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 | |
|---|---|---|---|---|---|---|
|
WBT
626
DELISTED
Welbilt, Inc.
WBT
| $103K | 0.01% |
+7,000
| New | +$103K |
|
627
PJT Partners
PJT
$4.54B
| $102K | 0.01% |
4,252
+4,214
| +11,089% | +$101K |
|
|
RGLS
628
DELISTED
Regulus Therapeutics
RGLS
| $102K | 0.01% |
123
+94
| +324% | +$78K |
|
|
CAMP
629
DELISTED
CalAmp Corp.
CAMP
| $101K | 0.01% |
+246
| New | +$101K |
|
|
SONC
630
DELISTED
Sonic Corp
SONC
| $101K | 0.01% |
+2,884
| New | +$101K |
|
|
NRF
631
DELISTED
NorthStar Realty Finance Corp.
NRF
| $101K | 0.01% |
7,744
+3,730
| +93% | +$48.6K |
|
|
HEES
632
DELISTED
H&E Equipment Services
HEES
| $100K | 0.01% |
5,749
-13,926
| -71% | -$242K |
|
633
Tapestry
TPR
$22.2B
| $100K | 0.01% |
2,505
-17,503
| -87% | -$699K |
|
|
VSLR
634
DELISTED
VIVINT SOLAR, INC.
VSLR
| $100K | 0.01% |
38,037
+33,556
| +749% | +$88.2K |
|
|
STRZA
635
DELISTED
Starz - Series A
STRZA
| $100K | 0.01% |
3,802
-23,855
| -86% | -$627K |
|
636
Clean Energy Fuels
CLNE
$555M
| $99K | 0.01% |
34,126
+29,930
| +713% | +$86.8K |
|
637
Dave & Buster's
PLAY
$796M
| $99K | 0.01% |
2,568
+2,549
| +13,416% | +$98.3K |
|
638
Silicon Motion
SIMO
$3.03B
| $99K | 0.01% |
2,575
-2,081
| -45% | -$80K |
|
|
OKS
639
DELISTED
Oneok Partners LP
OKS
| $99K | 0.01% |
+3,162
| New | +$99K |
|
640
Advanced Micro Devices
AMD
$253B
| $98K | 0.01% |
+34,437
| New | +$98K |
|
641
Armstrong World Industries
AWI
$8.61B
| $98K | 0.01% |
+2,037
| New | +$98K |
|
642
Freeport-McMoran
FCX
$65.9B
| $98K | 0.01% |
9,541
-169,410
| -95% | -$1.74M |
|
643
HP
HPQ
$26.5B
| $98K | 0.01% |
8,000
-18,298
| -70% | -$224K |
|
|
JOBS
644
DELISTED
51job, Inc.
JOBS
| $98K | 0.01% |
3,163
+3,063
| +3,063% | +$94.9K |
|
|
OIL
645
DELISTED
Barclays Bank PLC iPath Exchange Traded Notes Linked to Goldman Sachs Crude Oil Total Return In
OIL
| $98K | 0.01% |
19,290
-30,177
| -61% | -$153K |
|
646
Caesarstone
CSTE
$49.8M
| $97K | 0.01% |
2,843
+2,437
| +600% | +$83.1K |
|
647
PBF Energy
PBF
$3.31B
| $97K | 0.01% |
+2,942
| New | +$97K |
|
|
BPY
648
DELISTED
Brookfield Property Partners L.P. Limited Partnership Units
BPY
| $97K | 0.01% |
4,226
+4,009
| +1,847% | +$92K |
|
|
QIWI
649
DELISTED
QIWI PLC
QIWI
| $97K | 0.01% |
6,745
+654
| +11% | +$9.41K |
|
650
Big 5 Sporting Goods
BGFV
$32.5M
| $96K | 0.01% |
+8,667
| New | +$96K |
|