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Jim Simons Renaissance Technologies
AUM
$72.6B
Turnover
31.08%
1-Year Est. Return
54.88%
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
+16.99%
1 Year Est. Return
+54.88%
3 Year Est. Return
+169.34%
5 Year Est. Return
+186.18%
10 Year Est. Return
+887.92%
AUM
$75.2B
AUM Growth
+$9.1B
(+14%)
Cap. Flow
+$1.81B
Cap. Flow % of AUM
Cap. Flow %
2.4%
Top 10 Holdings %
Top 10 Hldgs %
12.06%
Holding
4,018
New
612
Increased
1,577
Reduced
1,314
Closed
496
Avg Time Held
3.3
years
Top 10 Avg Time Held
1.2
years
Top 20 Avg Time Held
1.6
years
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 | 15.79% |
| 3 | Consumer Discretionary | 12.36% |
| 4 | Financials | 11.53% |
| 5 | Industrials | 8.92% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | Held Since | |
|---|---|---|---|---|---|---|---|
|
1
Palantir
PLTR
$442B
| $1.84B | 2.45% |
13,502,046
-2,787,827
| -17% | -$327M |
2021 Q2
16 quarters
|
|
|
2
NVIDIA
NVDA
$4.94T
| $1.17B | 1.56% |
7,422,744
+6,337,784
| +584% | +$798M |
2023 Q1
9 quarters
|
|
3
Robinhood
HOOD
$76.5B
| $1.08B | 1.43% |
11,515,634
-5,140,782
| -31% | -$304M |
2022 Q3
11 quarters
|
|
4
VeriSign
VRSN
$27.6B
| $944M | 1.26% |
3,267,369
+253,398
| +8% | +$68.7M |
2013 Q2
48 quarters
|
|
|
5
Netflix
NFLX
$258B
| $721M | 0.96% |
5,385,280
+5,381,200
| +131,892% | +$608M |
2024 Q2
4 quarters
|
|
6
Exelixis
EXEL
$16.9B
| $697M | 0.93% |
15,819,765
+995,500
| +7% | +$39.8M |
2016 Q3
35 quarters
|
|
7
Spotify
SPOT
$122B
| $677M | 0.9% |
881,925
+61,732
| +8% | +$39.6M |
2022 Q1
13 quarters
|
|
8
Sprouts Farmers Market
SFM
$4.58B
| $664M | 0.88% |
4,031,844
-231,900
| -5% | -$37.9M |
2016 Q2
36 quarters
|
|
9
Roblox
RBLX
$30.8B
| $642M | 0.85% |
6,101,659
+10,200
| +0.2% | +$801K |
2021 Q2
16 quarters
|
|
10
Gilead Sciences
GILD
$212B
| $628M | 0.84% |
5,666,392
+215,249
| +4% | +$22.9M |
2014 Q4
42 quarters
|
|
|
11
GE Vernova
GEV
$227B
| $622M | 0.83% |
1,176,402
+710,600
| +153% | +$296M |
2024 Q3
3 quarters
|
|
12
United Therapeutics
UTHR
$25.7B
| $609M | 0.81% |
2,119,092
+12,100
| +0.6% | +$3.62M |
2013 Q2
48 quarters
|
|
13
DoorDash
DASH
$77.6B
| $607M | 0.81% |
2,464,188
+485,500
| +25% | +$97.4M |
2021 Q2
16 quarters
|
|
14
Franco-Nevada
FNV
$43.4B
| $534M | 0.71% |
3,257,949
+227,400
| +8% | +$37.6M |
2014 Q1
45 quarters
|
|
15
Kinross Gold
KGC
$23.7B
| $523M | 0.7% |
33,475,430
+1,023,636
| +3% | +$14.9M |
2013 Q2
48 quarters
|
|
16
Applovin
APP
$76.5B
| $483M | 0.64% |
1,380,832
+501,632
| +57% | +$163M |
2023 Q4
6 quarters
|
|
17
Ford
F
$48.9B
| $472M | 0.63% |
43,483,251
+24,143,142
| +125% | +$246M |
2022 Q4
10 quarters
|
|
|
18
Apple
AAPL
$5.03T
| $469M | 0.62% |
2,286,262
+2,281,886
| +52,145% | +$461M |
2020 Q3
19 quarters
|
|
19
Corcept Therapeutics
CORT
$8.77B
| $460M | 0.61% |
6,266,402
+123,371
| +2% | +$8.94M |
2015 Q1
41 quarters
|
|
20
Vertex Pharmaceuticals
VRTX
$142B
| $447M | 0.6% |
1,004,888
-166,683
| -14% | -$76.8M |
2017 Q1
33 quarters
|
|
|
21
UnitedHealth
UNH
$365B
| $422M | 0.56% |
+1,352,129
| New | +$517M |
2025 Q2
0 quarters
|
|
22
Nutanix
NTNX
$18.2B
| $389M | 0.52% |
5,094,400
+480,600
| +10% | +$34.6M |
2021 Q1
17 quarters
|
|
23
Cboe Global Markets
CBOE
$35B
| $387M | 0.51% |
1,658,824
-59,400
| -3% | -$13.2M |
2013 Q2
48 quarters
|
|
24
Etsy
ETSY
$7.67B
| $384M | 0.51% |
7,647,241
+2,353,000
| +44% | +$117M |
2023 Q1
9 quarters
|
|
25
AbbVie
ABBV
$521B
| $364M | 0.48% |
1,961,998
+739,900
| +61% | +$138M |
2018 Q1
29 quarters
|
|
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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.