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Jim Simons

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
Cap. Flow
+$958M
Cap. Flow %
1.32%
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 icon
Meta Platforms (Facebook)
META
+$1.08B
2
NVDA icon
NVIDIA
NVDA
+$938M
3
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$639M
4
NFLX icon
Netflix
NFLX
+$598M
5
AMZN icon
Amazon
AMZN
+$575M

Top Sells

Rank Stock Value
1
MU icon
Micron Technology
MU
+$1.46B
2
SNDK icon
Sandisk
SNDK
+$1.13B
3
AAPL icon
Apple
AAPL
+$426M
4
LIN icon
Linde
LIN
+$316M
5
VRT icon
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
FLNC icon
3326
Fluence Energy
FLNC
$840M
– –
-1,422,900
Closed -$19.6M –
FMC icon
3327
FMC
FMC
$820M
– –
-290,200
Closed -$5M –
FNDE icon
3328
Schwab Fundamental Emerging Markets Large Company Index ETF
FNDE
$10.4B
– –
-46,400
Closed -$1.78M –
FNDX icon
3329
Schwab Fundamental US Large Company Index ETF
FNDX
$28.1B
– –
-109,100
Closed -$3.04M –
FOLD icon
3330
DELISTED
Amicus Therapeutics
FOLD
– –
-1,872,893
Closed -$27.1M –
FORA icon
3331
DELISTED
Forian
FORA
– –
-41,300
Closed -$85.5K –
FR icon
3332
First Industrial Realty Trust
FR
$7.69B
– –
-4,500
Closed -$260K –
FRME icon
3333
First Merchants
FRME
$2.47B
– –
-18,788
Closed -$728K –
FRPT icon
3334
Freshpet
FRPT
$3.15B
– –
-58,400
Closed -$3.44M –
FSS icon
3335
Federal Signal
FSS
$6.88B
– –
-74,800
Closed -$8.09M –
FTAI icon
3336
FTAI Aviation
FTAI
$16.8B
– –
-212,900
Closed -$52.2M –
FTCI icon
3337
FTC Solar
FTCI
$25.9M
– –
-93,400
Closed -$353K –
FTCS icon
3338
First Trust Capital Strength ETF
FTCS
$7.72B
– –
-15,900
Closed -$1.47M –
FTGC icon
3339
First Trust Global Tactical Commodity Strategy Fund
FTGC
$3.43B
– –
-48,600
Closed -$1.4M –
FUTU icon
3340
Futu Holdings
FUTU
$14.8B
– –
-671,026
Closed -$91.8M –
FUTY icon
3341
Fidelity MSCI Utilities Index ETF
FUTY
$2.04B
– –
-7,100
Closed -$419K –
FXI icon
3342
iShares China Large-Cap ETF
FXI
$3.86B
– –
-283,200
Closed -$10.2M –
G icon
3343
Genpact
G
$6.31B
– –
-441,800
Closed -$16.5M –
GBTC icon
3344
Grayscale Bitcoin Trust
GBTC
$12.3B
– –
-60,950
Closed -$3.22M –
GDOT icon
3345
Green Dot
GDOT
$691M
– –
-61,400
Closed -$689K –
GDXD icon
3346
MicroSectors Gold Miners -3x Inverse Leveraged ETN
GDXD
$595M
– –
-5,248
Closed -$217K –
GEHC icon
3347
GE HealthCare
GEHC
$31.4B
– –
-254,100
Closed -$18.1M –
GEN icon
3348
Gen Digital
GEN
$14.1B
– –
-1,044,438
Closed -$19.7M –
GEVO icon
3349
Gevo
GEVO
$287M
– –
-2,215,194
Closed -$6.05M –
GFL icon
3350
GFL Environmental
GFL
$19.2B
– –
-458,847
Closed -$19.1M –
132 133
134
135 136

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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.