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 | |
|---|---|---|---|---|---|---|
2526
Xometry
XMTR
$5.42B
| $571K | ﹤0.01% |
+9,600
| New | +$541K |
|
|
LONA
2527
LeonaBio Inc
LONA
$73.9M
| $569K | ﹤0.01% |
75,147
+23,223
| +45% | +$106K |
|
2528
Vanguard Morningstar Growth ETF
VUG
$231B
| $566K | ﹤0.01% |
6,960
+3,384
| +95% | +$275K |
|
2529
Orion
OEC
$360M
| $564K | ﹤0.01% |
106,796
-114,900
| -52% | -$623K |
|
2530
Vince Holding Corp
VNCE
$78.9M
| $561K | ﹤0.01% |
137,450
+56,600
| +70% | +$174K |
|
|
AUNA
2531
Auna
AUNA
$392M
| $560K | ﹤0.01% |
113,750
-23,750
| -17% | -$129K |
|
2532
Belpointe PREP
OZ
$184M
| $559K | ﹤0.01% |
+8,600
| New | +$541K |
|
2533
Global X S&P 500 Covered Call ETF
XYLD
$3.28B
| $557K | ﹤0.01% |
+13,700
| New | +$548K |
|
|
CMBM
2534
DELISTED
Cambium Networks
CMBM
| $555K | ﹤0.01% |
385,749
-102,243
| -21% | -$174K |
|
2535
GraniteShares 2x Short TSLA Daily ETF
TSDD
$26.3M
| $554K | ﹤0.01% |
+71,700
| New | +$666K |
|
|
CBIO
2536
Crescent Biopharma
CBIO
$618M
| $554K | ﹤0.01% |
46,700
+19,800
| +74% | +$252K |
|
2537
Energy Services of America
ESOA
$233M
| $553K | ﹤0.01% |
67,700
-8,700
| -11% | -$83.6K |
|
2538
Usio Inc
USIO
$71.5M
| $552K | ﹤0.01% |
406,141
-35,100
| -8% | -$49.9K |
|
2539
Jerash Holdings
JRSH
$67.7M
| $550K | ﹤0.01% |
180,424
+27,954
| +18% | +$88.9K |
|
2540
MVB Financial
MVBF
$397M
| $550K | ﹤0.01% |
+21,300
| New | +$565K |
|
|
VELO
2541
Velo3D Inc
VELO
$494M
| $548K | ﹤0.01% |
39,900
-8,400
| -17% | -$57.8K |
|
2542
RAVE Restaurant Group
RAVE
$44.2M
| $547K | ﹤0.01% |
165,856
+16,598
| +11% | +$48K |
|
|
SWKH
2543
DELISTED
SWK Holdings
SWKH
| $547K | ﹤0.01% |
31,800
-6,000
| -16% | -$99.1K |
|
2544
State Street SPDR S&P Global Natural Resources ETF
GNR
$4.9B
| $547K | ﹤0.01% |
8,800
-16,600
| -65% | -$998K |
|
2545
The Beachbody Company
BODI
$47.6M
| $547K | ﹤0.01% |
52,769
+18,505
| +54% | +$142K |
|
2546
Atara Biotherapeutics
ATRA
$76.7M
| $543K | ﹤0.01% |
30,040
+11,104
| +59% | +$166K |
|
2547
iShares MSCI Italy ETF
EWI
$1.08B
| $543K | ﹤0.01% |
10,000
-1,300
| -12% | -$68.3K |
|
2548
ChargePoint
CHPT
$160M
| $538K | ﹤0.01% |
+81,059
| New | +$766K |
|
2549
Rocky Mountain Chocolate Factory
RMCF
$15.6M
| $536K | ﹤0.01% |
281,923
-16,295
| -5% | -$27.1K |
|
2550
NNN REIT
NNN
$8.87B
| $535K | ﹤0.01% |
13,500
-137,100
| -91% | -$5.62M |
|
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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.