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 | |
|---|---|---|---|---|---|---|
601
JD.com
JD
$42.7B
| $26.3M | 0.04% |
+806,000
| New | +$27.5M |
|
|
VMEO
602
DELISTED
Vimeo
VMEO
| $26.2M | 0.03% |
6,494,700
-17,200
| -0.3% | -$79.6K |
|
603
CareTrust REIT
CTRE
$9.25B
| $26.2M | 0.03% |
857,338
-293,300
| -25% | -$8.46M |
|
604
Teradata
TDC
$2.49B
| $26M | 0.03% |
1,165,357
-250,100
| -18% | -$5.44M |
|
605
California Resources
CRC
$4.75B
| $25.8M | 0.03% |
564,036
-26,400
| -4% | -$1.08M |
|
606
Madison Square Garden
MSGS
$9.97B
| $25.5M | 0.03% |
121,800
+60,600
| +99% | +$11.7M |
|
607
Invesco QQQ Trust
QQQ
$481B
| $25.4M | 0.03% |
46,100
+22,300
| +94% | +$11.1M |
|
608
Titan International
TWI
$450M
| $25.4M | 0.03% |
2,471,987
-98,300
| -4% | -$758K |
|
609
Cameco
CCJ
$43.1B
| $25.3M | 0.03% |
341,200
-173,100
| -34% | -$9.24M |
|
610
Delta Air Lines
DAL
$59.1B
| $25.3M | 0.03% |
514,900
-629,800
| -55% | -$28.9M |
|
611
Workday
WDAY
$43.3B
| $25.3M | 0.03% |
+105,436
| New | +$25.7M |
|
612
Mid-America Apartment Communities
MAA
$15.4B
| $25.3M | 0.03% |
170,831
+158,731
| +1,312% | +$24.8M |
|
613
Groupon
GRPN
$901M
| $25.2M | 0.03% |
752,813
+730,000
| +3,200% | +$18.6M |
|
614
Hexcel
HXL
$7.74B
| $25.1M | 0.03% |
444,300
+176,800
| +66% | +$9.35M |
|
615
Flowserve
FLS
$10.3B
| $25.1M | 0.03% |
479,300
-29,400
| -6% | -$1.38M |
|
616
Saia
SAIA
$9.73B
| $25M | 0.03% |
+91,298
| New | +$26M |
|
617
Peloton Interactive
PTON
$2.38B
| $24.9M | 0.03% |
3,584,800
-1,504,800
| -30% | -$9.77M |
|
618
Fox Class A
FOXA
$26.5B
| $24.9M | 0.03% |
443,700
+168,500
| +61% | +$8.89M |
|
619
Allstate
ALL
$64.7B
| $24.7M | 0.03% |
122,800
-221,500
| -64% | -$44.2M |
|
620
Magnolia Oil & Gas
MGY
$6.25B
| $24.6M | 0.03% |
1,096,298
+432,998
| +65% | +$9.59M |
|
621
Bath & Body Works
BBWI
$3.65B
| $24.6M | 0.03% |
820,333
+581,800
| +244% | +$17M |
|
622
Hamilton Lane
HLNE
$5.69B
| $24.5M | 0.03% |
172,131
+100,500
| +140% | +$15.2M |
|
623
OR Royalties Inc
OR
$6.31B
| $24.4M | 0.03% |
950,702
+147,200
| +18% | +$3.55M |
|
624
Fluor
FLR
$6.96B
| $24.4M | 0.03% |
475,700
-808,476
| -63% | -$32.2M |
|
625
Towne Bank
TOWN
$3.49B
| $24.3M | 0.03% |
710,950
+33,000
| +5% | +$1.1M |
|
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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.