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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
CRL icon
3326
Charles River Laboratories
CRL
$13.5B
– –
-10,200
Closed -$2.03M
CRS icon
3327
Carpenter Technology
CRS
$26.7B
– –
-78,800
Closed -$24.8M
CVLG icon
3328
Covenant Logistics
CVLG
$847M
– –
-42,800
Closed -$943K
CWEB icon
3329
Direxion Daily CSI China Internet Index Bull 2X ETF
CWEB
$248M
– –
-24,500
Closed -$983K
CWH icon
3330
Camping World
CWH
$655M
– –
-387,400
Closed -$3.77M
CXW icon
3331
CoreCivic
CXW
$3.35B
– –
-40,103
Closed -$766K
CYTK icon
3332
Cytokinetics
CYTK
$10.6B
– –
-172,067
Closed -$10.9M
DBMF icon
3333
iMGP DBi Managed Futures Strategy ETF
DBMF
$4.2B
– –
-88,300
Closed -$2.48M
DFAU icon
3334
Dimensional US Core Equity Market ETF
DFAU
$12.8B
– –
-16,400
Closed -$768K
DFUS
3335
Dimensional US Equity ETF
DFUS
$21.6B
– –
-20,300
Closed -$1.51M
DIOD icon
3336
Diodes
DIOD
$4.75B
– –
-71,351
Closed -$3.52M
DIS icon
3337
Walt Disney
DIS
$179B
– –
-902,700
Closed -$103M
DNLI icon
3338
Denali Therapeutics
DNLI
$3.95B
– –
-10,700
Closed -$177K
DNTH icon
3339
Dianthus Therapeutics
DNTH
$6.07B
– –
-32,100
Closed -$1.32M
DOMO icon
3340
Domo
DOMO
$184M
– –
-386,980
Closed -$3.26M
DOW icon
3341
Dow Inc
DOW
$22.6B
– –
-1,478,500
Closed -$34.6M
DSI icon
3342
iShares MSCI KLD 400 Social ETF
DSI
$5.51B
– –
-8,500
Closed -$1.1M
DTST icon
3343
Data Storage Corp
DTST
$8.14M
– –
-136,100
Closed -$697K
DUHP icon
3344
Dimensional US High Profitability ETF
DUHP
$12.7B
– –
-26,900
Closed -$1.02M
DVAX
3345
DELISTED
Dynavax Technologies
DVAX
– –
-3,337,533
Closed -$51.3M
DVN icon
3346
Devon Energy
DVN
$49.9B
– –
-637,549
Closed -$23.4M
DVY icon
3347
iShares Select Dividend ETF
DVY
$23.7B
– –
-7,400
Closed -$1.04M
DWSN icon
3348
Dawson Geophysical
DWSN
$138M
– –
-21,600
Closed -$33.7K
DX
3349
Dynex Capital
DX
$3.21B
– –
-423,600
Closed -$5.93M
DXD icon
3350
ProShares UltraShort Dow 30
DXD
$42.6M
– –
-31,800
Closed -$652K
132 133
134
135 136

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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.