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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 | |
|---|---|---|---|---|---|---|---|
801
Agilon Health
AGL
$1.49B
| $16.3M | 0.02% |
152,214
+3,171
| +2% | +$208K |
2024 Q3
7 quarters
|
|
802
Blue Bird Corp
BLBD
$1.9B
| $16.3M | 0.02% |
206,536
-161,004
| -44% | -$10.9M |
2016 Q3
39 quarters
|
|
803
Xcel Energy
XEL
$46.9B
| $16.3M | 0.02% |
203,074
-340,526
| -63% | -$27.2M |
2025 Q4
2 quarters
|
|
804
Privia Health
PRVA
$2.87B
| $16.3M | 0.02% |
632,700
-143,800
| -19% | -$3.33M |
2024 Q2
8 quarters
|
|
805
L3Harris
LHX
$45.4B
| $16.3M | 0.02% |
+55,980
| New | +$17.8M |
2026 Q2
0 quarters
|
|
806
Armstrong World Industries
AWI
$7.07B
| $16.3M | 0.02% |
101,400
-17,300
| -15% | -$2.83M |
2025 Q3
3 quarters
|
|
807
LeMaitre Vascular
LMAT
$1.88B
| $16.3M | 0.02% |
169,502
+31,000
| +22% | +$3.18M |
2020 Q4
22 quarters
|
|
808
Unum
UNM
$14.5B
| $16.2M | 0.02% |
181,400
+84,900
| +88% | +$7.04M |
2026 Q1
1 quarter
|
|
809
WIX.com
WIX
$3.22B
| $16.1M | 0.02% |
355,349
-220,700
| -38% | -$13.6M |
2022 Q1
17 quarters
|
|
810
Foster
FSTR
$369M
| $16.1M | 0.02% |
356,350
+39,968
| +13% | +$1.49M |
2014 Q4
46 quarters
|
|
811
HEICO Corp
HEI
$43.1B
| $16.1M | 0.02% |
45,124
-128,360
| -74% | -$39M |
2025 Q3
3 quarters
|
|
812
Nathan's Famous
NATH
$417M
| $16.1M | 0.02% |
158,056
+3,700
| +2% | +$374K |
2013 Q2
52 quarters
|
|
813
LSI Industries
LYTS
$727M
| $16.1M | 0.02% |
604,122
-183,830
| -23% | -$4.25M |
2015 Q2
44 quarters
|
|
814
Grupo Aeroportuario Centro Norte
OMAB
$4.45B
| $16M | 0.02% |
141,800
-14,400
| -9% | -$1.55M |
2014 Q3
47 quarters
|
|
815
RELX
RELX
$68.2B
| $16M | 0.02% |
506,130
-482,200
| -49% | -$16.3M |
2014 Q3
47 quarters
|
|
816
Chewy
CHWY
$8.25B
| $16M | 0.02% |
+814,100
| New | +$18.5M |
2026 Q2
0 quarters
|
|
817
Telefônica Brasil
VIV
$20.1B
| $15.9M | 0.02% |
1,209,653
-260,247
| -18% | -$3.8M |
2017 Q2
36 quarters
|
|
818
HEICO Corp Class A
HEI.A
$32.6B
| $15.9M | 0.02% |
61,587
-85,460
| -58% | -$19.5M |
2025 Q4
2 quarters
|
|
819
Loews
L
$22.5B
| $15.9M | 0.02% |
140,300
-198,900
| -59% | -$21.6M |
2023 Q2
12 quarters
|
|
820
Rackspace Technology
RXT
$698M
| $15.9M | 0.02% |
2,429,758
+388,158
| +19% | +$1.51M |
2022 Q1
17 quarters
|
|
821
BlackRock Flexible Income ETF
BINC
$16.5B
| $15.8M | 0.02% |
+301,000
| New | +$15.7M |
2026 Q2
0 quarters
|
|
822
Viavi Solutions
VIAV
$8.6B
| $15.7M | 0.02% |
328,300
+218,300
| +198% | +$10.5M |
2024 Q3
7 quarters
|
|
823
Popular Inc
BPOP
$10.1B
| $15.7M | 0.02% |
+95,425
| New | +$14.4M |
2026 Q2
0 quarters
|
|
824
TD Synnex
SNX
$19.8B
| $15.6M | 0.02% |
58,528
-103,500
| -64% | -$24.9M |
2025 Q3
3 quarters
|
|
825
State Street SPDR Bloomberg High Yield Bond ETF
JNK
$5.71B
| $15.6M | 0.02% |
161,700
+157,200
| +3,493% | +$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.