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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
GTN icon
3426
Gray Television
GTN
$490M
– –
-13,200
Closed -$63.9K
GWRE icon
3427
Guidewire Software
GWRE
$14.7B
– –
-113,900
Closed -$22.9M
HD icon
3428
Home Depot
HD
$353B
– –
-171,600
Closed -$59M
HLI icon
3429
Houlihan Lokey
HLI
$8.77B
– –
-7,100
Closed -$1.24M
HOG icon
3430
Harley-Davidson
HOG
$2.78B
– –
-541,544
Closed -$11.1M
HOLX
3431
DELISTED
Hologic
HOLX
– –
-1,323,090
Closed -$98.6M
RKTO
3432
Rocket One Inc
RKTO
$19.8M
– –
-33,848
Closed -$33.5K
HOUS
3433
DELISTED
Anywhere Real Estate
HOUS
– –
-496,045
Closed -$7.02M
HPK icon
3434
HighPeak Energy
HPK
$1.04B
– –
-121,500
Closed -$576K
HPP
3435
Hudson Pacific Properties
HPP
$724M
– –
-219,968
Closed -$2.38M
HRL icon
3436
Hormel Foods
HRL
$13.4B
– –
-379,076
Closed -$8.98M
HTCR icon
3437
HeartCore Enterprises
HTCR
$4.18M
– –
-1,040
Closed -$6.35K
HUM icon
3438
Humana
HUM
$44.8B
– –
-9,953
Closed -$2.55M
HUN icon
3439
Huntsman Corp
HUN
$1.83B
– –
-1,271,800
Closed -$12.7M
HWKN icon
3440
Hawkins
HWKN
$2.71B
– –
-20,100
Closed -$2.86M
HZO icon
3441
MarineMax
HZO
$1.16B
– –
-15,200
Closed -$368K
IART icon
3442
Integra LifeSciences
IART
$1.35B
– –
-14,760
Closed -$183K
IAUM icon
3443
iShares Gold Trust Micro
IAUM
$6.92B
– –
-106,600
Closed -$4.58M
IBIO icon
3444
iBio
IBIO
$73M
– –
-353,339
Closed -$682K
IBRX icon
3445
ImmunityBio
IBRX
$8.05B
– –
-1,231,770
Closed -$2.44M
ICFI icon
3446
ICF International
ICFI
$1.62B
– –
-47,100
Closed -$4.02M
IDA icon
3447
Idacorp
IDA
$8.11B
– –
-41,100
Closed -$5.2M
IDV icon
3448
iShares International Select Dividend ETF
IDV
$8.52B
– –
-8,800
Closed -$347K
IEV icon
3449
iShares Europe ETF
IEV
$1.7B
– –
-3,600
Closed -$247K
IGM icon
3450
iShares Expanded Tech Sector ETF
IGM
$10.7B
– –
-14,000
Closed -$1.81M
136 137
138
139 140

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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.