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 | |
|---|---|---|---|---|---|---|
76
HSBC
HSBC
$225B
| $1.64M | 0.13% |
59,009
+57,827
| +4,892% | +$1.6M |
|
77
Cognizant
CTSH
$34.9B
| $1.62M | 0.13% |
+25,760
| New | +$1.62M |
|
78
ProShares UltraPro QQQ
TQQQ
$26.7B
| $1.61M | 0.13% |
377,376
+64,776
| +21% | +$276K |
|
|
GOLD
79
DELISTED
Randgold Resources Ltd
GOLD
| $1.6M | 0.13% |
17,611
+3,520
| +25% | +$320K |
|
80
AutoZone
AZO
$70.8B
| $1.55M | 0.12% |
1,940
-2,008
| -51% | -$1.6M |
|
|
VIAB
81
DELISTED
Viacom Inc. Class B
VIAB
| $1.54M | 0.12% |
37,354
-11,663
| -24% | -$481K |
|
82
Cummins
CMI
$55.2B
| $1.51M | 0.12% |
13,696
-4,158
| -23% | -$457K |
|
83
Gilead Sciences
GILD
$140B
| $1.5M | 0.12% |
16,278
-74,563
| -82% | -$6.85M |
|
84
BP
BP
$88.4B
| $1.49M | 0.12% |
58,625
+24,329
| +71% | +$618K |
|
85
ProShares Ultra Real Estate
URE
$59.2M
| $1.47M | 0.12% |
25,952
+15,870
| +157% | +$900K |
|
86
Procter & Gamble
PG
$373B
| $1.46M | 0.12% |
+17,775
| New | +$1.46M |
|
87
Direxion Daily Financial Bear 3x Shares
FAZ
$102M
| $1.46M | 0.12% |
+859
| New | +$1.46M |
|
88
lululemon athletica
LULU
$24.7B
| $1.42M | 0.11% |
20,976
+2,312
| +12% | +$157K |
|
|
TIF
89
DELISTED
Tiffany & Co.
TIF
| $1.39M | 0.11% |
18,942
+1,540
| +9% | +$113K |
|
90
Ulta Beauty
ULTA
$23.7B
| $1.38M | 0.11% |
7,110
-905
| -11% | -$175K |
|
|
WBMD
91
DELISTED
WebMD Health Corp.
WBMD
| $1.35M | 0.11% |
21,590
+21,249
| +6,231% | +$1.33M |
|
92
Direxion Daily Energy Bull 2X Shares
ERX
$227M
| $1.34M | 0.11% |
5,696
+1,428
| +33% | +$336K |
|
|
WWAV
93
DELISTED
The WhiteWave Foods Company
WWAV
| $1.33M | 0.11% |
+32,628
| New | +$1.33M |
|
|
KS
94
DELISTED
KapStone Paper and Pack Corp.
KS
| $1.29M | 0.1% |
93,033
+87,609
| +1,615% | +$1.21M |
|
95
SPDR S&P Retail ETF
XRT
$439M
| $1.28M | 0.1% |
27,647
+21,876
| +379% | +$1.01M |
|
|
ENDP
96
DELISTED
Endo International plc
ENDP
| $1.26M | 0.1% |
+44,766
| New | +$1.26M |
|
97
ProShares UltraShort Silver
ZSL
$20.1M
| $1.24M | 0.1% |
+1,570
| New | +$1.24M |
|
98
Thermo Fisher Scientific
TMO
$185B
| $1.21M | 0.1% |
8,562
-7,669
| -47% | -$1.09M |
|
99
Markel Group
MKL
$24.8B
| $1.2M | 0.1% |
1,346
+239
| +22% | +$213K |
|
100
Under Armour
UAA
$2.26B
| $1.19M | 0.09% |
28,201
-23,246
| -45% | -$978K |
|