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 | |
|---|---|---|---|---|---|---|
2276
Airgain
AIRG
$69M
| $1.53M | ﹤0.01% |
366,736
-23,900
| -6% | -$94.1K |
|
2277
Vermilion Energy
VET
$1.74B
| $1.53M | ﹤0.01% |
210,500
+76,900
| +58% | +$525K |
|
2278
Schwab US TIPS ETF
SCHP
$16.2B
| $1.53M | ﹤0.01% |
57,400
-117,800
| -67% | -$3.12M |
|
2279
Everspin Technologies
MRAM
$437M
| $1.53M | ﹤0.01% |
243,267
+5,800
| +2% | +$32.8K |
|
2280
Malibu Boats
MBUU
$568M
| $1.53M | ﹤0.01% |
48,700
+12,500
| +35% | +$376K |
|
|
API
2281
Agora
API
$384M
| $1.52M | ﹤0.01% |
399,100
-56,300
| -12% | -$196K |
|
2282
AGF US Market Neutral Anti-Beta Fund
BTAL
$296M
| $1.52M | ﹤0.01% |
85,680
+27,949
| +48% | +$544K |
|
2283
Stoneridge
SRI
$206M
| $1.52M | ﹤0.01% |
215,300
+119,600
| +125% | +$586K |
|
|
HITI
2284
High Tide
HITI
$206M
| $1.52M | ﹤0.01% |
658,956
+130,656
| +25% | +$293K |
|
|
THRO
2285
iShares U.S. Thematic Rotation Active ETF
THRO
$6.79B
| $1.51M | ﹤0.01% |
+42,500
| New | +$1.4M |
|
|
PVLA
2286
Palvella Therapeutics
PVLA
$2.3B
| $1.51M | ﹤0.01% |
66,858
+51,600
| +338% | +$1.21M |
|
2287
Atossa Therapeutics
ATOS
$24.5M
| $1.5M | ﹤0.01% |
120,817
-2,856
| -2% | -$34.1K |
|
2288
United-Guardian
UG
$33.1M
| $1.5M | ﹤0.01% |
187,963
-1,000
| -0.5% | -$8.27K |
|
2289
IDEX
IEX
$17.6B
| $1.5M | ﹤0.01% |
+8,525
| New | +$1.51M |
|
|
USAS
2290
Americas Gold and Silver
USAS
$1.78B
| $1.49M | ﹤0.01% |
740,000
+116,097
| +19% | +$187K |
|
|
AKRO
2291
DELISTED
Akero Therapeutics
AKRO
| $1.49M | ﹤0.01% |
28,000
-171,000
| -86% | -$7.77M |
|
2292
Saga Communications
SGA
$62.4M
| $1.49M | ﹤0.01% |
114,644
-1,600
| -1% | -$19.2K |
|
2293
VictoryShares Free Cash Flow ETF
VFLO
$10.1B
| $1.48M | ﹤0.01% |
42,000
-103,700
| -71% | -$3.49M |
|
2294
PDF Solutions
PDFS
$2.15B
| $1.48M | ﹤0.01% |
69,300
+16,500
| +31% | +$312K |
|
2295
USCB Financial Holdings
USCB
$419M
| $1.48M | ﹤0.01% |
89,306
-6,536
| -7% | -$110K |
|
2296
Data I/O
DAIO
$33.2M
| $1.48M | ﹤0.01% |
476,343
-3,272
| -0.7% | -$8.24K |
|
2297
CAE Inc. Common Shares
CAE
$8.53B
| $1.48M | ﹤0.01% |
50,400
-31,700
| -39% | -$799K |
|
2298
Direxion Daily S&P Biotech Bull 3X ETF
LABU
$605M
| $1.47M | ﹤0.01% |
+25,900
| New | +$1.37M |
|
2299
Eagle Bancorp Montana
EBMT
$189M
| $1.47M | ﹤0.01% |
88,410
+9,661
| +12% | +$162K |
|
2300
Instil Bio
TIL
$50.9M
| $1.47M | ﹤0.01% |
70,655
-34,288
| -33% | -$717K |
|
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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.