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 | |
|---|---|---|---|---|---|---|
1476
Real Brokerage
REAX
$523M
| $5.39M | 0.01% |
1,195,910
+348,810
| +41% | +$1.5M |
|
1477
Consensus Cloud Solutions
CCSI
$717M
| $5.37M | 0.01% |
232,900
+56,200
| +32% | +$1.21M |
|
1478
Vir Biotechnology
VIR
$1.52B
| $5.37M | 0.01% |
1,064,500
-55,900
| -5% | -$300K |
|
1479
Avista
AVA
$3.24B
| $5.36M | 0.01% |
141,300
+36,600
| +35% | +$1.44M |
|
1480
Gentherm
THRM
$1.32B
| $5.36M | 0.01% |
189,464
+125,400
| +196% | +$3.33M |
|
1481
Advance Auto Parts
AAP
$3.46B
| $5.36M | 0.01% |
+115,250
| New | +$4.62M |
|
1482
Columbia Banking Systems
COLB
$9.18B
| $5.36M | 0.01% |
229,096
-142,600
| -38% | -$3.31M |
|
|
DMC
1483
Del Monte Corp
DMC
$1.44B
| $5.35M | 0.01% |
165,000
-100,300
| -38% | -$3.3M |
|
1484
StoneX
SNEX
$8.05B
| $5.35M | 0.01% |
131,996
-10,926
| -8% | -$411K |
|
|
ODP
1485
DELISTED
ODP
ODP
| $5.34M | 0.01% |
+294,792
| New | +$4.62M |
|
1486
Allient
ALNT
$1.86B
| $5.34M | 0.01% |
147,072
+3,900
| +3% | +$108K |
|
1487
Cognyte Software
CGNT
$692M
| $5.34M | 0.01% |
577,711
-61,900
| -10% | -$609K |
|
1488
Reynolds Consumer Products
REYN
$5.55B
| $5.32M | 0.01% |
248,400
+31,100
| +14% | +$704K |
|
1489
West Pharmaceutical
WST
$24.4B
| $5.32M | 0.01% |
+24,300
| New | +$5.19M |
|
|
FPI
1490
Farmland Partners
FPI
$425M
| $5.31M | 0.01% |
461,000
+259,500
| +129% | +$2.78M |
|
1491
Cummins
CMI
$87B
| $5.31M | 0.01% |
16,200
-21,900
| -57% | -$6.78M |
|
1492
MannKind Corp
MNKD
$1.2B
| $5.28M | 0.01% |
1,412,942
-236,803
| -14% | -$1.04M |
|
1493
Dolby
DLB
$5.84B
| $5.24M | 0.01% |
70,600
+66,600
| +1,665% | +$4.99M |
|
1494
Under Armour Class C
UA
$2.25B
| $5.24M | 0.01% |
807,300
-1,401,400
| -63% | -$8.27M |
|
1495
Bioventus
BVS
$1.17B
| $5.24M | 0.01% |
790,818
+237,318
| +43% | +$1.68M |
|
1496
Orthofix Medical
OFIX
$415M
| $5.23M | 0.01% |
469,201
+377,211
| +410% | +$4.67M |
|
1497
Arcosa
ACA
$7.12B
| $5.23M | 0.01% |
60,300
-2,400
| -4% | -$201K |
|
|
IAUX
1498
i-80 Gold Corp
IAUX
$1.43B
| $5.22M | 0.01% |
8,723,031
+4,671,834
| +115% | +$2.75M |
|
1499
Relay Therapeutics
RLAY
$4.37B
| $5.22M | 0.01% |
1,508,210
-767,900
| -34% | -$2.28M |
|
1500
NEOS S&P 500 High Income ETF
SPYI
$11.4B
| $5.22M | 0.01% |
103,700
+77,100
| +290% | +$3.71M |
|
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.