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 | |
|---|---|---|---|---|---|---|
3176
Marti Technologies
MRT
$158M
| $195K | ﹤0.01% |
64,500
+45,412
| +238% | +$133K |
|
|
TBI
3177
Trueblue
TBI
$302M
| $194K | ﹤0.01% |
+29,900
| New | +$161K |
|
|
IOBT
3178
DELISTED
IO Biotech
IOBT
| $194K | ﹤0.01% |
139,300
+12,900
| +10% | +$14.8K |
|
3179
Rhinebeck Bancorp
RBKB
$200M
| $194K | ﹤0.01% |
+16,500
| New | +$183K |
|
|
SGRP
3180
DELISTED
SPAR Group
SGRP
| $193K | ﹤0.01% |
201,300
-6,285
| -3% | -$6.85K |
|
3181
Cabaletta Bio
CABA
$442M
| $192K | ﹤0.01% |
126,100
+115,200
| +1,057% | +$180K |
|
3182
Minerva Neurosciences
NERV
$187M
| $191K | ﹤0.01% |
111,000
-3,097
| -3% | -$5.06K |
|
|
APLS
3183
DELISTED
Apellis Pharmaceuticals
APLS
| $190K | ﹤0.01% |
+10,988
| New | +$203K |
|
3184
Enlivex Ltd
ENLV
$31M
| $189K | ﹤0.01% |
11,226
-860
| -7% | -$12.8K |
|
3185
Comstock
LODE
$265M
| $188K | ﹤0.01% |
49,508
-15,300
| -24% | -$42.6K |
|
3186
Cocrystal Pharma
COCP
$15.4M
| $186K | ﹤0.01% |
125,028
-600
| -0.5% | -$893 |
|
3187
Brilliant Earth
BRLT
$22.1M
| $185K | ﹤0.01% |
134,600
+1,800
| +1% | +$2.61K |
|
|
JBS
3188
JBS N.V.
JBS
$43.8B
| $181K | ﹤0.01% |
+12,538
| New | +$176K |
|
|
FGNX
3189
FG Nexus Inc
FGNX
$40.2M
| $180K | ﹤0.01% |
2,246
-60
| -3% | -$5.03K |
|
3190
Better Home & Finance Holding
BETR
$21.6M
| $179K | ﹤0.01% |
+14,452
| New | +$187K |
|
3191
Sportsman's Warehouse
SPWH
$46M
| $179K | ﹤0.01% |
51,800
-297,700
| -85% | -$667K |
|
3192
NSTS Bancorp
NSTS
$66.8M
| $178K | ﹤0.01% |
14,400
| – | – |
|
|
RAPP
3193
Rapport Therapeutics
RAPP
$2.29B
| $177K | ﹤0.01% |
+15,600
| New | +$166K |
|
|
ZENV
3194
DELISTED
Zenvia
ZENV
| $177K | ﹤0.01% |
118,201
-15,000
| -11% | -$22.2K |
|
3195
Metagenomi Therapeutics
MGX
$46.1M
| $176K | ﹤0.01% |
119,000
+19,400
| +19% | +$30.4K |
|
3196
Celcuity
CELC
$4.49B
| $175K | ﹤0.01% |
+13,100
| New | +$143K |
|
3197
Quantum-Si Incorporated
QSI
$172M
| $175K | ﹤0.01% |
89,200
-782,556
| -90% | -$1.16M |
|
3198
Dare Bioscience
DARE
$20.5M
| $172K | ﹤0.01% |
71,795
+1,200
| +2% | +$3.5K |
|
|
AHG
3199
Akso Health Group
AHG
$1.26B
| $170K | ﹤0.01% |
130,798
-14,400
| -10% | -$19.3K |
|
3200
Outlook Therapeutics
OTLK
$166M
| $170K | ﹤0.01% |
+106,068
| New | +$169K |
|
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.