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 | |
|---|---|---|---|---|---|---|
1776
Black Diamond Therapeutics
BDTX
$116M
| $2.31M | ﹤0.01% |
949,735
+350,335
| +58% | +$1.24M |
|
1777
Invesco China Technology ETF
CQQQ
$3.19B
| $2.3M | ﹤0.01% |
44,200
+11,300
| +34% | +$615K |
|
|
SNT
1778
Senstar Technologies
SNT
$43.3M
| $2.3M | ﹤0.01% |
475,269
-59,900
| -11% | -$257K |
|
1779
Ocugen
OCGN
$458M
| $2.3M | ﹤0.01% |
1,700,400
+1,410,200
| +486% | +$2.01M |
|
1780
Estee Lauder
EL
$31.6B
| $2.29M | ﹤0.01% |
21,900
-242,900
| -92% | -$23.6M |
|
1781
Janus International
JBI
$664M
| $2.29M | ﹤0.01% |
350,500
-102,000
| -23% | -$795K |
|
1782
First Trust Exchange-Traded Fund IV First Trust Low Duration Opportunities ETF
LMBS
$6.4B
| $2.28M | ﹤0.01% |
45,700
-124,090
| -73% | -$6.2M |
|
1783
Protalix BioTherapeutics
PLX
$190M
| $2.27M | ﹤0.01% |
1,263,300
-52,100
| -4% | -$107K |
|
1784
LG Display
LPL
$3.37B
| $2.27M | ﹤0.01% |
540,100
-17,000
| -3% | -$79.4K |
|
1785
Eastern Company
EML
$154M
| $2.27M | ﹤0.01% |
115,237
-1,399
| -1% | -$28.6K |
|
1786
FRP Holdings
FRPH
$425M
| $2.27M | ﹤0.01% |
99,548
+19,048
| +24% | +$450K |
|
1787
Invesco S&P 500 Top 50 ETF
XLG
$11B
| $2.26M | ﹤0.01% |
38,200
-90,700
| -70% | -$5.33M |
|
1788
T-Rex 2X Inverse Tesla Daily Target ETF
TSLZ
$28.3M
| $2.26M | ﹤0.01% |
+190,800
| New | +$2.53M |
|
1789
LCNB Corp
LCNB
$281M
| $2.26M | ﹤0.01% |
138,116
+9,200
| +7% | +$145K |
|
|
OMDA
1790
Omada Health Inc
OMDA
$1.44B
| $2.25M | ﹤0.01% |
142,800
+130,300
| +1,042% | +$2.64M |
|
|
DGXX
1791
Digi Power X Inc
DGXX
$407M
| $2.25M | ﹤0.01% |
883,501
+540,801
| +158% | +$2.03M |
|
1792
IPG Photonics
IPGP
$3.57B
| $2.24M | ﹤0.01% |
+31,300
| New | +$2.55M |
|
1793
Flexible Solutions
FSI
$63.1M
| $2.24M | ﹤0.01% |
333,194
-17,051
| -5% | -$135K |
|
1794
Ecovyst
ECVT
$1.09B
| $2.24M | ﹤0.01% |
230,100
-10,600
| -4% | -$92.5K |
|
1795
iShares Core Dividend Growth ETF
DGRO
$43.9B
| $2.24M | ﹤0.01% |
32,200
-65,400
| -67% | -$4.5M |
|
1796
Palmer Square Capital BDC
PSBD
$318M
| $2.23M | ﹤0.01% |
183,000
+28,900
| +19% | +$354K |
|
1797
Compugen
CGEN
$228M
| $2.23M | ﹤0.01% |
1,456,900
+51,565
| +4% | +$85.6K |
|
1798
Vanguard Morningstar Large-Cap ETF
VV
$54.9B
| $2.22M | ﹤0.01% |
7,040
-1,060
| -13% | -$331K |
|
1799
Caledonia Mining Corp
CMCL
$439M
| $2.21M | ﹤0.01% |
84,519
+63,392
| +300% | +$1.86M |
|
1800
PRA Group
PRAA
$762M
| $2.21M | ﹤0.01% |
125,000
+73,900
| +145% | +$1.15M |
|
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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.