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 | |
|---|---|---|---|---|---|---|
401
Walt Disney
DIS
$178B
| $42.5M | 0.06% |
342,460
-712,589
| -68% | -$74M |
|
402
Sabesp
SBS
$17.9B
| $42.3M | 0.06% |
9,936,077
+719,850
| +8% | +$2.79M |
|
403
Liquidity Services
LQDT
$1.34B
| $41.9M | 0.06% |
1,777,327
-12,560
| -0.7% | -$339K |
|
404
Equity Lifestyle Properties
ELS
$12.4B
| $41.9M | 0.06% |
679,800
+324,900
| +92% | +$20.7M |
|
405
RingCentral
RNG
$5.16B
| $41.8M | 0.06% |
1,474,900
-16,800
| -1% | -$433K |
|
406
BlackBerry
BB
$5.22B
| $41.7M | 0.06% |
9,105,243
-5,280,500
| -37% | -$19.9M |
|
407
ATI
ATI
$31.6B
| $41.6M | 0.06% |
481,692
+307,800
| +177% | +$21.1M |
|
408
National Healthcare
NHC
$3.43B
| $41.5M | 0.06% |
387,467
-16,900
| -4% | -$1.69M |
|
409
JPMorgan Ultra-Short Municipal Income ETF
JMST
$7.15B
| $41.4M | 0.06% |
813,890
-88,503
| -10% | -$4.49M |
|
410
APi Group
APG
$19B
| $41.3M | 0.05% |
+1,212,450
| New | +$34.7M |
|
411
LPL Financial
LPLA
$29.4B
| $41.2M | 0.05% |
109,800
+74,300
| +209% | +$26M |
|
412
eBay
EBAY
$45.7B
| $41.1M | 0.05% |
+552,240
| New | +$39.1M |
|
413
MP Materials
MP
$9.59B
| $40.9M | 0.05% |
1,230,100
+1,216,700
| +9,080% | +$31.1M |
|
414
Badger Meter
BMI
$3.85B
| $40.9M | 0.05% |
166,800
-17,000
| -9% | -$3.85M |
|
415
Option Care Health
OPCH
$3.57B
| $40.7M | 0.05% |
1,252,846
+101,700
| +9% | +$3.29M |
|
|
BCPC
416
Balchem Corp
BCPC
$5.7B
| $40.5M | 0.05% |
254,100
+73,400
| +41% | +$11.9M |
|
417
Universal Technical Institute
UTI
$1.4B
| $40.4M | 0.05% |
1,192,991
+111,000
| +10% | +$3.48M |
|
418
Ituran Location and Control
ITRN
$1.12B
| $40.3M | 0.05% |
1,041,700
-71,061
| -6% | -$2.55M |
|
419
A.O. Smith
AOS
$8.5B
| $40.3M | 0.05% |
615,100
+252,400
| +70% | +$16.5M |
|
420
REX American Resources
REX
$1.44B
| $40.3M | 0.05% |
1,654,430
-57,800
| -3% | -$1.22M |
|
421
Belden
BDC
$5.34B
| $40.3M | 0.05% |
347,655
+23,100
| +7% | +$2.43M |
|
422
CVS Health
CVS
$121B
| $40.2M | 0.05% |
582,853
+532,853
| +1,066% | +$34.9M |
|
423
Gold Fields
GFI
$36.5B
| $40.2M | 0.05% |
1,696,965
-244,684
| -13% | -$5.62M |
|
424
Klaviyo
KVYO
$4.94B
| $40.1M | 0.05% |
1,195,044
+219,400
| +22% | +$6.95M |
|
425
AvePoint
AVPT
$2.74B
| $40M | 0.05% |
2,071,000
+367,461
| +22% | +$6.37M |
|
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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.