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 | |
|---|---|---|---|---|---|---|
776
Pediatrix Medical
MD
$2.15B
| $17.3M | 0.02% |
1,203,900
-17,100
| -1% | -$234K |
|
777
Qorvo
QRVO
$8.67B
| $17.2M | 0.02% |
202,406
-426,400
| -68% | -$30.8M |
|
778
John B. Sanfilippo & Son
JBSS
$989M
| $17.2M | 0.02% |
271,745
+35,586
| +15% | +$2.29M |
|
779
Evergy
EVRG
$19.2B
| $17.1M | 0.02% |
248,802
+8,200
| +3% | +$551K |
|
780
Palo Alto Networks
PANW
$315B
| $17.1M | 0.02% |
+83,800
| New | +$15.6M |
|
781
State Street Utilities Select Sector SPDR ETF
XLU
$22.8B
| $17.1M | 0.02% |
420,000
+247,200
| +143% | +$9.85M |
|
782
SandRidge Energy
SD
$529M
| $17.1M | 0.02% |
1,582,812
-60,475
| -4% | -$617K |
|
783
10x Genomics
TXG
$7.52B
| $17M | 0.02% |
1,472,255
+782,700
| +114% | +$7.13M |
|
784
United Bankshares
UBSI
$6.66B
| $17M | 0.02% |
465,833
+238,800
| +105% | +$8.39M |
|
785
Invesco Preferred ETF
PGX
$3.76B
| $16.9M | 0.02% |
+1,519,823
| New | +$16.7M |
|
786
Southside Bancshares
SBSI
$979M
| $16.9M | 0.02% |
574,585
-16,139
| -3% | -$457K |
|
787
Invesco BulletShares 2027 Corporate Bond ETF
BSCR
$4.59B
| $16.9M | 0.02% |
859,800
-381,792
| -31% | -$7.48M |
|
788
Republic Services
RSG
$65.6B
| $16.9M | 0.02% |
68,400
-276,761
| -80% | -$68.4M |
|
789
Pricesmart
PSMT
$5.49B
| $16.8M | 0.02% |
160,300
+101,200
| +171% | +$10.2M |
|
790
ArcelorMittal
MT
$55.9B
| $16.7M | 0.02% |
530,271
+133,000
| +33% | +$3.93M |
|
791
iShares iBonds Dec 2026 Term Corporate ETF
IBDR
$3.38B
| $16.7M | 0.02% |
689,186
-344,822
| -33% | -$8.33M |
|
792
EverQuote
EVER
$867M
| $16.7M | 0.02% |
689,587
+118,600
| +21% | +$2.81M |
|
|
SEE
793
DELISTED
Sealed Air
SEE
| $16.6M | 0.02% |
535,900
-9,000
| -2% | -$268K |
|
794
Avantor
AVTR
$9.42B
| $16.6M | 0.02% |
+1,234,900
| New | +$16.9M |
|
|
MRX
795
Marex Group Limited Ordinary Shares
MRX
$5.12B
| $16.6M | 0.02% |
421,087
+243,462
| +137% | +$10.1M |
|
796
Central Pacific Financial
CPF
$997M
| $16.6M | 0.02% |
592,253
-22,800
| -4% | -$601K |
|
797
DigitalBridge
DBRG
$2.95B
| $16.5M | 0.02% |
1,598,918
+777,142
| +95% | +$7.41M |
|
798
Veracyte
VCYT
$3.59B
| $16.5M | 0.02% |
610,400
-221,600
| -27% | -$6.42M |
|
799
Inspire Medical Systems
INSP
$1.68B
| $16.5M | 0.02% |
126,800
-63,900
| -34% | -$9.27M |
|
800
Albertsons Companies
ACI
$5.83B
| $16.4M | 0.02% |
764,235
+643,435
| +533% | +$14M |
|
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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.