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 | |
|---|---|---|---|---|---|---|
2751
Compass Minerals
CMP
$1.12B
| $310K | ﹤0.01% |
15,800
-100
| -0.6% | -$1.85K |
|
2752
Broadcom
AVGO
$2.02T
| $308K | ﹤0.01% |
889
+62
| +7% | +$22.2K |
|
|
VIVO
2753
VivoPower PLC
VIVO
$144M
| $306K | ﹤0.01% |
+135,058
| New | +$464K |
|
2754
SenesTech
SNES
$6.94M
| $306K | ﹤0.01% |
142,800
+37,165
| +35% | +$116K |
|
2755
SkinHealth Systems
SKIN
$85.5M
| $304K | ﹤0.01% |
218,891
+4,400
| +2% | +$6.36K |
|
2756
LiveOne
LVO
$56.6M
| $304K | ﹤0.01% |
64,408
+2,300
| +4% | +$10.9K |
|
2757
Lexicon Pharmaceuticals
LXRX
$1.05B
| $303K | ﹤0.01% |
263,254
-29,146
| -10% | -$40K |
|
2758
State Street DoubleLine Total Return Tactical ETF
TOTL
$4.01B
| $302K | ﹤0.01% |
7,500
-63,530
| -89% | -$2.57M |
|
2759
Shoals Technologies Group
SHLS
$1.4B
| $301K | ﹤0.01% |
35,400
-2,367,100
| -99% | -$21.3M |
|
2760
Bolt Biotherapeutics
BOLT
$6.57M
| $301K | ﹤0.01% |
55,025
+26,400
| +92% | +$142K |
|
2761
Lipocine
LPCN
$17.2M
| $300K | ﹤0.01% |
37,397
+1,300
| +4% | +$4.37K |
|
|
CARL
2762
Carlsmed
CARL
$381M
| $300K | ﹤0.01% |
+24,300
| New | +$323K |
|
2763
Soluna Holdings
SLNH
$208M
| $299K | ﹤0.01% |
+255,942
| New | +$583K |
|
2764
MarketWise
MKTW
$53.6M
| $299K | ﹤0.01% |
19,899
+900
| +5% | +$14.1K |
|
2765
Solid Biosciences
SLDB
$974M
| $298K | ﹤0.01% |
52,800
-410,900
| -89% | -$2.23M |
|
2766
BCE
BCE
$21.6B
| $298K | ﹤0.01% |
+12,500
| New | +$291K |
|
2767
Fortress Biotech
FBIO
$94M
| $297K | ﹤0.01% |
81,100
+40,300
| +99% | +$115K |
|
2768
International Money Express
IMXI
$347M
| $296K | ﹤0.01% |
+19,300
| New | +$290K |
|
2769
Cartesian Therapeutics
RNAC
$266M
| $296K | ﹤0.01% |
+41,100
| New | +$332K |
|
2770
First Capital
FCAP
$218M
| $296K | ﹤0.01% |
5,000
-500
| -9% | -$24.7K |
|
2771
Green Dot
GDOT
$768M
| $295K | ﹤0.01% |
+23,000
| New | +$286K |
|
2772
Talphera
TLPH
$63.3M
| $293K | ﹤0.01% |
257,380
+207,166
| +413% | +$250K |
|
2773
Vornado Realty Trust
VNO
$7.45B
| $293K | ﹤0.01% |
8,799
-172,000
| -95% | -$6.28M |
|
2774
Arts-Way Manufacturing Co
ARTW
$13.9M
| $293K | ﹤0.01% |
124,474
+60,400
| +94% | +$148K |
|
2775
CI&T Inc
CINT
$468M
| $292K | ﹤0.01% |
71,700
-143,800
| -67% | -$654K |
|
Similar funds
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.