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 | |
|---|---|---|---|---|---|---|
3226
Oriental Culture Holding
OCG
$3.24M
| $152K | ﹤0.01% |
38
+8
| +27% | +$26.7K |
|
|
WIMI
3227
WiMi Hologram Cloud
WIMI
$23.9M
| $151K | ﹤0.01% |
54,691
+1,341
| +3% | +$5.57K |
|
3228
GEE Group
JOB
$22.2M
| $150K | ﹤0.01% |
761,541
+8,800
| +1% | +$1.69K |
|
3229
First Guaranty Bancshares
FGBI
$139M
| $150K | ﹤0.01% |
18,206
-2,100
| -10% | -$18.6K |
|
3230
Cytosorbents Corp
CTSO
$23.3M
| $149K | ﹤0.01% |
116,639
-108,615
| -48% | -$109K |
|
3231
LG Display
LPL
$3.37B
| $149K | ﹤0.01% |
+43,600
| New | +$135K |
|
3232
Exagen
XGN
$160M
| $147K | ﹤0.01% |
21,000
-115,800
| -85% | -$704K |
|
|
LITB
3233
LightInTheBox
LITB
$56.7M
| $146K | ﹤0.01% |
127,533
-2,200
| -2% | -$3.15K |
|
|
SATX
3234
DELISTED
SatixFy Communications
SATX
| $145K | ﹤0.01% |
49,600
-134,300
| -73% | -$325K |
|
|
TOUR
3235
Tuniu
TOUR
$55.4M
| $145K | ﹤0.01% |
17,193
| – | – |
|
|
IRD
3236
Opus Genetics
IRD
$313M
| $144K | ﹤0.01% |
153,309
+29,600
| +24% | +$27.4K |
|
3237
Gogoro
GGR
$49.4M
| $142K | ﹤0.01% |
24,960
+3,905
| +19% | +$20.3K |
|
3238
Research Frontiers
REFR
$16.8M
| $142K | ﹤0.01% |
86,700
-13,800
| -14% | -$20.3K |
|
3239
NexGel
NXGL
$4.51M
| $141K | ﹤0.01% |
54,831
-26,800
| -33% | -$66.9K |
|
3240
UNIFI
UFI
$127M
| $141K | ﹤0.01% |
27,000
+900
| +3% | +$4.43K |
|
|
CNTB
3241
Connect Biopharma Holdings
CNTB
$147M
| $141K | ﹤0.01% |
143,700
+28,900
| +25% | +$23K |
|
3242
SurgePays
SURG
$6.2M
| $141K | ﹤0.01% |
45,200
-13,800
| -23% | -$38.2K |
|
3243
PDS Biotechnology
PDSB
$13M
| $141K | ﹤0.01% |
+105,687
| New | +$144K |
|
|
UCL
3244
uCloudlink Group
UCL
$28.6M
| $140K | ﹤0.01% |
72,405
-31,600
| -30% | -$44.1K |
|
3245
Alset
AEI
$43.6M
| $139K | ﹤0.01% |
106,766
+100
| +0.1% | +$91 |
|
3246
The Beachbody Company
BODI
$46.6M
| $138K | ﹤0.01% |
33,564
+1,700
| +5% | +$7.26K |
|
3247
Noodles & Co
NDLS
$98M
| $138K | ﹤0.01% |
24,169
+20,069
| +489% | +$140K |
|
3248
Fathom Holdings
FTHM
$23.1M
| $136K | ﹤0.01% |
109,500
+5,479
| +5% | +$5.43K |
|
3249
Pluri
PLUR
$17.5M
| $136K | ﹤0.01% |
27,420
-3,505
| -11% | -$16.2K |
|
|
LNKB
3250
DELISTED
LINKBANCORP
LNKB
| $135K | ﹤0.01% |
+18,400
| New | +$126K |
|
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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.