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 | |
|---|---|---|---|---|---|---|
1601
Emergent Biosolutions
EBS
$230M
| $4.4M | 0.01% |
689,647
-70,600
| -9% | -$404K |
|
|
HTBK
1602
DELISTED
Heritage Commerce
HTBK
| $4.38M | 0.01% |
441,500
+120,000
| +37% | +$1.1M |
|
1603
iShares MSCI EAFE Small-Cap ETF
SCZ
$13.6B
| $4.38M | 0.01% |
+60,300
| New | +$4.08M |
|
1604
Euroseas
ESEA
$519M
| $4.38M | 0.01% |
97,978
-600
| -0.6% | -$21.9K |
|
1605
First Trust Managed Municipal ETF
FMB
$2.07B
| $4.37M | 0.01% |
87,792
+36,092
| +70% | +$1.8M |
|
1606
Shinhan Financial Group
SHG
$35.1B
| $4.37M | 0.01% |
96,800
-145,200
| -60% | -$5.53M |
|
1607
Columbia Sportswear
COLM
$2.96B
| $4.37M | 0.01% |
71,502
+26,100
| +57% | +$1.68M |
|
|
ITIC
1608
Investors Title Co
ITIC
$534M
| $4.36M | 0.01% |
20,647
-3,200
| -13% | -$718K |
|
1609
iShares iBonds Dec 2028 Term Corporate ETF
IBDT
$4.07B
| $4.36M | 0.01% |
171,595
-90,105
| -34% | -$2.27M |
|
1610
State Street SPDR Bloomberg International Treasury Bond ETF
BWX
$1.31B
| $4.36M | 0.01% |
+185,500
| New | +$4.24M |
|
1611
Harrow
HROW
$1.46B
| $4.35M | 0.01% |
142,517
-102,853
| -42% | -$2.76M |
|
1612
Saic
SAIC
$5.35B
| $4.35M | 0.01% |
38,650
+20,400
| +112% | +$2.32M |
|
1613
Skyward Specialty Insurance
SKWD
$2.39B
| $4.35M | 0.01% |
75,300
+12,600
| +20% | +$727K |
|
|
SFD
1614
Smithfield Foods
SFD
$8.85B
| $4.35M | 0.01% |
184,900
+72,100
| +64% | +$1.59M |
|
1615
YieldMax Universe Fund of Option Income ETFs
YMAX
$395M
| $4.34M | 0.01% |
+315,500
| New | +$4.2M |
|
1616
Photronics
PLAB
$1.97B
| $4.33M | 0.01% |
229,770
+73,077
| +47% | +$1.37M |
|
1617
MillerKnoll
MLKN
$1.62B
| $4.33M | 0.01% |
+222,783
| New | +$3.8M |
|
1618
Lakeland Financial Corp
LKFN
$1.56B
| $4.32M | 0.01% |
70,351
-12,100
| -15% | -$702K |
|
1619
iShares China Large-Cap ETF
FXI
$4.16B
| $4.32M | 0.01% |
117,600
-339,900
| -74% | -$11.9M |
|
1620
Pagaya Technologies
PGY
$1.79B
| $4.31M | 0.01% |
+202,185
| New | +$2.88M |
|
1621
PACCAR
PCAR
$68.8B
| $4.31M | 0.01% |
+45,316
| New | +$4.19M |
|
1622
West Bancorporation
WTBA
$511M
| $4.31M | 0.01% |
219,352
+8,200
| +4% | +$159K |
|
1623
Cedar Fair
FUN
$1.71B
| $4.29M | 0.01% |
141,090
-213,700
| -60% | -$7.16M |
|
1624
Rogers Corp
ROG
$2.46B
| $4.28M | 0.01% |
62,500
+57,700
| +1,202% | +$3.72M |
|
|
AMWD
1625
DELISTED
American Woodmark
AMWD
| $4.27M | 0.01% |
80,001
-42,400
| -35% | -$2.4M |
|
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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.