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 | |
|---|---|---|---|---|---|---|
|
MOON
1926
DELISTED
Direxion Moonshot Innovators ETF
MOON
| $40K | ﹤0.01% |
1,488
-569
| -28% | -$15.3K |
|
|
NATI
1927
DELISTED
National Instruments Corp
NATI
| $40K | ﹤0.01% |
+923
| New | +$40K |
|
1928
Artivion
AORT
$1.88B
| $39K | ﹤0.01% |
+1,946
| New | +$39K |
|
1929
BioXcel Therapeutics
BTAI
$46.4M
| $39K | ﹤0.01% |
121
+52
| +75% | +$16.8K |
|
1930
CarGurus
CARG
$3.65B
| $39K | ﹤0.01% |
1,181
-13,114
| -92% | -$433K |
|
1931
Global Industrial
GIC
$1.4B
| $39K | ﹤0.01% |
976
-1,412
| -59% | -$56.4K |
|
1932
Healthcare Services Group
HCSG
$1.13B
| $39K | ﹤0.01% |
2,213
+1,890
| +585% | +$33.3K |
|
1933
KT
KT
$9.69B
| $39K | ﹤0.01% |
3,164
-3,602
| -53% | -$44.4K |
|
1934
Moelis & Co
MC
$5.6B
| $39K | ﹤0.01% |
631
-3,920
| -86% | -$242K |
|
1935
TMC The Metals Company
TMC
$2.23B
| $39K | ﹤0.01% |
+19,051
| New | +$39K |
|
1936
Vera Bradley
VRA
$57.3M
| $39K | ﹤0.01% |
+4,614
| New | +$39K |
|
|
ALPP
1937
DELISTED
Alpine 4 Holdings, Inc. Common Stock
ALPP
| $39K | ﹤0.01% |
+2,604
| New | +$39K |
|
|
AIV
1938
Aimco
AIV
$1.11B
| $38K | ﹤0.01% |
4,956
-47,303
| -91% | -$363K |
|
1939
A.O. Smith
AOS
$10.2B
| $38K | ﹤0.01% |
449
-797
| -64% | -$67.5K |
|
1940
Aviat Networks
AVNW
$301M
| $38K | ﹤0.01% |
1,203
-253
| -17% | -$7.99K |
|
1941
Denison Mines
DNN
$2.28B
| $38K | ﹤0.01% |
28,208
-286,221
| -91% | -$386K |
|
1942
Ebang International Holdings
EBON
$29.7M
| $38K | ﹤0.01% |
1,237
-3,154
| -72% | -$96.9K |
|
1943
Forward Air
FWRD
$823M
| $38K | ﹤0.01% |
+318
| New | +$38K |
|
1944
Liberty Broadband Class A
LBRDA
$8.8B
| $38K | ﹤0.01% |
+239
| New | +$38K |
|
1945
MindMed
MNMD
$728M
| $38K | ﹤0.01% |
1,881
-11,350
| -86% | -$229K |
|
1946
SELLAS Life Sciences
SLS
$178M
| $38K | ﹤0.01% |
+6,948
| New | +$38K |
|
1947
The ONE Group
STKS
$76.5M
| $38K | ﹤0.01% |
+3,064
| New | +$38K |
|
|
QUOT
1948
DELISTED
Quotient Technology Inc
QUOT
| $38K | ﹤0.01% |
5,192
-16,507
| -76% | -$121K |
|
|
XELA
1949
DELISTED
Exela Technologies, Inc. Common Stock
XELA
| $38K | ﹤0.01% |
+11
| New | +$38K |
|
|
CEMI
1950
DELISTED
Chembio diagnostics, Inc.
CEMI
| $38K | ﹤0.01% |
33,752
+27,693
| +457% | +$31.2K |
|