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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
FTSL icon
3401
First Trust Senior Loan Fund ETF
FTSL
$2.33B
– –
-48,105
Closed -$2.21M
FUL icon
3402
H.B. Fuller
FUL
$3.34B
– –
-31,400
Closed -$1.87M
FULT icon
3403
Fulton Financial
FULT
$4.65B
– –
-350,445
Closed -$6.77M
FXE icon
3404
Invesco CurrencyShares Euro Currency Trust
FXE
$341M
– –
-2,900
Closed -$315K
FYBR
3405
DELISTED
Frontier Communications
FYBR
– –
-2,268,200
Closed -$86.4M
GRSD
3406
Grandstand Limited Ordinary Shares
GRSD
$66.6M
– –
-69,892
Closed -$382K
GANX icon
3407
Gain Therapeutics
GANX
$87.9M
– –
-17,400
Closed -$56K
GBIO
3408
DELISTED
Generation Bio
GBIO
– –
-287,614
Closed -$1.63M
GBR icon
3409
New Concept Energy
GBR
$3.67M
– –
-39,353
Closed -$29.4K
GBX icon
3410
The Greenbrier Companies
GBX
$1.43B
– –
-12,300
Closed -$575K
GDEN
3411
DELISTED
Golden Entertainment
GDEN
– –
-133,118
Closed -$3.62M
GEO icon
3412
The GEO Group
GEO
$4.18B
– –
-131,691
Closed -$2.12M
GETY icon
3413
Getty Images
GETY
$121M
– –
-206,835
Closed -$277K
GIFI
3414
DELISTED
Gulf Island Fabrication
GIFI
– –
-623,124
Closed -$7.46M
GIS icon
3415
General Mills
GIS
$20.2B
– –
-1,505,323
Closed -$70M
GL icon
3416
Globe Life
GL
$14.1B
– –
-29,900
Closed -$4.18M
MRDN
3417
Meridian Holdings Inc
MRDN
$177M
– –
-2,333
Closed -$22.4K
GNRC icon
3418
Generac Holdings
GNRC
$12.7B
– –
-17,500
Closed -$2.39M
GOVX icon
3419
GeoVax Labs
GOVX
$4.01M
– –
-24,261
Closed -$104K
GPC icon
3420
Genuine Parts
GPC
$18.6B
– –
-148,500
Closed -$18.3M
GPIQ icon
3421
Goldman Sachs ETF Trust Goldman Sachs Nasdaq-100 Premium Income ETF
GPIQ
$5.34B
– –
-59,800
Closed -$3.16M
GRBK icon
3422
Green Brick Partners
GRBK
$3.08B
– –
-45,109
Closed -$2.83M
GRP.U
3423
DELISTED
Granite Real Estate Investment Trust
GRP.U
– –
-32,200
Closed -$1.91M
GSHD icon
3424
Goosehead Insurance
GSHD
$2.32B
– –
-9,400
Closed -$692K
GSLC icon
3425
Goldman Sachs ActiveBeta US Large Cap Equity ETF
GSLC
$15.9B
– –
-11,100
Closed -$1.47M
135 136
137
138 139

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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.