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 | |
|---|---|---|---|---|---|---|
751
Toyota
TM
$223B
| $18.4M | 0.02% |
+106,600
| New | +$19.3M |
|
752
Trip.com Group
TCOM
$28.7B
| $18.4M | 0.02% |
313,000
-159,400
| -34% | -$9.58M |
|
|
SPNS
753
DELISTED
Sapiens International
SPNS
| $18.3M | 0.02% |
626,603
-55,000
| -8% | -$1.53M |
|
754
Nathan's Famous
NATH
$397M
| $18.3M | 0.02% |
165,445
+8,489
| +5% | +$866K |
|
755
Strategic Education
STRA
$1.81B
| $18.2M | 0.02% |
214,318
-4,500
| -2% | -$382K |
|
756
Axalta
AXTA
$7.98B
| $18.2M | 0.02% |
614,400
-173,100
| -22% | -$5.39M |
|
757
HealthStream
HSTM
$829M
| $18.2M | 0.02% |
656,900
+108,900
| +20% | +$3.22M |
|
|
TPH
758
DELISTED
Tri Pointe Homes
TPH
| $18.1M | 0.02% |
567,836
-123,000
| -18% | -$3.77M |
|
759
National Vision
EYE
$1.56B
| $18.1M | 0.02% |
785,900
+184,600
| +31% | +$3.15M |
|
760
Tootsie Roll Industries
TR
$3.05B
| $18M | 0.02% |
554,643
+7,519
| +1% | +$241K |
|
761
GoodRx Holdings
GDRX
$1.22B
| $17.9M | 0.02% |
3,598,438
+587,400
| +20% | +$2.55M |
|
762
Grupo Cibest SA
CIB
$22.6B
| $17.9M | 0.02% |
387,000
+15,275
| +4% | +$635K |
|
763
Honda
HMC
$40.6B
| $17.9M | 0.02% |
619,800
-78,800
| -11% | -$2.3M |
|
764
Genius Sports
GENI
$2.12B
| $17.9M | 0.02% |
+1,716,900
| New | +$17.2M |
|
765
Stride
LRN
$3.27B
| $17.8M | 0.02% |
122,300
+93,300
| +322% | +$13.5M |
|
766
Vulcan Materials
VMC
$36.3B
| $17.7M | 0.02% |
+67,865
| New | +$17.5M |
|
767
Lincoln Electric
LECO
$15.6B
| $17.6M | 0.02% |
85,038
+18,900
| +29% | +$3.61M |
|
768
Halozyme
HALO
$11.6B
| $17.6M | 0.02% |
338,609
+218,599
| +182% | +$12.4M |
|
769
AMC Entertainment Holdings
AMC
$2.26B
| $17.6M | 0.02% |
5,682,019
+805,300
| +17% | +$2.39M |
|
770
Public Service Enterprise Group
PEG
$37.8B
| $17.6M | 0.02% |
209,100
+137,800
| +193% | +$11.1M |
|
771
Boston Beer
SAM
$1.89B
| $17.4M | 0.02% |
91,379
+13,100
| +17% | +$3.02M |
|
772
Artisan Partners
APAM
$2.97B
| $17.4M | 0.02% |
392,423
+74,300
| +23% | +$2.97M |
|
773
iShares Short Maturity Bond ETF
NEAR
$4.88B
| $17.3M | 0.02% |
339,293
-343,507
| -50% | -$17.4M |
|
774
Cirrus Logic
CRUS
$6.11B
| $17.3M | 0.02% |
166,220
-20,400
| -11% | -$2M |
|
775
Brink's
BCO
$4.69B
| $17.3M | 0.02% |
193,532
-600
| -0.3% | -$52.2K |
|
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.