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 | |
|---|---|---|---|---|---|---|
1526
York Water
YORW
$536M
| $3.59M | 0.01% |
112,836
-105,900
| -48% | -$3.39M |
|
1527
PIMCO Multi Sector Bond Active ETF
PYLD
$15.2B
| $3.59M | 0.01% |
134,618
-536,591
| -80% | -$14.4M |
|
1528
VTEX
VTEX
$618M
| $3.59M | 0.01% |
954,800
-114,800
| -11% | -$471K |
|
1529
iShares MSCI EAFE Value ETF
EFV
$30.1B
| $3.58M | 0.01% |
+50,200
| New | +$3.49M |
|
1530
CSP Inc
CSPI
$79.1M
| $3.58M | 0.01% |
286,126
-20,400
| -7% | -$250K |
|
1531
ProShares Bitcoin Strategy ETF
BITO
$1.42B
| $3.57M | 0.01% |
293,500
+51,200
| +21% | +$803K |
|
1532
Direxion Daily Financial Bull 3x ETF
FAS
$2.49B
| $3.57M | 0.01% |
21,200
-500
| -2% | -$83K |
|
1533
Cohu
COHU
$2.75B
| $3.55M | 0.01% |
152,654
+5,747
| +4% | +$132K |
|
|
SGMO
1534
DELISTED
SANGAMO THERAPEUTICS INC
SGMO
| $3.54M | 0.01% |
8,430,323
-1,752,140
| -17% | -$929K |
|
1535
Oscar Health
OSCR
$10.2B
| $3.54M | 0.01% |
+246,100
| New | +$4.26M |
|
1536
IBEX
IBEX
$478M
| $3.54M | 0.01% |
92,594
+3,694
| +4% | +$137K |
|
1537
AdvanSix
ASIX
$457M
| $3.53M | 0.01% |
+203,800
| New | +$3.56M |
|
1538
State Street SPDR Bloomberg Short Term High Yield Bond ETF
SJNK
$4.8B
| $3.52M | 0.01% |
139,100
-835,704
| -86% | -$21.2M |
|
1539
Diodes
DIOD
$4.75B
| $3.52M | 0.01% |
71,351
-29,300
| -29% | -$1.48M |
|
|
KWY
1540
Kingsway Corp
KWY
$283M
| $3.52M | 0.01% |
261,380
-10,035
| -4% | -$138K |
|
1541
Equity Lifestyle Properties
ELS
$12.7B
| $3.52M | 0.01% |
58,000
-439,300
| -88% | -$27.1M |
|
1542
iShares MSCI Europe Financials ETF
EUFN
$4.32B
| $3.51M | 0.01% |
+94,500
| New | +$3.28M |
|
1543
PIMCO Intermediate Municipal Bond Active Exchange-Traded Fund
MUNI
$3.12B
| $3.5M | 0.01% |
66,800
-141,400
| -68% | -$7.42M |
|
|
CMBT
1544
CMB.TECH NV
CMBT
$4.99B
| $3.5M | 0.01% |
362,500
-94,700
| -21% | -$921K |
|
1545
Vanguard Dividend Appreciation ETF
VIG
$114B
| $3.49M | 0.01% |
15,900
+7,700
| +94% | +$1.68M |
|
1546
Provident Financial
PROV
$112M
| $3.48M | 0.01% |
218,947
-8,200
| -4% | -$128K |
|
1547
Eton Pharmaceutcials
ETON
$1.55B
| $3.48M | 0.01% |
205,700
-118,921
| -37% | -$2.09M |
|
1548
Consumer Portfolio Services
CPSS
$208M
| $3.47M | 0.01% |
371,558
-13,600
| -4% | -$114K |
|
1549
Xperi
XPER
$324M
| $3.47M | 0.01% |
591,383
-130,500
| -18% | -$818K |
|
1550
Avantis US Small Cap Value ETF
AVUV
$31.2B
| $3.46M | 0.01% |
33,900
+16,800
| +98% | +$1.68M |
|
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.