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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
SMC icon
3701
Summit Midstream
SMC
$423M
– –
-22,476
Closed -$680K –
GAP icon
3702
The Gap Inc
GAP
$8.12B
– –
-439,282
Closed -$10.6M –
PTIR icon
3703
GraniteShares 2x Long PLTR Daily ETF
PTIR
$333M
– –
-34,800
Closed -$570K –
TDTH
3704
Trident Digital Tech Holdings
TDTH
$87.7M
– –
-14,133
Closed -$81.1K –
EONR icon
3705
EON Resources
EONR
$25M
– –
-52,100
Closed -$43.2K –
FVR icon
3706
FrontView REIT
FVR
$419M
– –
-30,400
Closed -$470K –
CLIK icon
3707
Click Holdings
CLIK
$9.5M
– –
-14,200
Closed -$24.6K –
TSMX icon
3708
Direxion Daily TSM Bull 2X ETF
TSMX
$429M
– –
-7,000
Closed -$400K –
KLC icon
3709
KinderCare Learning Companies
KLC
$210M
– –
-208,528
Closed -$459K –
MUU icon
3710
Direxion Daily MU Bull 2X ETF
MUU
$2.97B
– –
-170,000
Closed -$1.02M –
MUD icon
3711
Direxion Daily MU Bear 1X ETF
MUD
$37.2M
– –
-28,059
Closed -$1.23M –
BTCI icon
3712
NEOS Bitcoin High Income ETF
BTCI
$1.39B
– –
-9,900
Closed -$325K –
ROLR icon
3713
High Roller Technologies
ROLR
$53.5M
– –
-63,799
Closed -$222K –
IRD icon
3714
Opus Genetics
IRD
$319M
– –
-73,209
Closed -$333K –
GRCE icon
3715
Grace Therapeutics
GRCE
$39.8M
– –
-243,910
Closed -$1.13M –
CGTL
3716
Creative Global Technology Holdings
CGTL
$5.28M
– –
-7,424
Closed -$118K –
SUNE icon
3717
SUNation Energy
SUNE
$13.4M
– –
-92,515
Closed -$204K –
IPST icon
3718
IP Strategy Holdings
IPST
$1.82M
– –
-3,260
Closed -$17.2K –
PMA icon
3719
PMA Graphene Technology Group Inc. Class A Ordinary Shares
PMA
$202M
– –
-22,800
Closed -$19.2K –
NVOX icon
3720
Defiance Daily Target 2x Long NVO ETF
NVOX
$42.3M
– –
-11,200
Closed -$115K –
INLF
3721
INLIF Ltd
INLF
$2.78M
– –
-3
Closed -$3.41K –
JBTM icon
3722
JBT Marel
JBTM
$5.41B
– –
-41,500
Closed -$5.31M –
BZAI icon
3723
Blaize Holdings
BZAI
$36.5M
– –
-1,404,159
Closed -$2.56M –
SLVR icon
3724
Sprott Silver Miners & Physical Silver ETF
SLVR
$650M
– –
-3,700
Closed -$219K –
KAZR icon
3725
Skyline Builders Group
KAZR
$35.2M
– –
-36,500
Closed -$113K –
147 148
149
150 151

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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.