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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 | |
|---|---|---|---|---|---|---|---|
326
Ituran Location and Control
ITRN
$986M
| $51.4M | 0.07% |
843,300
-48,900
| -5% | -$2.91M |
2013 Q2
52 quarters
|
|
327
Kanzhun
BZ
$7.33B
| $51.2M | 0.07% |
3,979,467
-1,719,200
| -30% | -$23.6M |
2021 Q4
18 quarters
|
|
328
IDT Corp
IDT
$2B
| $51.1M | 0.07% |
879,008
-67,005
| -7% | -$3.55M |
2013 Q2
52 quarters
|
|
329
Marqeta
MQ
$1.95B
| $50.4M | 0.07% |
3,104,883
+209,811
| +7% | +$3.41M |
2022 Q1
17 quarters
|
|
330
Amkor Technology
AMKR
$10.4B
| $50.1M | 0.07% |
+580,600
| New | +$41.4M |
2026 Q2
0 quarters
|
|
331
HubSpot
HUBS
$11.5B
| $49.7M | 0.07% |
272,300
+102,560
| +60% | +$21.4M |
2026 Q1
1 quarter
|
|
332
Griffon
GFF
$4.21B
| $49.6M | 0.07% |
508,751
-38,600
| -7% | -$3.37M |
2022 Q2
16 quarters
|
|
333
Ameren
AEE
$29.4B
| $49.5M | 0.07% |
438,200
+150,000
| +52% | +$16.6M |
2025 Q4
2 quarters
|
|
334
Collegium Pharmaceutical
COLL
$755M
| $49.5M | 0.07% |
1,366,549
-102,900
| -7% | -$3.52M |
2019 Q2
28 quarters
|
|
335
FedEx
FDX
$69.5B
| $49.4M | 0.07% |
+157,913
| New | +$57.4M |
2026 Q2
0 quarters
|
|
336
Markel Group
MKL
$22.9B
| $49.4M | 0.07% |
25,301
-9,320
| -27% | -$17.4M |
2021 Q4
18 quarters
|
|
337
ITT
ITT
$17.7B
| $49.3M | 0.07% |
249,200
-112,875
| -31% | -$22.8M |
2025 Q4
2 quarters
|
|
338
Royal Bank of Canada
RY
$274B
| $49.3M | 0.07% |
+237,994
| New | +$44.2M |
2026 Q2
0 quarters
|
|
339
Datadog
DDOG
$88.7B
| $49.2M | 0.07% |
189,093
-102,855
| -35% | -$19.1M |
2021 Q3
19 quarters
|
|
340
American Public Education
APEI
$900M
| $48.9M | 0.07% |
910,620
-9,600
| -1% | -$528K |
2013 Q2
52 quarters
|
|
341
SunocoCorp LLC
SUNC
$3.73B
| $48.8M | 0.07% |
721,000
+229,500
| +47% | +$15M |
2026 Q1
1 quarter
|
|
342
Public Service Enterprise Group
PEG
$35.6B
| $48.7M | 0.07% |
600,500
+591,000
| +6,221% | +$47.2M |
2025 Q1
5 quarters
|
|
343
Freeport-McMoran
FCX
$100B
| $48.3M | 0.07% |
768,510
-2,285,379
| -75% | -$147M |
2025 Q4
2 quarters
|
|
344
Buckle
BKE
$2.4B
| $48.1M | 0.07% |
1,139,852
-27,900
| -2% | -$1.38M |
2019 Q2
28 quarters
|
|
345
First Citizens BancShares
FCNCA
$24B
| $48M | 0.07% |
23,086
+7,800
| +51% | +$15.6M |
2025 Q3
3 quarters
|
|
346
Eversource Energy
ES
$25.2B
| $47.9M | 0.07% |
663,180
+634,000
| +2,173% | +$43.9M |
2026 Q1
1 quarter
|
|
347
Telkom Indonesia
TLK
$10.9B
| $47.9M | 0.07% |
3,563,314
-23,100
| -0.6% | -$385K |
2014 Q4
46 quarters
|
|
348
Verisk Analytics
VRSK
$24.8B
| $47.8M | 0.07% |
266,280
-174,140
| -40% | -$30.7M |
2025 Q4
2 quarters
|
|
349
GoDaddy
GDDY
$13.4B
| $47.6M | 0.07% |
561,300
+8,000
| +1% | +$675K |
2023 Q4
10 quarters
|
|
350
Crown Castle
CCI
$35B
| $47.4M | 0.07% |
626,203
-230,034
| -27% | -$20.2M |
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.