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 |
Apple
AAPL
|
+$800M |
| 2 |
NVIDIA
NVDA
|
+$304M |
| 3 |
Broadcom
AVGO
|
+$261M |
| 4 |
Linde
LIN
|
+$237M |
| 5 |
JPMorgan Chase
JPM
|
+$208M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Costco
COST
|
+$656M |
| 2 |
Netflix
NFLX
|
+$632M |
| 3 |
Tesla
TSLA
|
+$474M |
| 4 |
Procter & Gamble
PG
|
+$428M |
| 5 |
Micron Technology
MU
|
+$332M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 22.04% |
| 2 | Healthcare | 15.35% |
| 3 | Industrials | 11.13% |
| 4 | Consumer Discretionary | 10.88% |
| 5 | Financials | 10.52% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
1301
Ducommun
DCO
$3.04B
| $5.76M | 0.01% |
47,200
-42,500
| -47% | -$5.08M |
|
1302
International Seaways
INSW
$4.76B
| $5.75M | 0.01% |
78,950
-68,563
| -46% | -$4.39M |
|
1303
Gencor Industries
GENC
$265M
| $5.75M | 0.01% |
383,008
+39,034
| +11% | +$570K |
|
1304
Exponent
EXPO
$3.22B
| $5.74M | 0.01% |
+88,000
| New | +$6.25M |
|
1305
White Mountains Insurance
WTM
$5.05B
| $5.74M | 0.01% |
2,611
+1,110
| +74% | +$2.38M |
|
1306
Kingstone Companies
KINS
$284M
| $5.73M | 0.01% |
393,489
-12,400
| -3% | -$195K |
|
|
ITRG
1307
Integra Resources
ITRG
$545M
| $5.72M | 0.01% |
2,096,899
+1,556,199
| +288% | +$5.75M |
|
1308
Espey Mfg & Electronics Corp
ESP
$197M
| $5.72M | 0.01% |
103,212
-100
| -0.1% | -$5.46K |
|
1309
Vanguard Intermediate-Term Treasury ETF
VGIT
$42.5B
| $5.72M | 0.01% |
+96,000
| New | +$5.75M |
|
1310
JPMorgan Nasdaq Equity Premium Income ETF
JEPQ
$41.9B
| $5.7M | 0.01% |
+102,614
| New | +$5.93M |
|
1311
Genworth Financial
GNW
$3.82B
| $5.69M | 0.01% |
700,400
-1,531,900
| -69% | -$13M |
|
|
MNTN
1312
MNTN Inc
MNTN
$937M
| $5.69M | 0.01% |
646,217
+187,028
| +41% | +$1.87M |
|
1313
Worthington Steel
WS
$1.93B
| $5.66M | 0.01% |
186,438
+35,638
| +24% | +$1.38M |
|
1314
Parke Bancorp
PKBK
$407M
| $5.65M | 0.01% |
198,947
+100,400
| +102% | +$2.74M |
|
1315
Northeast Bank
NBN
$1.17B
| $5.65M | 0.01% |
50,245
-18,500
| -27% | -$2.09M |
|
1316
Home BancShares
HOMB
$6.28B
| $5.64M | 0.01% |
209,439
+149,100
| +247% | +$4.2M |
|
1317
Installed Building Products
IBP
$6.54B
| $5.64M | 0.01% |
21,260
+3,640
| +21% | +$1.09M |
|
1318
Afya
AFYA
$1.23B
| $5.64M | 0.01% |
379,000
-67,100
| -15% | -$973K |
|
1319
Reinsurance Group of America
RGA
$16.3B
| $5.63M | 0.01% |
+27,600
| New | +$5.71M |
|
|
BLSH
1320
Bullish
BLSH
$4.12B
| $5.6M | 0.01% |
156,833
+100,500
| +178% | +$3.52M |
|
1321
Diebold Nixdorf
DBD
$2.48B
| $5.57M | 0.01% |
73,800
-27,900
| -27% | -$2.05M |
|
1322
Bridgewater Bancshares
BWB
$619M
| $5.56M | 0.01% |
314,347
-12,100
| -4% | -$222K |
|
1323
NB Bancorp
NBBK
$1.01B
| $5.56M | 0.01% |
263,906
+12,632
| +5% | +$266K |
|
1324
OceanFirst Financial
OCFC
$1.88B
| $5.54M | 0.01% |
307,356
+164,313
| +115% | +$3.03M |
|
1325
Home Bancorp
HBCP
$571M
| $5.54M | 0.01% |
91,473
-7,600
| -8% | -$457K |
|
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Jim Simons's Q1 2026 Portfolio in Review
As of Q1 2026, Jim Simons held 3,809 positions worth $63.9B, down 0.82% from $64.5B the previous quarter. Its ten largest holdings account for 11% of the portfolio.
Jim Simons's Q1 2026 filing shows 624 new, 1,320 increased, 1,262 reduced and 596 closed positions. Its largest new stake was Apple: 3,075,638 shares worth $781M. The largest sale was Costco, an estimated $656M.
By sector, the portfolio is most concentrated in Technology at 22% of assets, up from 21% a quarter earlier, followed by Healthcare and Industrials.
- Jim Simons's largest Q1 2026 buy was Apple: 3,075,638 shares worth $781M.
- Jim Simons added most to NVIDIA in Q1 2026, an estimated $304M increase.
- Jim Simons's biggest Q1 2026 reduction was Costco, cutting an estimated $656M.
- Jim Simons fully exited Procter & Gamble in Q1 2026, selling an estimated $428M.
- Jim Simons's ten largest holdings make up 11% of its $63.9B portfolio in Q1 2026.
- Jim Simons opened 624 new positions and closed 596 in Q1 2026.
- Jim Simons's portfolio value fell 0.82% quarter-over-quarter to $63.9B.
Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.