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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
UBFO icon
3626
DELISTED
United Security Bancshares
UBFO
– –
-113,948
Closed -$1.2M –
UBS icon
3627
UBS Group
UBS
$146B
– –
-686,991
Closed -$26.8M –
UCON icon
3628
First Trust Smith Unconstrained Bond ETF
UCON
$3.15B
– –
-18,200
Closed -$451K –
UDMY icon
3629
DELISTED
Udemy
UDMY
– –
-311,901
Closed -$1.44M –
UHAL icon
3630
U-Haul Holding Co
UHAL
$11.1B
– –
-4,600
Closed -$220K –
UHG icon
3631
DELISTED
United Homes Group
UHG
– –
-18,900
Closed -$21.9K –
UMBF icon
3632
UMB Financial
UMBF
$10B
– –
-59,170
Closed -$6.67M –
UNCY icon
3633
Unicycive Therapeutics
UNCY
$93.6M
– –
-24,400
Closed -$161K –
UPS icon
3634
United Parcel Service
UPS
$82.9B
– –
-1,234,600
Closed -$121M –
URBN icon
3635
Urban Outfitters
URBN
$7.42B
– –
-268,600
Closed -$17M –
USAU icon
3636
US Gold Corp
USAU
$196M
– –
-45,697
Closed -$694K –
UUUU icon
3637
Energy Fuels
UUUU
$2.24B
– –
-637,804
Closed -$11.6M –
VANI icon
3638
Vivani Medical
VANI
$101M
– –
-37,295
Closed -$37.3K –
VB icon
3639
Vanguard Morningstar Small-Cap ETF
VB
$76.9B
– –
-28,320
Closed -$7.42M –
VBR icon
3640
Vanguard Morningstar Small-Cap Value ETF
VBR
$36B
– –
-1,200
Closed -$261K –
VCEL icon
3641
Vericel Corp
VCEL
$2.05B
– –
-12,600
Closed -$405K –
VCYT icon
3642
Veracyte
VCYT
$3.47B
– –
-223,500
Closed -$7.2M –
VDC icon
3643
Vanguard Consumer Staples ETF
VDC
$8.01B
– –
-1,200
Closed -$270K –
VEA icon
3644
Vanguard FTSE Developed Markets ETF
VEA
$228B
– –
-111,400
Closed -$7.14M –
VDE icon
3645
Vanguard Energy ETF
VDE
$11.5B
– –
-3,400
Closed -$588K –
VICR icon
3646
Vicor
VICR
$8.83B
– –
-47,300
Closed -$7.62M –
VNQI icon
3647
Vanguard Global ex-US Real Estate ETF
VNQI
$3.25B
– –
-10,800
Closed -$480K –
VPU icon
3648
Vanguard Utilities ETF
VPU
$8.2B
– –
-5,800
Closed -$1.15M –
VRE
3649
DELISTED
Veris Residential
VRE
– –
-965,900
Closed -$18.2M –
VRP icon
3650
Invesco Variable Rate Preferred ETF
VRP
$3B
– –
-16,370
Closed -$393K –
144 145
146
147 148

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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.