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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
+24.48%
1 Year Est. Return
+54.88%
3 Year Est. Return
+169.34%
5 Year Est. Return
+186.18%
10 Year Est. Return
+887.93%
AUM
$72.6B
AUM Growth
+$8.69B
(+14%)
Cap. Flow
+$958M
Cap. Flow % of AUM
Cap. Flow %
1.32%
Top 10 Holdings %
Top 10 Hldgs %
12.01%
Holding
3,761
New
548
Increased
1,084
Reduced
1,502
Closed
621
Avg Time Held
3.5
years
Top 10 Avg Time Held
1.5
years
Top 20 Avg Time Held
1.3
years
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Meta Platforms (Facebook)
META
|
+$1.08B |
| 2 |
NVIDIA
NVDA
|
+$938M |
| 3 |
Alphabet (Google) Class A
GOOGL
|
+$639M |
| 4 |
Netflix
NFLX
|
+$598M |
| 5 |
Amazon
AMZN
|
+$575M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Micron Technology
MU
|
+$1.46B |
| 2 |
Sandisk
SNDK
|
+$1.13B |
| 3 |
Apple
AAPL
|
+$426M |
| 4 |
Linde
LIN
|
+$316M |
| 5 |
Vertiv
VRT
|
+$297M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 23.58% |
| 2 | Healthcare | 14.83% |
| 3 | Consumer Discretionary | 11.24% |
| 4 | Industrials | 10.49% |
| 5 | Communication Services | 8.91% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | Held Since | |
|---|---|---|---|---|---|---|---|
1251
USA Today Co
TDAY
$1.03B
| $7.13M | 0.01% |
833,619
-98,400
| -11% | -$742K |
2020 Q4
22 quarters
|
|
1252
El Pollo Loco
LOCO
$478M
| $7.1M | 0.01% |
418,400
+112,200
| +37% | +$1.61M |
2017 Q2
36 quarters
|
|
1253
Vanguard Short-Term Bond ETF
BSV
$45.5B
| $7.09M | 0.01% |
+91,055
| New | +$7.11M |
2026 Q2
0 quarters
|
|
1254
Establishment Labs
ESTA
$1.82B
| $7.06M | 0.01% |
82,300
+26,500
| +47% | +$1.9M |
2026 Q1
1 quarter
|
|
1255
1st Source
SRCE
$2.08B
| $7.05M | 0.01% |
86,415
-36,399
| -30% | -$2.72M |
2014 Q4
46 quarters
|
|
1256
Anika Therapeutics
ANIK
$274M
| $7.04M | 0.01% |
481,417
-20,800
| -4% | -$308K |
2013 Q2
52 quarters
|
|
1257
Bit Digital
BTBT
$325M
| $7.04M | 0.01% |
3,912,096
-3,447,281
| -47% | -$6.07M |
2025 Q4
2 quarters
|
|
1258
Kingstone Companies
KINS
$280M
| $7.04M | 0.01% |
369,889
-23,600
| -6% | -$380K |
2014 Q4
46 quarters
|
|
1259
Q2 Holdings
QTWO
$4.11B
| $7.03M | 0.01% |
146,200
-67,700
| -32% | -$3.21M |
2022 Q2
16 quarters
|
|
1260
Syndax Pharmaceuticals
SNDX
$1.18B
| $7.03M | 0.01% |
321,600
-176,600
| -35% | -$3.67M |
2024 Q4
6 quarters
|
|
1261
NRC Health Common Stock
NRC
$458M
| $7.02M | 0.01% |
325,384
-15,400
| -5% | -$286K |
2013 Q2
52 quarters
|
|
1262
California Water Service
CWT
$2.87B
| $7.02M | 0.01% |
144,200
+43,800
| +44% | +$1.98M |
2024 Q4
6 quarters
|
|
1263
Full Truck Alliance
YMM
$9.17B
| $7.01M | 0.01% |
863,800
-532,829
| -38% | -$4.53M |
2026 Q1
1 quarter
|
|
1264
The Greenbrier Companies
GBX
$1.16B
| $7M | 0.01% |
+142,800
| New | +$7.02M |
2026 Q2
0 quarters
|
|
1265
State Street SPDR Portfolio S&P 500 Value ETF
SPYV
$38.1B
| $7M | 0.01% |
115,100
+102,200
| +792% | +$6.12M |
2026 Q1
1 quarter
|
|
1266
Aveanna Healthcare
AVAH
$2.78B
| $6.99M | 0.01% |
816,116
-89,827
| -10% | -$633K |
2022 Q4
14 quarters
|
|
1267
Digi International
DGII
$2.84B
| $6.97M | 0.01% |
92,984
-7,109
| -7% | -$441K |
2024 Q4
6 quarters
|
|
1268
Bar Harbor Bankshares
BHB
$649M
| $6.97M | 0.01% |
184,484
+200
| +0.1% | +$7.03K |
2013 Q2
52 quarters
|
|
1269
Community West Bancshares
CWBC
$698M
| $6.97M | 0.01% |
259,325
+115,617
| +80% | +$2.81M |
2016 Q2
40 quarters
|
|
1270
Paymentus
PAY
$4.15B
| $6.97M | 0.01% |
288,297
+205,200
| +247% | +$5.04M |
2025 Q4
2 quarters
|
|
1271
Bioventus
BVS
$953M
| $6.95M | 0.01% |
736,000
+246,540
| +50% | +$2.35M |
2023 Q3
11 quarters
|
|
1272
Gorman-Rupp
GRC
$1.91B
| $6.91M | 0.01% |
75,300
-64,731
| -46% | -$4.92M |
2016 Q1
41 quarters
|
|
1273
SmartFinancial
SMBK
$857M
| $6.91M | 0.01% |
147,181
-5,093
| -3% | -$216K |
2017 Q1
37 quarters
|
|
1274
Tejon Ranch
TRC
$436M
| $6.89M | 0.01% |
368,648
+19,900
| +6% | +$385K |
2018 Q3
31 quarters
|
|
1275
Bank of N.T. Butterfield & Son
NTB
$2.33B
| $6.87M | 0.01% |
115,500
+77,500
| +204% | +$4.38M |
2025 Q4
2 quarters
|
|
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Jim Simons's Q2 2026 Portfolio in Review
As of Q2 2026, Jim Simons held 3,761 positions worth $72.6B, up 14% from $63.9B the previous quarter. Its ten largest holdings account for 12% of the portfolio.
Jim Simons's Q2 2026 filing shows 548 new, 1,084 increased, 1,502 reduced and 621 closed positions. Its largest new stake was Amazon: 2,290,710 shares worth $546M. The largest sale was Micron Technology, an estimated $1.46B.
By sector, the portfolio is most concentrated in Technology at 24% of assets, up from 22% a quarter earlier, followed by Healthcare and Consumer Discretionary.
- Jim Simons's largest Q2 2026 buy was Amazon: 2,290,710 shares worth $546M.
- Jim Simons added most to Meta Platforms (Facebook) in Q2 2026, an estimated $1.08B increase.
- Jim Simons's biggest Q2 2026 reduction was Micron Technology, cutting an estimated $1.46B.
- Jim Simons fully exited Applovin in Q2 2026, selling an estimated $174M.
- Jim Simons's ten largest holdings make up 12% of its $72.6B portfolio in Q2 2026.
- Jim Simons opened 548 new positions and closed 621 in Q2 2026.
- Jim Simons's portfolio value rose 14% quarter-over-quarter to $72.6B.
Based on Renaissance Technologies's 13F filing for Q2 2026, filed 13 Aug 2026.