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 | |
|---|---|---|---|---|---|---|
2301
Old Second Bancorp
OSBC
$1.31B
| $1.47M | ﹤0.01% |
82,725
-69,200
| -46% | -$1.13M |
|
|
XYF
2302
X Financial
XYF
$208M
| $1.47M | ﹤0.01% |
83,975
-200
| -0.2% | -$3.06K |
|
2303
Alamo Group
ALG
$2.03B
| $1.46M | ﹤0.01% |
6,700
+3,900
| +139% | +$744K |
|
2304
Global X MSCI Argentina ETF
ARGT
$811M
| $1.46M | ﹤0.01% |
+17,239
| New | +$1.49M |
|
2305
JPMorgan Municipal ETF
JMUB
$8.52B
| $1.46M | ﹤0.01% |
29,400
-82,091
| -74% | -$4.06M |
|
2306
ProPetro Holding
PUMP
$1.46B
| $1.45M | ﹤0.01% |
+243,033
| New | +$1.39M |
|
2307
KeyCorp
KEY
$24.9B
| $1.45M | ﹤0.01% |
+83,251
| New | +$1.29M |
|
|
OPOF
2308
DELISTED
Old Point Financial
OPOF
| $1.45M | ﹤0.01% |
36,929
+4,100
| +12% | +$159K |
|
2309
Blue Ridge Bankshares
BRBS
$333M
| $1.44M | ﹤0.01% |
402,000
-35,800
| -8% | -$121K |
|
2310
Neuropace
NPCE
$503M
| $1.44M | ﹤0.01% |
129,117
-26,683
| -17% | -$334K |
|
2311
Karat Packaging
KRT
$919M
| $1.43M | ﹤0.01% |
50,615
+6,700
| +15% | +$187K |
|
2312
Princeton Bancorp
BPRN
$297M
| $1.42M | ﹤0.01% |
46,623
-1,800
| -4% | -$54.4K |
|
2313
Replimune Group
REPL
$1.43B
| $1.42M | ﹤0.01% |
153,089
-3,147
| -2% | -$27.5K |
|
2314
Alarm.com
ALRM
$2.72B
| $1.42M | ﹤0.01% |
25,100
+900
| +4% | +$49.9K |
|
2315
Schwab Fundamental US Large Company Index ETF
FNDX
$27.6B
| $1.42M | ﹤0.01% |
57,800
+48,900
| +549% | +$1.14M |
|
2316
NetSol Technologies
NTWK
$49.5M
| $1.42M | ﹤0.01% |
455,401
-13,100
| -3% | -$34.5K |
|
2317
Vail Resorts
MTN
$5.22B
| $1.41M | ﹤0.01% |
+9,000
| New | +$1.34M |
|
2318
Constellium
CSTM
$4B
| $1.41M | ﹤0.01% |
106,100
-71,278
| -40% | -$800K |
|
|
NUTX
2319
Nutex Health
NUTX
$1.32B
| $1.41M | ﹤0.01% |
+11,300
| New | +$1.46M |
|
2320
New Horizon Aircraft
HOVR
$133M
| $1.4M | ﹤0.01% |
+821,600
| New | +$721K |
|
2321
Twin Disc
TWIN
$357M
| $1.4M | ﹤0.01% |
158,708
+55,615
| +54% | +$411K |
|
2322
State Street SPDR Portfolio S&P 400 Mid Cap ETF
SPMD
$19.1B
| $1.39M | ﹤0.01% |
25,600
+20,200
| +374% | +$1.04M |
|
|
UROY
2323
Uranium Royalty Corp
UROY
$1.57B
| $1.39M | ﹤0.01% |
554,200
-278,421
| -33% | -$563K |
|
2324
Investar Holding Corp
ISTR
$426M
| $1.38M | ﹤0.01% |
71,675
+7,500
| +12% | +$138K |
|
2325
Resources Connection
RGP
$146M
| $1.38M | ﹤0.01% |
257,142
+83,142
| +48% | +$451K |
|
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.