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 | |
|---|---|---|---|---|---|---|
176
Travere Therapeutics
TVTX
$5.68B
| $85.8M | 0.13% |
2,246,779
+494,665
| +28% | +$16.1M |
|
177
Brown & Brown
BRO
$23.9B
| $85.6M | 0.13% |
1,074,000
+87,000
| +9% | +$7.26M |
|
178
TJX Companies
TJX
$172B
| $85.5M | 0.13% |
556,300
-167,000
| -23% | -$24.7M |
|
179
KE Holdings
BEKE
$18.7B
| $85.2M | 0.13% |
5,402,923
-1,441,471
| -21% | -$24.8M |
|
180
Deere & Co
DE
$167B
| $85.1M | 0.13% |
182,740
-6,860
| -4% | -$3.22M |
|
181
QuantumScape Corp
QS
$3.9B
| $84.6M | 0.13% |
+8,117,510
| New | +$112M |
|
182
Winmark
WINA
$1.33B
| $84.3M | 0.13% |
208,155
-6,740
| -3% | -$2.88M |
|
183
Innoviva
INVA
$1.5B
| $84.2M | 0.13% |
4,210,172
-376,760
| -8% | -$7.36M |
|
184
Monster Beverage
MNST
$89.2B
| $83.2M | 0.13% |
2,169,668
-3,330,422
| -61% | -$119M |
|
185
Mercury Insurance
MCY
$5.86B
| $82.9M | 0.13% |
881,382
-161,800
| -16% | -$14M |
|
186
Las Vegas Sands
LVS
$29.6B
| $81.4M | 0.13% |
1,250,395
-691,113
| -36% | -$42.3M |
|
187
Kanzhun
BZ
$7.49B
| $81M | 0.13% |
3,975,967
+496,267
| +14% | +$10.7M |
|
188
Lam Research
LRCX
$390B
| $79.2M | 0.12% |
462,766
+460,566
| +20,935% | +$71.6M |
|
189
BioMarin Pharmaceuticals
BMRN
$13.5B
| $78.7M | 0.12% |
1,324,971
-568,600
| -30% | -$31M |
|
190
Ventas
VTR
$44.6B
| $78.6M | 0.12% |
1,015,761
-61,400
| -6% | -$4.63M |
|
191
Lumen
LUMN
$6.58B
| $78M | 0.12% |
10,043,267
-1,258,939
| -11% | -$10.4M |
|
192
Telkom Indonesia
TLK
$14.4B
| $77.8M | 0.12% |
3,696,614
-173,500
| -4% | -$3.54M |
|
193
Visa
V
$677B
| $77.8M | 0.12% |
221,768
+221,004
| +28,927% | +$75.3M |
|
194
Copart
CPRT
$27.2B
| $77.6M | 0.12% |
1,982,900
+1,974,700
| +24,082% | +$81.9M |
|
195
Microchip Technology
MCHP
$44B
| $77.5M | 0.12% |
1,216,456
-93,100
| -7% | -$5.74M |
|
196
VICI Properties
VICI
$28.6B
| $76.7M | 0.12% |
2,726,029
+1,677,200
| +160% | +$49.8M |
|
197
United States Lime & Minerals
USLM
$3.46B
| $76.6M | 0.12% |
639,342
-43,320
| -6% | -$5.37M |
|
198
Eldorado Gold
EGO
$10.2B
| $76.5M | 0.12% |
2,130,133
-537,404
| -20% | -$16.1M |
|
199
FirstService
FSV
$6.3B
| $76.2M | 0.12% |
489,988
-66,052
| -12% | -$10.7M |
|
200
Huntington Bancshares
HBAN
$35.9B
| $75.2M | 0.12% |
+4,336,393
| New | +$71.2M |
|
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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.