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Jim Simons

Jim Simons Renaissance Technologies

AUM $63.9B
1-Year Est. Return 45.56%
 

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
+16.99%
1 Year Est. Return
+45.56%
3 Year Est. Return
+129.95%
5 Year Est. Return
+153.6%
10 Year Est. Return
+738.31%
AUM
$75.2B
AUM Growth
+$9.1B
Cap. Flow
+$1.81B
Cap. Flow %
2.4%
Top 10 Hldgs %
12.06%
Holding
4,018
New
612
Increased
1,577
Reduced
1,314
Closed
496

Top Buys

Rank Stock Value
1
NVDA icon
NVIDIA
NVDA
+$798M
2
NFLX icon
Netflix
NFLX
+$608M
3
UNH icon
UnitedHealth
UNH
+$517M
4
AAPL icon
Apple
AAPL
+$461M
5
GEV icon
GE Vernova
GEV
+$296M

Top Sells

Rank Stock Value
1
AVGO icon
Broadcom
AVGO
+$527M
2
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$372M
3
META icon
Meta Platforms (Facebook)
META
+$362M
4
AMD icon
Advanced Micro Devices
AMD
+$328M
5
PLTR icon
Palantir
PLTR
+$327M

Sector Composition

Rank Sector Weight
1 Technology 19.57%
2 Healthcare 15.8%
3 Consumer Discretionary 12.38%
4 Financials 11.53%
5 Industrials 8.92%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
FFIN icon
3651
First Financial Bankshares
FFIN
$5.03B
– –
-6,500
Closed -$233K
FLGT icon
3652
Fulgent Genetics
FLGT
$515M
– –
-10,400
Closed -$176K
FLIC
3653
DELISTED
First of Long Island Corp
FLIC
– –
-542,350
Closed -$6.7M
FNCL icon
3654
Fidelity MSCI Financials Index ETF
FNCL
$2.43B
– –
-9,600
Closed -$667K
FNDA icon
3655
Schwab Fundamental US Small Company Index ETF
FNDA
$9.44B
– –
-40,100
Closed -$1.1M
FNDE icon
3656
Schwab Fundamental Emerging Markets Large Company Index ETF
FNDE
$9.95B
– –
-20,900
Closed -$644K
FNDF icon
3657
Schwab Fundamental International Large Company Index ETF
FNDF
$25.8B
– –
-61,300
Closed -$2.22M
FNF icon
3658
Fidelity National Financial
FNF
$13.1B
– –
-123,109
Closed -$8.01M
FNKO icon
3659
Funko
FNKO
$338M
– –
-308,844
Closed -$2.12M
FOX icon
3660
Fox Class B
FOX
$24.2B
– –
-38,500
Closed -$2.03M
FRME icon
3661
First Merchants
FRME
$2.71B
– –
-6,100
Closed -$247K
FRT icon
3662
Federal Realty Investment Trust
FRT
$10.3B
– –
-111,000
Closed -$10.9M
FTSM icon
3663
First Trust Enhanced Short Maturity ETF
FTSM
$6.54B
– –
-1,519,844
Closed -$90.9M
FV icon
3664
First Trust Dorsey Wright Focus 5 ETF
FV
$3.84B
– –
-20,400
Closed -$1.12M
FWRD icon
3665
Forward Air
FWRD
$683M
– –
-132,139
Closed -$2.65M
GAN
3666
DELISTED
GAN Ltd
GAN
– –
-1,295,994
Closed -$2.29M
GBIL icon
3667
Goldman Sachs Access Treasury 0-1 Year ETF
GBIL
$7.59B
– –
-1,129,400
Closed -$113M
GCO icon
3668
Genesco
GCO
$390M
– –
-58,100
Closed -$1.23M
GCOW icon
3669
Pacer Global Cash Cows Dividend ETF
GCOW
$3.47B
– –
-41,189
Closed -$1.52M
GDS icon
3670
GDS Holdings
GDS
$6.99B
– –
-409,385
Closed -$10.4M
GDXD icon
3671
MicroSectors Gold Miners -3x Inverse Leveraged ETN
GDXD
$685M
– –
-1,080
Closed -$1.35M
GEHC icon
3672
GE HealthCare
GEHC
$33.2B
– –
-392,600
Closed -$31.7M
GENK icon
3673
GEN Restaurant Group
GENK
$10.4M
– –
-26,400
Closed -$146K
GETY icon
3674
Getty Images
GETY
$134M
– –
-41,200
Closed -$71.3K
GIPR icon
3675
Generation Income Properties
GIPR
$752K
– –
-1,080
Closed -$17.3K
145 146
147
148 149

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Jim Simons's Q2 2025 Portfolio in Review

As of Q2 2025, Jim Simons held 4,018 positions worth $75.2B, up 14% from $66.1B the previous quarter. Its ten largest holdings account for 12% of the portfolio.

Jim Simons's Q2 2025 filing shows 612 new, 1,577 increased, 1,314 reduced and 496 closed positions. Its largest new stake was UnitedHealth: 1,352,129 shares worth $422M. The largest sale was Broadcom, an estimated $527M.

By sector, the portfolio is most concentrated in Technology at 20% of assets, up from 17% a quarter earlier, followed by Healthcare and Consumer Discretionary.

  • Jim Simons's largest Q2 2025 buy was UnitedHealth: 1,352,129 shares worth $422M.
  • Jim Simons added most to NVIDIA in Q2 2025, an estimated $798M increase.
  • Jim Simons's biggest Q2 2025 reduction was Broadcom, cutting an estimated $527M.
  • Jim Simons fully exited Advanced Micro Devices in Q2 2025, selling an estimated $328M.
  • Jim Simons's ten largest holdings make up 12% of its $75.2B portfolio in Q2 2025.
  • Jim Simons opened 612 new positions and closed 496 in Q2 2025.
  • Jim Simons's portfolio value rose 14% quarter-over-quarter to $75.2B.

Based on Renaissance Technologies's 13F filing for Q2 2025, filed 13 Aug 2025.