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 | |
|---|---|---|---|---|---|---|
1451
Diodes
DIOD
$4.68B
| $5.36M | 0.01% |
100,651
-2,700
| -3% | -$145K |
|
1452
DHI Group
DHX
$170M
| $5.35M | 0.01% |
1,924,929
-24,100
| -1% | -$66.7K |
|
1453
Relay Therapeutics
RLAY
$4.32B
| $5.34M | 0.01% |
1,023,110
-485,100
| -32% | -$1.85M |
|
1454
Photronics
PLAB
$1.94B
| $5.33M | 0.01% |
232,293
+2,523
| +1% | +$54K |
|
1455
Unisys
UIS
$206M
| $5.33M | 0.01% |
1,365,580
+259,047
| +23% | +$1.05M |
|
1456
Electromed
ELMD
$344M
| $5.32M | 0.01% |
216,904
+14,700
| +7% | +$312K |
|
1457
Assured Guaranty
AGO
$3.36B
| $5.32M | 0.01% |
62,900
-57,100
| -48% | -$4.74M |
|
|
HONE
1458
DELISTED
HarborOne Bancorp
HONE
| $5.31M | 0.01% |
390,800
+12,500
| +3% | +$156K |
|
1459
Northrim BanCorp
NRIM
$604M
| $5.31M | 0.01% |
245,150
+132,350
| +117% | +$3M |
|
|
ELP
1460
DELISTED
Companhia Paranaense de Energia (COPEL)
ELP
| $5.31M | 0.01% |
541,600
+159,882
| +42% | +$1.44M |
|
1461
Yeti Holdings
YETI
$3.36B
| $5.28M | 0.01% |
159,200
+9,900
| +7% | +$346K |
|
1462
Invesco KBW Bank ETF
KBWB
$6.86B
| $5.26M | 0.01% |
67,300
+12,700
| +23% | +$957K |
|
1463
Willdan Group
WLDN
$1.31B
| $5.26M | 0.01% |
54,400
-53,200
| -49% | -$5.04M |
|
1464
eGain
EGAN
$204M
| $5.26M | 0.01% |
603,519
-2,600
| -0.4% | -$18.1K |
|
1465
Cricut
CRCT
$1.22B
| $5.25M | 0.01% |
835,443
+96,300
| +13% | +$564K |
|
1466
State Street SPDR Bloomberg High Yield Bond ETF
JNK
$7.32B
| $5.25M | 0.01% |
53,600
-674,200
| -93% | -$65.5M |
|
1467
Bankwell Financial Group
BWFG
$543M
| $5.24M | 0.01% |
118,348
-13,200
| -10% | -$542K |
|
1468
Kulicke & Soffa
KLIC
$5.07B
| $5.24M | 0.01% |
128,828
+37,100
| +40% | +$1.37M |
|
1469
Capital Group US Multi-Sector Income ETF
CGMS
$5.41B
| $5.24M | 0.01% |
188,655
+11,555
| +7% | +$320K |
|
|
EB
1470
DELISTED
Eventbrite
EB
| $5.23M | 0.01% |
2,076,096
+344,100
| +20% | +$899K |
|
1471
Telos
TLS
$339M
| $5.21M | 0.01% |
761,800
-24,603
| -3% | -$118K |
|
1472
Hawaiian Electric Industries
HE
$2.05B
| $5.2M | 0.01% |
470,700
-215,800
| -31% | -$2.46M |
|
1473
Immunocore
IMCR
$1.73B
| $5.19M | 0.01% |
142,770
-79,282
| -36% | -$2.69M |
|
1474
ATN International
ATNI
$489M
| $5.18M | 0.01% |
346,032
-17,800
| -5% | -$294K |
|
1475
Chefs' Warehouse
CHEF
$4.52B
| $5.18M | 0.01% |
88,771
-136,400
| -61% | -$8.69M |
|
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.