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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 | |
|---|---|---|---|---|---|---|---|
301
IAMGOLD
IAG
$10.3B
| $55.4M | 0.08% |
3,496,315
-149,200
| -4% | -$2.61M |
2013 Q2
52 quarters
|
|
302
Tower Semiconductor
TSEM
$22.1B
| $55M | 0.08% |
211,049
-63,700
| -23% | -$15.3M |
2016 Q1
41 quarters
|
|
303
Ventas
VTR
$44B
| $54.9M | 0.08% |
617,761
-192,810
| -24% | -$16.4M |
2023 Q4
10 quarters
|
|
304
Snap-on
SNA
$19B
| $54.8M | 0.08% |
136,180
+23,160
| +20% | +$8.75M |
2021 Q2
20 quarters
|
|
305
Fiserv Inc
FISV
$25.3B
| $54.8M | 0.08% |
1,116,727
+448,500
| +67% | +$25.1M |
2025 Q2
4 quarters
|
|
306
Figma
FIG
$11.5B
| $54.8M | 0.08% |
3,027,800
+2,393,300
| +377% | +$48.2M |
2025 Q4
2 quarters
|
|
307
Emcor
EME
$31.8B
| $54.5M | 0.08% |
65,640
+65,040
| +10,840% | +$55M |
2026 Q1
1 quarter
|
|
308
Gaming and Leisure Properties
GLPI
$11.4B
| $54.3M | 0.07% |
1,220,130
-1,200
| -0.1% | -$56.1K |
2024 Q3
7 quarters
|
|
309
Liberty Global Class A
LBTYA
$2.66B
| $54.1M | 0.07% |
4,759,554
-130,300
| -3% | -$1.56M |
2018 Q3
31 quarters
|
|
310
Rush Street Interactive
RSI
$2.14B
| $54.1M | 0.07% |
1,817,500
-467,500
| -20% | -$12.3M |
2022 Q1
17 quarters
|
|
311
Tencent Music
TME
$14.1B
| $53.9M | 0.07% |
6,456,844
-113,500
| -2% | -$1.04M |
2019 Q4
26 quarters
|
|
312
Toast
TOST
$18.3B
| $53.8M | 0.07% |
1,935,128
-2,386,309
| -55% | -$62.2M |
2024 Q2
8 quarters
|
|
313
LATAM Airlines Group S.A.
LTM
$13.6B
| $53.5M | 0.07% |
918,400
-348,800
| -28% | -$17.9M |
2025 Q1
5 quarters
|
|
314
Evercore
EVR
$9.8B
| $53.3M | 0.07% |
156,180
-17,680
| -10% | -$6.05M |
2025 Q3
3 quarters
|
|
315
Cirrus Logic
CRUS
$5.41B
| $53.1M | 0.07% |
357,720
+131,200
| +58% | +$21.5M |
2021 Q1
21 quarters
|
|
316
BrightSpring Health Services
BTSG
$12B
| $53.1M | 0.07% |
+760,801
| New | +$42.2M |
2026 Q2
0 quarters
|
|
317
PayPal
PYPL
$48.5B
| $52.7M | 0.07% |
1,220,300
+1,027,100
| +532% | +$46.7M |
2026 Q1
1 quarter
|
|
318
First Majestic Silver
AG
$7.88B
| $52.5M | 0.07% |
3,092,824
+171,032
| +6% | +$3.39M |
2026 Q1
1 quarter
|
|
319
Star Bulk Carriers
SBLK
$3.23B
| $52.4M | 0.07% |
2,099,637
+32,000
| +2% | +$827K |
2016 Q3
39 quarters
|
|
320
Adobe
ADBE
$95.4B
| $52.3M | 0.07% |
254,958
-670,312
| -72% | -$159M |
2025 Q1
5 quarters
|
|
321
Aecom
ACM
$7.59B
| $52.1M | 0.07% |
746,877
+84,600
| +13% | +$6.47M |
2023 Q3
11 quarters
|
|
322
Gold Fields
GFI
$33.5B
| $51.9M | 0.07% |
1,545,400
+1,207,196
| +357% | +$50.3M |
2013 Q2
52 quarters
|
|
323
Accenture
ACN
$141B
| $51.8M | 0.07% |
416,528
+291,128
| +232% | +$50.5M |
2026 Q1
1 quarter
|
|
324
Mirum Pharmaceuticals
MIRM
$5.2B
| $51.8M | 0.07% |
442,185
-139,900
| -24% | -$14M |
2024 Q3
7 quarters
|
|
325
Healthcare Realty
HR
$5.99B
| $51.7M | 0.07% |
2,561,272
+1,012,100
| +65% | +$19.7M |
2025 Q3
3 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.