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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 | |
|---|---|---|---|---|---|---|---|
151
Boston Scientific
BSX
$64.3B
| $103M | 0.14% |
2,412,005
-740,000
| -23% | -$40.2M |
2025 Q1
5 quarters
|
|
152
Ryanair
RYAAY
$27.2B
| $101M | 0.14% |
1,566,946
-250,000
| -14% | -$14.7M |
2013 Q2
52 quarters
|
|
153
T-Mobile US
TMUS
$171B
| $101M | 0.14% |
604,607
+323,800
| +115% | +$61.3M |
2025 Q1
5 quarters
|
|
154
Pan American Silver
PAAS
$18.3B
| $101M | 0.14% |
2,261,697
+959,471
| +74% | +$51.4M |
2026 Q1
1 quarter
|
|
155
Zoetis
ZTS
$32.8B
| $101M | 0.14% |
1,403,300
+1,151,300
| +457% | +$108M |
2025 Q2
4 quarters
|
|
156
Legence Corp
LGN
$3.35B
| $101M | 0.14% |
1,180,400
+600,700
| +104% | +$48.9M |
2025 Q4
2 quarters
|
|
157
Toro Company
TTC
$9.5B
| $100M | 0.14% |
1,028,000
+17,700
| +2% | +$1.65M |
2024 Q2
8 quarters
|
|
158
State Street Health Care Select Sector SPDR ETF
XLV
$45.8B
| $100M | 0.14% |
628,300
+536,600
| +585% | +$79.8M |
2026 Q1
1 quarter
|
|
159
Grupo Aeroportuario del Pacifico
PAC
$12.1B
| $99.1M | 0.14% |
391,300
-24,500
| -6% | -$6.02M |
2013 Q2
52 quarters
|
|
160
Toronto Dominion Bank
TD
$197B
| $99M | 0.14% |
815,280
+719,100
| +748% | +$78.7M |
2024 Q3
7 quarters
|
|
161
Williams-Sonoma
WSM
$29.5B
| $97.9M | 0.13% |
419,900
-260,600
| -38% | -$51.6M |
2024 Q1
9 quarters
|
|
162
Genmab
GMAB
$22.8B
| $96.6M | 0.13% |
3,517,850
-896,700
| -20% | -$23.8M |
2020 Q1
25 quarters
|
|
163
Brookdale Senior Living
BKD
$2.41B
| $95.8M | 0.13% |
5,953,464
-1,710,100
| -22% | -$23.3M |
2017 Q4
34 quarters
|
|
164
Veralto
VLTO
$24.6B
| $95.7M | 0.13% |
1,078,600
-313,500
| -23% | -$27.2M |
2023 Q4
10 quarters
|
|
165
CorVel
CRVL
$4.03B
| $95.6M | 0.13% |
1,529,530
-88,300
| -5% | -$5.15M |
2013 Q2
52 quarters
|
|
166
Microchip Technology
MCHP
$40.1B
| $95.4M | 0.13% |
1,045,956
+1,017,600
| +3,589% | +$90.7M |
2025 Q3
3 quarters
|
|
167
Cigna
CI
$79.9B
| $95.2M | 0.13% |
345,499
+126,560
| +58% | +$35.8M |
2025 Q1
5 quarters
|
|
168
McDonald's
MCD
$172B
| $94.9M | 0.13% |
351,136
-191,628
| -35% | -$54.9M |
2025 Q1
5 quarters
|
|
169
Target
TGT
$70.1B
| $94.8M | 0.13% |
725,600
+315,100
| +77% | +$40M |
2025 Q1
5 quarters
|
|
170
Oscar Health
OSCR
$9.8B
| $93.7M | 0.13% |
+3,284,500
| New | +$70.7M |
2026 Q2
0 quarters
|
|
171
Duke Energy
DUK
$94.7B
| $93.6M | 0.13% |
739,550
+736,750
| +26,313% | +$92.9M |
2024 Q3
7 quarters
|
|
172
Xylem
XYL
$24.3B
| $93.4M | 0.13% |
790,471
-1,300
| -0.2% | -$150K |
2024 Q3
7 quarters
|
|
173
Forgent Power Solutions
FPS
$8.7B
| $93.3M | 0.13% |
+1,669,700
| New | +$76.2M |
2026 Q2
0 quarters
|
|
174
Autodesk
ADSK
$50.1B
| $92.9M | 0.13% |
477,868
+192,180
| +67% | +$43.9M |
2025 Q2
4 quarters
|
|
175
Best Buy
BBY
$19.4B
| $92.7M | 0.13% |
1,221,600
-227,839
| -16% | -$15.1M |
2024 Q1
9 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.