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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
+3.01%
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
$63.9B
AUM Growth
-$531M
Cap. Flow
+$1.07B
Cap. Flow %
1.67%
Top 10 Hldgs %
11.2%
Holding
3,809
New
624
Increased
1,320
Reduced
1,262
Closed
596

Top Buys

Rank Stock Value
1
AAPL icon
Apple
AAPL
+$800M
2
NVDA icon
NVIDIA
NVDA
+$304M
3
AVGO icon
Broadcom
AVGO
+$261M
4
LIN icon
Linde
LIN
+$237M
5
JPM icon
JPMorgan Chase
JPM
+$208M

Top Sells

Rank Stock Value
1
COST icon
Costco
COST
+$656M
2
NFLX icon
Netflix
NFLX
+$632M
3
TSLA icon
Tesla
TSLA
+$474M
4
PG icon
Procter & Gamble
PG
+$428M
5
MU icon
Micron Technology
MU
+$332M

Sector Composition

Rank Sector Weight
1 Technology 22.04%
2 Healthcare 15.35%
3 Industrials 11.13%
4 Consumer Discretionary 10.88%
5 Financials 10.52%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
SNCR
3651
DELISTED
Synchronoss Technologies
SNCR
– –
-98,374
Closed -$842K
SOHO
3652
DELISTED
Sotherly Hotels
SOHO
– –
-51,714
Closed -$111K
SOXQ icon
3653
Invesco PHLX Semiconductor ETF
SOXQ
$2.85B
– –
-5,900
Closed -$329K
SPAB icon
3654
State Street SPDR Portfolio Aggregate Bond ETF
SPAB
$9.92B
– –
-34,700
Closed -$894K
SPHB icon
3655
Invesco S&P 500 High Beta ETF
SPHB
$931M
– –
-3,800
Closed -$444K
SPIR icon
3656
Spire Global
SPIR
$574M
– –
-53,700
Closed -$403K
SPTM icon
3657
State Street SPDR Portfolio S&P 1500 Composite Stock Market ETF
SPTM
$14B
– –
-22,200
Closed -$1.83M
SPUS icon
3658
SP Funds S&P 500 Sharia ETF
SPUS
$3.06B
– –
-6,400
Closed -$327K
SPXL icon
3659
Direxion Daily S&P 500 Bull 3x ETF
SPXL
$7.21B
– –
-22,300
Closed -$4.92M
SPY icon
3660
State Street SPDR S&P 500 ETF Trust
SPY
$807B
– –
-144,480
Closed -$98.5M
SPYG icon
3661
State Street SPDR Portfolio S&P 500 Growth ETF
SPYG
$54.9B
– –
-8,800
Closed -$939K
SPYI icon
3662
NEOS S&P 500 High Income ETF
SPYI
$11.3B
– –
-97,300
Closed -$5.11M
SRAD icon
3663
Sportradar
SRAD
$3.93B
– –
-183,400
Closed -$4.36M
SRLN icon
3664
State Street Blackstone Senior Loan ETF
SRLN
$5.36B
– –
-114,783
Closed -$4.74M
TRON
3665
Tron Inc
TRON
$693M
– –
-280,309
Closed -$348K
SSD icon
3666
Simpson Manufacturing
SSD
$8.19B
– –
-21,000
Closed -$3.39M
SSKN
3667
DELISTED
Strata Skin Sciences
SSKN
– –
-63,830
Closed -$80.4K
SSO icon
3668
ProShares Ultra S&P500
SSO
$8.35B
– –
-53,800
Closed -$3.12M
STE icon
3669
Steris
STE
$23.2B
– –
-18,408
Closed -$4.67M
STG
3670
Sunlands Technology
STG
$44.9M
– –
-10,098
Closed -$59.8K
STIP icon
3671
iShares 0-5 Year TIPS Bond ETF
STIP
$15.9B
– –
-74,500
Closed -$7.63M
STIM icon
3672
Neuronetics
STIM
$222M
– –
-474,900
Closed -$655K
STZ icon
3673
Constellation Brands
STZ
$22.9B
– –
-43,850
Closed -$6.05M
SU icon
3674
Suncor Energy
SU
$74B
– –
-298,377
Closed -$13.2M
AXG
3675
Solowin Holdings
AXG
$502M
– –
-127,700
Closed -$525K
145 146
147
148 149

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Jim Simons's Q1 2026 Portfolio in Review

As of Q1 2026, Jim Simons held 3,809 positions worth $63.9B, down 0.82% from $64.5B the previous quarter. Its ten largest holdings account for 11% of the portfolio.

Jim Simons's Q1 2026 filing shows 624 new, 1,320 increased, 1,262 reduced and 596 closed positions. Its largest new stake was Apple: 3,075,638 shares worth $781M. The largest sale was Costco, an estimated $656M.

By sector, the portfolio is most concentrated in Technology at 22% of assets, up from 21% a quarter earlier, followed by Healthcare and Industrials.

  • Jim Simons's largest Q1 2026 buy was Apple: 3,075,638 shares worth $781M.
  • Jim Simons added most to NVIDIA in Q1 2026, an estimated $304M increase.
  • Jim Simons's biggest Q1 2026 reduction was Costco, cutting an estimated $656M.
  • Jim Simons fully exited Procter & Gamble in Q1 2026, selling an estimated $428M.
  • Jim Simons's ten largest holdings make up 11% of its $63.9B portfolio in Q1 2026.
  • Jim Simons opened 624 new positions and closed 596 in Q1 2026.
  • Jim Simons's portfolio value fell 0.82% quarter-over-quarter to $63.9B.

Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.