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 |
Invesco QQQ Trust
QQQ
|
+$41.7M |
| 2 |
Mastercard
MA
|
+$33.6M |
| 3 |
Alibaba
BABA
|
+$33.4M |
| 4 |
Apple
AAPL
|
+$27.9M |
| 5 |
Alphabet (Google) Class C
GOOG
|
+$26M |
Top Sells
| 1 |
JPMorgan Chase
JPM
|
+$60M |
| 2 |
TSMC
TSM
|
+$49.5M |
| 3 |
iShares Silver Trust
SLV
|
+$26M |
| 4 |
Amazon
AMZN
|
+$25.2M |
| 5 |
Boeing
BA
|
+$22.1M |
Sector Composition
| 1 | Consumer Discretionary | 23.12% |
| 2 | Technology | 13.05% |
| 3 | Healthcare | 11.53% |
| 4 | Industrials | 7.38% |
| 5 | Communication Services | 6.71% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
1126
Navios Maritime Partners
NMM
$1.41B
| $153K | ﹤0.01% |
13,688
+8,675
| +173% | +$97K |
|
1127
Virgin Galactic
SPCE
$194M
| $153K | ﹤0.01% |
322
-1,073
| -77% | -$510K |
|
1128
USA Compression Partners
USAC
$2.96B
| $153K | ﹤0.01% |
11,281
-79,941
| -88% | -$1.08M |
|
1129
Vital Farms
VITL
$2.14B
| $153K | ﹤0.01% |
+6,056
| New | +$153K |
|
1130
Fastly
FSLY
$1.14B
| $152K | ﹤0.01% |
1,750
-19,838
| -92% | -$1.72M |
|
1131
Nordic American Tanker
NAT
$675M
| $152K | ﹤0.01% |
+51,760
| New | +$152K |
|
1132
Light & Wonder
LNW
$7.47B
| $151K | ﹤0.01% |
3,649
-10,730
| -75% | -$444K |
|
1133
Transocean
RIG
$3.1B
| $151K | ﹤0.01% |
+65,382
| New | +$151K |
|
1134
Companhia Siderúrgica Nacional
SID
$2B
| $151K | ﹤0.01% |
+25,503
| New | +$151K |
|
1135
Alphatec Holdings
ATEC
$2.25B
| $150K | ﹤0.01% |
10,347
+5,537
| +115% | +$80.3K |
|
1136
eGain
EGAN
$223M
| $150K | ﹤0.01% |
12,743
+12,316
| +2,884% | +$145K |
|
1137
Momentus
MNTS
$13.7M
| $149K | ﹤0.01% |
+12
| New | +$149K |
|
1138
Invesco DB Oil Fund
DBO
$231M
| $148K | ﹤0.01% |
17,569
+816
| +5% | +$6.87K |
|
1139
Installed Building Products
IBP
$7.17B
| $148K | ﹤0.01% |
1,461
+932
| +176% | +$94.4K |
|
1140
Q2 Holdings
QTWO
$5.16B
| $148K | ﹤0.01% |
1,175
+574
| +96% | +$72.3K |
|
1141
Solid Biosciences
SLDB
$419M
| $148K | ﹤0.01% |
+1,310
| New | +$148K |
|
1142
CVR Energy
CVI
$3.16B
| $146K | ﹤0.01% |
9,799
+5,677
| +138% | +$84.6K |
|
1143
Telefonica
TEF
$30.2B
| $146K | ﹤0.01% |
40,769
+34,987
| +605% | +$125K |
|
1144
Texas Roadhouse
TXRH
$11.1B
| $146K | ﹤0.01% |
+1,873
| New | +$146K |
|
|
VBIV
1145
DELISTED
VBI Vaccines, Inc. New Common Stock (Canada)
VBIV
| $146K | ﹤0.01% |
1,777
-695
| -28% | -$57.1K |
|
1146
Diamondback Energy
FANG
$40.3B
| $145K | ﹤0.01% |
3,002
-30,756
| -91% | -$1.49M |
|
1147
Movado Group
MOV
$435M
| $145K | ﹤0.01% |
8,784
-6,155
| -41% | -$102K |
|
|
WIMI
1148
WiMi Hologram Cloud
WIMI
$41.6M
| $145K | ﹤0.01% |
+2,523
| New | +$145K |
|
|
XNET
1149
Xunlei
XNET
$467M
| $145K | ﹤0.01% |
50,294
+40,240
| +400% | +$116K |
|
1150
AnaptysBio
ANAB
$649M
| $144K | ﹤0.01% |
+6,722
| New | +$144K |
|