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 |
Broadcom
AVGO
|
$38.5M |
| 2 |
SPDR Gold Trust
GLD
|
$18.5M |
| 3 |
iShares MSCI Emerging Markets ETF
EEM
|
$15.8M |
| 4 |
SPDR S&P MidCap 400 ETF Trust
MDY
|
$12.9M |
| 5 |
QIHU
QIHOO 360 TECHNOLOGY CO LTD ADS RPSTG 3 CL A SHS
QIHU
|
$8.72M |
Top Sells
| 1 |
Apple
AAPL
|
$36.1M |
| 2 |
GMCR
KEURIG GREEN MTN INC
GMCR
|
$17.9M |
| 3 |
Chipotle Mexican Grill
CMG
|
$14.9M |
| 4 |
Walt Disney
DIS
|
$14.5M |
| 5 |
Alibaba
BABA
|
$13.3M |
Sector Composition
| 1 | Technology | 15.08% |
| 2 | Communication Services | 13.51% |
| 3 | Consumer Discretionary | 9.68% |
| 4 | Healthcare | 8.98% |
| 5 | Financials | 8.3% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
26
Netflix
NFLX
$534B
| $4M | 0.32% |
39,165
+26,298
| +204% | +$2.69M |
|
27
iShares 20+ Year Treasury Bond ETF
TLT
$48.1B
| $3.82M | 0.3% |
+29,253
| New | +$3.82M |
|
28
Delta Air Lines
DAL
$39.5B
| $3.53M | 0.28% |
72,546
+54,282
| +297% | +$2.64M |
|
29
Mastercard
MA
$538B
| $3.51M | 0.28% |
+37,120
| New | +$3.51M |
|
30
Charter Communications
CHTR
$35.4B
| $3.45M | 0.27% |
17,025
+14,518
| +579% | +$2.94M |
|
31
IBM
IBM
$230B
| $3.43M | 0.27% |
23,700
+12,007
| +103% | +$1.74M |
|
32
WisdomTree Japan Hedged Equity Fund
DXJ
$3.77B
| $3.27M | 0.26% |
+74,759
| New | +$3.27M |
|
33
General Mills
GIS
$26.5B
| $3.15M | 0.25% |
+49,685
| New | +$3.15M |
|
34
AB InBev
BUD
$116B
| $3.12M | 0.25% |
25,002
+24,061
| +2,557% | +$3M |
|
35
Baidu
BIDU
$33.8B
| $3.07M | 0.25% |
16,101
-118
| -0.7% | -$22.5K |
|
36
Johnson & Johnson
JNJ
$431B
| $2.96M | 0.24% |
+27,378
| New | +$2.96M |
|
37
VanEck Gold Miners ETF
GDX
$19.4B
| $2.91M | 0.23% |
145,922
-72,159
| -33% | -$1.44M |
|
38
Goldman Sachs
GS
$227B
| $2.86M | 0.23% |
18,218
-20,605
| -53% | -$3.23M |
|
39
Mondelez International
MDLZ
$78.8B
| $2.82M | 0.22% |
+70,215
| New | +$2.82M |
|
40
Corpay
CPAY
$22.6B
| $2.77M | 0.22% |
18,647
+16,385
| +724% | +$2.44M |
|
41
Deere & Co
DE
$128B
| $2.7M | 0.22% |
35,133
-12,938
| -27% | -$996K |
|
42
Devon Energy
DVN
$22.6B
| $2.67M | 0.21% |
97,226
+54,286
| +126% | +$1.49M |
|
43
Macy's
M
$4.61B
| $2.62M | 0.21% |
59,366
+56,934
| +2,341% | +$2.51M |
|
44
ProShares UltraShort S&P500
SDS
$439M
| $2.61M | 0.21% |
6,884
+122
| +2% | +$46.2K |
|
45
General Motors
GM
$55.4B
| $2.59M | 0.21% |
82,442
+8,815
| +12% | +$277K |
|
46
Nike
NKE
$111B
| $2.56M | 0.2% |
+41,649
| New | +$2.56M |
|
47
ProShares Short VIX Short-Term Futures ETF
SVXY
$250M
| $2.54M | 0.2% |
+50,237
| New | +$2.54M |
|
48
Coca-Cola
KO
$294B
| $2.48M | 0.2% |
+53,548
| New | +$2.48M |
|
49
Blackstone
BX
$133B
| $2.48M | 0.2% |
88,493
+41,098
| +87% | +$1.15M |
|
50
Direxion Daily S&P 500 Bull 3x Shares
SPXL
$5.54B
| $2.43M | 0.19% |
116,512
+102,336
| +722% | +$2.14M |
|