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 |
Amazon
AMZN
|
+$102M |
| 2 |
TSMC
TSM
|
+$29.6M |
| 3 |
JPMorgan Chase
JPM
|
+$21.9M |
| 4 |
Boeing
BA
|
+$18.8M |
| 5 |
Target
TGT
|
+$13.5M |
Top Sells
| 1 |
SPDR Gold Trust
GLD
|
+$94.2M |
| 2 |
Tesla
TSLA
|
+$91.2M |
| 3 |
Invesco QQQ Trust
QQQ
|
+$81.5M |
| 4 |
NVIDIA
NVDA
|
+$60M |
| 5 |
iShares MSCI EAFE ETF
EFA
|
+$40.5M |
Sector Composition
| 1 | Consumer Discretionary | 21.73% |
| 2 | Technology | 16.48% |
| 3 | Healthcare | 9.06% |
| 4 | Financials | 8.3% |
| 5 | Communication Services | 7.51% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
|
CIO
1726
City Office REIT
CIO
$280M
| $11K | ﹤0.01% |
+1,591
| New | +$11K |
|
1727
FB Financial Corp
FBK
$2.83B
| $11K | ﹤0.01% |
+471
| New | +$11K |
|
|
IFN
1728
India Fund
IFN
$596M
| $11K | ﹤0.01% |
+684
| New | +$11K |
|
1729
Kite Realty
KRG
$4.94B
| $11K | ﹤0.01% |
964
-2,622
| -73% | -$29.9K |
|
1730
National CineMedia
NCMI
$456M
| $11K | ﹤0.01% |
432
-1,034
| -71% | -$26.3K |
|
1731
Rackspace Technology
RXT
$328M
| $11K | ﹤0.01% |
+584
| New | +$11K |
|
|
TMQ
1732
Trilogy Metals
TMQ
$350M
| $11K | ﹤0.01% |
6,352
-5,777
| -48% | -$10K |
|
1733
Wabtec
WAB
$32.2B
| $11K | ﹤0.01% |
+185
| New | +$11K |
|
|
XHR
1734
Xenia Hotels & Resorts
XHR
$1.42B
| $11K | ﹤0.01% |
1,344
+1,184
| +740% | +$9.69K |
|
|
WPS
1735
DELISTED
iShares International Developed Property ETF
WPS
| $11K | ﹤0.01% |
+356
| New | +$11K |
|
|
IVC
1736
DELISTED
Invacare Corporation
IVC
| $11K | ﹤0.01% |
1,576
+845
| +116% | +$5.9K |
|
|
MCF
1737
DELISTED
Contango Oil & Gas Co.
MCF
| $11K | ﹤0.01% |
8,221
-6,619
| -45% | -$8.86K |
|
1738
Future Fuel
FF
$171M
| $10K | ﹤0.01% |
884
+564
| +176% | +$6.38K |
|
1739
Gulf Island Fabrication
GIFI
$119M
| $10K | ﹤0.01% |
3,224
+3,125
| +3,157% | +$9.69K |
|
1740
Houlihan Lokey
HLI
$14.3B
| $10K | ﹤0.01% |
174
-3,920
| -96% | -$225K |
|
1741
Hooker Furnishings Corp
HOFT
$108M
| $10K | ﹤0.01% |
+423
| New | +$10K |
|
1742
Insteel Industries
IIIN
$750M
| $10K | ﹤0.01% |
539
+108
| +25% | +$2K |
|
1743
Neurogene
NGNE
$249M
| $10K | ﹤0.01% |
+46
| New | +$10K |
|
1744
Perma-Fix Environmental Services
PESI
$162M
| $10K | ﹤0.01% |
1,445
-755
| -34% | -$5.23K |
|
|
PHX
1745
DELISTED
PHX Minerals
PHX
| $10K | ﹤0.01% |
7,466
+3,250
| +77% | +$4.35K |
|
1746
Pulse Biosciences
PLSE
$1.06B
| $10K | ﹤0.01% |
873
-339
| -28% | -$3.88K |
|
1747
Regional Management Corp
RM
$430M
| $10K | ﹤0.01% |
+655
| New | +$10K |
|
1748
Synchronoss Technologies
SNCR
$69.5M
| $10K | ﹤0.01% |
+397
| New | +$10K |
|
1749
Talphera
TLPH
$20.1M
| $10K | ﹤0.01% |
+357
| New | +$10K |
|
1750
US Foods
USFD
$17.9B
| $10K | ﹤0.01% |
483
-80,712
| -99% | -$1.67M |
|