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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
QNCX icon
3601
Quince Therapeutics
QNCX
$33.3M
– –
-2,691
Closed -$1.8M
QQQE icon
3602
Direxion NASDAQ-100 Equal Weighted Index ETF
QQQE
$1.42B
– –
-3,300
Closed -$338K
QTEC icon
3603
First Trust NASDAQ-100 Technology Index Fund
QTEC
$4.75B
– –
-6,500
Closed -$1.5M
QUAL icon
3604
iShares MSCI USA Quality Factor ETF
QUAL
$48B
– –
-14,500
Closed -$2.88M
RAPT
3605
DELISTED
RAPT Therapeutics
RAPT
– –
-91,173
Closed -$3.09M
RCL icon
3606
Royal Caribbean
RCL
$82.1B
– –
-14,749
Closed -$4.11M
RECS icon
3607
Columbia Research Enhanced Core ETF
RECS
$6.02B
– –
-28,200
Closed -$1.15M
REVG
3608
DELISTED
REV Group
REVG
– –
-301,892
Closed -$18.4M
RGTI icon
3609
Rigetti Computing
RGTI
$6.04B
– –
-1,846,451
Closed -$40.9M
RICK icon
3610
RCI Hospitality Holdings
RICK
$210M
– –
-16,384
Closed -$391K
RIOT icon
3611
Riot Platforms
RIOT
$7.6B
– –
-4,289,149
Closed -$54.3M
RITM icon
3612
Rithm Capital
RITM
$5.72B
– –
-2,861,943
Closed -$31.2M
RKLB icon
3613
Rocket Lab Corp
RKLB
$51.2B
– –
-915,100
Closed -$63.8M
RMD icon
3614
ResMed
RMD
$32.6B
– –
-304,480
Closed -$73.3M
RNAM
3615
DELISTED
Avidity Biosciences
RNAM
– –
-45,100
Closed -$3.25M
RNR icon
3616
RenaissanceRe
RNR
$13.2B
– –
-4,400
Closed -$1.24M
RNST icon
3617
Renasant Corp
RNST
$3.92B
– –
-45,828
Closed -$1.61M
ROG icon
3618
Rogers Corp
ROG
$2.41B
– –
-13,700
Closed -$1.25M
ROP icon
3619
Roper Technologies
ROP
$39.5B
– –
-204,700
Closed -$91.1M
RPM icon
3620
RPM International
RPM
$14.9B
– –
-249,400
Closed -$25.9M
RPTX
3621
DELISTED
Repare Therapeutics
RPTX
– –
-981,360
Closed -$2.55M
RPV icon
3622
Invesco S&P 500 Pure Value ETF
RPV
$1.73B
– –
-12,500
Closed -$1.29M
RR icon
3623
Richtech Robotics
RR
$389M
– –
-231,566
Closed -$748K
RS icon
3624
Reliance Steel & Aluminium
RS
$21.6B
– –
-32,132
Closed -$9.28M
RSPT icon
3625
Invesco S&P 500 Equal Weight Technology ETF
RSPT
$5.86B
– –
-10,800
Closed -$492K
143 144
145
146 147

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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.