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 | |
|---|---|---|---|---|---|---|
|
VXX
51
DELISTED
iPath S&P 500 VIX Short-Term Futures ETN due 1/30/2019
VXX
| $2.3M | 0.18% |
+8,164
| New | +$2.3M |
|
52
Verizon
VZ
$186B
| $2.29M | 0.18% |
+42,401
| New | +$2.29M |
|
|
CVC
53
DELISTED
CABLEVISION SYS CP NY GRP CL-A
CVC
| $2.28M | 0.18% |
69,239
+10,787
| +18% | +$356K |
|
|
HMIN
54
DELISTED
HOMEINNS HOTEL GROUP SPONSORED ADR
HMIN
| $2.25M | 0.18% |
63,153
+53,045
| +525% | +$1.89M |
|
55
Signet Jewelers
SIG
$3.73B
| $2.16M | 0.17% |
17,396
-11,415
| -40% | -$1.42M |
|
56
American Airlines Group
AAL
$8.49B
| $2.14M | 0.17% |
52,163
-155,710
| -75% | -$6.39M |
|
|
CIT
57
DELISTED
CIT Group Inc.
CIT
| $2.14M | 0.17% |
+68,894
| New | +$2.14M |
|
58
Salesforce
CRM
$232B
| $2.13M | 0.17% |
+28,789
| New | +$2.13M |
|
59
Ralph Lauren
RL
$19.4B
| $2.07M | 0.16% |
+21,498
| New | +$2.07M |
|
|
ATVI
60
DELISTED
Activision Blizzard Inc.
ATVI
| $2.02M | 0.16% |
59,831
+53,216
| +804% | +$1.8M |
|
61
TripAdvisor
TRIP
$2.09B
| $2M | 0.16% |
30,077
-12,581
| -29% | -$837K |
|
62
Teva Pharmaceuticals
TEVA
$21.2B
| $1.94M | 0.15% |
+36,284
| New | +$1.94M |
|
63
United Airlines
UAL
$34.3B
| $1.92M | 0.15% |
32,007
+29,044
| +980% | +$1.74M |
|
|
PX
64
DELISTED
Praxair Inc
PX
| $1.91M | 0.15% |
+16,654
| New | +$1.91M |
|
|
DD
65
DELISTED
Du Pont De Nemours E I
DD
| $1.9M | 0.15% |
29,950
+25,950
| +649% | +$1.64M |
|
|
LNKD
66
DELISTED
LinkedIn Corporation
LNKD
| $1.85M | 0.15% |
16,206
+7,531
| +87% | +$861K |
|
67
Expedia Group
EXPE
$26.8B
| $1.82M | 0.15% |
16,917
+1,606
| +10% | +$173K |
|
68
Las Vegas Sands
LVS
$37.8B
| $1.8M | 0.14% |
+34,884
| New | +$1.8M |
|
69
CVS Health
CVS
$93.5B
| $1.8M | 0.14% |
+17,329
| New | +$1.8M |
|
70
Direxion Daily Financial Bull 3x Shares
FAS
$2.74B
| $1.79M | 0.14% |
72,457
+65,768
| +983% | +$1.63M |
|
71
Terex
TEX
$3.39B
| $1.71M | 0.14% |
68,622
+57,982
| +545% | +$1.44M |
|
|
AET
72
DELISTED
Aetna Inc
AET
| $1.68M | 0.13% |
+14,937
| New | +$1.68M |
|
|
ANAC
73
DELISTED
ANACOR PHARMACEUTICALS INC COM
ANAC
| $1.66M | 0.13% |
+31,131
| New | +$1.66M |
|
74
GoPro
GPRO
$231M
| $1.65M | 0.13% |
138,107
+109,358
| +380% | +$1.31M |
|
75
SPDR Euro Stoxx 50 ETF
FEZ
$4.52B
| $1.65M | 0.13% |
+49,625
| New | +$1.65M |
|