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 |
Apple
AAPL
|
$32.9M |
| 2 |
Gilead Sciences
GILD
|
$30.1M |
| 3 |
Booking.com
BKNG
|
$29M |
| 4 |
Amazon
AMZN
|
$25.6M |
| 5 |
Baidu
BIDU
|
$16.2M |
Top Sells
Sector Composition
| 1 | Consumer Discretionary | 23.68% |
| 2 | Technology | 19.11% |
| 3 | Healthcare | 14.31% |
| 4 | Energy | 9.3% |
| 5 | Communication Services | 8.24% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
|
AWAY
351
DELISTED
HOMEAWAY INC COM
AWAY
| $174K | 0.02% |
+5,847
| New | +$174K |
|
|
SAPE
352
DELISTED
SAPIENT CORP
SAPE
| $174K | 0.02% |
+6,978
| New | +$174K |
|
353
Incyte
INCY
$16.9B
| $173K | 0.02% |
+2,369
| New | +$173K |
|
354
Verint Systems
VRNT
$1.23B
| $173K | 0.02% |
+5,818
| New | +$173K |
|
355
Dillards
DDS
$9B
| $172K | 0.02% |
+1,374
| New | +$172K |
|
356
Rockwell Automation
ROK
$38.2B
| $171K | 0.02% |
+1,539
| New | +$171K |
|
357
Bank of America
BAC
$369B
| $170K | 0.02% |
+9,500
| New | +$170K |
|
358
Vanguard High Dividend Yield ETF
VYM
$64.2B
| $169K | 0.02% |
+2,461
| New | +$169K |
|
359
Franco-Nevada
FNV
$37.3B
| $168K | 0.02% |
+3,408
| New | +$168K |
|
|
WNR
360
DELISTED
Western Refining Inc
WNR
| $168K | 0.02% |
+4,451
| New | +$168K |
|
|
WES
361
DELISTED
Western Gas Partners Lp
WES
| $168K | 0.02% |
+2,304
| New | +$168K |
|
|
WWE
362
DELISTED
World Wrestling Entertainment
WWE
| $167K | 0.02% |
+13,549
| New | +$167K |
|
363
Fossil Group
FOSL
$165M
| $166K | 0.02% |
+1,497
| New | +$166K |
|
364
VanEck Brazil Small-Cap ETF
BRF
$20.6M
| $166K | 0.02% |
+7,895
| New | +$166K |
|
365
Central Pacific Financial
CPF
$841M
| $166K | 0.02% |
+7,700
| New | +$166K |
|
|
ELLI
366
DELISTED
Ellie Mae Inc
ELLI
| $166K | 0.02% |
+4,105
| New | +$166K |
|
367
Simon Property Group
SPG
$59.5B
| $164K | 0.02% |
+900
| New | +$164K |
|
368
Lam Research
LRCX
$130B
| $163K | 0.02% |
+20,570
| New | +$163K |
|
369
Kroger
KR
$44.8B
| $163K | 0.02% |
+5,092
| New | +$163K |
|
370
Advance Auto Parts
AAP
$3.63B
| $161K | 0.02% |
+1,012
| New | +$161K |
|
371
Suburban Propane Partners
SPH
$1.2B
| $161K | 0.02% |
+3,731
| New | +$161K |
|
|
EEP
372
DELISTED
Enbridge Energy Partners
EEP
| $161K | 0.02% |
+4,029
| New | +$161K |
|
373
American Tower
AMT
$92.9B
| $160K | 0.02% |
+1,620
| New | +$160K |
|
|
RLYP
374
DELISTED
RELYPSA INC COM
RLYP
| $160K | 0.02% |
+5,188
| New | +$160K |
|
375
Arq
ARQ
$302M
| $158K | 0.02% |
+6,945
| New | +$158K |
|