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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
CGUS icon
3301
Capital Group Core Equity ETF
CGUS
$11.8B
– –
-46,700
Closed -$1.88M
CHWY icon
3302
Chewy
CHWY
$9.2B
– –
-37,028
Closed -$1.22M
CIB icon
3303
Grupo Cibest SA
CIB
$23.1B
– –
-57,000
Closed -$3.63M
CISO
3304
CISO Global
CISO
$11.8M
– –
-76,200
Closed -$36.6K
CLDX icon
3305
Celldex Therapeutics
CLDX
$3.48B
– –
-118,488
Closed -$3.22M
CLF icon
3306
Cleveland-Cliffs
CLF
$7.08B
– –
-653,359
Closed -$8.68M
CLIR icon
3307
ClearSign Technologies
CLIR
$28.4M
– –
-7,780
Closed -$43.3K
CLOZ icon
3308
Panagram BBB-B CLO ETF
CLOZ
$806M
– –
-44,256
Closed -$1.17M
CLPT icon
3309
ClearPoint Neuro
CLPT
$455M
– –
-120,000
Closed -$1.64M
CLSK icon
3310
CleanSpark
CLSK
$2.96B
– –
-2,581,482
Closed -$26.1M
CM icon
3311
Canadian Imperial Bank of Commerce
CM
$109B
– –
-179,728
Closed -$16.3M
CMBM
3312
DELISTED
Cambium Networks
CMBM
– –
-385,749
Closed -$555K
CMS icon
3313
CMS Energy
CMS
$21.8B
– –
-113,500
Closed -$7.94M
CNET icon
3314
ZW Data Action Technologies
CNET
$4.84M
– –
-15,825
Closed -$21.5K
CNNE icon
3315
Cannae Holdings
CNNE
$644M
– –
-43,000
Closed -$676K
COCO icon
3316
Vita Coco
COCO
$3.73B
– –
-29,800
Closed -$1.58M
CODX
3317
Co-Diagnostics
CODX
$5.49M
– –
-24,344
Closed -$123K
COFS icon
3318
Choiceone Financial
COFS
$511M
– –
-11,200
Closed -$331K
CONL icon
3319
GraniteShares 2x Long COIN Daily ETF
CONL
$404M
– –
-91,600
Closed -$1.34M
COP icon
3320
ConocoPhillips
COP
$151B
– –
-606,894
Closed -$56.8M
COOK icon
3321
Traeger
COOK
$178M
– –
-2,280
Closed -$123K
COR icon
3322
Cencora
COR
$63.7B
– –
-121,940
Closed -$41.2M
CPNG icon
3323
Coupang
CPNG
$29.7B
– –
-1,554,380
Closed -$36.7M
CQQQ icon
3324
Invesco China Technology ETF
CQQQ
$3.24B
– –
-44,200
Closed -$2.3M
CRGO icon
3325
Freightos
CRGO
$64.6M
– –
-45,112
Closed -$103K
131 132
133
134 135

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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.