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 | |
|---|---|---|---|---|---|---|
876
Lattice Semiconductor
LSCC
$9.16B
| $57K | ﹤0.01% |
8,836
+6,469
| +273% | +$41.7K |
|
877
WEC Energy
WEC
$35.2B
| $57K | ﹤0.01% |
1,118
-1,461
| -57% | -$74.5K |
|
878
ANI Pharmaceuticals
ANIP
$2.07B
| $56K | ﹤0.01% |
1,261
-2,253
| -64% | -$100K |
|
879
Strategic Education
STRA
$1.96B
| $56K | ﹤0.01% |
941
+453
| +93% | +$27K |
|
|
IMMU
880
DELISTED
Immunomedics Inc
IMMU
| $56K | ﹤0.01% |
18,462
-22,807
| -55% | -$69.2K |
|
|
SCG
881
DELISTED
Scana
SCG
| $56K | ﹤0.01% |
+933
| New | +$56K |
|
|
OAKS
882
DELISTED
Five Oaks Investment Corp.
OAKS
| $56K | ﹤0.01% |
+10,360
| New | +$56K |
|
883
Owens & Minor
OMI
$416M
| $55K | ﹤0.01% |
1,531
-689
| -31% | -$24.8K |
|
|
PRFT
884
DELISTED
Perficient Inc
PRFT
| $55K | ﹤0.01% |
3,268
-2,053
| -39% | -$34.6K |
|
|
AAIC
885
DELISTED
Arlington Asset Investment Corp.
AAIC
| $55K | ﹤0.01% |
+4,168
| New | +$55K |
|
|
TTM
886
DELISTED
Tata Motors Limited
TTM
| $55K | ﹤0.01% |
1,871
+72
| +4% | +$2.12K |
|
|
TGP
887
DELISTED
Teekay LNG Partners L.P.
TGP
| $55K | ﹤0.01% |
4,192
+3,980
| +1,877% | +$52.2K |
|
|
WFT
888
DELISTED
Weatherford International plc
WFT
| $55K | ﹤0.01% |
6,644
+2,625
| +65% | +$21.7K |
|
|
NMBL
889
DELISTED
Nimble Storage, Inc.
NMBL
| $55K | ﹤0.01% |
6,050
+5,642
| +1,383% | +$51.3K |
|
|
REGI
890
DELISTED
Renewable Energy Group, Inc.
REGI
| $55K | ﹤0.01% |
5,983
+1,851
| +45% | +$17K |
|
891
Gogo Inc
GOGO
$1.2B
| $54K | ﹤0.01% |
+3,069
| New | +$54K |
|
892
Direxion Daily 20+ Year Treasury Bear 3X Shares
TMV
$181M
| $54K | ﹤0.01% |
776
-2,308
| -75% | -$161K |
|
|
PAY
893
DELISTED
Verifone Systems Inc
PAY
| $54K | ﹤0.01% |
+1,933
| New | +$54K |
|
894
Adecoagro
AGRO
$817M
| $53K | ﹤0.01% |
4,358
+4,243
| +3,690% | +$51.6K |
|
895
Atmos Energy
ATO
$26.2B
| $53K | ﹤0.01% |
+856
| New | +$53K |
|
|
FSYS
896
DELISTED
FUEL SYSTEMS SOLUTIONS INC COM STK
FSYS
| $53K | ﹤0.01% |
+10,955
| New | +$53K |
|
|
HES
897
DELISTED
Hess
HES
| $52K | ﹤0.01% |
1,075
-14,222
| -93% | -$688K |
|
898
Neogen
NEOG
$1.19B
| $52K | ﹤0.01% |
2,496
-2,664
| -52% | -$55.5K |
|
899
SouthState Bank Corporation
SSB
$10.2B
| $52K | ﹤0.01% |
732
-376
| -34% | -$26.7K |
|
900
Dentsply Sirona
XRAY
$2.68B
| $52K | ﹤0.01% |
867
-2,391
| -73% | -$143K |
|