We are live on ! Find out more
Simplex Trading

Simplex Trading Portfolio holdings

AUM $149B
1-Year Est. Return 62.07%
 

Simplex Trading, founded in 2004 and headquartered in Chicago, Illinois, is a technology-driven proprietary trading firm specializing in market-making and liquidity provision, primarily in U.S. equity options and futures options. Leveraging advanced proprietary software and data-driven analysis, the firm optimizes trading strategies and develops innovative solutions to capitalize on financial market opportunities, maintaining a competitive edge through automation and a collaborative team of technologists and traders. With a workforce exceeding 300 and led by CEO Erik Swanson since 2014, Simplex operates with a low-ego, high-intelligence culture, focusing on minimal bureaucracy and rapid execution, while also making strategic venture capital investments in fintech startups. Recognized as a top workplace in Chicago by Built In’s 2025 awards, Simplex continues to evolve, blending cutting-edge technology with a commitment to market efficiency and growth.

This Fund
S&P 500
This Quarter Est. Return
+6.28%
1 Year Est. Return
+62.07%
3 Year Est. Return
+116.86%
5 Year Est. Return
+116.02%
10 Year Est. Return
+774.44%
AUM
$91.9B
AUM Growth
+$3.47B
Cap. Flow
+$1.91B
Cap. Flow %
2.08%
Top 10 Hldgs %
34.1%
Holding
11,206
New
1,219
Increased
3,365
Reduced
4,370
Closed
1,942

Top Buys

Rank Stock Value
1
AMZN icon
Amazon
AMZN
+$170M
2
QQQ icon
Invesco QQQ Trust
QQQ
+$71.3M
3
T icon
AT&T
T
+$44.2M
4
META icon
Meta Platforms (Facebook)
META
+$37.1M
5
EEM icon
iShares MSCI Emerging Markets ETF
EEM
+$34.4M

Top Sells

Rank Stock Value
1
MSFT icon
Microsoft
MSFT
+$94.3M
2
JPM icon
JPMorgan Chase
JPM
+$68.2M
3
C icon
Citigroup
C
+$62.8M
4
BRK.B icon
Berkshire Hathaway Class B
BRK.B
+$50.9M
5
GLD icon
SPDR Gold Trust
GLD
+$46.3M

Sector Composition

Rank Sector Weight
1 Consumer Discretionary 0.38%
2 Technology 0.35%
3 Communication Services 0.24%
4 Healthcare 0.2%
5 Consumer Staples 0.13%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
HRTX icon
9676
PUT
Heron Therapeutics
HRTX
$86.3M
– –
-58,100
Closed -$245K
HSBC icon
9677
HSBC
HSBC
$355B
– –
-20,977
Closed -$595K
HSTM icon
9678
PUT
HealthStream
HSTM
$793M
– –
-100
Closed -$2K
HSY icon
9679
Hershey
HSY
$35.4B
– –
-14,649
Closed -$3.38M
HTBK
9680
CALL
DELISTED
Heritage Commerce
HTBK
– –
-1,800
Closed -$20K
HTBK
9681
PUT
DELISTED
Heritage Commerce
HTBK
– –
-200
Closed -$2K
HTH icon
9682
Hilltop Holdings
HTH
$2.29B
– –
-4,318
Closed -$107K
HTH icon
9683
PUT
Hilltop Holdings
HTH
$2.29B
– –
-15,100
Closed -$375K
HTLD icon
9684
CALL
Heartland Express
HTLD
$1.11B
– –
-2,100
Closed -$30K
HUBS icon
9685
HubSpot
HUBS
$10.5B
– –
-762
Closed -$216K
HUN icon
9686
Huntsman Corp
HUN
$2.24B
– –
-22,953
Closed -$624K
HURN icon
9687
CALL
Huron Consulting
HURN
$1.82B
– –
-900
Closed -$59K
HVT icon
9688
Haverty Furniture Companies
HVT
$401M
– –
-7,544
Closed -$221K
HWC icon
9689
Hancock Whitney
HWC
$6.13B
– –
-11
Closed -$569
HWKN icon
9690
CALL
Hawkins
HWKN
$2.91B
– –
-200
Closed -$7K
HXL icon
9691
CALL
Hexcel
HXL
$8.32B
– –
-1,200
Closed -$62K
HXL icon
9692
PUT
Hexcel
HXL
$8.32B
– –
-1,100
Closed -$56K
HYMC icon
9693
Hycroft Mining Holding Corp
HYMC
$1.85B
– –
-17,067
Closed -$109K
HZO icon
9694
MarineMax
HZO
$800M
– –
-936
Closed -$29.4K
IAU icon
9695
iShares Gold Trust
IAU
$63B
– –
-1,579
Closed -$51.9K
IBCP icon
9696
CALL
Independent Bank Corp
IBCP
$776M
– –
-200
Closed -$3K
ICF icon
9697
iShares Select U.S. REIT ETF
ICF
$2.12B
– –
-776
Closed -$41K
ICMB icon
9698
Investcorp Credit Management BDC
ICMB
$11.3M
– –
-64
Closed -$243
IDA icon
9699
CALL
Idacorp
IDA
$8.23B
– –
-200
Closed -$19K
ICUI icon
9700
ICU Medical
ICUI
$3.93B
– –
-3,306
Closed -$503K
386 387
388
389 390

Similar funds

Mitsubishi UFJ Asset Management
Mitsubishi UFJ Asset Management Tokyo, Japan $149B AUM 24.71% 1-Year Est. Return
Creative Planning
Creative Planning Overland Park, Kansas $147B AUM 18.73% 1-Year Est. Return
Jennison Associates
Jennison Associates New York $145B AUM 34.61% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
Sumitomo Mitsui Trust Group
Sumitomo Mitsui Trust Group Minato-Ku, Tokyo, Japan $154B AUM 29.96% 1-Year Est. Return
Canada Pension Plan Investment Board
Canada Pension Plan Investment Board Toronto Ontario, Ontario, Canada $155B AUM 29.93% 1-Year Est. Return
Victory Capital Management
Victory Capital Management San Antonio, Texas $156B AUM 27.51% 1-Year Est. Return
First Trust Advisors
First Trust Advisors Wheaton, Illinois $140B AUM 27.84% 1-Year Est. Return

Simplex Trading's Q4 2022 Portfolio in Review

As of Q4 2022, Simplex Trading held 11,206 positions worth $91.9B, up 3.9% from $88.5B the previous quarter. Its ten largest holdings account for 34% of the portfolio.

Simplex Trading's Q4 2022 filing shows 1,219 new, 3,365 increased, 4,370 reduced and 1,942 closed positions. Its largest new stake was iShares MSCI Emerging Markets ETF: 932,756 shares worth $35.4M. The largest sale was Microsoft, an estimated $94.3M.

By sector, the portfolio is most concentrated in Consumer Discretionary at 0.38% of assets, up from 0.3% a quarter earlier, followed by Technology and Communication Services.

  • Simplex Trading's largest Q4 2022 buy was iShares MSCI Emerging Markets ETF: 932,756 shares worth $35.4M.
  • Simplex Trading added most to Amazon in Q4 2022, an estimated $170M increase.
  • Simplex Trading's biggest Q4 2022 reduction was Microsoft, cutting an estimated $94.3M.
  • Simplex Trading fully exited JPMorgan Chase in Q4 2022, selling an estimated $68.2M.
  • Simplex Trading's ten largest holdings make up 34% of its $91.9B portfolio in Q4 2022.
  • Simplex Trading opened 1,219 new positions and closed 1,942 in Q4 2022.
  • Simplex Trading's portfolio value rose 3.9% quarter-over-quarter to $91.9B.

Based on Simplex Trading's 13F filing for Q4 2022, filed 2 Feb 2023.