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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
+2.8%
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
$64.5B
AUM Growth
-$11.3B
Cap. Flow
-$10.1B
Cap. Flow %
-15.68%
Top 10 Hldgs %
12.13%
Holding
3,923
New
466
Increased
1,028
Reduced
1,682
Closed
737

Top Buys

Rank Stock Value
1
COST icon
Costco
COST
+$616M
2
NFLX icon
Netflix
NFLX
+$481M
3
MU icon
Micron Technology
MU
+$416M
4
TSLA icon
Tesla
TSLA
+$416M
5
PG icon
Procter & Gamble
PG
+$322M

Top Sells

Rank Stock Value
1
NVDA icon
NVIDIA
NVDA
+$885M
2
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$660M
3
GOOG icon
Alphabet (Google) Class C
GOOG
+$463M
4
APP icon
Applovin
APP
+$430M
5
META icon
Meta Platforms (Facebook)
META
+$354M

Sector Composition

Rank Sector Weight
1 Technology 20.84%
2 Healthcare 15.77%
3 Consumer Discretionary 13.88%
4 Industrials 9.94%
5 Financials 8.79%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
CODA icon
3301
Coda Octopus Group
CODA
$116M
– –
-43,714
Closed -$351K
ZSQR
3302
Z Squared Inc
ZSQR
$205M
– –
-18,500
Closed -$323K
COHN icon
3303
Cohen & Co
COHN
$38.7M
– –
-15,800
Closed -$177K
COIN icon
3304
Coinbase
COIN
$39.3B
– –
-113,400
Closed -$38.3M
CONY icon
3305
YieldMax COIN Option Income Strategy ETF
CONY
$330M
– –
-24,200
Closed -$1.66M
COOP
3306
DELISTED
Mr. Cooper
COOP
– –
-98,699
Closed -$20.8M
COPX icon
3307
Global X Copper Miners ETF NEW
COPX
$8.22B
– –
-32,100
Closed -$1.92M
CP icon
3308
Canadian Pacific Kansas City
CP
$81.5B
– –
-40,860
Closed -$3.04M
CPB icon
3309
Campbell Soup
CPB
$6.74B
– –
-1,833,074
Closed -$57.9M
CPRI icon
3310
Capri Holdings
CPRI
$1.77B
– –
-433,800
Closed -$8.64M
CRDF icon
3311
Cardiff Oncology
CRDF
$77.1M
– –
-101,800
Closed -$210K
CRDO icon
3312
Credo Technology Group
CRDO
$50B
– –
-249,138
Closed -$36.3M
CRH icon
3313
CRH
CRH
$65.2B
– –
-156,800
Closed -$18.8M
CRI icon
3314
Carter's
CRI
$1.43B
– –
-76,500
Closed -$2.16M
CRM icon
3315
Salesforce
CRM
$158B
– –
-500,895
Closed -$119M
CRMT icon
3316
America's Car Mart
CRMT
$26.2M
– –
-13,772
Closed -$402K
CSCO icon
3317
Cisco
CSCO
$488B
– –
-1,541,505
Closed -$105M
CSTM icon
3318
Constellium
CSTM
$4B
– –
-36,300
Closed -$540K
CSW
3319
CSW Industrials
CSW
$5.65B
– –
-53,800
Closed -$13.1M
CTAS icon
3320
Cintas
CTAS
$81.4B
– –
-230,972
Closed -$47.4M
CTMX icon
3321
CytomX Therapeutics
CTMX
$760M
– –
-2,545,260
Closed -$8.12M
CTNT icon
3322
Cheetah Net Supply Chain Service
CTNT
$5.12M
– –
-58
Closed -$20.5K
CTRE icon
3323
CareTrust REIT
CTRE
$9.25B
– –
-472,500
Closed -$16.4M
CTRN icon
3324
Citi Trends
CTRN
$617M
– –
-16,457
Closed -$511K
CTSH icon
3325
Cognizant
CTSH
$26.2B
– –
-656,352
Closed -$44M
131 132
133
134 135

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Jim Simons's Q4 2025 Portfolio in Review

As of Q4 2025, Jim Simons held 3,923 positions worth $64.5B, down 15% from $75.8B the previous quarter. Its ten largest holdings account for 12% of the portfolio.

Jim Simons withdrew a net $10.1B in Q4 2025, closing 737 positions and reducing 1,682 holdings. Its most notable exit was Meta Platforms (Facebook), an estimated $354M position sold in full.

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

Against the trend, Jim Simons opened a new position in ServiceNow worth $204M.

  • Jim Simons's largest Q4 2025 buy was ServiceNow: 1,331,977 shares worth $204M.
  • Jim Simons added most to Costco in Q4 2025, an estimated $616M increase.
  • Jim Simons's biggest Q4 2025 reduction was NVIDIA, cutting an estimated $885M.
  • Jim Simons fully exited Meta Platforms (Facebook) in Q4 2025, selling an estimated $354M.
  • Jim Simons's ten largest holdings make up 12% of its $64.5B portfolio in Q4 2025.
  • Jim Simons opened 466 new positions and closed 737 in Q4 2025.
  • Jim Simons's portfolio value fell 15% quarter-over-quarter to $64.5B.

Based on Renaissance Technologies's 13F filing for Q4 2025, filed 12 Feb 2026.