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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 | |
|---|---|---|---|---|---|---|---|
1476
Allient
ALNT
$1.66B
| $4.92M | 0.01% |
47,779
-52,393
| -52% | -$4.04M |
2013 Q2
52 quarters
|
|
1477
First United
FUNC
$284M
| $4.9M | 0.01% |
111,195
+7,600
| +7% | +$297K |
2019 Q1
29 quarters
|
|
1478
Valaris
VAL
$6.37B
| $4.89M | 0.01% |
67,400
-95,300
| -59% | -$8.87M |
2025 Q2
4 quarters
|
|
1479
Caribou Biosciences
CRBU
$58.4M
| $4.88M | 0.01% |
2,773,545
+183,048
| +7% | +$362K |
2025 Q2
4 quarters
|
|
1480
US Physical Therapy
USPH
$1.29B
| $4.88M | 0.01% |
70,997
-5,959
| -8% | -$405K |
2013 Q2
52 quarters
|
|
1481
NerdWallet
NRDS
$668M
| $4.87M | 0.01% |
527,000
-475,275
| -47% | -$4.45M |
2022 Q1
17 quarters
|
|
1482
Republic Services
RSG
$70.5B
| $4.87M | 0.01% |
22,861
-282,300
| -93% | -$59M |
2019 Q3
27 quarters
|
|
1483
PowerFleet Inc
AIOT
$348M
| $4.86M | 0.01% |
1,268,663
-262,062
| -17% | -$919K |
2013 Q2
52 quarters
|
|
1484
Viemed Healthcare
VMD
$371M
| $4.86M | 0.01% |
425,900
-16,300
| -4% | -$161K |
2019 Q3
27 quarters
|
|
1485
Cronos Group
CRON
$1.25B
| $4.84M | 0.01% |
1,742,149
-267,400
| -13% | -$717K |
2023 Q4
10 quarters
|
|
1486
iShares Russell Mid-Cap Growth ETF
IWP
$19.3B
| $4.84M | 0.01% |
+33,029
| New | +$4.55M |
2026 Q2
0 quarters
|
|
1487
Vanguard Health Care ETF
VHT
$20.1B
| $4.82M | 0.01% |
+16,120
| New | +$4.48M |
2026 Q2
0 quarters
|
|
1488
NEOS Nasdaq 100 High Income ETF
QQQI
$14.7B
| $4.82M | 0.01% |
+84,800
| New | +$4.66M |
2026 Q2
0 quarters
|
|
1489
Evergy
EVRG
$19.2B
| $4.8M | 0.01% |
55,502
-452,400
| -89% | -$37.5M |
2024 Q3
7 quarters
|
|
1490
eGain
EGAN
$148M
| $4.79M | 0.01% |
760,999
-77,426
| -9% | -$568K |
2015 Q3
43 quarters
|
|
1491
BRT Apartments
BRT
$241M
| $4.79M | 0.01% |
311,591
-8,700
| -3% | -$126K |
2013 Q2
52 quarters
|
|
1492
Hawkins
HWKN
$2.72B
| $4.79M | 0.01% |
+33,700
| New | +$5.33M |
2026 Q2
0 quarters
|
|
1493
Chesapeake Utilities
CPK
$3.28B
| $4.78M | 0.01% |
39,050
+29,400
| +305% | +$3.69M |
2026 Q1
1 quarter
|
|
1494
Federal Agricultural Mortgage
AGM
$2.16B
| $4.78M | 0.01% |
+24,000
| New | +$4.21M |
2026 Q2
0 quarters
|
|
1495
Cabaletta Bio
CABA
$261M
| $4.77M | 0.01% |
1,535,300
-501,363
| -25% | -$1.65M |
2024 Q4
6 quarters
|
|
1496
Pricesmart
PSMT
$5.29B
| $4.77M | 0.01% |
+24,400
| New | +$4.07M |
2026 Q2
0 quarters
|
|
1497
Burford Capital
BUR
$670M
| $4.76M | 0.01% |
1,161,900
+203,400
| +21% | +$929K |
2024 Q2
8 quarters
|
|
|
UROY
1498
Uranium Royalty Corp
UROY
$1.3B
| $4.76M | 0.01% |
1,713,479
+1,516,728
| +771% | +$5.32M |
2025 Q4
2 quarters
|
|
1499
Neighborhood Intelligence Inc
NXH
$154M
| $4.74M | 0.01% |
819,487
-221,613
| -21% | -$1.22M |
2025 Q4
2 quarters
|
|
1500
Sprout Social
SPT
$770M
| $4.74M | 0.01% |
627,362
-100,400
| -14% | -$653K |
2025 Q2
4 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.