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 | |
|---|---|---|---|---|---|---|
2851
Enliven Therapeutics
ELVN
$4.24B
| $479K | ﹤0.01% |
23,900
+12,000
| +101% | +$227K |
|
2852
Portland General Electric
POR
$5.96B
| $479K | ﹤0.01% |
11,800
-197,819
| -94% | -$8.3M |
|
2853
JPMorgan BetaBuilders Europe ETF
BBEU
$9.52B
| $479K | ﹤0.01% |
7,100
-11,000
| -61% | -$711K |
|
2854
Superior Group of Companies
SGC
$206M
| $478K | ﹤0.01% |
46,400
+1,300
| +3% | +$13.2K |
|
|
RPT
2855
Rithm Property Trust
RPT
$103M
| $477K | ﹤0.01% |
29,461
+3,503
| +13% | +$57K |
|
2856
Invesco S&P SmallCap Momentum ETF
XSMO
$3.12B
| $476K | ﹤0.01% |
+7,000
| New | +$446K |
|
2857
Invesco Solar ETF
TAN
$1.37B
| $475K | ﹤0.01% |
+13,874
| New | +$436K |
|
2858
Assurant
AIZ
$13.9B
| $474K | ﹤0.01% |
2,400
-22,141
| -90% | -$4.35M |
|
2859
Global X Robotics & Artificial Intelligence ETF
BOTZ
$3.58B
| $473K | ﹤0.01% |
+14,500
| New | +$430K |
|
|
SVC
2860
Service Properties Trust
SVC
$1.06B
| $473K | ﹤0.01% |
39,600
-103,460
| -72% | -$1.12M |
|
2861
ProShares Ultra Bitcoin ETF
BITU
$335M
| $471K | ﹤0.01% |
+9,100
| New | +$414K |
|
2862
Prelude Therapeutics
PRLD
$442M
| $471K | ﹤0.01% |
581,800
-74,900
| -11% | -$64.9K |
|
2863
Ohio Valley Banc Corp
OVBC
$216M
| $470K | ﹤0.01% |
14,575
+800
| +6% | +$26.5K |
|
2864
Vanguard Russell 1000 Growth ETF
VONG
$46B
| $470K | ﹤0.01% |
+4,300
| New | +$423K |
|
|
ITRM
2865
DELISTED
Iterum Therapeutics
ITRM
| $470K | ﹤0.01% |
471,900
+231,000
| +96% | +$241K |
|
2866
Gen Digital
GEN
$17.3B
| $469K | ﹤0.01% |
+15,938
| New | +$436K |
|
2867
Perfect Corp
PERF
$190M
| $468K | ﹤0.01% |
203,695
-34,405
| -14% | -$63.5K |
|
|
KG
2868
Kestrel Group
KG
$60.5M
| $468K | ﹤0.01% |
17,648
-1,823
| -9% | -$42.2K |
|
2869
Calumet Specialty Products
CLMT
$4.24B
| $466K | ﹤0.01% |
+29,600
| New | +$376K |
|
2870
Tenable Holdings
TENB
$4.25B
| $466K | ﹤0.01% |
+13,800
| New | +$448K |
|
2871
Direxion Daily TSLA Bear 1X ETF
TSLS
$74.5M
| $465K | ﹤0.01% |
+5,930
| New | +$528K |
|
|
BNT
2872
Brookfield Wealth Solutions
BNT
$11.9B
| $463K | ﹤0.01% |
11,250
-2,100
| -16% | -$77.8K |
|
2873
Spyre Therapeutics
SYRE
$8.93B
| $463K | ﹤0.01% |
+30,936
| New | +$458K |
|
2874
Value Line
VALU
$347M
| $462K | ﹤0.01% |
11,800
+600
| +5% | +$23.5K |
|
2875
KB Home
KBH
$3.43B
| $461K | ﹤0.01% |
8,700
-325,800
| -97% | -$17.3M |
|
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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.