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 | |
|---|---|---|---|---|---|---|
|
VNET
726
VNET Group
VNET
$2.24B
| $398K | ﹤0.01% |
84,145
-7,077
| -8% | -$33.5K |
|
727
McEwen Inc.
MUX
$734M
| $397K | ﹤0.01% |
51,049
-76,872
| -60% | -$598K |
|
728
Weibo
WB
$3B
| $397K | ﹤0.01% |
+41,596
| New | +$397K |
|
729
Woodside Energy
WDS
$30.8B
| $397K | ﹤0.01% |
+25,465
| New | +$397K |
|
730
Innoviz Technologies
INVZ
$375M
| $396K | ﹤0.01% |
236,185
+48,321
| +26% | +$81K |
|
731
Silicon Motion
SIMO
$2.85B
| $393K | ﹤0.01% |
+7,272
| New | +$393K |
|
732
VanEck ChiNext ETF
CNXT
$37M
| $391K | ﹤0.01% |
14,220
+9,857
| +226% | +$271K |
|
733
Red Cat Holdings
RCAT
$860M
| $391K | ﹤0.01% |
30,483
-43,806
| -59% | -$562K |
|
734
Genius Sports
GENI
$3.06B
| $389K | ﹤0.01% |
45,038
-43,264
| -49% | -$374K |
|
735
Alliance Resource Partners
ARLP
$2.89B
| $384K | ﹤0.01% |
+14,617
| New | +$384K |
|
736
Park Hotels & Resorts
PK
$2.34B
| $383K | ﹤0.01% |
+27,278
| New | +$383K |
|
737
Treehouse Foods
THS
$898M
| $383K | ﹤0.01% |
+10,929
| New | +$383K |
|
738
Huntington Bancshares
HBAN
$25.7B
| $382K | ﹤0.01% |
23,527
-109,059
| -82% | -$1.77M |
|
|
EVRI
739
DELISTED
Everi Holdings
EVRI
| $381K | ﹤0.01% |
+28,243
| New | +$381K |
|
740
Direxion Daily Junior Gold Miners Index Bull 2X Shares
JNUG
$486M
| $381K | ﹤0.01% |
10,457
-4,110
| -28% | -$150K |
|
741
SFL Corp
SFL
$1.09B
| $378K | ﹤0.01% |
37,054
-249
| -0.7% | -$2.54K |
|
742
ICL Group
ICL
$7.87B
| $375K | ﹤0.01% |
76,004
+21,242
| +39% | +$105K |
|
743
Charles River Laboratories
CRL
$7.75B
| $372K | ﹤0.01% |
2,019
-1,150
| -36% | -$212K |
|
744
Krispy Kreme
DNUT
$531M
| $371K | ﹤0.01% |
37,396
-26,378
| -41% | -$262K |
|
745
Cooper-Standard Automotive
CPS
$686M
| $370K | ﹤0.01% |
27,294
+23,095
| +550% | +$313K |
|
746
Stitch Fix
SFIX
$761M
| $369K | ﹤0.01% |
85,693
+44,688
| +109% | +$192K |
|
747
Entergy
ETR
$38.8B
| $365K | ﹤0.01% |
+4,822
| New | +$365K |
|
748
Invesco KBW Bank ETF
KBWB
$4.91B
| $365K | ﹤0.01% |
5,590
+5,554
| +15,428% | +$363K |
|
749
O-I Glass
OI
$1.99B
| $365K | ﹤0.01% |
33,708
-28,664
| -46% | -$310K |
|
750
Cogent Biosciences
COGT
$1.79B
| $363K | ﹤0.01% |
+46,610
| New | +$363K |
|