Simplex Trading Portfolio holdings
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.
Top Buys
| 1 |
Apple
AAPL
|
+$586M |
| 2 |
Strategy Inc Common Stock Class A
MSTR
|
+$82.5M |
| 3 |
Intel
INTC
|
+$40.4M |
| 4 |
Invesco QQQ Trust
QQQ
|
+$39.4M |
| 5 |
Uber
UBER
|
+$36.3M |
Top Sells
| 1 |
NVIDIA
NVDA
|
+$130M |
| 2 |
Pinduoduo
PDD
|
+$95.7M |
| 3 |
Boeing
BA
|
+$56.2M |
| 4 |
KraneShares CSI China Internet ETF
KWEB
|
+$40.7M |
| 5 |
Microsoft
MSFT
|
+$40.5M |
Sector Composition
| 1 | Technology | 34.29% |
| 2 | Consumer Discretionary | 11.38% |
| 3 | Healthcare | 9.65% |
| 4 | Financials | 6.33% |
| 5 | Communication Services | 5.52% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
826
Old National Bancorp
ONB
$8.87B
| $287K | ﹤0.01% |
13,243
+1,517
| +13% | +$32.9K |
|
827
Tennant Co
TNC
$1.49B
| $287K | ﹤0.01% |
3,523
+2,498
| +244% | +$203K |
|
828
Lemonade
LMND
$3.76B
| $286K | ﹤0.01% |
7,817
-40,675
| -84% | -$1.49M |
|
829
Valmont Industries
VMI
$7.5B
| $285K | ﹤0.01% |
932
+381
| +69% | +$117K |
|
830
Bitwise Bitcoin ETF
BITB
$4.38B
| $284K | ﹤0.01% |
+5,589
| New | +$284K |
|
831
eHealth
EHTH
$119M
| $284K | ﹤0.01% |
30,216
+29,097
| +2,600% | +$273K |
|
832
Luminar Technologies
LAZR
$116M
| $284K | ﹤0.01% |
+52,941
| New | +$284K |
|
833
Ryanair
RYAAY
$31.1B
| $283K | ﹤0.01% |
+6,498
| New | +$283K |
|
|
MESO
834
Mesoblast
MESO
$1.99B
| $282K | ﹤0.01% |
14,249
-5,055
| -26% | -$100K |
|
835
Sprott Uranium Miners ETF
URNM
$1.77B
| $282K | ﹤0.01% |
7,006
-27,967
| -80% | -$1.13M |
|
836
EPR Properties
EPR
$4.23B
| $281K | ﹤0.01% |
6,356
+3,746
| +144% | +$166K |
|
|
DESP
837
DELISTED
Despegar.com
DESP
| $280K | ﹤0.01% |
14,563
+4,247
| +41% | +$81.7K |
|
838
Lantronix
LTRX
$184M
| $276K | ﹤0.01% |
67,082
+46,267
| +222% | +$190K |
|
839
Cars.com
CARS
$821M
| $273K | ﹤0.01% |
15,762
+11,760
| +294% | +$204K |
|
840
DXP Enterprises
DXPE
$1.78B
| $273K | ﹤0.01% |
3,305
+2,374
| +255% | +$196K |
|
841
TEGNA Inc
TGNA
$3.38B
| $273K | ﹤0.01% |
+14,962
| New | +$273K |
|
842
Elbit Systems
ESLT
$23.4B
| $272K | ﹤0.01% |
1,056
+1,049
| +14,986% | +$270K |
|
843
Community Health Systems
CYH
$404M
| $271K | ﹤0.01% |
90,801
-29,112
| -24% | -$86.9K |
|
844
Universal Display
OLED
$6.55B
| $270K | ﹤0.01% |
1,852
-5,452
| -75% | -$795K |
|
845
Genpact
G
$7.47B
| $269K | ﹤0.01% |
+6,275
| New | +$269K |
|
846
Deutsche Bank
DB
$69.7B
| $267K | ﹤0.01% |
+15,713
| New | +$267K |
|
847
Teucrium Corn Fund
CORN
$48.6M
| $266K | ﹤0.01% |
14,212
+4,688
| +49% | +$87.7K |
|
848
Direxion Daily NYSE FANG+ Bull 2X Shares
FNGG
$140M
| $265K | ﹤0.01% |
+1,477
| New | +$265K |
|
849
Invesco Senior Loan ETF
BKLN
$6.88B
| $263K | ﹤0.01% |
12,528
+4,844
| +63% | +$102K |
|
850
Sportsman's Warehouse
SPWH
$111M
| $263K | ﹤0.01% |
+98,544
| New | +$263K |
|