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 | |
|---|---|---|---|---|---|---|
3051
Drilling Tools International
DTI
$86.1M
| $72.6K | ﹤0.01% |
29,640
-4,471
| -13% | -$10.8K |
|
3052
Harte-Hanks
HHS
$18.6M
| $72.5K | ﹤0.01% |
24,100
-21,900
| -48% | -$71.6K |
|
3053
Hongli Group Inc. Class A Ordinary Shares
HLP
$95.7M
| $72.2K | ﹤0.01% |
+69,400
| New | +$101K |
|
3054
Nerdy
NRDY
$93.7M
| $71.4K | ﹤0.01% |
68,700
-446,323
| -87% | -$503K |
|
3055
Kartoon Studios
TOON
$38.7M
| $71.2K | ﹤0.01% |
98,890
-138,659
| -58% | -$102K |
|
|
LND
3056
BrasilAgro
LND
$348M
| $70.9K | ﹤0.01% |
19,800
-19,060
| -49% | -$70K |
|
3057
Elutia
ELUT
$36.2M
| $70.7K | ﹤0.01% |
102,116
+40,123
| +65% | +$30.5K |
|
3058
Nexalin Technology
NXL
$7.83M
| $68.1K | ﹤0.01% |
122,100
+66,400
| +119% | +$74.6K |
|
3059
PharmaCyte Biotech
PMCB
$5.88M
| $68.1K | ﹤0.01% |
94,036
+14,036
| +18% | +$12.6K |
|
3060
Rafael Holdings
RFL
$103M
| $66.1K | ﹤0.01% |
56,027
-20,404
| -27% | -$26.4K |
|
3061
Noodles & Co
NDLS
$98M
| $66K | ﹤0.01% |
11,688
+3,075
| +36% | +$17.5K |
|
3062
Beamr Imaging
BMR
$20.3M
| $65.5K | ﹤0.01% |
41,700
+15,000
| +56% | +$35.7K |
|
|
INCR
3063
Intercure
INCR
$57.1M
| $65.2K | ﹤0.01% |
71,600
+7,900
| +12% | +$11K |
|
3064
Skillful Craftsman
EDTK
$14.6M
| $65.1K | ﹤0.01% |
72,300
-15,200
| -17% | -$15.3K |
|
|
BTCZ
3065
T-Rex 2X Inverse Bitcoin Daily Target ETF
BTCZ
$21.8M
| $64.4K | ﹤0.01% |
+15,300
| New | +$54.4K |
|
3066
Cytosorbents Corp
CTSO
$23.3M
| $64K | ﹤0.01% |
100,120
-34,685
| -26% | -$26.7K |
|
3067
Gray Television
GTN
$498M
| $63.9K | ﹤0.01% |
13,200
-148,000
| -92% | -$724K |
|
3068
Hain Celestial
HAIN
$52.9M
| $63.7K | ﹤0.01% |
59,500
+44,800
| +305% | +$55.3K |
|
3069
Kopin
KOPN
$930M
| $63.1K | ﹤0.01% |
+26,964
| New | +$77.9K |
|
3070
Cardlytics
CDLX
$24.7M
| $62.1K | ﹤0.01% |
+5,400
| New | +$83.4K |
|
3071
Motorsport Games
MSGM
$18.1M
| $60.9K | ﹤0.01% |
19,200
-40,400
| -68% | -$111K |
|
|
OPENZ
3072
Opendoor Technologies Inc Series Z Warrants
OPENZ
$3.98M
| $60K | ﹤0.01% |
+150,123
| New | +$90.9K |
|
3073
Pluri
PLUR
$17.6M
| $59.9K | ﹤0.01% |
20,024
-13,901
| -41% | -$51.8K |
|
3074
Smith Micro Software
SMSI
$17M
| $59.8K | ﹤0.01% |
22,149
+6,521
| +42% | +$21.4K |
|
|
STG
3075
Sunlands Technology
STG
$44.5M
| $59.8K | ﹤0.01% |
10,098
| – | – |
|
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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.