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 | |
|---|---|---|---|---|---|---|
3351
VerifyMe
VRME
$9.06M
| $69.3K | ﹤0.01% |
92,000
-58,100
| -39% | -$41.4K |
|
|
AIFA
3352
All In FutureTech Alliance Inc
AIFA
$18.6M
| $68.6K | ﹤0.01% |
4,417
+917
| +26% | +$10.7K |
|
|
KORE
3353
DELISTED
KORE Group Holdings
KORE
| $68.5K | ﹤0.01% |
28,641
+800
| +3% | +$1.93K |
|
|
FORA
3354
DELISTED
Forian
FORA
| $67K | ﹤0.01% |
34,200
-1,400
| -4% | -$2.83K |
|
3355
System1
SST
$17.8M
| $66.5K | ﹤0.01% |
12,020
+740
| +7% | +$3.28K |
|
3356
CS Disco
LAW
$297M
| $66.4K | ﹤0.01% |
+15,200
| New | +$59.6K |
|
3357
Genelux
GNLX
$118M
| $65.1K | ﹤0.01% |
22,700
+3,400
| +18% | +$8.98K |
|
3358
Ocean Power Technologies
OPTT
$55.4M
| $65.1K | ﹤0.01% |
+137,069
| New | +$65K |
|
|
IPM
3359
Intelligent Protection Management Corp
IPM
$24.4M
| $64.4K | ﹤0.01% |
34,100
+3,500
| +11% | +$6.72K |
|
3360
Amtech Systems
ASYS
$280M
| $64.4K | ﹤0.01% |
14,500
+1,800
| +14% | +$7.03K |
|
3361
SOPHiA GENETICS
SOPH
$649M
| $64.2K | ﹤0.01% |
20,700
+600
| +3% | +$1.79K |
|
3362
Energous
WATT
$82M
| $63.8K | ﹤0.01% |
+7,797
| New | +$64.7K |
|
|
ZEPP
3363
Zepp Health
ZEPP
$78.6M
| $63.4K | ﹤0.01% |
23,824
| – | – |
|
3364
Syntec Optics
OPTX
$352M
| $61.8K | ﹤0.01% |
+46,100
| New | +$65.4K |
|
3365
Beyond Air
XAIR
$6.14M
| $61.7K | ﹤0.01% |
896
+405
| +82% | +$33K |
|
3366
Immuneering
IMRX
$336M
| $61.3K | ﹤0.01% |
+18,200
| New | +$31.2K |
|
|
ELEV
3367
DELISTED
Elevation Oncology
ELEV
| $60.9K | ﹤0.01% |
165,829
-481,471
| -74% | -$161K |
|
3368
FingerMotion
FNGR
$16.9M
| $59.5K | ﹤0.01% |
+29,300
| New | +$71.9K |
|
3369
ReWalk Robotics
LFWD
$22.2M
| $59.3K | ﹤0.01% |
7,659
+1,017
| +15% | +$15.6K |
|
|
KYNB
3370
Kyntra Bio
KYNB
$28.5M
| $59.3K | ﹤0.01% |
11,181
-8,070
| -42% | -$58.9K |
|
|
WOW
3371
DELISTED
WideOpenWest
WOW
| $58.9K | ﹤0.01% |
+14,500
| New | +$62.2K |
|
3372
Oxbridge Re Holdings
OXBR
$10.5M
| $57.8K | ﹤0.01% |
33,222
+10,067
| +43% | +$16.8K |
|
3373
Jasper Therapeutics
JSPR
$28.7M
| $57.7K | ﹤0.01% |
+10,400
| New | +$51.2K |
|
3374
CalciMedica
CALC
$20.2M
| $57.6K | ﹤0.01% |
36,000
+584
| +2% | +$1K |
|
|
HOOK
3375
DELISTED
HOOKIPA Pharma
HOOK
| $57.2K | ﹤0.01% |
45,570
+4,600
| +11% | +$5.68K |
|
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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.