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 | |
|---|---|---|---|---|---|---|
801
Celldex Therapeutics
CLDX
$1.66B
| $417K | ﹤0.01% |
12,252
-738
| -6% | -$25.1K |
|
802
Core Laboratories
CLB
$577M
| $415K | ﹤0.01% |
+13,131
| New | +$415K |
|
803
Acadia Pharmaceuticals
ACAD
$4.02B
| $414K | ﹤0.01% |
17,100
-69,293
| -80% | -$1.68M |
|
804
BWX Technologies
BWXT
$15.2B
| $414K | ﹤0.01% |
7,704
-10,645
| -58% | -$572K |
|
805
Direxion Daily Emerging Markets Bull 3X Shares
EDC
$92M
| $414K | ﹤0.01% |
7,547
-4,777
| -39% | -$262K |
|
|
PDS
806
Precision Drilling
PDS
$759M
| $414K | ﹤0.01% |
+5,606
| New | +$414K |
|
807
Radware
RDWR
$1.1B
| $414K | ﹤0.01% |
12,977
-50,392
| -80% | -$1.61M |
|
|
APRN
808
DELISTED
Blue Apron Holdings, Inc. Class A Common Stock
APRN
| $411K | ﹤0.01% |
+8,461
| New | +$411K |
|
809
TransDigm Group
TDG
$72.5B
| $410K | ﹤0.01% |
630
+158
| +33% | +$103K |
|
|
CLVR
810
DELISTED
Clever Leaves Holdings Inc. Common Shares
CLVR
| $409K | ﹤0.01% |
+5,477
| New | +$409K |
|
811
Honda
HMC
$44.4B
| $408K | ﹤0.01% |
14,445
+13,788
| +2,099% | +$389K |
|
|
JO
812
DELISTED
iPath Series B Bloomberg Coffee Subindex Total ReturnSM ETN
JO
| $405K | ﹤0.01% |
6,624
-1,089
| -14% | -$66.6K |
|
813
Direxion Daily Semiconductor Bear 3X Shares
SOXS
$1.21B
| $404K | ﹤0.01% |
1,082
+282
| +35% | +$105K |
|
814
Fate Therapeutics
FATE
$115M
| $403K | ﹤0.01% |
10,417
+9,991
| +2,345% | +$387K |
|
815
Kennametal
KMT
$1.59B
| $403K | ﹤0.01% |
14,115
+10,864
| +334% | +$310K |
|
816
TaskUs
TASK
$1.54B
| $403K | ﹤0.01% |
+10,504
| New | +$403K |
|
817
iShares Core S&P Small-Cap ETF
IJR
$85.1B
| $402K | ﹤0.01% |
+3,732
| New | +$402K |
|
818
Zedge
ZDGE
$40.1M
| $402K | ﹤0.01% |
+66,112
| New | +$402K |
|
819
HSBC
HSBC
$237B
| $401K | ﹤0.01% |
11,730
-44,625
| -79% | -$1.53M |
|
820
Global X US Infrastructure Development ETF
PAVE
$9.36B
| $399K | ﹤0.01% |
14,128
-6,393
| -31% | -$181K |
|
821
CCC Intelligent Solutions
CCCS
$6.25B
| $398K | ﹤0.01% |
+36,079
| New | +$398K |
|
822
Trex
TREX
$6.43B
| $397K | ﹤0.01% |
6,085
+773
| +15% | +$50.4K |
|
|
AVEO
823
DELISTED
AVEO Pharmaceuticals, Inc.
AVEO
| $395K | ﹤0.01% |
70,693
+61,640
| +681% | +$344K |
|
824
Fulcrum Therapeutics
FULC
$378M
| $393K | ﹤0.01% |
+16,627
| New | +$393K |
|
825
Invesco CurrencyShares Swiss Franc Trust
FXF
$377M
| $393K | ﹤0.01% |
4,051
-824
| -17% | -$79.9K |
|