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 | |
|---|---|---|---|---|---|---|
226
RELX
RELX
$61.7B
| $65.3M | 0.1% |
1,616,730
+268,130
| +20% | +$11.4M |
|
227
Shell
SHEL
$250B
| $64.8M | 0.1% |
881,376
-144,318
| -14% | -$10.6M |
|
228
Freeport-McMoran
FCX
$96.4B
| $64.1M | 0.1% |
+1,262,871
| New | +$54.7M |
|
229
Maplebear
CART
$11.4B
| $64.1M | 0.1% |
1,424,454
-223,999
| -14% | -$9.17M |
|
230
Rocket Lab Corp
RKLB
$51.2B
| $63.8M | 0.1% |
+915,100
| New | +$52.5M |
|
231
Qualys
QLYS
$6.51B
| $63.8M | 0.1% |
480,300
+24,600
| +5% | +$3.38M |
|
232
Tradeweb Markets
TW
$22B
| $63.7M | 0.1% |
592,518
-1,052,302
| -64% | -$113M |
|
233
Ambev
ABEV
$43.8B
| $63.4M | 0.1% |
25,679,400
-15,974,400
| -38% | -$38M |
|
234
Vodafone
VOD
$36.7B
| $62.7M | 0.1% |
4,747,807
-4,099,925
| -46% | -$49.6M |
|
235
Scorpio Tankers
STNG
$3.72B
| $62.2M | 0.1% |
1,223,015
+137,000
| +13% | +$7.82M |
|
|
CPRX
236
DELISTED
Catalyst Pharmaceutical
CPRX
| $61.9M | 0.1% |
2,650,077
-894,753
| -25% | -$19.9M |
|
237
Tractor Supply
TSCO
$18.4B
| $61.6M | 0.1% |
+1,232,500
| New | +$66.4M |
|
238
Itaú Unibanco
ITUB
$82.7B
| $61.6M | 0.1% |
8,606,381
-6,034,215
| -41% | -$42.9M |
|
239
Guardant Health
GH
$22.2B
| $61.5M | 0.1% |
602,300
+70,453
| +13% | +$6.3M |
|
240
ZIM Integrated Shipping Services
ZIM
$2.96B
| $61.1M | 0.09% |
2,877,685
-948,442
| -25% | -$15.9M |
|
241
Aecom
ACM
$8.62B
| $60.8M | 0.09% |
637,577
+187,600
| +42% | +$22.1M |
|
242
Progressive
PGR
$123B
| $60.2M | 0.09% |
264,300
-51,200
| -16% | -$11.6M |
|
243
Cheniere Energy
LNG
$54.8B
| $59.1M | 0.09% |
304,064
-264,089
| -46% | -$55.5M |
|
244
Home Depot
HD
$353B
| $59M | 0.09% |
+171,600
| New | +$62.9M |
|
245
Descartes Systems
DSGX
$6.78B
| $59M | 0.09% |
672,944
+181,100
| +37% | +$16.2M |
|
246
Huazhu Hotels Group
HTHT
$12.8B
| $58.9M | 0.09% |
1,252,885
+421,400
| +51% | +$18.2M |
|
247
Evergy
EVRG
$18.9B
| $58.8M | 0.09% |
811,202
+446,400
| +122% | +$33.9M |
|
|
MZTI
248
The Marzetti Company
MZTI
$3.15B
| $58.6M | 0.09% |
356,380
-26,600
| -7% | -$4.44M |
|
249
Buckle
BKE
$2.37B
| $58.5M | 0.09% |
1,095,202
-61,100
| -5% | -$3.41M |
|
250
Warrior Met Coal
HCC
$5.16B
| $58.3M | 0.09% |
661,181
-117,800
| -15% | -$8.86M |
|
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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.