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 | |
|---|---|---|---|---|---|---|
1326
Timberland Bancorp
TSBK
$360M
| $6.69M | 0.01% |
214,389
-4,300
| -2% | -$131K |
|
1327
DXP Enterprises
DXPE
$3.02B
| $6.69M | 0.01% |
76,300
-9,300
| -11% | -$775K |
|
1328
Taboola.com
TBLA
$1.05B
| $6.67M | 0.01% |
1,823,700
+697,800
| +62% | +$2.28M |
|
1329
Telephone and Data Systems
TDS
$3.98B
| $6.67M | 0.01% |
187,463
-19,900
| -10% | -$698K |
|
1330
PIMCO Multi Sector Bond Active ETF
PYLD
$15.2B
| $6.66M | 0.01% |
251,008
-579,088
| -70% | -$15.1M |
|
1331
Crawford & Co Class B
CRD.B
$583M
| $6.64M | 0.01% |
635,699
-11,411
| -2% | -$117K |
|
1332
Preferred Bank
PFBC
$1.27B
| $6.63M | 0.01% |
76,655
-8,700
| -10% | -$717K |
|
|
TGI
1333
DELISTED
Triumph Group
TGI
| $6.63M | 0.01% |
+257,300
| New | +$6.56M |
|
|
DRD
1334
DRDGold
DRD
$2.06B
| $6.62M | 0.01% |
496,513
-54,900
| -10% | -$812K |
|
1335
Regional Management Corp
RM
$301M
| $6.61M | 0.01% |
226,437
-27,800
| -11% | -$809K |
|
1336
Consolidated Edison
ED
$40B
| $6.6M | 0.01% |
65,800
-27,400
| -29% | -$2.9M |
|
1337
Aurora
AUR
$13.5B
| $6.6M | 0.01% |
+1,259,500
| New | +$7.9M |
|
1338
BioLife Solutions
BLFS
$1.72B
| $6.59M | 0.01% |
306,100
+259,100
| +551% | +$5.84M |
|
|
SF
1339
Stifel
SF
$12.8B
| $6.59M | 0.01% |
95,273
+39,900
| +72% | +$2.45M |
|
1340
VanEck Junior Gold Miners ETF
GDXJ
$8.29B
| $6.59M | 0.01% |
+97,500
| New | +$6.16M |
|
1341
Riskified
RSKD
$832M
| $6.57M | 0.01% |
1,317,100
+63,900
| +5% | +$306K |
|
1342
Ethan Allen Interiors
ETD
$582M
| $6.56M | 0.01% |
235,700
-29,000
| -11% | -$783K |
|
1343
Flotek Industries
FTK
$1.3B
| $6.55M | 0.01% |
444,100
+345,500
| +350% | +$3.98M |
|
1344
State Street SPDR Bloomberg Convertible Securities ETF
CWB
$5.74B
| $6.54M | 0.01% |
79,100
-32,900
| -29% | -$2.58M |
|
1345
RE/MAX Holdings
RMAX
$260M
| $6.53M | 0.01% |
797,869
-10,900
| -1% | -$84.6K |
|
1346
Innovative Solutions & Support
ISSC
$392M
| $6.52M | 0.01% |
469,759
-108,500
| -19% | -$986K |
|
1347
HealthEquity
HQY
$8.76B
| $6.51M | 0.01% |
62,100
+29,900
| +93% | +$2.83M |
|
|
DAWN
1348
DELISTED
Day One Biopharmaceuticals
DAWN
| $6.5M | 0.01% |
1,000,540
+652,100
| +187% | +$4.49M |
|
1349
Bitwise Bitcoin ETF
BITB
$2.42B
| $6.5M | 0.01% |
+110,900
| New | +$5.95M |
|
1350
RH
RH
$3.42B
| $6.46M | 0.01% |
+34,200
| New | +$6.35M |
|
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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.