Jim Simons - Renaissance Technologies Llc Portfolio Q2'2025: Top Holdings & Recent Changes
Welcome to the Value Sense Blog, your resource for insights on the stock market! At Value Sense, we focus on intrinsic value tools and offer stock ideas with undervalued companies. Dive into our research products and learn more about our unique approach at valuesense.io
Explore diverse stock ideas covering technology, healthcare, and commodities sectors. Our insights are crafted to help investors spot opportunities in undervalued growth stocks, enhancing potential returns. Visit us to see evaluations and in-depth market research.
Jim Simons, the legendary mathematician and founder of Renaissance Technologies, continues to set the standard for quantitative investing. His Q2’2025 Renaissance Technologies portfolio showcases a $75.2 billion behemoth, deftly navigating thousands of positions with rapid-fire precision. The latest 13F filing reveals bold moves in AI, fintech, and digital platforms, underscoring Renaissance’s relentless adaptation to evolving market dynamics.
Quantitative Precision: Portfolio Overview and Strategy
Portfolio Highlights (Q2’2025): - Market Value: $75.2B - Top 10 Holdings: 12.1% - Portfolio Size: 3,522 positions (-103 from last quarter) - Average Holding Period: 16 quarters - Turnover: 26.4%
The Renaissance Technologies portfolio is a masterclass in diversification and systematic rebalancing. With over 3,500 positions, no single stock dominates the landscape—its top 10 holdings comprise just 12.1% of total assets, reflecting a deliberate risk-dispersed approach. This ultra-diversified structure is a hallmark of Simons’ quant-driven philosophy, where statistical edge and rapid adaptation trump concentrated conviction.
Despite the breadth, Renaissance’s average holding period of 16 quarters signals a willingness to let winners run, even as the fund’s 26.4% turnover rate highlights the constant search for new signals and opportunities. The net reduction of 103 positions this quarter suggests ongoing optimization, as the fund prunes lower-conviction bets while scaling into emerging trends—particularly in AI, fintech, and digital platforms.
Top Holdings Analysis: AI, Fintech, and Digital Disruptors
The Q2’2025 portfolio is a dynamic blend of technology, healthcare, and consumer innovation, with significant activity across several high-profile names. The largest position is Palantir Technologies Inc. (PLTR) at 2.4% of assets, though this stake was reduced by 17.11%—a notable trim after a period of strong performance. Meanwhile, NVIDIA Corporation (NVDA) saw a staggering 584.15% increase, now representing 1.6% of the portfolio, as Renaissance capitalizes on the generative AI boom.
Robinhood Markets, Inc. (HOOD) remains a significant holding at 1.4%, despite a 30.86% reduction, signaling a more cautious stance on retail brokerage platforms. VeriSign, Inc. (VRSN) was boosted by 8.41%, while Netflix, Inc. (NFLX) saw an extraordinary 131,892% increase—reflecting a major new bet on streaming and digital content.
Healthcare innovation is represented by Exelixis, Inc. (EXEL) (0.9%, Add 6.72%) and Gilead Sciences, Inc. (GILD) (0.8%, Add 3.95%), while digital platforms like Spotify Technology S.A. (SPOT) (0.9%, Add 7.53%) and Roblox Corporation (RBLX) (0.9%, Add 0.17%) round out the top movers.
Consumer staples and retail are not ignored: Sprouts Farmers Market, Inc. (SFM) (0.9%, Reduce 5.44%) reflects a tactical trim, while the overall portfolio continues to balance growth with defensive sectors.
What the Portfolio Reveals About Renaissance’s Strategy
- Systematic Diversification: With over 3,500 positions and no single stock above 2.5%, Renaissance minimizes idiosyncratic risk and relies on the law of large numbers to extract alpha.
- Aggressive Rebalancing: Massive increases in NVIDIA and Netflix signal rapid response to new data and market momentum.
- AI and Digital Focus: Heavy allocations and fresh buys in AI, streaming, and fintech reflect a forward-looking stance on technological disruption.
- Healthcare Innovation: Incremental adds in biotech and pharma demonstrate ongoing belief in the sector’s asymmetric upside.
- Risk Management: High turnover and modest position sizing ensure that no single thesis can derail performance, embodying the quant mantra of “many small edges.”
Portfolio Concentration Analysis
| Position | Value | % of Portfolio | Recent Change |
|---|---|---|---|
| Palantir Technologies Inc. | $1,840.6M | 2.4% | Reduce 17.11% |
| NVIDIA Corporation | $1,172.7M | 1.6% | Add 584.15% |
| Robinhood Markets, Inc. | $1,078.2M | 1.4% | Reduce 30.86% |
| VeriSign, Inc. | $943.6M | 1.3% | Add 8.41% |
| Netflix, Inc. | $721.2M | 1.0% | Add 131,892.16% |
| Exelixis, Inc. | $697.3M | 0.9% | Add 6.72% |
| Spotify Technology S.A. | $676.7M | 0.9% | Add 7.53% |
| Sprouts Farmers Market, Inc. | $663.8M | 0.9% | Reduce 5.44% |
| Roblox Corporation | $641.9M | 0.9% | Add 0.17% |
| Gilead Sciences, Inc. | $628.2M | 0.8% | Add 3.95% |
The table underscores Renaissance’s commitment to diversification: even the largest holding, Palantir, is just 2.4% of assets. The rest of the top 10 each hover around or below 1.5%, with significant quarterly changes—such as the outsized increase in NVIDIA and Netflix—demonstrating the fund’s willingness to act decisively when new signals emerge. This approach reduces single-stock risk while enabling the fund to capitalize on broad market trends.
Investment Lessons from Jim Simons’ Quantitative Approach
- Diversification as Alpha: Renaissance’s thousands of positions show that statistical edge can be built through breadth, not just depth.
- Let the Data Lead: The fund’s willingness to make massive moves—like the 584% increase in NVIDIA—reflects a commitment to following quantitative signals, not gut instinct.
- Constant Reassessment: High turnover and frequent rebalancing are not signs of indecision, but of disciplined adaptation to new information.
- Risk Management First: Small position sizes and rapid trims (e.g., Robinhood, Sprouts) ensure no single bet can sink the ship.
- Embrace Innovation: Early and aggressive moves into AI, streaming, and fintech highlight the importance of staying ahead of technological change.
Looking Ahead: What Comes Next?
With $75.2B in assets and a portfolio that adapts at algorithmic speed, Renaissance is well-positioned to capitalize on volatility and emerging trends. The fund’s high turnover suggests ample liquidity for new opportunities, particularly in AI, biotech, and digital platforms. As market conditions evolve, expect Renaissance to continue its relentless search for statistical edges—deploying capital wherever the data points, and trimming risk just as quickly when signals fade.
FAQ about Jim Simons’ Renaissance Technologies Portfolio
Q: Why did Renaissance Technologies make such a large increase in NVIDIA and Netflix this quarter?
The fund’s quant models likely identified strong momentum and positive signals in both NVIDIA and Netflix, prompting aggressive position increases to capture upside in AI and digital content.
Q: How does Renaissance manage risk with so many positions?
By keeping individual stock weights low (top 10 = 12.1% of assets) and rebalancing frequently, the fund minimizes the impact of any single position, relying on the law of large numbers and systematic risk controls.
Q: What is Jim Simons’ role in the fund today?
While Jim Simons has retired from day-to-day management, his quantitative legacy and research-driven culture continue to define Renaissance’s approach.
Q: Which sectors are most prominent in the current portfolio?
Technology (AI, platforms), healthcare (biotech, pharma), and digital consumer businesses are the most active areas, reflecting Renaissance’s focus on innovation and disruption.
Q: How can I track Renaissance’s portfolio changes?
Use ValueSense to monitor quarterly 13F filings and see real-time analysis of Renaissance’s holdings. Note that 13F data is reported with a 45-day lag, so positions may have changed since the filing.
Explore More Investment Opportunities
For investors seeking undervalued companies with high fundamental quality, our analytics team provides curated stock lists:
📌 50 Undervalued Stocks (Best overall value plays for 2025)
📌 50 Undervalued Dividend Stocks (For income-focused investors)
📌 50 Undervalued Growth Stocks (High-growth potential with strong fundamentals)
🔍 Check out these stocks on the Value Sense platform for free!