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 | |
|---|---|---|---|---|---|---|
126
Jazz Pharmaceuticals
JAZZ
$16.1B
| $122M | 0.16% |
924,874
+24,506
| +3% | +$2.94M |
|
127
Altria Group
MO
$109B
| $122M | 0.16% |
1,843,234
-303,581
| -14% | -$19.2M |
|
128
Insulet
PODD
$10B
| $121M | 0.16% |
390,893
+16,637
| +4% | +$5.21M |
|
129
Tenaris
TS
$27B
| $120M | 0.16% |
3,350,644
+459,100
| +16% | +$16.7M |
|
130
National Beverage
FIZZ
$2.89B
| $119M | 0.16% |
3,224,666
-20,800
| -0.6% | -$900K |
|
131
Salesforce
CRM
$162B
| $119M | 0.16% |
500,895
+460,811
| +1,150% | +$116M |
|
132
S&P Global
SPGI
$120B
| $116M | 0.15% |
237,522
+98,600
| +71% | +$52.8M |
|
133
Illumina
ILMN
$29.1B
| $114M | 0.15% |
1,204,942
+183,082
| +18% | +$18.2M |
|
134
Take-Two Interactive
TTWO
$46.8B
| $114M | 0.15% |
441,439
+107,200
| +32% | +$25.4M |
|
135
Vistra
VST
$48.6B
| $114M | 0.15% |
581,242
-23,169
| -4% | -$4.59M |
|
136
Intel
INTC
$493B
| $114M | 0.15% |
3,392,265
-4,200,325
| -55% | -$102M |
|
137
Humana
HUM
$44.8B
| $114M | 0.15% |
436,800
-21,400
| -5% | -$5.63M |
|
138
Alpha Metallurgical Resources
AMR
$1.95B
| $113M | 0.15% |
685,815
+24,700
| +4% | +$3.42M |
|
139
Grupo Aeroportuario del Pacifico
PAC
$12.7B
| $111M | 0.15% |
469,700
-16,200
| -3% | -$3.89M |
|
140
Manhattan Associates
MANH
$11.4B
| $111M | 0.15% |
542,460
-94,900
| -15% | -$20.1M |
|
141
FedEx
FDX
$76.3B
| $111M | 0.15% |
470,400
+64,400
| +16% | +$14.8M |
|
142
WIX.com
WIX
$2.79B
| $109M | 0.14% |
616,149
-218,500
| -26% | -$32.9M |
|
143
Ericsson
ERIC
$33B
| $109M | 0.14% |
13,148,900
-8,427,000
| -39% | -$65.9M |
|
144
Cardinal Health
CAH
$55.9B
| $109M | 0.14% |
692,300
+33,892
| +5% | +$5.24M |
|
145
Dollar General
DG
$26.5B
| $109M | 0.14% |
1,050,700
+351,000
| +50% | +$38.5M |
|
146
Dollar Tree
DLTR
$24.6B
| $108M | 0.14% |
1,142,303
+229,500
| +25% | +$24.6M |
|
147
Janus Henderson AAA CLO ETF
JAAA
$29.8B
| $108M | 0.14% |
2,122,200
+610,787
| +40% | +$31M |
|
|
K
148
DELISTED
Kellanova
K
| $107M | 0.14% |
1,309,400
-773,400
| -37% | -$61.5M |
|
149
Winmark
WINA
$1.33B
| $107M | 0.14% |
214,895
-5,601
| -3% | -$2.4M |
|
150
Morningstar
MORN
$7.33B
| $107M | 0.14% |
460,770
+195,600
| +74% | +$52.1M |
|
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.