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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 | |
|---|---|---|---|---|---|---|---|
1351
First Financial Bancorp
FFBC
$3.32B
| $6.01M | 0.01% |
177,602
-94,716
| -35% | -$2.89M |
2026 Q1
1 quarter
|
|
1352
Gentherm
THRM
$1.56B
| $6M | 0.01% |
175,982
-95,482
| -35% | -$3.07M |
2025 Q1
5 quarters
|
|
1353
Gran Tierra Energy
GTE
$404M
| $6M | 0.01% |
960,360
+183,680
| +24% | +$1.5M |
2021 Q2
20 quarters
|
|
1354
Vaalco Energy
EGY
$650M
| $6M | 0.01% |
1,181,526
-119,500
| -9% | -$688K |
2013 Q2
52 quarters
|
|
1355
State Street SPDR Portfolio Intermediate Term Treasury ETF
SPTI
$10.8B
| $6M | 0.01% |
211,304
-5,396
| -2% | -$153K |
2025 Q2
4 quarters
|
|
1356
Limbach Holdings
LMB
$571M
| $5.99M | 0.01% |
77,771
-52,400
| -40% | -$4.36M |
2019 Q2
28 quarters
|
|
1357
DRDGold
DRD
$2.25B
| $5.98M | 0.01% |
280,920
-68,725
| -20% | -$1.86M |
2013 Q2
52 quarters
|
|
1358
iShares S&P 500 Value ETF
IVE
$50.4B
| $5.98M | 0.01% |
+26,320
| New | +$5.88M |
2026 Q2
0 quarters
|
|
1359
Cullen/Frost Bankers
CFR
$9.7B
| $5.96M | 0.01% |
38,600
-53,300
| -58% | -$7.57M |
2025 Q1
5 quarters
|
|
1360
Helen of Troy
HELE
$676M
| $5.95M | 0.01% |
204,810
+165,200
| +417% | +$3.91M |
2026 Q1
1 quarter
|
|
1361
Richardson Electronics
RELL
$288M
| $5.95M | 0.01% |
313,177
-30,300
| -9% | -$474K |
2013 Q2
52 quarters
|
|
1362
Fastly Inc
FSLY
$3.77B
| $5.95M | 0.01% |
324,200
-194,154
| -37% | -$4.22M |
2025 Q2
4 quarters
|
|
1363
Cullinan Oncology
CGEM
$969M
| $5.95M | 0.01% |
326,811
+2,700
| +0.8% | +$40.1K |
2022 Q2
16 quarters
|
|
1364
Avantis US Small Cap Value ETF
AVUV
$31.3B
| $5.95M | 0.01% |
47,692
-11,108
| -19% | -$1.32M |
2024 Q4
6 quarters
|
|
1365
First Hawaiian
FHB
$3.09B
| $5.93M | 0.01% |
202,400
-46,500
| -19% | -$1.27M |
2017 Q1
37 quarters
|
|
1366
Inhibrx
INBX
$1.46B
| $5.89M | 0.01% |
62,201
+12,018
| +24% | +$1.2M |
2025 Q3
3 quarters
|
|
1367
First Community Corp
FCCO
$309M
| $5.86M | 0.01% |
179,436
+54,108
| +43% | +$1.66M |
2017 Q4
34 quarters
|
|
1368
Host Hotels & Resorts
HST
$17.3B
| $5.86M | 0.01% |
247,313
-664,400
| -73% | -$14.8M |
2025 Q1
5 quarters
|
|
1369
Geron
GERN
$771M
| $5.86M | 0.01% |
4,579,000
+2,779,479
| +154% | +$3.92M |
2024 Q4
6 quarters
|
|
1370
Gencor Industries
GENC
$258M
| $5.86M | 0.01% |
392,687
+9,679
| +3% | +$143K |
2013 Q2
52 quarters
|
|
1371
State Street SPDR S&P Bank ETF
KBE
$1.4B
| $5.86M | 0.01% |
85,854
+50,754
| +145% | +$3.25M |
2026 Q1
1 quarter
|
|
1372
Flowers Foods
FLO
$1.22B
| $5.86M | 0.01% |
741,302
-770,300
| -51% | -$6.17M |
2017 Q2
36 quarters
|
|
1373
CryoPort
CYRX
$937M
| $5.85M | 0.01% |
372,405
+4,295
| +1% | +$55.1K |
2024 Q4
6 quarters
|
|
1374
Alamo Group
ALG
$1.8B
| $5.79M | 0.01% |
35,200
+18,800
| +115% | +$3.04M |
2024 Q2
8 quarters
|
|
1375
Equifax
EFX
$20.5B
| $5.78M | 0.01% |
+36,395
| New | +$6.2M |
2026 Q2
0 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.