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 | |
|---|---|---|---|---|---|---|
|
SHPG
151
DELISTED
Shire pic
SHPG
| $816K | 0.07% |
+4,752
| New | +$816K |
|
152
Invesco CurrencyShares British Pound Sterling Trust
FXB
$90.8M
| $815K | 0.07% |
+5,802
| New | +$815K |
|
|
AXLL
153
DELISTED
AXIALL CORP COM STK (DE)
AXLL
| $815K | 0.07% |
+37,337
| New | +$815K |
|
154
Illumina
ILMN
$15.7B
| $808K | 0.06% |
5,127
-4,806
| -48% | -$757K |
|
155
Trip.com Group
TCOM
$47.6B
| $800K | 0.06% |
+18,085
| New | +$800K |
|
156
Direxion Daily Small Cap Bear 3x Shares
TZA
$287M
| $787K | 0.06% |
459
+233
| +103% | +$400K |
|
157
Check Point Software Technologies
CHKP
$20.7B
| $783K | 0.06% |
+8,953
| New | +$783K |
|
158
Aflac
AFL
$57.2B
| $771K | 0.06% |
+24,450
| New | +$771K |
|
159
JPMorgan Chase
JPM
$809B
| $767K | 0.06% |
12,956
-15,920
| -55% | -$942K |
|
|
HIFR
160
DELISTED
InfraREIT, Inc.
HIFR
| $760K | 0.06% |
44,577
+44,571
| +742,850% | +$760K |
|
|
PF
161
DELISTED
Pinnacle Foods, Inc.
PF
| $754K | 0.06% |
16,879
+2,683
| +19% | +$120K |
|
162
O'Reilly Automotive
ORLY
$89B
| $750K | 0.06% |
41,130
+29,265
| +247% | +$534K |
|
163
Ecolab
ECL
$77.6B
| $728K | 0.06% |
+6,533
| New | +$728K |
|
164
Alkermes
ALKS
$4.94B
| $726K | 0.06% |
+21,245
| New | +$726K |
|
|
CALD
165
DELISTED
Callidus Software, Inc.
CALD
| $725K | 0.06% |
43,506
+43,064
| +9,743% | +$718K |
|
|
TUP
166
DELISTED
Tupperware Brands Corporation
TUP
| $720K | 0.06% |
+12,421
| New | +$720K |
|
167
Royal Bank of Canada
RY
$204B
| $714K | 0.06% |
12,409
+5,055
| +69% | +$291K |
|
168
Direxion Daily Gold Miners Index Bull 2X Shares
NUGT
$847M
| $710K | 0.06% |
+3,033
| New | +$710K |
|
|
FIT
169
DELISTED
Fitbit, Inc. Class A common stock
FIT
| $707K | 0.06% |
46,719
+17,311
| +59% | +$262K |
|
|
P
170
DELISTED
Pandora Media Inc
P
| $706K | 0.06% |
78,911
-30,284
| -28% | -$271K |
|
171
Methanex
MEOH
$2.99B
| $705K | 0.06% |
+21,961
| New | +$705K |
|
172
Transocean
RIG
$2.9B
| $699K | 0.06% |
+76,479
| New | +$699K |
|
173
Applied Materials
AMAT
$130B
| $697K | 0.06% |
32,932
+10,371
| +46% | +$220K |
|
174
FirstEnergy
FE
$25.1B
| $696K | 0.06% |
+19,366
| New | +$696K |
|
|
SGI
175
Somnigroup International Inc.
SGI
$18.3B
| $695K | 0.06% |
+45,756
| New | +$695K |
|