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Jim Simons Renaissance Technologies
AUM
$73.4B
Turnover
30.34%
1-Year Est. Return
32.8%
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.
This Fund
S&P 500
This Quarter Est. Return
+17.5%
1 Year Est. Return
+32.8%
3 Year Est. Return
+177.41%
5 Year Est. Return
+184.82%
10 Year Est. Return
+833.33%
AUM
$75.8B
AUM Growth
+$582M
(+0.77%)
Cap. Flow
-$5.41B
Cap. Flow % of AUM
Cap. Flow %
-7.14%
Top 10 Holdings %
Top 10 Hldgs %
11.47%
Holding
4,038
New
514
Increased
1,457
Reduced
1,457
Closed
581
Avg Time Held
3.4
years
Top 10 Avg Time Held
1.2
years
Top 20 Avg Time Held
1.6
years
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 | 21.68% |
| 2 | Healthcare | 15.15% |
| 3 | Consumer Discretionary | 11.78% |
| 4 | Communication Services | 10.55% |
| 5 | Financials | 9.27% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | Held Since | |
|---|---|---|---|---|---|---|---|
|
1
Palantir
PLTR
$405B
| $1.56B | 2.06% |
8,565,875
-4,936,171
| -37% | -$800M |
2021 Q2
17 quarters
|
|
|
2
NVIDIA
NVDA
$3.93T
| $1.05B | 1.39% |
5,628,605
-1,794,139
| -24% | -$313M |
2023 Q1
10 quarters
|
|
3
Roblox
RBLX
$35.7B
| $954M | 1.26% |
6,883,545
+781,886
| +13% | +$97.2M |
2021 Q2
17 quarters
|
|
4
United Therapeutics
UTHR
$25.2B
| $911M | 1.2% |
2,173,392
+54,300
| +3% | +$18.3M |
2013 Q2
49 quarters
|
|
5
VeriSign
VRSN
$28.1B
| $886M | 1.17% |
3,170,271
-97,098
| -3% | -$27.1M |
2013 Q2
49 quarters
|
|
6
Applovin
APP
$136B
| $720M | 0.95% |
1,001,432
-379,400
| -27% | -$175M |
2023 Q4
7 quarters
|
|
|
7
Microsoft
MSFT
$3.89T
| $683M | 0.9% |
1,318,907
+940,135
| +248% | +$480M |
2024 Q2
5 quarters
|
|
8
Kinross Gold
KGC
$24.5B
| $648M | 0.86% |
26,080,330
-7,395,100
| -22% | -$142M |
2013 Q2
49 quarters
|
|
9
Exelixis
EXEL
$16.8B
| $638M | 0.84% |
15,459,266
-360,499
| -2% | -$14.5M |
2016 Q3
36 quarters
|
|
10
Franco-Nevada
FNV
$47.7B
| $635M | 0.84% |
2,849,418
-408,531
| -13% | -$73.6M |
2014 Q1
46 quarters
|
|
|
11
Alphabet (Google) Class A
GOOGL
$3.64T
| $634M | 0.84% |
2,606,747
+2,604,387
| +110,355% | +$546M |
2023 Q2
9 quarters
|
|
12
Gilead Sciences
GILD
$208B
| $606M | 0.8% |
5,462,744
-203,648
| -4% | -$23.1M |
2014 Q4
43 quarters
|
|
13
DoorDash
DASH
$74.8B
| $532M | 0.7% |
1,957,201
-506,987
| -21% | -$127M |
2021 Q2
17 quarters
|
|
14
Hims & Hers Health
HIMS
$4.62B
| $516M | 0.68% |
9,096,852
+2,227,400
| +32% | +$114M |
2021 Q2
17 quarters
|
|
15
Reddit
RDDT
$19B
| $513M | 0.68% |
2,230,235
+622,635
| +39% | +$127M |
2024 Q2
5 quarters
|
|
16
Corcept Therapeutics
CORT
$7.88B
| $506M | 0.67% |
6,089,347
-177,055
| -3% | -$12.8M |
2015 Q1
42 quarters
|
|
17
Wayfair
W
$15.3B
| $467M | 0.62% |
5,226,767
+658,500
| +14% | +$48.2M |
2023 Q2
9 quarters
|
|
18
Spotify
SPOT
$126B
| $459M | 0.61% |
657,585
-224,340
| -25% | -$157M |
2022 Q1
14 quarters
|
|
19
Sprouts Farmers Market
SFM
$4.8B
| $444M | 0.59% |
4,083,844
+52,000
| +1% | +$7.57M |
2016 Q2
37 quarters
|
|
20
GE Vernova
GEV
$213B
| $440M | 0.58% |
716,282
-460,120
| -39% | -$279M |
2024 Q3
4 quarters
|
|
21
Ford
F
$47.6B
| $420M | 0.55% |
35,105,709
-8,377,542
| -19% | -$96.5M |
2022 Q4
11 quarters
|
|
|
22
Alphabet (Google) Class C
GOOG
$3.6T
| $419M | 0.55% |
+1,720,002
| New | +$362M |
2025 Q3
0 quarters
|
|
23
Etsy
ETSY
$7.67B
| $399M | 0.53% |
6,003,841
-1,643,400
| -21% | -$98.1M |
2023 Q1
10 quarters
|
|
24
Incyte
INCY
$24.7B
| $384M | 0.51% |
4,528,132
+646,200
| +17% | +$51.1M |
2017 Q4
31 quarters
|
|
25
Carvana
CVNA
$79.8B
| $382M | 0.5% |
5,065,560
| – | – |
2023 Q3
8 quarters
|
|
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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 514 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.