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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 | |
|---|---|---|---|---|---|---|---|
1376
Optimum Communications Inc
OPTU
$259M
| $5.77M | 0.01% |
3,976,900
+45,300
| +1% | +$56.3K |
2022 Q2
16 quarters
|
|
1377
iShares Russell 3000 ETF
IWV
$20.5B
| $5.76M | 0.01% |
+13,520
| New | +$5.57M |
2026 Q2
0 quarters
|
|
1378
PennyMac Financial
PFSI
$3.1B
| $5.76M | 0.01% |
+66,100
| New | +$5.75M |
2026 Q2
0 quarters
|
|
1379
ThredUp
TDUP
$301M
| $5.74M | 0.01% |
838,400
-573,153
| -41% | -$2.68M |
2022 Q3
15 quarters
|
|
1380
Diana Shipping
DSX
$323M
| $5.73M | 0.01% |
2,730,680
-253,533
| -8% | -$626K |
2013 Q2
52 quarters
|
|
1381
Madison Square Garden
MSGE
$3.81B
| $5.73M | 0.01% |
70,800
-119,000
| -63% | -$8.12M |
2026 Q1
1 quarter
|
|
1382
Emergent Biosolutions
EBS
$323M
| $5.73M | 0.01% |
683,247
+27,200
| +4% | +$228K |
2023 Q4
10 quarters
|
|
1383
iShares MSCI World ETF
URTH
$8.74B
| $5.71M | 0.01% |
+28,200
| New | +$5.58M |
2026 Q2
0 quarters
|
|
1384
FVCBankcorp
FVCB
$318M
| $5.71M | 0.01% |
326,525
+210,050
| +180% | +$3.35M |
2019 Q3
27 quarters
|
|
1385
Rigel Pharmaceuticals
RIGL
$908M
| $5.71M | 0.01% |
145,846
-192,595
| -57% | -$5.94M |
2021 Q4
18 quarters
|
|
1386
The RealReal
REAL
$1.3B
| $5.71M | 0.01% |
483,900
-1,162,300
| -71% | -$12.4M |
2024 Q4
6 quarters
|
|
1387
Vizsla Silver
VZLA
$1.18B
| $5.69M | 0.01% |
1,725,700
-74,528
| -4% | -$259K |
2026 Q1
1 quarter
|
|
1388
Alexander's
ALX
$1.22B
| $5.68M | 0.01% |
20,620
-4,900
| -19% | -$1.22M |
2013 Q2
52 quarters
|
|
1389
Quad
QUAD
$484M
| $5.67M | 0.01% |
672,900
-49,500
| -7% | -$372K |
2014 Q1
49 quarters
|
|
1390
Integra Resources
ITRG
$483M
| $5.66M | 0.01% |
2,494,070
+397,171
| +19% | +$1.07M |
2021 Q4
18 quarters
|
|
1391
The Ensign Group
ENSG
$10.2B
| $5.66M | 0.01% |
35,300
+13,900
| +65% | +$2.45M |
2026 Q1
1 quarter
|
|
1392
Simmons First National
SFNC
$3.3B
| $5.65M | 0.01% |
249,557
-55,100
| -18% | -$1.18M |
2024 Q1
9 quarters
|
|
1393
Mama's Creations
MAMA
$610M
| $5.65M | 0.01% |
316,400
-44,200
| -12% | -$670K |
2023 Q2
12 quarters
|
|
1394
iShares MSCI EAFE Small-Cap ETF
SCZ
$12.9B
| $5.64M | 0.01% |
68,600
-5,867
| -8% | -$491K |
2025 Q4
2 quarters
|
|
1395
STRATTEC Security
STRT
$239M
| $5.64M | 0.01% |
69,206
-24,600
| -26% | -$1.87M |
2013 Q2
52 quarters
|
|
1396
Olin
OLN
$1.7B
| $5.62M | 0.01% |
+283,500
| New | +$7.41M |
2026 Q2
0 quarters
|
|
1397
Design Therapeutics
DSGN
$670M
| $5.61M | 0.01% |
387,913
-20,287
| -5% | -$253K |
2023 Q1
13 quarters
|
|
1398
SS&C Technologies
SSNC
$20.4B
| $5.59M | 0.01% |
+90,100
| New | +$6.11M |
2026 Q2
0 quarters
|
|
1399
Employers Holdings
EIG
$924M
| $5.58M | 0.01% |
110,560
+12,860
| +13% | +$564K |
2014 Q2
48 quarters
|
|
1400
iShares Core International Aggregate Bond Fund
IAGG
$12.6B
| $5.58M | 0.01% |
110,296
+51,596
| +88% | +$2.59M |
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.