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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
GMED icon
3426
Globus Medical
GMED
$11.5B
– –
-243,918
Closed -$14M
GNTY
3427
DELISTED
Guaranty Bancshares
GNTY
– –
-39,469
Closed -$1.92M
GO icon
3428
Grocery Outlet
GO
$1.08B
– –
-108,046
Closed -$1.73M
GOCO
3429
DELISTED
GoHealth
GOCO
– –
-48,778
Closed -$235K
GOOS
3430
Canada Goose Holdings
GOOS
$850M
– –
-111,000
Closed -$1.53M
GRID
3431
First Trust NASDAQ Clean Edge Smart Grid Infrastructure Index Fund
GRID
$12.3B
– –
-10,100
Closed -$1.53M
GRNQ icon
3432
Greenpro Capital
GRNQ
$16.7M
– –
-2,570
Closed -$35.2K
GT icon
3433
Goodyear
GT
$1.79B
– –
-857,654
Closed -$6.42M
GTO icon
3434
Invesco Total Return Bond ETF
GTO
$2.48B
– –
-38,695
Closed -$1.84M
GURE
3435
Gulf Resources
GURE
$5.48M
– –
-20,203
Closed -$113K
GUSH icon
3436
Direxion Daily S&P Oil & Gas Exp. & Prod. Bull 2X ETF
GUSH
$247M
– –
-21,600
Closed -$531K
GVI icon
3437
iShares Intermediate Government/Credit Bond ETF
GVI
$3.8B
– –
-18,300
Closed -$1.97M
GWH icon
3438
ESS Tech
GWH
$19.4M
– –
-27,560
Closed -$41.9K
HAL icon
3439
Halliburton
HAL
$27.4B
– –
-771,995
Closed -$19M
HBI
3440
DELISTED
Hanesbrands
HBI
– –
-1,025,400
Closed -$6.76M
HCAT icon
3441
Health Catalyst
HCAT
$138M
– –
-45,869
Closed -$131K
HEPS
3442
D-Market Electronic Services & Trading
HEPS
$1.01B
– –
-118,188
Closed -$318K
HI
3443
DELISTED
Hillenbrand
HI
– –
-36,820
Closed -$996K
HIFS icon
3444
Hingham Institution for Saving
HIFS
$695M
– –
-816
Closed -$215K
HKIT icon
3445
Hitek Global
HKIT
$26.7M
– –
-5
Closed -$34.9K
HL icon
3446
Hecla Mining
HL
$11.9B
– –
-2,364,200
Closed -$28.6M
HLN icon
3447
Haleon
HLN
$43.1B
– –
-1,434,399
Closed -$12.9M
HONE
3448
DELISTED
HarborOne Bancorp
HONE
– –
-390,800
Closed -$5.31M
HRB icon
3449
H&R Block
HRB
$6.79B
– –
-99,400
Closed -$5.03M
HSAI
3450
Hesai Group
HSAI
$3.03B
– –
-107,500
Closed -$3.02M
136 137
138
139 140

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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.