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
|
+$586M |
| 2 |
Strategy Inc Common Stock Class A
MSTR
|
+$82.5M |
| 3 |
Intel
INTC
|
+$40.4M |
| 4 |
Invesco QQQ Trust
QQQ
|
+$39.4M |
| 5 |
Uber
UBER
|
+$36.3M |
Top Sells
| 1 |
NVIDIA
NVDA
|
+$130M |
| 2 |
Pinduoduo
PDD
|
+$95.7M |
| 3 |
Boeing
BA
|
+$56.2M |
| 4 |
KraneShares CSI China Internet ETF
KWEB
|
+$40.7M |
| 5 |
Microsoft
MSFT
|
+$40.5M |
Sector Composition
| 1 | Technology | 34.29% |
| 2 | Consumer Discretionary | 11.38% |
| 3 | Healthcare | 9.65% |
| 4 | Financials | 6.33% |
| 5 | Communication Services | 5.52% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
1076
X4 Pharmaceuticals
XFOR
$76.1M
| $140K | ﹤0.01% |
6,397
+6,282
| +5,463% | +$137K |
|
1077
Direxion Daily Junior Gold Miners Index Bear 2X Shares
JDST
$50.9M
| $139K | ﹤0.01% |
+4,518
| New | +$139K |
|
1078
Ocugen
OCGN
$325M
| $139K | ﹤0.01% |
172,761
+81,798
| +90% | +$65.8K |
|
1079
Healthcare Services Group
HCSG
$1.15B
| $138K | ﹤0.01% |
+11,910
| New | +$138K |
|
1080
Rhythm Pharmaceuticals
RYTM
$6.66B
| $138K | ﹤0.01% |
+2,475
| New | +$138K |
|
|
STKL
1081
SunOpta
STKL
$735M
| $137K | ﹤0.01% |
17,856
-15,661
| -47% | -$120K |
|
1082
ARK Web x.0 ETF
ARKW
$2.39B
| $136K | ﹤0.01% |
1,261
+610
| +94% | +$65.8K |
|
1083
Masimo
MASI
$7.92B
| $136K | ﹤0.01% |
825
-11,704
| -93% | -$1.93M |
|
1084
ProShares UltraShort Silver
ZSL
$19.8M
| $136K | ﹤0.01% |
3,259
-8,290
| -72% | -$346K |
|
1085
Global X Artificial Intelligence & Technology ETF
AIQ
$4.84B
| $135K | ﹤0.01% |
+3,510
| New | +$135K |
|
1086
Paymentus
PAY
$4.41B
| $135K | ﹤0.01% |
+4,160
| New | +$135K |
|
|
SVM
1087
Silvercorp Metals
SVM
$1.09B
| $134K | ﹤0.01% |
44,734
+24,089
| +117% | +$72.2K |
|
|
PDCO
1088
DELISTED
Patterson Companies, Inc.
PDCO
| $134K | ﹤0.01% |
+4,363
| New | +$134K |
|
|
PSTX
1089
DELISTED
Poseida Therapeutics, Inc. Common Stock
PSTX
| $134K | ﹤0.01% |
+14,032
| New | +$134K |
|
1090
Torrid Holdings
CURV
$179M
| $133K | ﹤0.01% |
25,469
+16,672
| +190% | +$87.1K |
|
1091
i3 Verticals
IIIV
$720M
| $133K | ﹤0.01% |
+5,794
| New | +$133K |
|
1092
Sensata Technologies
ST
$4.59B
| $133K | ﹤0.01% |
+4,885
| New | +$133K |
|
1093
Spectrum Brands
SPB
$1.3B
| $131K | ﹤0.01% |
1,561
-2,110
| -57% | -$177K |
|
1094
AerSale
ASLE
$396M
| $130K | ﹤0.01% |
20,719
-23,533
| -53% | -$148K |
|
1095
Smith & Wesson
SWBI
$416M
| $130K | ﹤0.01% |
+12,890
| New | +$130K |
|
1096
Alto Ingredients
ALTO
$89M
| $129K | ﹤0.01% |
82,983
-23,545
| -22% | -$36.6K |
|
1097
Informatica
INFA
$7.55B
| $129K | ﹤0.01% |
4,977
-6,502
| -57% | -$169K |
|
1098
ARS Pharmaceuticals
SPRY
$1.04B
| $129K | ﹤0.01% |
12,306
-43,309
| -78% | -$454K |
|
1099
YieldMax Universe Fund of Option Income ETFs
YMAX
$1.08B
| $129K | ﹤0.01% |
+7,650
| New | +$129K |
|
1100
Hyliion Holdings
HYLN
$288M
| $127K | ﹤0.01% |
48,966
+21,471
| +78% | +$55.7K |
|