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 | |
|---|---|---|---|---|---|---|
3251
HighPeak Energy
HPK
$912M
| $134K | ﹤0.01% |
+13,700
| New | +$135K |
|
3252
Gray Media Inc
GTN.A
$612M
| $132K | ﹤0.01% |
12,200
-900
| -7% | -$7.21K |
|
3253
Helix Energy Solutions
HLX
$1.49B
| $132K | ﹤0.01% |
21,200
-304,527
| -93% | -$2.02M |
|
|
IGMS
3254
DELISTED
IGM Biosciences
IGMS
| $132K | ﹤0.01% |
117,734
+82,434
| +234% | +$101K |
|
3255
Vince Holding Corp
VNCE
$77.6M
| $131K | ﹤0.01% |
91,250
-4,400
| -5% | -$7.06K |
|
3256
Surrozen
SRZN
$284M
| $131K | ﹤0.01% |
14,626
+400
| +3% | +$3.66K |
|
3257
Atara Biotherapeutics
ATRA
$83.1M
| $131K | ﹤0.01% |
16,936
-500
| -3% | -$3.65K |
|
3258
TELA Bio
TELA
$30.4M
| $131K | ﹤0.01% |
67,333
-177,111
| -72% | -$232K |
|
3259
BARK
BARK
$96.3M
| $129K | ﹤0.01% |
7,356
-18,690
| -72% | -$429K |
|
|
CARM
3260
DELISTED
Carisma Therapeutics
CARM
| $129K | ﹤0.01% |
329,286
+75,629
| +30% | +$20.2K |
|
3261
Peraso
PRSO
$10.3M
| $129K | ﹤0.01% |
+118,194
| New | +$109K |
|
3262
Taysha Gene Therapies
TSHA
$1.92B
| $127K | ﹤0.01% |
+54,900
| New | +$119K |
|
3263
Metalpha Technology Holding
MATH
$41.4M
| $127K | ﹤0.01% |
39,600
-100
| -0.3% | -$251 |
|
|
WAVE
3264
Eco Wave Power Global
WAVE
$45.2M
| $126K | ﹤0.01% |
+20,500
| New | +$123K |
|
3265
National CineMedia
NCMI
$252M
| $124K | ﹤0.01% |
25,600
-115,200
| -82% | -$625K |
|
3266
Green Dot
GDOT
$766M
| $124K | ﹤0.01% |
+11,500
| New | +$104K |
|
3267
Alliance Entertainment
AENT
$290M
| $124K | ﹤0.01% |
32,800
+16,000
| +95% | +$48.1K |
|
|
MODV
3268
DELISTED
ModivCare
MODV
| $124K | ﹤0.01% |
39,599
-162,100
| -80% | -$298K |
|
3269
Asia Pacific Wire & Cable
APWC
$61.8M
| $123K | ﹤0.01% |
72,300
| – | – |
|
3270
Stran & Co
SWAG
$37.1M
| $123K | ﹤0.01% |
85,331
-900
| -1% | -$1.06K |
|
|
QVCGA
3271
DELISTED
QVC Group Inc Series A
QVCGA
| $122K | ﹤0.01% |
44,531
+6,086
| +16% | +$35K |
|
|
BOLD
3272
Boundless Bio
BOLD
$63.2M
| $122K | ﹤0.01% |
121,000
+106,600
| +740% | +$142K |
|
3273
Entera Bio
ENTX
$138M
| $122K | ﹤0.01% |
64,300
+1,000
| +2% | +$1.98K |
|
3274
Primech Holdings
PMEC
$16.5M
| $122K | ﹤0.01% |
+87,100
| New | +$94.5K |
|
3275
PEDEVCO
PED
$150M
| $122K | ﹤0.01% |
9,299
-2,415
| -21% | -$29.6K |
|
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.