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 | |
|---|---|---|---|---|---|---|
|
VBTX
1726
DELISTED
Veritex Holdings
VBTX
| $3.62M | ﹤0.01% |
138,723
+56,000
| +68% | +$1.33M |
|
|
ONL
1727
Orion Office REIT
ONL
$161M
| $3.62M | ﹤0.01% |
1,699,600
+102,240
| +6% | +$195K |
|
1728
Cytek Biosciences
CTKB
$636M
| $3.61M | ﹤0.01% |
1,063,139
+375,539
| +55% | +$1.25M |
|
1729
Triple Flag Precious Metals
TFPM
$6.45B
| $3.61M | ﹤0.01% |
152,300
+36,500
| +32% | +$800K |
|
|
AD
1730
Array Digital Infrastructure
AD
$3.09B
| $3.6M | ﹤0.01% |
56,297
+3,600
| +7% | +$229K |
|
1731
Washington Trust Bancorp
WASH
$767M
| $3.6M | ﹤0.01% |
127,328
+19,060
| +18% | +$531K |
|
1732
Aviat Networks
AVNW
$282M
| $3.59M | ﹤0.01% |
149,480
+42,300
| +39% | +$853K |
|
1733
Provident Financial
PROV
$113M
| $3.57M | ﹤0.01% |
230,447
-6,800
| -3% | -$102K |
|
1734
Chemours
CC
$2.3B
| $3.57M | ﹤0.01% |
311,845
+175,745
| +129% | +$1.98M |
|
1735
Accuray
ARAY
$32.9M
| $3.57M | ﹤0.01% |
2,604,384
-119,000
| -4% | -$176K |
|
1736
PROG Holdings
PRG
$1.7B
| $3.56M | ﹤0.01% |
121,284
-32,100
| -21% | -$892K |
|
1737
CNA Financial
CNA
$13.8B
| $3.56M | ﹤0.01% |
76,500
+42,200
| +123% | +$2M |
|
|
KWY
1738
Kingsway Corp
KWY
$283M
| $3.56M | ﹤0.01% |
262,715
| – | – |
|
1739
AGNC Investment
AGNC
$13B
| $3.56M | ﹤0.01% |
387,039
-3,198,090
| -89% | -$28.6M |
|
1740
Republic Bancorp
RBCAA
$1.92B
| $3.55M | ﹤0.01% |
48,600
+4,200
| +9% | +$287K |
|
1741
Enanta Pharmaceuticals
ENTA
$391M
| $3.55M | ﹤0.01% |
469,500
+5,900
| +1% | +$35.5K |
|
1742
Orion Group Holdings
ORN
$392M
| $3.54M | ﹤0.01% |
389,797
+150,700
| +63% | +$1.13M |
|
1743
abrdn Physical Silver Shares ETF
SIVR
$4.47B
| $3.53M | ﹤0.01% |
102,600
+25,400
| +33% | +$815K |
|
1744
RF Industries
RFIL
$144M
| $3.52M | ﹤0.01% |
544,808
+63,800
| +13% | +$272K |
|
|
AAMI
1745
Acadian Asset Management
AAMI
$3.31B
| $3.52M | ﹤0.01% |
99,928
+32,800
| +49% | +$953K |
|
1746
SouthState Bank Corp
SSB
$10.8B
| $3.52M | ﹤0.01% |
+38,259
| New | +$3.36M |
|
1747
Heartland Express
HTLD
$979M
| $3.51M | ﹤0.01% |
405,833
+375,033
| +1,218% | +$3.21M |
|
1748
Apollo Global Management
APO
$84.8B
| $3.5M | ﹤0.01% |
24,665
-607,900
| -96% | -$80.6M |
|
1749
Kforce
KFRC
$1.08B
| $3.49M | ﹤0.01% |
84,849
+34,900
| +70% | +$1.46M |
|
|
ELP
1750
DELISTED
Companhia Paranaense de Energia (COPEL)
ELP
| $3.49M | ﹤0.01% |
381,718
+216,918
| +132% | +$1.82M |
|
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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.