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 | |
|---|---|---|---|---|---|---|
1651
Astronics
ATRO
$4.6B
| $2.88M | ﹤0.01% |
63,624
-133,896
| -68% | -$5.61M |
|
1652
Vanguard Information Technology ETF
VGT
$150B
| $2.86M | ﹤0.01% |
30,400
+16,800
| +124% | +$1.6M |
|
1653
InterContinental Hotels
IHG
$23.6B
| $2.86M | ﹤0.01% |
20,300
-55,200
| -73% | -$7.18M |
|
1654
Hawkins
HWKN
$2.73B
| $2.86M | ﹤0.01% |
20,100
-32,900
| -62% | -$4.84M |
|
1655
KT
KT
$9.14B
| $2.85M | ﹤0.01% |
150,493
-682,100
| -82% | -$12.7M |
|
|
YALA
1656
Yalla Group
YALA
$826M
| $2.85M | ﹤0.01% |
410,500
-33,700
| -8% | -$241K |
|
1657
Banc of California
BANC
$3.15B
| $2.84M | ﹤0.01% |
147,211
-159,900
| -52% | -$2.87M |
|
1658
ArcBest
ARCB
$3.29B
| $2.84M | ﹤0.01% |
38,235
+27,335
| +251% | +$1.94M |
|
1659
Pricesmart
PSMT
$5.55B
| $2.83M | ﹤0.01% |
23,100
-85,700
| -79% | -$10.5M |
|
|
BULL
1660
Webull Corp
BULL
$4.26B
| $2.83M | ﹤0.01% |
+364,400
| New | +$3.66M |
|
1661
SmartRent
SMRT
$276M
| $2.83M | ﹤0.01% |
1,401,600
-136,412
| -9% | -$224K |
|
1662
First Community Corp
FCCO
$326M
| $2.83M | ﹤0.01% |
95,361
-7,200
| -7% | -$204K |
|
1663
Green Brick Partners
GRBK
$3.03B
| $2.83M | ﹤0.01% |
45,109
-55,100
| -55% | -$3.63M |
|
1664
SR Bancorp
SRBK
$148M
| $2.82M | ﹤0.01% |
179,300
-35,200
| -16% | -$540K |
|
1665
Navient
NAVI
$850M
| $2.79M | ﹤0.01% |
214,900
+141,100
| +191% | +$1.76M |
|
1666
BlueLinx
BXC
$697M
| $2.77M | ﹤0.01% |
45,100
-21,900
| -33% | -$1.41M |
|
1667
First Northwest Bancorp
FNWB
$113M
| $2.77M | ﹤0.01% |
295,105
+15,600
| +6% | +$142K |
|
1668
Lloyds Banking Group
LYG
$90.2B
| $2.75M | ﹤0.01% |
519,800
-4,650,200
| -90% | -$22.5M |
|
1669
Marchex
MCHX
$84.6M
| $2.75M | ﹤0.01% |
1,657,364
-34,800
| -2% | -$59.1K |
|
1670
VictoryShares Free Cash Flow ETF
VFLO
$10.1B
| $2.75M | ﹤0.01% |
69,800
-30,100
| -30% | -$1.15M |
|
1671
Lightpath Technologies
LPTH
$970M
| $2.75M | ﹤0.01% |
254,449
-350,098
| -58% | -$2.84M |
|
1672
GCM Grosvenor
GCMG
$2.8B
| $2.75M | ﹤0.01% |
242,500
-267,400
| -52% | -$3.05M |
|
1673
Kforce
KFRC
$1.05B
| $2.73M | ﹤0.01% |
88,444
-24,205
| -21% | -$712K |
|
|
FRMI
1674
Fermi Inc
FRMI
$4.05B
| $2.73M | ﹤0.01% |
+341,300
| New | +$6.66M |
|
1675
Radcom
RDCM
$171M
| $2.73M | ﹤0.01% |
208,733
+23,511
| +13% | +$315K |
|
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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.