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 | |
|---|---|---|---|---|---|---|
476
NVR
NVR
$16.8B
| $34.5M | 0.05% |
+4,670
| New | +$33.5M |
|
477
EXL Service
EXLS
$5.24B
| $34.5M | 0.05% |
787,500
+631,800
| +406% | +$28.9M |
|
478
Crane Co
CR
$12.9B
| $34.5M | 0.05% |
181,500
+34,300
| +23% | +$5.69M |
|
479
UDR
UDR
$12B
| $34.5M | 0.05% |
843,936
+24,600
| +3% | +$1.02M |
|
480
Willis Lease Finance
WLFC
$1.21B
| $34.2M | 0.05% |
718,368
+5,877
| +0.8% | +$278K |
|
481
Diageo
DEO
$52B
| $34.2M | 0.05% |
338,970
+211,570
| +166% | +$23M |
|
|
SNRE
482
DELISTED
Sunrise Communications AG American Depositary Shares representing Class A shares
SNRE
| $34.1M | 0.05% |
603,557
+46,700
| +8% | +$2.44M |
|
483
America Movil
AMX
$70B
| $34.1M | 0.05% |
1,901,028
-3,300
| -0.2% | -$54.8K |
|
484
Barclays
BCS
$94.6B
| $34M | 0.05% |
1,831,086
+1,108,400
| +153% | +$18.3M |
|
485
Albemarle
ALB
$15.2B
| $33.9M | 0.05% |
540,908
+124,900
| +30% | +$7.39M |
|
486
TIM SA
TIMB
$8.69B
| $33.8M | 0.05% |
1,681,686
+56,300
| +3% | +$963K |
|
487
Weatherford International
WFRD
$6.69B
| $33.8M | 0.05% |
672,043
+82,800
| +14% | +$3.85M |
|
488
State Street SPDR Bloomberg Short Term High Yield Bond ETF
SJNK
$4.8B
| $33.7M | 0.04% |
1,324,300
+182,800
| +16% | +$4.57M |
|
489
Baytex Energy
BTE
$3.06B
| $33.7M | 0.04% |
18,804,000
+11,860,100
| +171% | +$20.7M |
|
490
Vertiv
VRT
$113B
| $33.6M | 0.04% |
261,812
-612,400
| -70% | -$59.6M |
|
491
InMode
INMD
$876M
| $33.6M | 0.04% |
2,326,518
+19,600
| +0.8% | +$287K |
|
492
Valley National Bancorp
VLY
$8.21B
| $33.5M | 0.04% |
3,755,209
+1,769,700
| +89% | +$15.4M |
|
493
Star Bulk Carriers
SBLK
$3.1B
| $33.5M | 0.04% |
1,940,805
+52,000
| +3% | +$809K |
|
494
Ferguson
FERG
$47.6B
| $33.4M | 0.04% |
153,500
+59,900
| +64% | +$11M |
|
495
Griffon
GFF
$4.73B
| $33.4M | 0.04% |
461,600
-19,400
| -4% | -$1.35M |
|
496
Acadia Pharmaceuticals
ACAD
$5.08B
| $33.4M | 0.04% |
1,547,732
+70,699
| +5% | +$1.31M |
|
497
VanEck IG Floating Rate ETF
FLTR
$3.04B
| $33.2M | 0.04% |
1,303,900
-620,723
| -32% | -$15.7M |
|
498
Grindr
GRND
$2.7B
| $33.1M | 0.04% |
1,457,865
+912,100
| +167% | +$20M |
|
499
Fair Isaac
FICO
$22.3B
| $33.1M | 0.04% |
18,100
-34,450
| -66% | -$64.7M |
|
500
Gaming and Leisure Properties
GLPI
$12.5B
| $33.1M | 0.04% |
708,630
+480,200
| +210% | +$22.7M |
|
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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.