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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 | |
|---|---|---|---|---|---|---|---|
2576
Ideal Power
IPWR
$49.8M
| $540K | ﹤0.01% |
+100,754
| New | +$513K |
2026 Q2
0 quarters
|
|
2577
Fidelity D&D Bancorp
FDBC
$343M
| $539K | ﹤0.01% |
10,491
-800
| -7% | -$37.3K |
2022 Q2
16 quarters
|
|
2578
DELISTED
DigitalBridge
DBRG
| $539K | ﹤0.01% |
34,176
-470,936
| -93% | -$7.37M |
2023 Q4
10 quarters
|
|
2579
Precision BioSciences
DTIL
$185M
| $539K | ﹤0.01% |
68,577
-154,600
| -69% | -$1.09M |
2021 Q4
18 quarters
|
|
2580
Aptera Motors
SEV
$56.5M
| $539K | ﹤0.01% |
219,900
-46,235
| -17% | -$119K |
2026 Q1
1 quarter
|
|
2581
Chiron Real Estate Inc
XRN
$382M
| $536K | ﹤0.01% |
14,297
-4,200
| -23% | -$149K |
2017 Q4
34 quarters
|
|
2582
Canton Strategic Holdings
CNTN
$154M
| $535K | ﹤0.01% |
189,628
-372,372
| -66% | -$1.18M |
2026 Q1
1 quarter
|
|
2583
Pyxis Tankers
PXS
$74.5M
| $533K | ﹤0.01% |
128,201
+9,200
| +8% | +$41K |
2020 Q2
24 quarters
|
|
2584
Xeris Biopharma Holdings
XERS
$1.97B
| $533K | ﹤0.01% |
67,337
-385,523
| -85% | -$2.46M |
2020 Q1
25 quarters
|
|
2585
Accuray
ARAY
$16.4M
| $532K | ﹤0.01% |
2,065,284
-225,700
| -10% | -$84K |
2013 Q4
50 quarters
|
|
2586
DELISTED
NCS Multistage Holdings
NCSM
| $531K | ﹤0.01% |
12,040
-704
| -6% | -$38.6K |
2024 Q4
6 quarters
|
|
2587
Noodles & Co
NDLS
$74.8M
| $530K | ﹤0.01% |
35,480
+22,134
| +166% | +$260K |
2025 Q1
5 quarters
|
|
2588
Union Bankshares
UNB
$114M
| $530K | ﹤0.01% |
21,852
+3,620
| +20% | +$87.1K |
2017 Q2
36 quarters
|
|
2589
NIQ Global Intelligence PLC
NIQ
$5.63B
| $529K | ﹤0.01% |
56,600
+24,100
| +74% | +$233K |
2026 Q1
1 quarter
|
|
2590
Regis Corp
RGS
$73.8M
| $528K | ﹤0.01% |
18,844
+3,800
| +25% | +$103K |
2024 Q3
7 quarters
|
|
2591
Sinclair Inc
SBGI
$917M
| $526K | ﹤0.01% |
36,921
-18,279
| -33% | -$263K |
2023 Q4
10 quarters
|
|
2592
T-Rex 2X Inverse Tesla Daily Target ETF
TSLZ
$22.3M
| $526K | ﹤0.01% |
49,400
+12,000
| +32% | +$158K |
2025 Q4
2 quarters
|
|
2593
Franklin Financial Services
FRAF
$283M
| $526K | ﹤0.01% |
8,400
-15,700
| -65% | -$907K |
2023 Q4
10 quarters
|
|
2594
Net Lease Office Properties
NLOP
$144M
| $522K | ﹤0.01% |
46,900
-11,500
| -20% | -$139K |
2023 Q4
10 quarters
|
|
2595
Hamilton Beach Brands
HBB
$448M
| $520K | ﹤0.01% |
22,600
-100
| -0.4% | -$2K |
2023 Q4
10 quarters
|
|
2596
LexinFintech Holdings
LX
$108M
| $520K | ﹤0.01% |
264,100
-1,064,162
| -80% | -$2.27M |
2025 Q4
2 quarters
|
|
2597
Stem
STEM
$32M
| $519K | ﹤0.01% |
66,482
+7,907
| +13% | +$73.3K |
2025 Q4
2 quarters
|
|
2598
Tradr 2X Long ASTS Daily ETF
ASTX
$105M
| $519K | ﹤0.01% |
+18,800
| New | +$660K |
2026 Q2
0 quarters
|
|
2599
Luxfer Holdings
LXFR
$466M
| $515K | ﹤0.01% |
28,558
-49,966
| -64% | -$780K |
2026 Q1
1 quarter
|
|
2600
Veru
VERU
$39.2M
| $515K | ﹤0.01% |
164,450
+95,200
| +137% | +$242K |
2026 Q1
1 quarter
|
|
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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.