Renaissance Technologies
· CIK 0001037389 · latest 13F for 2026-06-30 filed 2026-08-13
Estimated from 13F holdings — long US equities only; follow-the-filing returns are net of an assumed 10 bps per unit of turnover.
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.
Investment 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 Fund1988 — 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Profile generated 2026-10-09 from public sources; may be incomplete or out of date.
- Founded by
- James H. Simons, Howard L. Morgan
- Founded
- 1982
- HQ
- East Setauket, United States
- Reported AUM
- $165.0bn (as of April 2021)
- Website
- rentec.com
Management
- Peter BrownCEO
Holdings heatmap
Latest 13F (2026-06-30): top 50 positions grouped by sector, sized by weight, coloured by the change in weight since the previous 13F.
Holdings map
Each tile is a position, sized by reported value and coloured by the stock's own price return (red down, green up) — the LiquidRound / finviz-style map.
Copy portfolio vs SPY
Growth of $1 following each filing the trading day after it was filed.
Top holdings
Latest 13F (2026-06-30).
| # | Ticker | Value | Weight |
|---|---|---|---|
| 1 | NVDA | $1.4B | 2.0% |
| 2 | META | $1.1B | 1.6% |
| 3 | INTC | $1.0B | 1.4% |
| 4 | UTHR | $926M | 1.3% |
| 5 | PLTR | $883M | 1.2% |
| 6 | GOOGL | $828M | 1.1% |
| 7 | EXEL | $731M | 1.0% |
| 8 | VRSN | $616M | 0.8% |
| 9 | KGC | $585M | 0.8% |
| 10 | CRWD | $572M | 0.8% |
| 11 | STRL | $564M | 0.8% |
| 12 | GOOG | $557M | 0.8% |
| 13 | AMZN | $546M | 0.8% |
| 14 | AGX | $518M | 0.7% |
| 15 | NFLX | $485M | 0.7% |
| 16 | CVX | $476M | 0.7% |
| 17 | TSLA | $467M | 0.6% |
| 18 | AMD | $464M | 0.6% |
| 19 | AAPL | $459M | 0.6% |
| 20 | CORT | $457M | 0.6% |
| 21 | ETSY | $451M | 0.6% |
| 22 | — | $441M | 0.6% |
| 23 | FNV | $425M | 0.6% |
| 24 | TXN | $418M | 0.6% |
| 25 | W | $417M | 0.6% |
Sector mix
Top-25 holdings by weight.
Changes this quarter
| Move | Ticker | Prev wt | Now wt |
|---|---|---|---|
| added | META | 0.2% | 1.6% |
| added | NVDA | 0.7% | 2.0% |
| added | GOOGL | 0.2% | 1.1% |
| trimmed | MU | 1.1% | 0.3% |
| new | CRWD | 0.0% | 0.8% |
| trimmed | SNDK | 0.8% | 0.0% |
| new | AMZN | 0.0% | 0.8% |
| added | GOOG | 0.1% | 0.8% |
| added | NFLX | 0.0% | 0.7% |
| trimmed | AAPL | 1.2% | 0.6% |
| added | AMD | 0.1% | 0.6% |
| added | TSLA | 0.1% | 0.6% |
| trimmed | — | 0.5% | 0.0% |
| added | — | 0.2% | 0.6% |
| added | PLTR | 1.6% | 1.2% |
| trimmed | VRT | 0.4% | 0.0% |
| new | — | 0.0% | 0.3% |
| added | TXN | 0.3% | 0.6% |
| trimmed | — | 0.4% | 0.1% |
| added | TJX | 0.1% | 0.4% |
Quarterly copy returns
Each 13F held from the day after filing until the next filing.
| 13F period | Copy | SPY | Alpha | Coverage |
|---|---|---|---|---|
| 2026-06-30 | -1.4% | -0.1% | -1.3% | 88% |
| 2026-03-31 | +8.8% | +5.3% | +3.5% | 86% |
| 2025-12-31 | +8.0% | +8.7% | -0.7% | 86% |
| 2025-09-30 | +3.7% | +1.8% | +2.0% | 87% |
| 2025-06-30 | +2.7% | +4.5% | -1.8% | 85% |
| 2025-03-31 | +9.5% | +9.6% | -0.1% | 86% |
| 2024-12-31 | -1.4% | -2.9% | +1.4% | 85% |
| 2024-09-30 | +7.6% | +3.1% | +4.5% | 85% |
| 2024-06-30 | +14.4% | +11.6% | +2.8% | 84% |
| 2024-03-31 | +0.3% | +2.2% | -1.9% | 84% |
| 2023-12-31 | +4.6% | +5.3% | -0.7% | 85% |
| 2023-09-30 | +11.8% | +11.3% | +0.5% | 83% |
| 2023-06-30 | -1.5% | +0.7% | -2.2% | 82% |
| 2023-03-31 | +7.1% | +8.9% | -1.8% | 82% |
| 2022-12-31 | -1.7% | +0.5% | -2.2% | 82% |
| 2022-09-30 | +5.4% | +4.0% | +1.3% | 81% |
Filing dates
- 2026-08-1313F-HR for 2026-06-30 · $72.6B · 3,140 rows
- 2026-05-1413F-HR for 2026-03-31 · $63.9B · 3,213 rows
- 2026-02-1213F-HR for 2025-12-31 · $64.5B · 3,185 rows
- 2025-11-1313F-HR for 2025-09-30 · $75.8B · 3,457 rows
- 2025-08-1313F-HR for 2025-06-30 · $75.2B · 3,522 rows
- 2025-05-1413F-HR for 2025-03-31 · $66.1B · 3,406 rows
- 2025-02-1313F-HR for 2024-12-31 · $67.6B · 3,533 rows
- 2024-11-1313F-HR for 2024-09-30 · $66.5B · 3,484 rows
- 2024-08-0913F-HR for 2024-06-30 · $59.0B · 3,444 rows
- 2024-05-1313F-HR for 2024-03-31 · $63.6B · 3,659 rows
- 2024-02-1313F-HR for 2023-12-31 · $64.6B · 3,683 rows
- 2023-11-1413F-HR for 2023-09-30 · $58.7B · 3,611 rows
Use it with your AI
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