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 | |
|---|---|---|---|---|---|---|
226
Kroger
KR
$44.3B
| $514K | 0.04% |
+13,453
| New | +$514K |
|
227
Xerox
XRX
$464M
| $511K | 0.04% |
+17,409
| New | +$511K |
|
|
DST
228
DELISTED
DST Systems Inc.
DST
| $511K | 0.04% |
9,066
+4,620
| +104% | +$260K |
|
229
Toyota
TM
$258B
| $503K | 0.04% |
4,735
+2,705
| +133% | +$287K |
|
|
TTM
230
DELISTED
Tata Motors Limited
TTM
| $502K | 0.04% |
17,283
+15,412
| +824% | +$448K |
|
231
Fossil Group
FOSL
$158M
| $498K | 0.04% |
11,223
+10,121
| +918% | +$449K |
|
232
Philips
PHG
$26.9B
| $497K | 0.04% |
23,492
+7,622
| +48% | +$161K |
|
233
Royal Gold
RGLD
$12.3B
| $496K | 0.04% |
9,678
+6,232
| +181% | +$319K |
|
|
CKH
234
DELISTED
Seacor Holdings Inc.
CKH
| $494K | 0.04% |
+9,389
| New | +$494K |
|
235
Fiserv
FI
$72.5B
| $490K | 0.04% |
+9,568
| New | +$490K |
|
|
BUFF
236
DELISTED
Blue Buffalo Pet Products, Inc
BUFF
| $487K | 0.04% |
+19,013
| New | +$487K |
|
237
Intercontinental Exchange
ICE
$98.4B
| $486K | 0.04% |
+10,345
| New | +$486K |
|
238
KKR & Co
KKR
$125B
| $486K | 0.04% |
33,137
+9,288
| +39% | +$136K |
|
239
SPDR S&P Biotech ETF
XBI
$5.42B
| $484K | 0.04% |
9,373
+8,772
| +1,460% | +$453K |
|
|
VMW
240
DELISTED
VMware, Inc
VMW
| $482K | 0.04% |
+9,231
| New | +$482K |
|
241
Criteo
CRTO
$1.23B
| $480K | 0.04% |
+11,596
| New | +$480K |
|
242
Lumen
LUMN
$6.16B
| $480K | 0.04% |
+15,042
| New | +$480K |
|
243
Altria Group
MO
$111B
| $480K | 0.04% |
+7,673
| New | +$480K |
|
244
VF Corp
VFC
$5.85B
| $477K | 0.04% |
7,823
-3,942
| -34% | -$240K |
|
245
ProShares Ultra QQQ
QLD
$9.22B
| $476K | 0.04% |
+51,608
| New | +$476K |
|
246
FMC
FMC
$4.62B
| $475K | 0.04% |
13,583
+11,381
| +517% | +$398K |
|
247
Globus Medical
GMED
$7.88B
| $475K | 0.04% |
20,018
+19,983
| +57,094% | +$474K |
|
248
Sturm, Ruger & Co
RGR
$558M
| $473K | 0.04% |
6,927
+2,143
| +45% | +$146K |
|
249
ProShares UltraPro S&P 500
UPRO
$4.64B
| $473K | 0.04% |
+44,892
| New | +$473K |
|
250
Direxion Daily FTSE China Bull 3X Shares
YINN
$1.13B
| $471K | 0.04% |
1,644
+1,010
| +159% | +$289K |
|