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 |
Financial Select Sector SPDR Fund
XLF
|
+$42.3M |
| 2 |
Shopify
SHOP
|
+$37.4M |
| 3 |
Verizon
VZ
|
+$34M |
| 4 |
iShares China Large-Cap ETF
FXI
|
+$33M |
| 5 |
Merck
MRK
|
+$28M |
Top Sells
| 1 |
AMC Entertainment Holdings
AMC
|
+$38.3M |
| 2 |
Carnival Corp
CCL
|
+$37.6M |
| 3 |
GE Aerospace
GE
|
+$33M |
| 4 |
Advanced Micro Devices
AMD
|
+$30.6M |
| 5 |
Micron Technology
MU
|
+$28.3M |
Sector Composition
| 1 | Technology | 20.53% |
| 2 | Consumer Discretionary | 13.81% |
| 3 | Healthcare | 11.39% |
| 4 | Communication Services | 7.32% |
| 5 | Industrials | 6.51% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
|
TFFP
1126
DELISTED
TFF Pharmaceuticals, Inc. Common Stock
TFFP
| $232K | ﹤0.01% |
1,050
+97
| +10% | +$21.4K |
|
1127
B2Gold
BTG
$5.97B
| $231K | ﹤0.01% |
+58,975
| New | +$231K |
|
1128
Enovix
ENVX
$1.73B
| $231K | ﹤0.01% |
+9,718
| New | +$231K |
|
1129
Nabors Industries
NBR
$621M
| $229K | ﹤0.01% |
+2,829
| New | +$229K |
|
1130
Kanzhun
BZ
$11.2B
| $228K | ﹤0.01% |
+6,552
| New | +$228K |
|
1131
Skywest
SKYW
$4.36B
| $228K | ﹤0.01% |
5,812
+2,858
| +97% | +$112K |
|
1132
ZipRecruiter
ZIP
$424M
| $228K | ﹤0.01% |
9,177
+4,752
| +107% | +$118K |
|
1133
Century Aluminum
CENX
$2.39B
| $227K | ﹤0.01% |
13,759
-15,814
| -53% | -$261K |
|
1134
Helios Technologies
HLIO
$1.82B
| $227K | ﹤0.01% |
+2,163
| New | +$227K |
|
|
JMIA
1135
Jumia Technologies
JMIA
$1.22B
| $227K | ﹤0.01% |
19,943
-78,303
| -80% | -$891K |
|
1136
Sprouts Farmers Market
SFM
$13.4B
| $227K | ﹤0.01% |
7,652
-43,282
| -85% | -$1.28M |
|
1137
Ardelyx
ARDX
$1.61B
| $226K | ﹤0.01% |
205,664
+178,643
| +661% | +$196K |
|
|
EVOP
1138
DELISTED
EVO Payments, Inc. Class A Common Stock
EVOP
| $226K | ﹤0.01% |
+8,867
| New | +$226K |
|
|
FRTA
1139
DELISTED
Forterra, Inc
FRTA
| $226K | ﹤0.01% |
9,528
+1,794
| +23% | +$42.6K |
|
|
DNMR
1140
DELISTED
Danimer Scientific, Inc.
DNMR
| $225K | ﹤0.01% |
663
-96
| -13% | -$32.6K |
|
1141
ICICI Bank
IBN
$114B
| $224K | ﹤0.01% |
11,362
-19,493
| -63% | -$384K |
|
|
ACC
1142
DELISTED
American Campus Communities, Inc.
ACC
| $223K | ﹤0.01% |
+3,894
| New | +$223K |
|
1143
Citigroup
C
$182B
| $222K | ﹤0.01% |
3,690
-218,237
| -98% | -$13.1M |
|
1144
Huntsman Corp
HUN
$1.9B
| $222K | ﹤0.01% |
+6,369
| New | +$222K |
|
1145
Molson Coors Class B
TAP
$9.52B
| $222K | ﹤0.01% |
4,800
| – | – |
|
1146
U-Haul Holding Co
UHAL
$10.9B
| $222K | ﹤0.01% |
3,070
-13,870
| -82% | -$1M |
|
1147
Veritone
VERI
$221M
| $221K | ﹤0.01% |
9,857
+4,167
| +73% | +$93.4K |
|
1148
Assertio
ASRT
$77.8M
| $220K | ﹤0.01% |
100,951
+96,867
| +2,372% | +$211K |
|
1149
Ondas Holdings
ONDS
$1.77B
| $220K | ﹤0.01% |
+32,831
| New | +$220K |
|
1150
Dentsply Sirona
XRAY
$2.71B
| $220K | ﹤0.01% |
+3,949
| New | +$220K |
|