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 |
Alphabet (Google) Class A
GOOGL
|
+$546M |
| 2 |
Microsoft
MSFT
|
+$480M |
| 3 |
Alphabet (Google) Class C
GOOG
|
+$362M |
| 4 |
Meta Platforms (Facebook)
META
|
+$350M |
| 5 |
Coca-Cola
KO
|
+$266M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Robinhood
HOOD
|
+$1.04B |
| 2 |
Palantir
PLTR
|
+$800M |
| 3 |
Apple
AAPL
|
+$516M |
| 4 |
Netflix
NFLX
|
+$326M |
| 5 |
NVIDIA
NVDA
|
+$313M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 21.71% |
| 2 | Healthcare | 15.16% |
| 3 | Consumer Discretionary | 11.81% |
| 4 | Communication Services | 10.53% |
| 5 | Financials | 9.27% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
1301
Janus Henderson B-BBB CLO ETF
JBBB
$1.43B
| $6.9M | 0.01% |
143,200
+4,444
| +3% | +$215K |
|
1302
Vanguard Russell 1000 Growth ETF
VONG
$46B
| $6.89M | 0.01% |
57,200
+52,900
| +1,230% | +$6.06M |
|
1303
iShares S&P 100 ETF
OEF
$20.5B
| $6.89M | 0.01% |
20,700
+16,200
| +360% | +$5.15M |
|
1304
Liberty Energy
LBRT
$3.56B
| $6.87M | 0.01% |
556,700
+362,300
| +186% | +$4.19M |
|
1305
Heritage Insurance Holdings
HRTG
$1,000M
| $6.86M | 0.01% |
272,330
-100,669
| -27% | -$2.29M |
|
|
SGMO
1306
DELISTED
SANGAMO THERAPEUTICS INC
SGMO
| $6.86M | 0.01% |
10,182,463
+3,343,029
| +49% | +$1.8M |
|
1307
Bridgewater Bancshares
BWB
$622M
| $6.85M | 0.01% |
389,147
-14,100
| -3% | -$230K |
|
1308
iShares US Real Estate ETF
IYR
$4.6B
| $6.82M | 0.01% |
70,200
+31,200
| +80% | +$3M |
|
1309
iShares Convertible Bond ETF
ICVT
$7.63B
| $6.81M | 0.01% |
68,100
+16,000
| +31% | +$1.5M |
|
|
CAI
1310
Caris Life Sciences
CAI
$6.15B
| $6.81M | 0.01% |
+225,100
| New | +$7.18M |
|
|
SOBO
1311
South Bow Corp
SOBO
$7.65B
| $6.77M | 0.01% |
239,180
+75,300
| +46% | +$2.05M |
|
1312
AST SpaceMobile
ASTS
$20.7B
| $6.76M | 0.01% |
+137,700
| New | +$6.64M |
|
|
HBI
1313
DELISTED
Hanesbrands
HBI
| $6.76M | 0.01% |
1,025,400
-331,000
| -24% | -$1.83M |
|
1314
Preferred Bank
PFBC
$1.28B
| $6.74M | 0.01% |
74,555
-2,100
| -3% | -$195K |
|
1315
STRATTEC Security
STRT
$340M
| $6.73M | 0.01% |
98,906
-31,900
| -24% | -$2.14M |
|
1316
OneMain Financial
OMF
$7.56B
| $6.68M | 0.01% |
118,300
+74,300
| +169% | +$4.39M |
|
1317
Shore Bancshares
SHBI
$803M
| $6.67M | 0.01% |
406,415
+100
| +0% | +$1.65K |
|
1318
Vir Biotechnology
VIR
$1.52B
| $6.66M | 0.01% |
1,167,100
+102,600
| +10% | +$525K |
|
1319
Associated Banc-Corp
ASB
$6.1B
| $6.66M | 0.01% |
259,031
+33,300
| +15% | +$854K |
|
|
WCN
1320
Waste Connections
WCN
$41.9B
| $6.66M | 0.01% |
+37,861
| New | +$6.89M |
|
1321
York Water
YORW
$537M
| $6.65M | 0.01% |
218,736
+94,200
| +76% | +$2.92M |
|
|
NAGE
1322
Niagen Bioscience
NAGE
$241M
| $6.65M | 0.01% |
713,000
+223,400
| +46% | +$2.26M |
|
1323
J. Jill
JILL
$279M
| $6.65M | 0.01% |
387,800
-14,500
| -4% | -$239K |
|
1324
iShares Core Dividend Growth ETF
DGRO
$43.8B
| $6.64M | 0.01% |
97,600
+81,400
| +502% | +$5.38M |
|
1325
Sphere Entertainment
SPHR
$6.22B
| $6.63M | 0.01% |
+106,735
| New | +$5.04M |
|
Similar funds
Jim Simons's Q3 2025 Portfolio in Review
As of Q3 2025, Jim Simons held 4,038 positions worth $75.8B, up 0.77% from $75.2B the previous quarter. Its ten largest holdings account for 11% of the portfolio.
Jim Simons withdrew a net $5.41B in Q3 2025, closing 581 positions and reducing 1,457 holdings. Its most notable exit was GE Aerospace, an estimated $235M position sold in full.
By sector, the portfolio is most concentrated in Technology at 22% of assets, up from 20% a quarter earlier, followed by Healthcare and Consumer Discretionary.
Against the trend, Jim Simons opened a new position in Alphabet (Google) Class C worth $419M.
- Jim Simons's largest Q3 2025 buy was Alphabet (Google) Class C: 1,720,002 shares worth $419M.
- Jim Simons added most to Alphabet (Google) Class A in Q3 2025, an estimated $546M increase.
- Jim Simons's biggest Q3 2025 reduction was Robinhood, cutting an estimated $1.04B.
- Jim Simons fully exited GE Aerospace in Q3 2025, selling an estimated $235M.
- Jim Simons's ten largest holdings make up 11% of its $75.8B portfolio in Q3 2025.
- Jim Simons opened 516 new positions and closed 581 in Q3 2025.
- Jim Simons's portfolio value rose 0.77% quarter-over-quarter to $75.8B.
Based on Renaissance Technologies's 13F filing for Q3 2025, filed 13 Nov 2025.