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 |
Alphabet (Google) Class A
GOOGL
|
+$546M |
| 2 |
Microsoft
MSFT
|
+$480M |
| 3 |
Alphabet (Google) Class C
GOOG
|
+$362M |
| 4 |
Meta Platforms (Facebook)
META
|
+$350M |
| 5 |
Coca-Cola
KO
|
+$266M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Robinhood
HOOD
|
+$1.04B |
| 2 |
Palantir
PLTR
|
+$800M |
| 3 |
Apple
AAPL
|
+$516M |
| 4 |
Netflix
NFLX
|
+$326M |
| 5 |
NVIDIA
NVDA
|
+$313M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 21.71% |
| 2 | Healthcare | 15.16% |
| 3 | Consumer Discretionary | 11.81% |
| 4 | Communication Services | 10.53% |
| 5 | Financials | 9.27% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
201
Conagra Brands
CAG
$7.14B
| $84.7M | 0.11% |
4,623,681
+3,549,400
| +330% | +$68M |
|
202
Microchip Technology
MCHP
$44B
| $84.1M | 0.11% |
+1,309,556
| New | +$88.7M |
|
203
Enova International
ENVA
$6.4B
| $83.7M | 0.11% |
727,537
-23,000
| -3% | -$2.63M |
|
204
Innoviva
INVA
$1.5B
| $83.7M | 0.11% |
4,586,932
-173,900
| -4% | -$3.39M |
|
205
Brady Corp
BRC
$4.48B
| $83.3M | 0.11% |
1,068,040
-30,800
| -3% | -$2.28M |
|
206
Corteva
CTVA
$50.9B
| $83.3M | 0.11% |
1,231,662
+372,162
| +43% | +$27M |
|
207
Chubb
CB
$134B
| $83.3M | 0.11% |
295,099
+289,400
| +5,078% | +$79.6M |
|
208
Supernus Pharmaceuticals
SUPN
$2.73B
| $83.2M | 0.11% |
1,740,622
+85,300
| +5% | +$3.44M |
|
209
Advanced Micro Devices
AMD
$774B
| $83.2M | 0.11% |
+523,447
| New | +$84.5M |
|
210
Clorox
CLX
$13.1B
| $82.6M | 0.11% |
670,300
-184,867
| -22% | -$22.9M |
|
211
Devon Energy
DVN
$49.9B
| $82.3M | 0.11% |
2,347,630
-182,100
| -7% | -$6.2M |
|
212
Grand Canyon Education
LOPE
$3.76B
| $82.2M | 0.11% |
374,402
-14,100
| -4% | -$2.71M |
|
|
FYBR
213
DELISTED
Frontier Communications
FYBR
| $81.6M | 0.11% |
2,183,500
+377,200
| +21% | +$13.9M |
|
214
Kanzhun
BZ
$7.49B
| $81.3M | 0.11% |
3,479,700
-900
| -0% | -$19.3K |
|
215
Tapestry
TPR
$32.4B
| $81.1M | 0.11% |
715,900
-235,100
| -25% | -$24.6M |
|
216
Rio Tinto
RIO
$164B
| $79.9M | 0.11% |
1,210,800
-45,000
| -4% | -$2.78M |
|
217
Vale
VALE
$60.9B
| $79.9M | 0.11% |
7,357,533
-3,286,426
| -31% | -$33.5M |
|
218
Citigroup
C
$228B
| $79.4M | 0.1% |
782,338
+712,219
| +1,016% | +$67.6M |
|
219
ON Semiconductor
ON
$31.6B
| $79.4M | 0.1% |
1,609,732
+683,836
| +74% | +$36M |
|
220
Ferguson
FERG
$48.7B
| $78.3M | 0.1% |
348,600
+195,100
| +127% | +$44.2M |
|
221
Progressive
PGR
$123B
| $77.9M | 0.1% |
315,500
-166,700
| -35% | -$41.1M |
|
222
Amcor
AMCR
$21.9B
| $77.5M | 0.1% |
1,895,143
-1,148,460
| -38% | -$51.5M |
|
223
General Mills
GIS
$20.2B
| $77.2M | 0.1% |
+1,531,200
| New | +$76.8M |
|
224
Eldorado Gold
EGO
$10.2B
| $77.1M | 0.1% |
2,667,537
-319,204
| -11% | -$7.52M |
|
225
Dave Inc
DAVE
$3.95B
| $77M | 0.1% |
386,400
-57,300
| -13% | -$12.4M |
|
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Jim Simons's Q3 2025 Portfolio in Review
As of Q3 2025, Jim Simons held 4,038 positions worth $75.8B, up 0.77% from $75.2B the previous quarter. Its ten largest holdings account for 11% of the portfolio.
Jim Simons withdrew a net $5.41B in Q3 2025, closing 581 positions and reducing 1,457 holdings. Its most notable exit was GE Aerospace, an estimated $235M position sold in full.
By sector, the portfolio is most concentrated in Technology at 22% of assets, up from 20% a quarter earlier, followed by Healthcare and Consumer Discretionary.
Against the trend, Jim Simons opened a new position in Alphabet (Google) Class C worth $419M.
- Jim Simons's largest Q3 2025 buy was Alphabet (Google) Class C: 1,720,002 shares worth $419M.
- Jim Simons added most to Alphabet (Google) Class A in Q3 2025, an estimated $546M increase.
- Jim Simons's biggest Q3 2025 reduction was Robinhood, cutting an estimated $1.04B.
- Jim Simons fully exited GE Aerospace in Q3 2025, selling an estimated $235M.
- Jim Simons's ten largest holdings make up 11% of its $75.8B portfolio in Q3 2025.
- Jim Simons opened 516 new positions and closed 581 in Q3 2025.
- Jim Simons's portfolio value rose 0.77% quarter-over-quarter to $75.8B.
Based on Renaissance Technologies's 13F filing for Q3 2025, filed 13 Nov 2025.