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 | |
|---|---|---|---|---|---|---|
|
MSTU
1776
T-Rex 2X Long MSTR Daily Target ETF
MSTU
$323M
| $3.34M | ﹤0.01% |
+38,590
| New | +$2.92M |
|
1777
Red Violet
RDVT
$1.18B
| $3.32M | ﹤0.01% |
67,540
+48,000
| +246% | +$2.09M |
|
1778
ProShares Trust UltraShort Lehman 20+ Year Treasury
TBT
$306M
| $3.31M | ﹤0.01% |
94,300
-103,000
| -52% | -$3.73M |
|
1779
Helios Technologies
HLIO
$2.67B
| $3.3M | ﹤0.01% |
98,775
+36,300
| +58% | +$1.09M |
|
|
LPRO
1780
DELISTED
Open Lending Corp
LPRO
| $3.29M | ﹤0.01% |
1,696,925
+1,154,900
| +213% | +$1.87M |
|
1781
W.R. Berkley
WRB
$26.2B
| $3.29M | ﹤0.01% |
44,766
-289,881
| -87% | -$20.8M |
|
1782
Madrigal Pharmaceuticals
MDGL
$11.7B
| $3.28M | ﹤0.01% |
10,836
-74,250
| -87% | -$22.1M |
|
|
DCBO
1783
Docebo
DCBO
$594M
| $3.26M | ﹤0.01% |
112,631
+24,371
| +28% | +$691K |
|
|
PRSU
1784
Pursuit Attractions and Hospitality Inc
PRSU
$1.29B
| $3.25M | ﹤0.01% |
112,900
-14,700
| -12% | -$434K |
|
|
EVRI
1785
DELISTED
Everi Holdings
EVRI
| $3.25M | ﹤0.01% |
228,300
+136,500
| +149% | +$1.91M |
|
1786
Central Garden & Pet Co
CENT
$2.78B
| $3.25M | ﹤0.01% |
92,311
-8,400
| -8% | -$297K |
|
1787
International General Insurance
IGIC
$1.14B
| $3.23M | ﹤0.01% |
134,600
+50,700
| +60% | +$1.2M |
|
1788
NOV
NOV
$7.36B
| $3.23M | ﹤0.01% |
259,810
-526,000
| -67% | -$6.63M |
|
1789
Silgan Holdings
SLGN
$4.46B
| $3.23M | ﹤0.01% |
59,580
-61,800
| -51% | -$3.27M |
|
1790
Vanguard Morningstar Total Stock Market ETF
VTI
$696B
| $3.22M | ﹤0.01% |
10,600
+4,200
| +66% | +$1.18M |
|
1791
Comp X International
CIX
$390M
| $3.22M | ﹤0.01% |
121,249
-4,600
| -4% | -$114K |
|
1792
IBEX
IBEX
$482M
| $3.2M | ﹤0.01% |
110,100
+33,500
| +44% | +$896K |
|
1793
iShares Core 60/40 Balanced Allocation ETF
AOR
$3.75B
| $3.2M | ﹤0.01% |
52,000
+16,806
| +48% | +$982K |
|
1794
Asana
ASAN
$2.28B
| $3.2M | ﹤0.01% |
237,000
-321,600
| -58% | -$5.04M |
|
1795
IMAX
IMAX
$2.92B
| $3.19M | ﹤0.01% |
114,105
-73,595
| -39% | -$1.91M |
|
1796
Savers
SVV
$1.67B
| $3.19M | ﹤0.01% |
312,600
+156,100
| +100% | +$1.53M |
|
1797
Enerpac Tool Group
EPAC
$1.89B
| $3.18M | ﹤0.01% |
78,469
-52,500
| -40% | -$2.21M |
|
1798
Cerence
CRNC
$389M
| $3.18M | ﹤0.01% |
311,117
+167,100
| +116% | +$1.47M |
|
1799
Kulicke & Soffa
KLIC
$5.01B
| $3.17M | ﹤0.01% |
+91,728
| New | +$2.98M |
|
1800
Leggett & Platt
LEG
$1.32B
| $3.17M | ﹤0.01% |
355,300
+178,800
| +101% | +$1.54M |
|
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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.