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 |
Alibaba
BABA
|
+$117M |
| 2 |
Alphabet (Google) Class A
GOOGL
|
+$97.6M |
| 3 |
Walt Disney
DIS
|
+$73.4M |
| 4 |
Citigroup
C
|
+$45.8M |
| 5 |
KraneShares CSI China Internet ETF
KWEB
|
+$41.5M |
Top Sells
| 1 |
iShares 20+ Year Treasury Bond ETF
TLT
|
+$149M |
| 2 |
Amazon
AMZN
|
+$107M |
| 3 |
SPDR Gold Trust
GLD
|
+$58.6M |
| 4 |
Coinbase
COIN
|
+$56.5M |
| 5 |
NVIDIA
NVDA
|
+$48.2M |
Sector Composition
| 1 | Technology | 16.06% |
| 2 | Consumer Discretionary | 14.45% |
| 3 | Communication Services | 10.03% |
| 4 | Financials | 9.44% |
| 5 | Healthcare | 9.18% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
1451
US Treasury 10 Year Note ETF
UTEN
$226M
| $39K | ﹤0.01% |
883
+753
| +579% | +$33.3K |
|
1452
AdaptHealth
AHCO
$1.25B
| $38K | ﹤0.01% |
5,345
-38,484
| -88% | -$274K |
|
1453
Berry Corp
BRY
$317M
| $38K | ﹤0.01% |
+5,524
| New | +$38K |
|
1454
Cambium Networks
CMBM
$21.2M
| $38K | ﹤0.01% |
6,366
+6,011
| +1,693% | +$35.9K |
|
1455
Global X FinTech ETF
FINX
$320M
| $38K | ﹤0.01% |
1,525
-729
| -32% | -$18.2K |
|
1456
Keros Therapeutics
KROS
$651M
| $38K | ﹤0.01% |
+969
| New | +$38K |
|
1457
Sally Beauty Holdings
SBH
$1.54B
| $38K | ﹤0.01% |
2,911
+2,737
| +1,573% | +$35.7K |
|
|
TXNM
1458
TXNM Energy, Inc.
TXNM
$5.98B
| $38K | ﹤0.01% |
917
+851
| +1,289% | +$35.3K |
|
1459
Direxion Daily CSI 300 China A Share Bull 2X Shares
CHAU
$163M
| $37K | ﹤0.01% |
2,711
-6,119
| -69% | -$83.5K |
|
1460
Eventbrite
EB
$295M
| $37K | ﹤0.01% |
4,426
+952
| +27% | +$7.96K |
|
1461
Mercury Insurance
MCY
$4.39B
| $37K | ﹤0.01% |
+1,006
| New | +$37K |
|
1462
Outdoor Holding Company Common Stock
POWW
$167M
| $37K | ﹤0.01% |
17,719
-23,641
| -57% | -$49.4K |
|
1463
Vimeo
VMEO
$1.28B
| $37K | ﹤0.01% |
+9,589
| New | +$37K |
|
1464
SPDR S&P Pharmaceuticals ETF
XPH
$172M
| $37K | ﹤0.01% |
+910
| New | +$37K |
|
|
LICY
1465
DELISTED
Li-Cycle Holdings Corp.
LICY
| $37K | ﹤0.01% |
+7,921
| New | +$37K |
|
1466
Green Dot
GDOT
$845M
| $36K | ﹤0.01% |
+3,722
| New | +$36K |
|
1467
i3 Verticals
IIIV
$768M
| $36K | ﹤0.01% |
1,746
+1,174
| +205% | +$24.2K |
|
1468
Lennox International
LII
$19B
| $36K | ﹤0.01% |
+81
| New | +$36K |
|
|
TDCX
1469
DELISTED
TDCX Inc. American Depositary Shares, each representing one Class A ordinary share
TDCX
| $36K | ﹤0.01% |
7,541
+7,447
| +7,922% | +$35.6K |
|
1470
Apyx Medical
APYX
$84.7M
| $35K | ﹤0.01% |
+13,363
| New | +$35K |
|
1471
Axogen
AXGN
$794M
| $35K | ﹤0.01% |
+5,199
| New | +$35K |
|
1472
CSG Systems International
CSGS
$1.93B
| $35K | ﹤0.01% |
+663
| New | +$35K |
|
1473
Excelerate Energy
EE
$779M
| $35K | ﹤0.01% |
2,300
+2,203
| +2,271% | +$33.5K |
|
1474
EverQuote
EVER
$908M
| $35K | ﹤0.01% |
2,916
+2,122
| +267% | +$25.5K |
|
1475
Eve Holding
EVEX
$1.14B
| $35K | ﹤0.01% |
+4,864
| New | +$35K |
|