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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
VNRX icon
3726
VolitionRx Ltd
VNRX
$8.61M
– –
-1,265
Closed -$6.47K
VONE icon
3727
Vanguard Russell 1000 ETF
VONE
$8.65B
– –
-7,520
Closed -$2.32M
VOO icon
3728
Vanguard S&P 500 ETF
VOO
$1.03T
– –
-55,260
Closed -$34.7M
VOOV icon
3729
Vanguard S&P 500 Value ETF
VOOV
$6.76B
– –
-7,400
Closed -$1.52M
VOT icon
3730
Vanguard Morningstar Mid-Cap Growth ETF
VOT
$19.8B
– –
-6,000
Closed -$1.67M
VPL icon
3731
Vanguard FTSE Pacific ETF
VPL
$8.42B
– –
-7,700
Closed -$696K
VS icon
3732
Versus Systems
VS
$8.14M
– –
-20,267
Closed -$24.7K
VTI icon
3733
Vanguard Morningstar Total Stock Market ETF
VTI
$689B
– –
-68,660
Closed -$23M
VTOL icon
3734
Bristow Group
VTOL
$1.37B
– –
-54,100
Closed -$1.98M
VTS icon
3735
Vitesse Energy
VTS
$691M
– –
-168,500
Closed -$3.25M
VTWO icon
3736
Vanguard Russell 2000 ETF
VTWO
$17.3B
– –
-16,900
Closed -$1.68M
VTYX
3737
DELISTED
Ventyx Biosciences
VTYX
– –
-538,071
Closed -$4.86M
VWOB icon
3738
Vanguard Emerging Markets Government Bond ETF
VWOB
$6.22B
– –
-70,100
Closed -$4.73M
WELL icon
3739
Welltower
WELL
$163B
– –
-173,063
Closed -$32.1M
WGMI icon
3740
CoinShares ETF Trust CoinShares Bitcoin Mining ETF
WGMI
$233M
– –
-15,600
Closed -$597K
WOR icon
3741
Worthington Enterprises
WOR
$2.79B
– –
-26,800
Closed -$1.38M
WPRT
3742
Westport Fuel Systems
WPRT
$36.7M
– –
-10,023
Closed -$15.7K
WSC icon
3743
WillScot Mobile Mini Holdings
WSC
$4.15B
– –
-493,194
Closed -$9.29M
WWD icon
3744
Woodward
WWD
$21.1B
– –
-100,784
Closed -$30.5M
XBI icon
3745
State Street SPDR S&P Biotech ETF
XBI
$10.4B
– –
-41,100
Closed -$5.01M
XLE icon
3746
State Street Energy Select Sector SPDR ETF
XLE
$39.8B
– –
-229,738
Closed -$10.3M
XLG icon
3747
Invesco S&P 500 Top 50 ETF
XLG
$10.9B
– –
-38,200
Closed -$2.26M
XMTR icon
3748
Xometry
XMTR
$5.24B
– –
-9,600
Closed -$571K
XOMA
3749
DELISTED
Xoma
XOMA
– –
-39,017
Closed -$1.04M
XYLD icon
3750
Global X S&P 500 Covered Call ETF
XYLD
$3.28B
– –
-13,700
Closed -$557K
148 149
150
151 152

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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.