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 | |
|---|---|---|---|---|---|---|
2351
Ampco-Pittsburgh
AP
$197M
| $1.33M | ﹤0.01% |
448,790
+16,071
| +4% | +$41.7K |
|
2352
Nerdy
NRDY
$92.5M
| $1.33M | ﹤0.01% |
814,665
+149,553
| +22% | +$239K |
|
2353
PVH
PVH
$3.76B
| $1.32M | ﹤0.01% |
+19,270
| New | +$1.4M |
|
|
OSG
2354
Octave Specialty Group
OSG
$215M
| $1.32M | ﹤0.01% |
186,100
+14,600
| +9% | +$109K |
|
2355
Zions Bancorporation
ZION
$10.5B
| $1.32M | ﹤0.01% |
25,395
+21,295
| +519% | +$999K |
|
|
LAC
2356
Lithium Americas
LAC
$1.26B
| $1.32M | ﹤0.01% |
+491,800
| New | +$1.36M |
|
2357
iShares US Healthcare ETF
IYH
$3.75B
| $1.32M | ﹤0.01% |
+23,300
| New | +$1.31M |
|
2358
CryoPort
CYRX
$762M
| $1.31M | ﹤0.01% |
176,212
+123,303
| +233% | +$765K |
|
2359
Senseonics Holdings Inc
SENS
$417M
| $1.31M | ﹤0.01% |
137,746
-98,582
| -42% | -$1.15M |
|
2360
Virtus Investment Partners
VRTS
$1.13B
| $1.31M | ﹤0.01% |
7,229
-4,500
| -38% | -$749K |
|
2361
State Street SPDR S&P Retail ETF
XRT
$640M
| $1.31M | ﹤0.01% |
17,000
-58,700
| -78% | -$4.26M |
|
2362
Nelnet
NNI
$4.55B
| $1.31M | ﹤0.01% |
10,800
+6,100
| +130% | +$681K |
|
2363
Werner Enterprises
WERN
$2.33B
| $1.31M | ﹤0.01% |
+47,763
| New | +$1.31M |
|
2364
Barnes & Noble Education
BNED
$419M
| $1.31M | ﹤0.01% |
+110,900
| New | +$1.18M |
|
|
SFBS
2365
ServisFirst Bancshares
SFBS
$5.02B
| $1.3M | ﹤0.01% |
16,800
+8,500
| +102% | +$628K |
|
2366
Cohu
COHU
$2.72B
| $1.3M | ﹤0.01% |
67,600
-3,254
| -5% | -$54.9K |
|
2367
Dimensional US Small Cap ETF
DFAS
$15.9B
| $1.3M | ﹤0.01% |
20,400
-4,600
| -18% | -$276K |
|
2368
Shenandoah Telecom
SHEN
$739M
| $1.3M | ﹤0.01% |
95,100
-128,100
| -57% | -$1.63M |
|
2369
NI Holdings
NODK
$326M
| $1.3M | ﹤0.01% |
101,691
+12,100
| +14% | +$156K |
|
2370
Tyra Biosciences
TYRA
$1.49B
| $1.29M | ﹤0.01% |
135,100
+83,700
| +163% | +$795K |
|
2371
Compass Diversified
CODI
$958M
| $1.29M | ﹤0.01% |
205,700
+27,400
| +15% | +$305K |
|
2372
Invesco FTSE RAFI US 1000 ETF
PRF
$10.1B
| $1.29M | ﹤0.01% |
30,500
-4,600
| -13% | -$184K |
|
2373
ECB Bancorp
ECBK
$182M
| $1.28M | ﹤0.01% |
83,127
+30,027
| +57% | +$472K |
|
2374
Aware
AWRE
$27M
| $1.28M | ﹤0.01% |
679,073
-24,500
| -3% | -$40.5K |
|
2375
Oppenheimer Holdings
OPY
$1.24B
| $1.28M | ﹤0.01% |
19,500
-1,600
| -8% | -$97.6K |
|
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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.