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Renaissance Technologies (RenTech) — Quantitative Investment Firm — portfolio photo

Renaissance Technologies (RenTech)
Portfolio: Top Holdings & Stock Picks

Renaissance Technologies LLC

Renaissance Technologies (RenTech) (Renaissance Technologies LLC) disclosed 3151 total holdings in its latest 13F filing dated 09/30/2026, with a portfolio value of $73.42 B and a turnover rate of 28.9%.

Portfolio Value
$73.42 B
Total Holdings
3151
Latest Filing
Q3 2026
November 12, 2026
Turnover Rate
28.94%

Renaissance Technologies (RenTech) Top Holdings of Q3 2026

Renaissance Technologies (RenTech) Top Holdings of Q3 2026
Ticker Name Shares Value % of Portfolio Time Held % Change
MU
1.52 M $1.62 B 2.21% 1 Years +618.71%
AMD
2 M $1.21 B 1.64% 1 Years +140.46%
1.68 M $908.15 M 1.24% >10 Years -1.92%
6.94 M $834.55 M 1.14% 1.7 Years -5.20%
2.41 M $827.73 M 1.13% 3.3 Years +3.80%
UNH
2.23 M $817.38 M 1.11% 1.3 Years +506.71%
12.79 M $747.22 M 1.02% 10 Years -4.73%
2.3 M $648.93 M 0.88% >10 Years -6.07%
4.11 M $620.52 M 0.85% New Buy +100.00%
4.85 M $558.88 M 0.76% >10 Years -7.82%

Recent Moves

Significant New Position
+4.11 M Shares | +$620.52 M Value
Continues to build a major stake in the Industrials sector
Q3 2026
Added to Core Holding
+1.31 M Shares | +$1.39 B Value
Largest position increase in Technology sector
Q3 2026
Reduced Exposure to Position
-7.07 M Shares | -$1.63 B Value
Significant reduction in holdings of Technology
Q3 2026
Complete Exit
-1.57 M Shares | -$184.78 M Value
Cleared BX, sector remains in portfolio
Q3 2026

Renaissance Technologies (RenTech)'s Historical Top Holdings Overview

Portfolio Date:

Renaissance Technologies (RenTech) Top Stock Picks

Ticker Name Date Activity Shares Shares Change Value Change
09/30/2026 Reduce -99.7% 23,170 -7.07 M $1.63 B
09/30/2026 Reduce -99.9% 1,577 -2.02 M $1.48 B
MU
09/30/2026 Add 618.7% 1.52 M 1.31 M $1.39 B
09/30/2026 Reduce -70.6% 2.22 M -5.35 M $1 B
AMD
09/30/2026 Add 140.5% 2 M 1.17 M $704.19 M
UNH
09/30/2026 Add 506.7% 2.23 M 1.86 M $682.66 M
09/30/2026 New Buy 4.11 M 4.11 M $620.52 M
09/30/2026 Reduce -75.6% 731,848 -2.26 M $599.39 M
09/30/2026 Reduce -99.5% 11,128 -2.28 M $570.8 M
09/30/2026 Reduce -99.8% 3,246 -1.58 M $531.6 M

Renaissance Technologies (RenTech)'s Portfolio Sector Breakdown

Portfolio Date:

About Renaissance Technologies (RenTech)

About Jim Simons & Renaissance Technologies

The "Quant King" and His Legacy

Jim Simons (1938–2024) was a legendary mathematician and the founder of Renaissance Technologies, one of the world's most successful quantitative hedge funds. Known as the "Quant King," Simons revolutionized Wall Street by pioneering algorithmic trading—using complex mathematical models and massive datasets to predict price changes, rather than relying on human intuition.

Jim Simons Investment Strategy: The Renaissance Approach

Under Simons' guidance, Renaissance Technologies (often called "RenTech") became famous for its flagship Medallion Fund, known for generating historically high returns. The firm's investment philosophy relies entirely on systematic, computer-driven strategies that remove human emotion from the equation.

Frequently Asked Questions

As of 09/30/2026, Renaissance Technologies (RenTech) holds 3139 stocks. Top positions include MU, AMD, UTHR, INTC, GOOGL. For full portfolio details, please visit Renaissance Technologies (RenTech)’s portfolio.

In Q3 2026, Renaissance Technologies (RenTech)’s largest purchase by dollar amount was SPCX. For complete transaction details, please visit Renaissance Technologies (RenTech)’s portfolio.

According to the 13F filing for Q3 2026, Renaissance Technologies (RenTech) increased their stake in MU.

Renaissance Technologies (RenTech)'s firm may occasionally request confidential treatment under SEC rule 13F-HR, which allows temporary non-disclosure of certain positions.