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 | |
|---|---|---|---|---|---|---|
351
ON Semiconductor
ON
$32.2B
| $48.5M | 0.06% |
925,896
-1,476,700
| -61% | -$64.2M |
|
352
Alcoa
AA
$13.8B
| $48.5M | 0.06% |
1,643,996
+781,751
| +91% | +$21.1M |
|
353
Jacobs Solutions
J
$16.9B
| $48.4M | 0.06% |
368,000
+12,379
| +3% | +$1.53M |
|
354
A10 Networks
ATEN
$1.99B
| $48.4M | 0.06% |
2,499,906
+143,599
| +6% | +$2.45M |
|
355
Booz Allen Hamilton
BAH
$9.32B
| $48.3M | 0.06% |
463,994
+13,800
| +3% | +$1.55M |
|
356
Pan American Silver
PAAS
$22.1B
| $48.2M | 0.06% |
1,698,622
+716,800
| +73% | +$18.5M |
|
357
Banco Bradesco
BBD
$35B
| $48.1M | 0.06% |
15,555,495
+1,054,600
| +7% | +$2.77M |
|
358
CRA International
CRAI
$1.06B
| $48M | 0.06% |
256,375
+26,078
| +11% | +$4.66M |
|
359
Crown Holdings
CCK
$13.1B
| $48M | 0.06% |
465,992
-183,308
| -28% | -$17.5M |
|
360
State Street SPDR Portfolio Short Term Treasury ETF
SPTS
$6.11B
| $48M | 0.06% |
1,638,300
-757,100
| -32% | -$22.1M |
|
361
Intercontinental Exchange
ICE
$84.9B
| $47.7M | 0.06% |
260,122
-22,217
| -8% | -$3.82M |
|
362
Radware
RDWR
$1.22B
| $47.7M | 0.06% |
1,620,230
+21,000
| +1% | +$497K |
|
363
Ovintiv
OVV
$17.4B
| $47.7M | 0.06% |
1,252,494
-571,900
| -31% | -$21M |
|
364
Pilgrim's Pride
PPC
$6.46B
| $47.6M | 0.06% |
1,057,413
-116,100
| -10% | -$5.7M |
|
365
Ross Stores
ROST
$80.1B
| $47.5M | 0.06% |
372,233
-188,300
| -34% | -$26.1M |
|
366
Lloyds Banking Group
LYG
$90B
| $47.5M | 0.06% |
11,172,800
+10,155,900
| +999% | +$40.4M |
|
367
Icon
ICLR
$12.8B
| $47.2M | 0.06% |
324,824
+145,900
| +82% | +$20.7M |
|
368
PTC Therapeutics
PTCT
$6.18B
| $47M | 0.06% |
963,300
+293,100
| +44% | +$13.9M |
|
369
Becton Dickinson
BDX
$49.1B
| $46.7M | 0.06% |
+271,391
| New | +$49.7M |
|
370
Toro Company
TTC
$9.28B
| $46.6M | 0.06% |
658,800
+357,800
| +119% | +$25.4M |
|
371
Antero Resources
AR
$11.5B
| $46.4M | 0.06% |
1,152,500
+42,300
| +4% | +$1.6M |
|
372
Scorpio Tankers
STNG
$3.79B
| $46.4M | 0.06% |
1,185,915
+219,100
| +23% | +$8.54M |
|
373
Warrior Met Coal
HCC
$5.1B
| $45.8M | 0.06% |
998,481
-181,300
| -15% | -$8.41M |
|
374
APA Corp
APA
$14.1B
| $45.2M | 0.06% |
2,469,934
+1,100,900
| +80% | +$19.1M |
|
375
Allegion
ALLE
$14.1B
| $45.1M | 0.06% |
313,100
-17,300
| -5% | -$2.37M |
|
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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.