Reported AUM: $165.0bn (as of April 2021)
- Website: https://www.rentec.com

### Approach
The firm employs quantitative analysis, utilizing mathematical and statistical methods to uncover technical indicators with predictive value. It constructs proprietary computer models that process large amounts of data to identify and implement automated trading decisions. The firm recruits primarily scientists, such as mathematicians, physicists, and computer scientists, rather than traditional finance professionals.

### History
Renaissance Technologies originated as Monemetrics, a firm founded by Jim Simons in 1978 that initially traded currencies. The firm adopted its current name in 1982 and began recruiting mathematicians and scientists to develop quantitative trading models. In 1988, the firm established the Medallion Fund, which became one of the most successful hedge funds in history.

### Notable positions / campaigns
- Medallion Fund (1988): The firm's most profitable and well-known fund, which has been closed to outside investors since 1993.
- Renaissance Institutional Equities Fund (RIEF) (2005): A fund created to trade global equity securities with the objective of achieving long-term risk-adjusted returns.

_Profile generated 2026-10-09 from public sources; may be incomplete or out of date._

## Rules
- Hold the top 20 long US-equity positions from the latest 13F-HR, weighted as reported.
- Rebalance on the first trading day after each new 13F-HR is filed. Cash only, paper only.

## Parameters
```json
{
  "params": {
    "funds": [
      "0001037389"
    ],
    "top_n": 20,
    "weighting": "13f",
    "rebalance": "filing_plus_1",
    "budget_usd": 10000,
    "stop_loss_pct": null,
    "cash_only": true
  }
}
```

> Estimated from 13F holdings (long US equities only; no shorts, options, cash or fees). Past performance is not a guide to the future. Not investment advice. Paper trading only.