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 | |
|---|---|---|---|---|---|---|
1451
Blue Bird Corp
BLBD
$2.05B
| $5.61M | 0.01% |
129,936
-24,200
| -16% | -$921K |
|
1452
BlueLinx
BXC
$705M
| $5.59M | 0.01% |
75,200
+1,200
| +2% | +$83.9K |
|
1453
Vaalco Energy
EGY
$592M
| $5.59M | 0.01% |
1,547,597
-69,834
| -4% | -$243K |
|
1454
Tejon Ranch
TRC
$443M
| $5.59M | 0.01% |
329,348
+6,900
| +2% | +$114K |
|
1455
Acacia Research
ACTG
$449M
| $5.58M | 0.01% |
1,559,086
-19,214
| -1% | -$66.2K |
|
1456
Voya Financial
VOYA
$9.16B
| $5.58M | 0.01% |
78,600
-32,400
| -29% | -$2.08M |
|
1457
Anika Therapeutics
ANIK
$283M
| $5.58M | 0.01% |
527,217
-1,400
| -0.3% | -$17.7K |
|
1458
Heron Therapeutics
HRTX
$63.5M
| $5.57M | 0.01% |
2,689,339
+414,839
| +18% | +$847K |
|
|
ESSA
1459
DELISTED
ESSA Bancorp
ESSA
| $5.56M | 0.01% |
286,567
-2,700
| -0.9% | -$49.9K |
|
1460
Park Hotels & Resorts
PK
$3.03B
| $5.56M | 0.01% |
+543,152
| New | +$5.53M |
|
1461
RxSight
RXST
$292M
| $5.54M | 0.01% |
426,400
-25,200
| -6% | -$379K |
|
|
CGAU
1462
Centerra Gold
CGAU
$4.15B
| $5.53M | 0.01% |
767,200
-82,800
| -10% | -$566K |
|
1463
Associated Banc-Corp
ASB
$6.07B
| $5.51M | 0.01% |
225,731
+44,000
| +24% | +$991K |
|
|
NXRT
1464
NexPoint Residential Trust
NXRT
$636M
| $5.5M | 0.01% |
165,213
+6,700
| +4% | +$237K |
|
1465
Methanex
MEOH
$4.19B
| $5.49M | 0.01% |
165,826
-92,900
| -36% | -$3M |
|
|
DCH
1466
Dauch Corp
DCH
$1.6B
| $5.48M | 0.01% |
1,343,899
| – | – |
|
1467
Entravision Communication
EVC
$820M
| $5.48M | 0.01% |
2,362,450
-15,100
| -0.6% | -$30.5K |
|
1468
Diodes
DIOD
$4.48B
| $5.47M | 0.01% |
103,351
+82,800
| +403% | +$3.64M |
|
1469
Uranium Energy
UEC
$5.54B
| $5.47M | 0.01% |
803,737
-2,053,529
| -72% | -$11.5M |
|
1470
Pinnacle Financial Partners Inc
PNFP
$16.2B
| $5.44M | 0.01% |
49,296
+47,300
| +2,370% | +$4.88M |
|
1471
Cavco Industries
CVCO
$4.67B
| $5.43M | 0.01% |
12,509
+10,163
| +433% | +$4.76M |
|
1472
Friedman Industries
FRD
$319M
| $5.43M | 0.01% |
327,882
-3,984
| -1% | -$64.7K |
|
1473
Invesco Mortgage Capital
IVR
$805M
| $5.42M | 0.01% |
691,200
-45,500
| -6% | -$335K |
|
1474
C&F Financial
CFFI
$288M
| $5.42M | 0.01% |
87,781
+4,621
| +6% | +$295K |
|
1475
TAT Technologies
TATT
$525M
| $5.4M | 0.01% |
176,902
+3,100
| +2% | +$89.2K |
|
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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.