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 | |
|---|---|---|---|---|---|---|
326
Vertiv
VRT
$113B
| $54M | 0.07% |
358,212
+96,400
| +37% | +$12.9M |
|
|
PPL
327
PPL Corp
PPL
$26.5B
| $54M | 0.07% |
1,454,200
+433,428
| +42% | +$15.6M |
|
328
ConocoPhillips
COP
$151B
| $54M | 0.07% |
571,194
+401,051
| +236% | +$37.9M |
|
329
Cellebrite
CLBT
$3.84B
| $53.8M | 0.07% |
2,902,105
+215,766
| +8% | +$3.39M |
|
330
Annaly Capital Management
NLY
$17.5B
| $53.5M | 0.07% |
2,648,015
+1,822,855
| +221% | +$37.8M |
|
331
REX American Resources
REX
$1.42B
| $53.3M | 0.07% |
1,741,430
+87,000
| +5% | +$2.48M |
|
332
Entergy
ETR
$50.1B
| $53.3M | 0.07% |
572,000
-88,913
| -13% | -$7.82M |
|
333
Riot Platforms
RIOT
$7.78B
| $53.3M | 0.07% |
2,799,749
-401,400
| -13% | -$5.56M |
|
334
Marathon Digital Holdings
MARA
$3.74B
| $52.6M | 0.07% |
2,880,338
+1,070,900
| +59% | +$18M |
|
335
BJs Wholesale Club
BJ
$11.9B
| $52.3M | 0.07% |
560,754
+47,400
| +9% | +$4.85M |
|
|
TTAN
336
ServiceTitan Inc
TTAN
$8.46B
| $52.2M | 0.07% |
517,500
+177,000
| +52% | +$19.4M |
|
337
Alignment Healthcare
ALHC
$2.79B
| $51.9M | 0.07% |
2,972,500
+474,800
| +19% | +$7.04M |
|
338
ZIM Integrated Shipping Services
ZIM
$3.02B
| $51.8M | 0.07% |
3,826,127
-2,954,804
| -44% | -$44.9M |
|
339
SSR Mining
SSRM
$6.65B
| $51.8M | 0.07% |
2,120,543
-344,200
| -14% | -$5.82M |
|
340
Royal Gold
RGLD
$20B
| $51.8M | 0.07% |
258,042
-49,891
| -16% | -$8.63M |
|
341
Fortis
FTS
$28.7B
| $51.6M | 0.07% |
1,016,752
-255,400
| -20% | -$12.6M |
|
342
CRA International
CRAI
$1.04B
| $51.4M | 0.07% |
246,675
-9,700
| -4% | -$1.86M |
|
343
Sarepta Therapeutics
SRPT
$1.93B
| $51.1M | 0.07% |
2,650,178
+2,025,700
| +324% | +$36.1M |
|
344
Jacobs Solutions
J
$16.9B
| $50.8M | 0.07% |
339,200
-28,800
| -8% | -$4.14M |
|
345
Insmed
INSM
$29.4B
| $50.8M | 0.07% |
352,887
+44,200
| +14% | +$5.41M |
|
346
Ramaco Resources Class A
METC
$683M
| $50.3M | 0.07% |
1,516,304
+1,225,004
| +421% | +$28.5M |
|
347
Gold Fields
GFI
$36.9B
| $50.1M | 0.07% |
1,194,042
-502,923
| -30% | -$15.6M |
|
348
Toro Company
TTC
$9.3B
| $50M | 0.07% |
655,900
-2,900
| -0.4% | -$222K |
|
349
Nomad Foods
NOMD
$1.6B
| $49.9M | 0.07% |
3,797,427
+179,648
| +5% | +$2.81M |
|
350
Warrior Met Coal
HCC
$5.15B
| $49.6M | 0.07% |
778,981
-219,500
| -22% | -$12.5M |
|
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.