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 |
NVIDIA
NVDA
|
+$798M |
| 2 |
Netflix
NFLX
|
+$608M |
| 3 |
UnitedHealth
UNH
|
+$517M |
| 4 |
Apple
AAPL
|
+$461M |
| 5 |
GE Vernova
GEV
|
+$296M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Broadcom
AVGO
|
+$527M |
| 2 |
Alphabet (Google) Class A
GOOGL
|
+$372M |
| 3 |
Meta Platforms (Facebook)
META
|
+$362M |
| 4 |
Advanced Micro Devices
AMD
|
+$328M |
| 5 |
Palantir
PLTR
|
+$327M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 19.57% |
| 2 | Healthcare | 15.8% |
| 3 | Consumer Discretionary | 12.38% |
| 4 | Financials | 11.53% |
| 5 | Industrials | 8.92% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
1401
Frequency Electronics
FEIM
$856M
| $6.02M | 0.01% |
265,061
-52,500
| -17% | -$973K |
|
1402
Winnebago Industries
WGO
$921M
| $6.01M | 0.01% |
207,300
+138,300
| +200% | +$4.53M |
|
1403
Southern Missouri Bancorp
SMBC
$850M
| $6.01M | 0.01% |
109,634
+9,800
| +10% | +$512K |
|
|
ITOS
1404
DELISTED
iTeos Therapeutics
ITOS
| $6M | 0.01% |
602,100
-43,500
| -7% | -$350K |
|
1405
Adtran
ADTN
$658M
| $6M | 0.01% |
668,840
-149,289
| -18% | -$1.19M |
|
1406
Stratasys
SSYS
$779M
| $6M | 0.01% |
523,032
+16,800
| +3% | +$170K |
|
1407
Novanta
NOVT
$6.33B
| $5.98M | 0.01% |
46,400
+43,400
| +1,447% | +$5.28M |
|
1408
Sable Offshore Corp
SOC
$773M
| $5.98M | 0.01% |
272,000
+244,300
| +882% | +$5.68M |
|
1409
Conduent
CNDT
$252M
| $5.97M | 0.01% |
2,262,700
-376,765
| -14% | -$885K |
|
1410
Citigroup
C
$233B
| $5.97M | 0.01% |
70,119
-551,354
| -89% | -$39.9M |
|
1411
Dime Commercial Bancshares
DCOM
$1.82B
| $5.96M | 0.01% |
221,415
+27,360
| +14% | +$716K |
|
1412
dLocal
DLO
$4.34B
| $5.96M | 0.01% |
526,000
+201,989
| +62% | +$1.99M |
|
1413
VanEck Intermediate Muni ETF
ITM
$2.14B
| $5.94M | 0.01% |
130,700
+34,400
| +36% | +$1.55M |
|
|
BOW
1414
Bowhead Specialty Holdings
BOW
$1.1B
| $5.94M | 0.01% |
158,300
+7,000
| +5% | +$268K |
|
1415
Steris
STE
$23B
| $5.94M | 0.01% |
+24,708
| New | +$5.75M |
|
1416
ATN International
ATNI
$491M
| $5.91M | 0.01% |
363,832
-3,900
| -1% | -$63.5K |
|
1417
iShares MSCI USA Momentum Factor ETF
MTUM
$26.1B
| $5.91M | 0.01% |
+24,600
| New | +$5.37M |
|
1418
Flexsteel Industries
FLXS
$303M
| $5.91M | 0.01% |
164,073
-12,227
| -7% | -$404K |
|
1419
Trimble
TRMB
$13.4B
| $5.91M | 0.01% |
77,744
-335,600
| -81% | -$22.5M |
|
1420
iShares Intermediate Government/Credit Bond ETF
GVI
$3.8B
| $5.91M | 0.01% |
55,300
+2,500
| +5% | +$264K |
|
1421
Ameris Bancorp
ABCB
$6B
| $5.9M | 0.01% |
91,169
+60,600
| +198% | +$3.59M |
|
1422
J. Jill
JILL
$283M
| $5.89M | 0.01% |
402,300
-13,200
| -3% | -$209K |
|
1423
ARK 21Shares Bitcoin ETF
ARKB
$2.41B
| $5.86M | 0.01% |
+163,800
| New | +$5.37M |
|
1424
AnaptysBio
ANAB
$1.66B
| $5.84M | 0.01% |
263,086
-75,614
| -22% | -$1.58M |
|
1425
CDW
CDW
$17.8B
| $5.84M | 0.01% |
+32,698
| New | +$5.55M |
|
Similar funds
Jim Simons's Q2 2025 Portfolio in Review
As of Q2 2025, Jim Simons held 4,018 positions worth $75.2B, up 14% from $66.1B the previous quarter. Its ten largest holdings account for 12% of the portfolio.
Jim Simons's Q2 2025 filing shows 612 new, 1,577 increased, 1,314 reduced and 496 closed positions. Its largest new stake was UnitedHealth: 1,352,129 shares worth $422M. The largest sale was Broadcom, an estimated $527M.
By sector, the portfolio is most concentrated in Technology at 20% of assets, up from 17% a quarter earlier, followed by Healthcare and Consumer Discretionary.
- Jim Simons's largest Q2 2025 buy was UnitedHealth: 1,352,129 shares worth $422M.
- Jim Simons added most to NVIDIA in Q2 2025, an estimated $798M increase.
- Jim Simons's biggest Q2 2025 reduction was Broadcom, cutting an estimated $527M.
- Jim Simons fully exited Advanced Micro Devices in Q2 2025, selling an estimated $328M.
- Jim Simons's ten largest holdings make up 12% of its $75.2B portfolio in Q2 2025.
- Jim Simons opened 612 new positions and closed 496 in Q2 2025.
- Jim Simons's portfolio value rose 14% quarter-over-quarter to $75.2B.
Based on Renaissance Technologies's 13F filing for Q2 2025, filed 13 Aug 2025.