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
|
+$32.1M |
| 2 |
Bausch Health
BHC
|
+$18.4M |
| 3 |
GMCR
KEURIG GREEN MTN INC
GMCR
|
+$17.9M |
| 4 |
Chipotle Mexican Grill
CMG
|
+$14.9M |
| 5 |
Amazon
AMZN
|
+$13M |
Top Sells
| 1 |
iShares Russell 2000 ETF
IWM
|
+$27.5M |
| 2 |
SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$13.7M |
| 3 |
iShares 20+ Year Treasury Bond ETF
TLT
|
+$12.1M |
| 4 |
Netflix
NFLX
|
+$10.7M |
| 5 |
iShares MSCI Emerging Markets ETF
EEM
|
+$10.7M |
Sector Composition
| 1 | Consumer Discretionary | 17.29% |
| 2 | Healthcare | 13.74% |
| 3 | Technology | 12.76% |
| 4 | Communication Services | 12.12% |
| 5 | Industrials | 10.49% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
401
Novartis
NVS
$238B
| $259K | 0.02% |
3,366
-6,591
| -66% | -$507K |
|
|
BRSL
402
Brightstar Lottery PLC
BRSL
$3.17B
| $256K | 0.02% |
+15,827
| New | +$256K |
|
|
WPX
403
DELISTED
WPX Energy, Inc.
WPX
| $256K | 0.02% |
44,609
+32,526
| +269% | +$187K |
|
|
ATVI
404
DELISTED
Activision Blizzard Inc.
ATVI
| $256K | 0.02% |
+6,615
| New | +$256K |
|
405
Invesco CurrencyShares Swiss Franc Trust
FXF
$380M
| $255K | 0.02% |
+2,656
| New | +$255K |
|
406
Motorola Solutions
MSI
$79.1B
| $255K | 0.02% |
3,736
-2,643
| -41% | -$180K |
|
407
ProShares UltraShort Bloomberg Crude Oil
SCO
$124M
| $255K | 0.02% |
191
-234
| -55% | -$312K |
|
|
BDSI
408
DELISTED
BioDelivery Sciences International, Inc.
BDSI
| $255K | 0.02% |
53,238
-41,892
| -44% | -$201K |
|
409
Esperion Therapeutics
ESPR
$554M
| $254K | 0.02% |
+11,412
| New | +$254K |
|
410
Open Text
OTEX
$9.49B
| $254K | 0.02% |
10,618
-2,708
| -20% | -$64.8K |
|
|
DST
411
DELISTED
DST Systems Inc.
DST
| $253K | 0.02% |
+4,446
| New | +$253K |
|
|
AFAM
412
DELISTED
Almost Family Inc
AFAM
| $253K | 0.02% |
6,634
+3,756
| +131% | +$143K |
|
413
Jefferies Financial Group
JEF
$14.5B
| $250K | 0.02% |
16,075
+11,548
| +255% | +$180K |
|
414
Starbucks
SBUX
$94.9B
| $250K | 0.02% |
4,165
-64,734
| -94% | -$3.89M |
|
415
Essential Utilities
WTRG
$10.5B
| $250K | 0.02% |
8,410
+7,272
| +639% | +$216K |
|
416
Toyota
TM
$261B
| $249K | 0.02% |
2,030
-2,279
| -53% | -$280K |
|
417
SPDR S&P Retail ETF
XRT
$349M
| $249K | 0.02% |
5,771
-28,332
| -83% | -$1.22M |
|
|
CAM
418
DELISTED
CAMERON INTERNATIONAL CORPORATION
CAM
| $249K | 0.02% |
3,945
+245
| +7% | +$15.5K |
|
419
Rockwell Automation
ROK
$39.2B
| $248K | 0.02% |
2,421
-580
| -19% | -$59.4K |
|
420
Invesco CurrencyShares Japanese Yen Trust
FXY
$560M
| $247K | 0.02% |
3,066
-1,675
| -35% | -$135K |
|
421
Idexx Laboratories
IDXX
$52.5B
| $246K | 0.02% |
3,377
-991
| -23% | -$72.2K |
|
|
BGG
422
DELISTED
Briggs & Stratton Corp.
BGG
| $246K | 0.02% |
14,269
+14,263
| +237,717% | +$246K |
|
|
LLL
423
DELISTED
L3 Technologies, Inc.
LLL
| $246K | 0.02% |
2,062
+267
| +15% | +$31.9K |
|
|
CNL
424
DELISTED
CLECO CRP (HOLDING CO)
CNL
| $245K | 0.02% |
4,702
+2,932
| +166% | +$153K |
|
425
American Coastal Insurance
ACIC
$541M
| $241K | 0.02% |
14,130
+4,469
| +46% | +$76.2K |
|