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 | |
|---|---|---|---|---|---|---|
2826
Teradyne
TER
$63.3B
| $252K | ﹤0.01% |
1,300
-209,200
| -99% | -$35.9M |
|
2827
Quest Resource Holding
QRHC
$30M
| $250K | ﹤0.01% |
134,292
-17,900
| -12% | -$30.3K |
|
2828
Genasys
GNSS
$78.8M
| $250K | ﹤0.01% |
116,436
-41,800
| -26% | -$93.7K |
|
2829
First Trust Natural Gas ETF
FCG
$641M
| $248K | ﹤0.01% |
10,600
-22,400
| -68% | -$524K |
|
2830
Pulmatrix
PULM
$5.3M
| $247K | ﹤0.01% |
110,920
-3,470
| -3% | -$15.1K |
|
2831
JPMorgan International Research Enhanced Equity ETF
JIRE
$11.4B
| $247K | ﹤0.01% |
+3,300
| New | +$246K |
|
2832
iShares Europe ETF
IEV
$1.7B
| $247K | ﹤0.01% |
3,600
+500
| +16% | +$33.4K |
|
2833
Direxion Daily Energy Bull 2X ETF
ERX
$242M
| $246K | ﹤0.01% |
4,400
-3,100
| -41% | -$172K |
|
2834
American Realty Investors
ARL
$239M
| $246K | ﹤0.01% |
15,299
-600
| -4% | -$9.47K |
|
2835
electroCore
ECOR
$88.6M
| $244K | ﹤0.01% |
54,486
-45,800
| -46% | -$230K |
|
|
BIOA
2836
BioAge Labs
BIOA
$493M
| $243K | ﹤0.01% |
18,400
-124,600
| -87% | -$1.1M |
|
2837
EverCommerce
EVCM
$1.76B
| $243K | ﹤0.01% |
20,100
-19,900
| -50% | -$212K |
|
2838
ABVC BioPharma
ABVC
$25.4M
| $243K | ﹤0.01% |
114,263
+3,763
| +3% | +$10.1K |
|
2839
FlexShares Global Upstream Natural Resources Index Fund
GUNR
$7.02B
| $243K | ﹤0.01% |
5,300
-11,000
| -67% | -$488K |
|
2840
Orange County Bancorp
OBT
$526M
| $243K | ﹤0.01% |
8,500
-2,400
| -22% | -$63K |
|
2841
Pyxis Tankers
PXS
$52M
| $242K | ﹤0.01% |
86,101
+14,400
| +20% | +$41K |
|
|
SIFY
2842
Sify Technologies
SIFY
$1.14B
| $241K | ﹤0.01% |
19,800
+3,600
| +22% | +$43.9K |
|
|
AHT
2843
Ashford Hospitality Trust
AHT
$20.3M
| $241K | ﹤0.01% |
56,503
+1,600
| +3% | +$7.02K |
|
2844
SGHC Ltd
SGHC
$6.57B
| $240K | ﹤0.01% |
20,100
-345,501
| -95% | -$4.15M |
|
2845
Pixelworks
PXLW
$42.1M
| $238K | ﹤0.01% |
37,462
-7,300
| -16% | -$55.9K |
|
2846
Curis
CRIS
$3.99M
| $238K | ﹤0.01% |
12,046
+3,270
| +37% | +$87.8K |
|
|
AXIA.PR
2847
DELISTED
AXIA Energia American Depositary Shares Preferred Class B1
AXIA.PR
| $233K | ﹤0.01% |
24,900
-13,111
| -34% | -$120K |
|
2848
AYTU BioPharma
AYTU
$25.5M
| $233K | ﹤0.01% |
89,623
-5,500
| -6% | -$12.3K |
|
2849
iShares Russell Top 200 Growth ETF
IWY
$16.7B
| $233K | ﹤0.01% |
840
-8,560
| -91% | -$2.37M |
|
2850
Lisata Therapeutics
LSTA
$10.7M
| $230K | ﹤0.01% |
123,715
+7,093
| +6% | +$15.8K |
|
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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.