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
|
+$186M |
| 2 |
iShares 20+ Year Treasury Bond ETF
TLT
|
+$86.2M |
| 3 |
SPDR S&P 500 ETF Trust
SPY
|
+$56.8M |
| 4 |
iShares Silver Trust
SLV
|
+$42.9M |
| 5 |
Advanced Micro Devices
AMD
|
+$36.5M |
Top Sells
| 1 |
Occidental Petroleum
OXY
|
+$44.4M |
| 2 |
Financial Select Sector SPDR Fund
XLF
|
+$42.8M |
| 3 |
Verizon
VZ
|
+$40.8M |
| 4 |
Direxion Daily S&P 500 Bull 3x Shares
SPXL
|
+$33.6M |
| 5 |
iShares China Large-Cap ETF
FXI
|
+$33M |
Sector Composition
| 1 | Technology | 23.31% |
| 2 | Consumer Discretionary | 13.02% |
| 3 | Industrials | 8.23% |
| 4 | Healthcare | 7.47% |
| 5 | Financials | 6.38% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
726
Church & Dwight Co
CHD
$22.6B
| $519K | ﹤0.01% |
5,231
+1,022
| +24% | +$101K |
|
727
Fidelity Nasdaq Composite Index ETF
ONEQ
$8.67B
| $519K | ﹤0.01% |
9,353
+9,319
| +27,409% | +$517K |
|
728
Coeur Mining
CDE
$9.51B
| $516K | ﹤0.01% |
116,066
+39,060
| +51% | +$174K |
|
729
American Axle
AXL
$704M
| $515K | ﹤0.01% |
66,392
+65,310
| +6,036% | +$507K |
|
730
Intel
INTC
$114B
| $515K | ﹤0.01% |
10,400
-268,250
| -96% | -$13.3M |
|
731
Direxion Daily 20+ Year Treasury Bull 3X Shares
TMF
$5.54B
| $515K | ﹤0.01% |
2,635
+902
| +52% | +$176K |
|
|
XM
732
DELISTED
Qualtrics International Inc. Class A Common Stock
XM
| $515K | ﹤0.01% |
18,049
+8,646
| +92% | +$247K |
|
|
TBHC
733
The Brand House Collective, Inc. Common Stock
TBHC
$44.2M
| $514K | ﹤0.01% |
55,393
+19,141
| +53% | +$178K |
|
|
HGEN
734
DELISTED
HUMANIGEN, INC.
HGEN
| $511K | ﹤0.01% |
170,019
+96,057
| +130% | +$289K |
|
735
Vital Energy
VTLE
$638M
| $508K | ﹤0.01% |
+6,425
| New | +$508K |
|
736
Titan Machinery
TITN
$470M
| $507K | ﹤0.01% |
+17,952
| New | +$507K |
|
|
HIBB
737
DELISTED
Hibbett, Inc. Common Stock
HIBB
| $507K | ﹤0.01% |
11,455
+5,794
| +102% | +$256K |
|
738
Sprinklr
CXM
$1.89B
| $506K | ﹤0.01% |
42,548
-1,052
| -2% | -$12.5K |
|
|
VLRS
739
Controladora Vuela Compañía de Aviación
VLRS
$715M
| $506K | ﹤0.01% |
27,861
+11,482
| +70% | +$209K |
|
740
DigitalBridge
DBRG
$2.06B
| $504K | ﹤0.01% |
17,516
+4,716
| +37% | +$136K |
|
741
Carnival Corp
CCL
$42.1B
| $500K | ﹤0.01% |
+24,769
| New | +$500K |
|
742
TMC The Metals Company
TMC
$2.06B
| $499K | ﹤0.01% |
193,026
+173,975
| +913% | +$450K |
|
743
Designer Brands
DBI
$234M
| $497K | ﹤0.01% |
36,838
+7,405
| +25% | +$99.9K |
|
744
AbCellera Biologics
ABCL
$1.31B
| $496K | ﹤0.01% |
50,956
-34,468
| -40% | -$336K |
|
745
Microchip Technology
MCHP
$34.9B
| $496K | ﹤0.01% |
+6,607
| New | +$496K |
|
|
SLI
746
Standard Lithium
SLI
$582M
| $495K | ﹤0.01% |
56,348
+39,688
| +238% | +$349K |
|
747
KNOT Offshore Partners
KNOP
$313M
| $492K | ﹤0.01% |
29,145
+1,488
| +5% | +$25.1K |
|
748
Xeris Biopharma Holdings
XERS
$1.26B
| $489K | ﹤0.01% |
191,381
-130,014
| -40% | -$332K |
|
|
XYZ
749
Block, Inc.
XYZ
$45B
| $488K | ﹤0.01% |
3,600
-60,779
| -94% | -$8.24M |
|
750
Constellation Energy
CEG
$101B
| $487K | ﹤0.01% |
+8,672
| New | +$487K |
|