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 |
Alphabet (Google) Class A
GOOGL
|
+$546M |
| 2 |
Microsoft
MSFT
|
+$480M |
| 3 |
Alphabet (Google) Class C
GOOG
|
+$362M |
| 4 |
Meta Platforms (Facebook)
META
|
+$350M |
| 5 |
Coca-Cola
KO
|
+$266M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Robinhood
HOOD
|
+$1.04B |
| 2 |
Palantir
PLTR
|
+$800M |
| 3 |
Apple
AAPL
|
+$516M |
| 4 |
Netflix
NFLX
|
+$326M |
| 5 |
NVIDIA
NVDA
|
+$313M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 21.71% |
| 2 | Healthcare | 15.16% |
| 3 | Consumer Discretionary | 11.81% |
| 4 | Communication Services | 10.53% |
| 5 | Financials | 9.27% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
351
Texas Roadhouse
TXRH
$13.8B
| $49.4M | 0.07% |
297,572
-252,400
| -46% | -$44.5M |
|
352
Old Dominion Freight Line
ODFL
$44B
| $49.2M | 0.07% |
+349,582
| New | +$53.5M |
|
|
VMEO
353
DELISTED
Vimeo
VMEO
| $49.2M | 0.06% |
6,342,800
-151,900
| -2% | -$748K |
|
354
Otis Worldwide
OTIS
$28B
| $49.1M | 0.06% |
536,900
+25,700
| +5% | +$2.33M |
|
355
ODDITY Tech
ODD
$572M
| $48.7M | 0.06% |
782,000
+20,800
| +3% | +$1.35M |
|
356
Skywest
SKYW
$4.15B
| $48.7M | 0.06% |
483,724
-14,300
| -3% | -$1.6M |
|
357
Willis Towers Watson
WTW
$31.5B
| $48.6M | 0.06% |
140,820
-170,937
| -55% | -$55.4M |
|
358
Ametek
AME
$59B
| $48.1M | 0.06% |
255,950
-18,500
| -7% | -$3.4M |
|
359
Natera
NTRA
$45.6B
| $48M | 0.06% |
298,500
-195,300
| -40% | -$30.9M |
|
360
F5
FFIV
$23.8B
| $48M | 0.06% |
148,636
+18,074
| +14% | +$5.66M |
|
361
Xylem
XYL
$28.3B
| $47.7M | 0.06% |
323,171
+135,500
| +72% | +$18.8M |
|
362
State Street Health Care Select Sector SPDR ETF
XLV
$43.9B
| $47.6M | 0.06% |
341,900
+51,900
| +18% | +$7.02M |
|
363
Everest Group
EG
$14B
| $47.6M | 0.06% |
135,800
-65,500
| -33% | -$22.1M |
|
364
Cintas
CTAS
$81.8B
| $47.4M | 0.06% |
+230,972
| New | +$49.3M |
|
365
Amgen
AMGN
$225B
| $47.2M | 0.06% |
167,245
-110,055
| -40% | -$31.9M |
|
366
FirstCash
FCFS
$9.17B
| $47.1M | 0.06% |
297,231
-124,800
| -30% | -$17.5M |
|
367
Ezcorp Inc
EZPW
$1.68B
| $47.1M | 0.06% |
2,472,566
+225,400
| +10% | +$3.53M |
|
368
SoFi Technologies
SOFI
$22.9B
| $46.9M | 0.06% |
1,776,800
-3,749,900
| -68% | -$89M |
|
369
Radware
RDWR
$1.22B
| $46.8M | 0.06% |
1,765,730
+145,500
| +9% | +$3.88M |
|
370
CDW
CDW
$16.8B
| $46.7M | 0.06% |
293,298
+260,600
| +797% | +$44.3M |
|
371
FuboTV Inc
FUBO
$292M
| $46.7M | 0.06% |
937,392
-321,950
| -26% | -$14.6M |
|
372
Klaviyo
KVYO
$5B
| $46.6M | 0.06% |
1,683,344
+488,300
| +41% | +$15.8M |
|
373
Performance Food Group
PFGC
$17.2B
| $46.6M | 0.06% |
448,007
+85,600
| +24% | +$8.57M |
|
374
Descartes Systems
DSGX
$6.59B
| $46.3M | 0.06% |
491,844
+101,844
| +26% | +$10.4M |
|
|
GTLS
375
DELISTED
Chart Industries
GTLS
| $46.3M | 0.06% |
231,400
+153,000
| +195% | +$29.1M |
|
Similar funds
Jim Simons's Q3 2025 Portfolio in Review
As of Q3 2025, Jim Simons held 4,038 positions worth $75.8B, up 0.77% from $75.2B the previous quarter. Its ten largest holdings account for 11% of the portfolio.
Jim Simons withdrew a net $5.41B in Q3 2025, closing 581 positions and reducing 1,457 holdings. Its most notable exit was GE Aerospace, an estimated $235M position sold in full.
By sector, the portfolio is most concentrated in Technology at 22% of assets, up from 20% a quarter earlier, followed by Healthcare and Consumer Discretionary.
Against the trend, Jim Simons opened a new position in Alphabet (Google) Class C worth $419M.
- Jim Simons's largest Q3 2025 buy was Alphabet (Google) Class C: 1,720,002 shares worth $419M.
- Jim Simons added most to Alphabet (Google) Class A in Q3 2025, an estimated $546M increase.
- Jim Simons's biggest Q3 2025 reduction was Robinhood, cutting an estimated $1.04B.
- Jim Simons fully exited GE Aerospace in Q3 2025, selling an estimated $235M.
- Jim Simons's ten largest holdings make up 11% of its $75.8B portfolio in Q3 2025.
- Jim Simons opened 516 new positions and closed 581 in Q3 2025.
- Jim Simons's portfolio value rose 0.77% quarter-over-quarter to $75.8B.
Based on Renaissance Technologies's 13F filing for Q3 2025, filed 13 Nov 2025.