Jim Simons Renaissance Technologies
Jim Simons is the founder of Renaissance Technologies, one of the most successful quantitative hedge funds in the world. Before his career in finance, he served as a mathematics professor and made significant contributions to differential geometry. Simons applied his analytical expertise to develop sophisticated, algorithm-driven trading strategies, earning consistently high returns for investors.
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Costco
COST
|
+$616M |
| 2 |
Netflix
NFLX
|
+$481M |
| 3 |
Micron Technology
MU
|
+$416M |
| 4 |
Tesla
TSLA
|
+$416M |
| 5 |
Procter & Gamble
PG
|
+$322M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
NVIDIA
NVDA
|
+$885M |
| 2 |
Alphabet (Google) Class A
GOOGL
|
+$660M |
| 3 |
Alphabet (Google) Class C
GOOG
|
+$463M |
| 4 |
Applovin
APP
|
+$430M |
| 5 |
Meta Platforms (Facebook)
META
|
+$354M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 20.84% |
| 2 | Healthcare | 15.77% |
| 3 | Consumer Discretionary | 13.88% |
| 4 | Industrials | 9.94% |
| 5 | Financials | 8.79% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
2126
Cognition Therapeutics
CGTX
$98.9M
| $1.31M | ﹤0.01% |
969,513
+256,013
| +36% | +$416K |
|
2127
Airgain
AIRG
$67.7M
| $1.31M | ﹤0.01% |
321,636
-58,900
| -15% | -$239K |
|
2128
Sunstone Hotel Investors
SHO
$2.02B
| $1.31M | ﹤0.01% |
+146,052
| New | +$1.34M |
|
2129
CareCloud
CCLD
$104M
| $1.3M | ﹤0.01% |
446,030
+218,530
| +96% | +$691K |
|
|
VBNK
2130
VersaBank
VBNK
$647M
| $1.3M | ﹤0.01% |
86,900
-4,900
| -5% | -$61.8K |
|
2131
Hawthorn Bancshares
HWBK
$277M
| $1.3M | ﹤0.01% |
37,201
-1,842
| -5% | -$58.9K |
|
2132
iShares MSCI ACWI ex US ETF
ACWX
$12B
| $1.3M | ﹤0.01% |
+19,300
| New | +$1.28M |
|
2133
Invesco S&P 500 Pure Value ETF
RPV
$1.74B
| $1.29M | ﹤0.01% |
12,500
-5,400
| -30% | -$544K |
|
|
INR
2134
Infinity Natural Resources
INR
$256M
| $1.29M | ﹤0.01% |
87,500
+26,100
| +43% | +$342K |
|
2135
Bloomin' Brands
BLMN
$924M
| $1.29M | ﹤0.01% |
+208,854
| New | +$1.46M |
|
2136
Passage Bio
PASG
$14.7M
| $1.29M | ﹤0.01% |
109,089
+8,300
| +8% | +$71.7K |
|
|
CLYM
2137
Climb Bio
CLYM
$846M
| $1.28M | ﹤0.01% |
320,600
-216,500
| -40% | -$520K |
|
2138
HBT Financial
HBT
$1.35B
| $1.28M | ﹤0.01% |
49,600
+8,500
| +21% | +$210K |
|
2139
Saga Communications
SGA
$61.8M
| $1.28M | ﹤0.01% |
111,944
-3,900
| -3% | -$47K |
|
2140
Sabra Healthcare REIT
SBRA
$5.15B
| $1.28M | ﹤0.01% |
67,660
-1,036,060
| -94% | -$19.2M |
|
2141
Vanguard Morningstar Mega Cap ETF
MGC
$10.4B
| $1.28M | ﹤0.01% |
5,100
-5,900
| -54% | -$1.47M |
|
2142
Invesco Variable Rate Preferred ETF
VRP
$3.01B
| $1.28M | ﹤0.01% |
52,578
-213,204
| -80% | -$5.23M |
|
2143
Pliant Therapeutics
PLRX
$66.9M
| $1.28M | ﹤0.01% |
1,045,818
+34,016
| +3% | +$51.1K |
|
|
FPI
2144
Farmland Partners
FPI
$425M
| $1.28M | ﹤0.01% |
131,600
-114,400
| -47% | -$1.15M |
|
2145
Five Star Bancorp
FSBC
$1.16B
| $1.27M | ﹤0.01% |
35,600
-400
| -1% | -$13.9K |
|
2146
Movado Group
MOV
$796M
| $1.27M | ﹤0.01% |
61,698
-6,100
| -9% | -$119K |
|
|
VOXR
2147
Vox Royalty Corp
VOXR
$369M
| $1.26M | ﹤0.01% |
266,500
-380,100
| -59% | -$1.72M |
|
|
QIPT
2148
DELISTED
Quipt Home Medical
QIPT
| $1.26M | ﹤0.01% |
357,400
+46,900
| +15% | +$124K |
|
|
THRO
2149
iShares U.S. Thematic Rotation Active ETF
THRO
$6.77B
| $1.26M | ﹤0.01% |
32,700
+16,000
| +96% | +$612K |
|
2150
Helios Technologies
HLIO
$2.67B
| $1.26M | ﹤0.01% |
23,500
-12,500
| -35% | -$674K |
|
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Jim Simons's Q4 2025 Portfolio in Review
As of Q4 2025, Jim Simons held 3,923 positions worth $64.5B, down 15% from $75.8B the previous quarter. Its ten largest holdings account for 12% of the portfolio.
Jim Simons withdrew a net $10.1B in Q4 2025, closing 737 positions and reducing 1,682 holdings. Its most notable exit was Meta Platforms (Facebook), an estimated $354M position sold in full.
By sector, the portfolio is most concentrated in Technology at 21% of assets, down from 22% a quarter earlier, followed by Healthcare and Consumer Discretionary.
Against the trend, Jim Simons opened a new position in ServiceNow worth $204M.
- Jim Simons's largest Q4 2025 buy was ServiceNow: 1,331,977 shares worth $204M.
- Jim Simons added most to Costco in Q4 2025, an estimated $616M increase.
- Jim Simons's biggest Q4 2025 reduction was NVIDIA, cutting an estimated $885M.
- Jim Simons fully exited Meta Platforms (Facebook) in Q4 2025, selling an estimated $354M.
- Jim Simons's ten largest holdings make up 12% of its $64.5B portfolio in Q4 2025.
- Jim Simons opened 466 new positions and closed 737 in Q4 2025.
- Jim Simons's portfolio value fell 15% quarter-over-quarter to $64.5B.
Based on Renaissance Technologies's 13F filing for Q4 2025, filed 12 Feb 2026.