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 | |
|---|---|---|---|---|---|---|
501
Teekay Tankers
TNK
$2.81B
| $32.7M | 0.04% |
784,524
+177,412
| +29% | +$7.59M |
|
502
Comcast
CMCSA
$90.4B
| $32.5M | 0.04% |
+911,453
| New | +$31.5M |
|
503
National Bank Holdings
NBHC
$1.92B
| $32.5M | 0.04% |
864,300
+13,000
| +2% | +$474K |
|
504
BlackRock Flexible Income ETF
BINC
$16.3B
| $32.5M | 0.04% |
614,700
+151,229
| +33% | +$7.88M |
|
505
Prestige Consumer Healthcare
PBH
$2.48B
| $32.4M | 0.04% |
405,804
+37,500
| +10% | +$3.14M |
|
506
Hess Midstream
HESM
$5.14B
| $32.3M | 0.04% |
837,595
-268,900
| -24% | -$10.2M |
|
507
Yelp
YELP
$1.28B
| $32.2M | 0.04% |
939,500
+86,400
| +10% | +$3.12M |
|
|
TPC
508
Tutor Perini Cor
TPC
$5.05B
| $32M | 0.04% |
683,580
+31,400
| +5% | +$1,000K |
|
509
Masco
MAS
$14.7B
| $31.8M | 0.04% |
494,800
-89,700
| -15% | -$5.65M |
|
510
American Public Education
APEI
$826M
| $31.8M | 0.04% |
1,044,520
+113,510
| +12% | +$3M |
|
511
Performance Food Group
PFGC
$16.9B
| $31.7M | 0.04% |
362,407
+181,500
| +100% | +$15.1M |
|
512
AutoZone
AZO
$49.7B
| $31.6M | 0.04% |
+8,517
| New | +$31.4M |
|
|
SAND
513
DELISTED
Sandstorm Gold
SAND
| $31.5M | 0.04% |
3,355,300
+1,328,900
| +66% | +$11.4M |
|
514
Skyworks Solutions
SWKS
$10.5B
| $31.5M | 0.04% |
+422,783
| New | +$28.2M |
|
515
Canadian Pacific Kansas City
CP
$81.5B
| $31.4M | 0.04% |
396,660
+148,100
| +60% | +$11.4M |
|
516
PepsiCo
PEP
$189B
| $31.4M | 0.04% |
238,124
-697,382
| -75% | -$93.9M |
|
517
Oscar Health
OSCR
$9.14B
| $31.4M | 0.04% |
1,464,700
+512,127
| +54% | +$7.61M |
|
518
SSR Mining
SSRM
$6.63B
| $31.4M | 0.04% |
2,464,743
-147,400
| -6% | -$1.66M |
|
|
VG
519
Venture Global Inc
VG
$34.3B
| $31.3M | 0.04% |
2,011,000
+1,590,900
| +379% | +$18.4M |
|
520
Sumitomo Mitsui Financial
SMFG
$166B
| $31.3M | 0.04% |
2,070,773
+428,303
| +26% | +$6.16M |
|
521
Vanguard Intermediate-Term Corporate Bond ETF
VCIT
$67.6B
| $31.3M | 0.04% |
+376,900
| New | +$30.6M |
|
|
VISN
522
Vistance Networks Inc
VISN
$2.67B
| $31.2M | 0.04% |
3,771,000
+40,200
| +1% | +$210K |
|
|
JBTM
523
JBT Marel
JBTM
$6.15B
| $31.2M | 0.04% |
259,600
+230,100
| +780% | +$25.7M |
|
524
Ezcorp Inc
EZPW
$1.78B
| $31.2M | 0.04% |
2,247,166
-94,200
| -4% | -$1.36M |
|
525
Energy Fuels
UUUU
$3.62B
| $31.1M | 0.04% |
5,412,020
+2,600,716
| +93% | +$12.5M |
|
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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.