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 | |
|---|---|---|---|---|---|---|
151
Nike
NKE
$61.3B
| $107M | 0.14% |
1,529,800
+1,363,059
| +817% | +$102M |
|
152
FirstService
FSV
$6.3B
| $106M | 0.14% |
556,040
-40,000
| -7% | -$7.74M |
|
153
Cisco
CSCO
$475B
| $105M | 0.14% |
+1,541,505
| New | +$105M |
|
154
Copa Holdings
CPA
$5.49B
| $105M | 0.14% |
887,428
-110,400
| -11% | -$12.6M |
|
155
TJX Companies
TJX
$172B
| $105M | 0.14% |
723,300
-419,800
| -37% | -$55.8M |
|
156
Las Vegas Sands
LVS
$29.6B
| $104M | 0.14% |
1,941,508
-153,571
| -7% | -$8.08M |
|
157
Itaú Unibanco
ITUB
$82.7B
| $104M | 0.14% |
14,640,596
-12,911,874
| -47% | -$85.3M |
|
158
GoDaddy
GDDY
$11.5B
| $104M | 0.14% |
760,900
-108,800
| -13% | -$16.7M |
|
159
Vodafone
VOD
$36.7B
| $103M | 0.14% |
8,847,732
-4,189,500
| -32% | -$47.8M |
|
160
BioMarin Pharmaceuticals
BMRN
$13.5B
| $103M | 0.14% |
1,893,571
+86,800
| +5% | +$4.96M |
|
161
Datadog
DDOG
$88.6B
| $101M | 0.13% |
711,052
+334,800
| +89% | +$46.1M |
|
162
Royal Caribbean
RCL
$82.1B
| $100M | 0.13% |
309,101
-224,500
| -42% | -$75M |
|
163
Arista Networks
ANET
$250B
| $99.8M | 0.13% |
685,240
+6,340
| +0.9% | +$816K |
|
164
Occidental Petroleum
OXY
$59B
| $98.4M | 0.13% |
2,082,138
+156,745
| +8% | +$7.08M |
|
165
GameStop
GME
$8.44B
| $97.7M | 0.13% |
3,580,348
+1,733,000
| +94% | +$41.1M |
|
|
SCHW
166
Charles Schwab
SCHW
$186B
| $97.6M | 0.13% |
1,021,841
-295,800
| -22% | -$28.1M |
|
167
Abercrombie & Fitch
ANF
$5.24B
| $97.2M | 0.13% |
1,136,310
-5,300
| -0.5% | -$494K |
|
168
AutoZone
AZO
$49.7B
| $96.1M | 0.13% |
22,400
+13,883
| +163% | +$55.7M |
|
169
Howmet Aerospace
HWM
$112B
| $96M | 0.13% |
489,188
-194,800
| -28% | -$35.5M |
|
170
Omnicom Group
OMC
$23.6B
| $95.3M | 0.13% |
1,169,400
-107,500
| -8% | -$8.12M |
|
171
McKesson
MCK
$105B
| $94.6M | 0.12% |
122,426
-75,700
| -38% | -$53.3M |
|
172
VanEck Semiconductor ETF
SMH
$70.6B
| $94.4M | 0.12% |
+289,367
| New | +$85.7M |
|
173
Enphase Energy
ENPH
$5.59B
| $94.4M | 0.12% |
2,667,428
-574,300
| -18% | -$21.3M |
|
174
Chewy
CHWY
$9.2B
| $94.3M | 0.12% |
2,331,645
-2,260,337
| -49% | -$87.2M |
|
175
MP Materials
MP
$9.84B
| $94.2M | 0.12% |
1,404,600
+174,500
| +14% | +$11M |
|
Similar funds
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.