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 | |
|---|---|---|---|---|---|---|
3226
Verrica Pharmaceuticals
VRCA
$83.5M
| $126K | ﹤0.01% |
29,191
+20,471
| +235% | +$123K |
|
3227
SemiLEDS
LEDS
$17.6M
| $126K | ﹤0.01% |
57,413
+23,313
| +68% | +$47.2K |
|
3228
Atlantic American Corp
AAME
$29M
| $124K | ﹤0.01% |
43,100
+9,700
| +29% | +$26.8K |
|
3229
Dare Bioscience
DARE
$20.5M
| $124K | ﹤0.01% |
58,895
-12,900
| -18% | -$29.1K |
|
3230
Armata Pharmaceuticals
ARMP
$177M
| $123K | ﹤0.01% |
41,296
+2,400
| +6% | +$6.21K |
|
3231
Vivos Therapeutics
VVOS
$4.24M
| $122K | ﹤0.01% |
+39,279
| New | +$178K |
|
3232
System1
SST
$17.8M
| $121K | ﹤0.01% |
17,120
+5,100
| +42% | +$35.2K |
|
3233
Microvision
MVIS
$89.7M
| $119K | ﹤0.01% |
+6,417
| New | +$115K |
|
3234
Gray Media Inc
GTN.A
$612M
| $118K | ﹤0.01% |
12,200
| – | – |
|
3235
Forafric Global
AFRI
$286M
| $116K | ﹤0.01% |
13,400
-200
| -1% | -$1.63K |
|
3236
Under Armour Class C
UA
$2.25B
| $115K | ﹤0.01% |
23,800
-783,500
| -97% | -$4.38M |
|
|
CTOR
3237
Citius Oncology
CTOR
$76.9M
| $113K | ﹤0.01% |
+55,900
| New | +$121K |
|
|
GURE
3238
Gulf Resources
GURE
$5.48M
| $113K | ﹤0.01% |
20,203
+5,859
| +41% | +$40.2K |
|
3239
SiNtx Technologies
SINT
$10.9M
| $113K | ﹤0.01% |
+27,552
| New | +$97.7K |
|
|
PPSI
3240
Pioneer Power Solutions
PPSI
$33.5M
| $107K | ﹤0.01% |
24,752
-8,392
| -25% | -$30.1K |
|
3241
Oxbridge Re Holdings
OXBR
$10.5M
| $106K | ﹤0.01% |
59,000
+25,778
| +78% | +$52.5K |
|
|
ALLR
3242
Allarity Therapeutics
ALLR
$21.6M
| $105K | ﹤0.01% |
+66,186
| New | +$83.1K |
|
|
INCR
3243
Intercure
INCR
$54.9M
| $104K | ﹤0.01% |
63,700
+14,800
| +30% | +$23K |
|
3244
Rafael Holdings
RFL
$102M
| $104K | ﹤0.01% |
76,431
+46,600
| +156% | +$78.4K |
|
3245
Cosmos Holdings
COSM
$12.8M
| $103K | ﹤0.01% |
+92,800
| New | +$70.8K |
|
3246
Lipocine
LPCN
$17M
| $103K | ﹤0.01% |
36,097
+1,300
| +4% | +$3.95K |
|
3247
Wrap Technologies
WRAP
$97.4M
| $101K | ﹤0.01% |
46,700
-100
| -0.2% | -$161 |
|
|
CLSD
3248
DELISTED
Clearside Biomedical
CLSD
| $100K | ﹤0.01% |
25,247
-7,859
| -24% | -$53.5K |
|
3249
Grove Collaborative
GROV
$44M
| $100K | ﹤0.01% |
66,700
+5,100
| +8% | +$7.44K |
|
3250
ARKO Corp
ARKO
$505M
| $99.6K | ﹤0.01% |
+21,800
| New | +$103K |
|
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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.