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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
RDVY icon
3551
First Trust Rising Dividend Achievers ETF
RDVY
$25.4B
– –
-72,200
Closed -$4.93M –
REKR icon
3552
Rekor Systems
REKR
$45.5M
– –
-2,349,644
Closed -$1.93M –
RELY icon
3553
Remitly
RELY
$5.11B
– –
-30,000
Closed -$470K –
RENT icon
3554
Rent the Runway
RENT
$59.7M
– –
-26,170
Closed -$125K –
RF icon
3555
Regions Financial
RF
$23.4B
– –
-2,144,021
Closed -$56M –
RGA icon
3556
Reinsurance Group of America
RGA
$17.4B
– –
-27,600
Closed -$5.63M –
RLI icon
3557
RLI Corp
RLI
$5.6B
– –
-71,500
Closed -$4.08M –
RRR icon
3558
Red Rock Resorts
RRR
$2.91B
– –
-300,400
Closed -$16M –
RVMD icon
3559
Revolution Medicines
RVMD
$38.1B
– –
-6,200
Closed -$603K –
RVPH icon
3560
DELISTED
REVIVA PHARMA HLDGS INC
RVPH
– –
-43,002
Closed -$31.4K –
RXRX icon
3561
Recursion Pharmaceuticals
RXRX
$1.86B
– –
-2,400,605
Closed -$7.37M –
RZLT icon
3562
Rezolute
RZLT
$346M
– –
-157,711
Closed -$481K –
SCHC icon
3563
Schwab International Small-Cap Equity ETF
SCHC
$5.49B
– –
-17,500
Closed -$818K –
SCHF icon
3564
Schwab International Equity ETF
SCHF
$66.8B
– –
-33,000
Closed -$817K –
SCHM icon
3565
Schwab US Mid-Cap ETF
SCHM
$14.4B
– –
-19,500
Closed -$604K –
SCHV icon
3566
Schwab US Large-Cap Value ETF
SCHV
$15.5B
– –
-19,800
Closed -$604K –
SCL icon
3567
Stepan Co
SCL
$1.41B
– –
-12,512
Closed -$625K –
SDS icon
3568
ProShares UltraShort S&P500
SDS
$361M
– –
-16,700
Closed -$1.26M –
SDVY icon
3569
First Trust SMID Cap Rising Dividend Achievers ETF
SDVY
$11B
– –
-64,800
Closed -$2.56M –
SFBS icon
3570
ServisFirst Bancshares
SFBS
$4.3B
– –
-68,800
Closed -$2.51M –
SGMO icon
3571
DELISTED
SANGAMO THERAPEUTICS INC
SGMO
– –
-3,836,665
Closed -$947K –
SGOL icon
3572
abrdn Physical Gold Shares ETF
SGOL
$6.96B
– –
-147,800
Closed -$6.59M –
SH icon
3573
ProShares Short S&P500
SH
$992M
– –
-26,400
Closed -$1M –
SHC icon
3574
Sotera Health
SHC
$5.11B
– –
-203,078
Closed -$2.91M –
SLDP icon
3575
Solid Power
SLDP
$459M
– –
-71,254
Closed -$214K –
141 142
143
144 145

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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.