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 | |
|---|---|---|---|---|---|---|
1376
Broadstone Net Lease
BNL
$4.37B
| $4.42M | 0.01% |
+254,700
| New | +$4.59M |
|
|
MCHB
1377
Mechanics Bancorp
MCHB
$3.79B
| $4.42M | 0.01% |
302,100
+241,400
| +398% | +$3.36M |
|
|
OLPX
1378
DELISTED
Olaplex Holdings
OLPX
| $4.42M | 0.01% |
3,296,400
-23,100
| -0.7% | -$27.5K |
|
1379
First Financial Bankshares
FFIN
$5.06B
| $4.42M | 0.01% |
+147,808
| New | +$4.66M |
|
1380
Conduent
CNDT
$241M
| $4.41M | 0.01% |
2,297,100
-51,800
| -2% | -$113K |
|
|
ONTF
1381
DELISTED
ON24
ONTF
| $4.4M | 0.01% |
553,034
-23,500
| -4% | -$133K |
|
1382
Telos
TLS
$336M
| $4.4M | 0.01% |
862,900
+101,100
| +13% | +$631K |
|
1383
Alto Ingredients
ALTO
$328M
| $4.39M | 0.01% |
1,524,000
-369,521
| -20% | -$697K |
|
1384
Sportradar
SRAD
$4.01B
| $4.36M | 0.01% |
183,400
+111,700
| +156% | +$2.69M |
|
1385
Hamilton Insurance Group
HG
$2.35B
| $4.35M | 0.01% |
155,800
+108,900
| +232% | +$2.83M |
|
1386
Beam Therapeutics
BEAM
$2.72B
| $4.34M | 0.01% |
+156,500
| New | +$3.99M |
|
1387
Caleres
CAL
$444M
| $4.34M | 0.01% |
+356,450
| New | +$4.39M |
|
1388
JPMorgan Municipal ETF
JMUB
$8.52B
| $4.33M | 0.01% |
85,800
-29,400
| -26% | -$1.49M |
|
|
FETH
1389
Fidelity Ethereum Fund
FETH
$1.02B
| $4.33M | 0.01% |
+146,200
| New | +$5.05M |
|
|
CVGW
1390
DELISTED
Calavo Growers
CVGW
| $4.31M | 0.01% |
198,378
-75,542
| -28% | -$1.68M |
|
1391
First American
FAF
$7.51B
| $4.31M | 0.01% |
70,200
-194,300
| -73% | -$12.2M |
|
1392
iShares Russell Mid-Cap Growth ETF
IWP
$21.1B
| $4.29M | 0.01% |
31,300
+24,300
| +347% | +$3.4M |
|
1393
GraniteShares Gold Shares
BAR
$1.48B
| $4.28M | 0.01% |
100,700
+13,200
| +15% | +$540K |
|
1394
PennyMac Financial
PFSI
$4.11B
| $4.27M | 0.01% |
32,400
+13,300
| +70% | +$1.69M |
|
1395
Royal Gold
RGLD
$19.5B
| $4.25M | 0.01% |
19,100
-238,942
| -93% | -$47.4M |
|
1396
Atea Pharmaceuticals
AVIR
$413M
| $4.24M | 0.01% |
1,188,500
-39,400
| -3% | -$125K |
|
1397
Organogenesis Holdings
ORGO
$230M
| $4.24M | 0.01% |
818,700
-2,800
| -0.3% | -$13.6K |
|
1398
Cricut
CRCT
$1.22B
| $4.24M | 0.01% |
855,843
+20,400
| +2% | +$104K |
|
1399
Nextpower Inc
NXT
$15.8B
| $4.21M | 0.01% |
48,300
-913,408
| -95% | -$82.8M |
|
1400
Compañía de Cervecerías Unidas
CCU
$2.18B
| $4.2M | 0.01% |
329,365
-22,600
| -6% | -$286K |
|
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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.