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 |
NVIDIA
NVDA
|
+$216M |
| 2 |
Apple
AAPL
|
+$159M |
| 3 |
Broadcom
AVGO
|
+$128M |
| 4 |
Booking.com
BKNG
|
+$62.2M |
| 5 |
SPDR S&P 500 ETF Trust
SPY
|
+$61.9M |
Top Sells
| 1 |
iShares 20+ Year Treasury Bond ETF
TLT
|
+$141M |
| 2 |
Amazon
AMZN
|
+$53.1M |
| 3 |
TSMC
TSM
|
+$45.7M |
| 4 |
Netflix
NFLX
|
+$45.3M |
| 5 |
Pfizer
PFE
|
+$38.3M |
Sector Composition
| 1 | Technology | 34.74% |
| 2 | Communication Services | 9% |
| 3 | Consumer Discretionary | 8.67% |
| 4 | Healthcare | 8.07% |
| 5 | Financials | 6.4% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
1301
Vanguard US Momentum Factor ETF
VFMO
$1.17B
| $71K | ﹤0.01% |
412
+339
| +464% | +$58.4K |
|
|
QBTX
1302
Tradr 2X Long QBTS Daily ETF
QBTX
$85.2M
| $70K | ﹤0.01% |
+1,018
| New | +$70K |
|
1303
Carriage Services
CSV
$671M
| $69K | ﹤0.01% |
1,526
+1,226
| +409% | +$55.4K |
|
1304
Gentex
GNTX
$6.25B
| $69K | ﹤0.01% |
3,158
-14,134
| -82% | -$309K |
|
1305
Odyssey Marine Exploration
OMEX
$78.6M
| $69K | ﹤0.01% |
+58,477
| New | +$69K |
|
|
TSMU
1306
GraniteShares 2x Long TSM Daily ETF
TSMU
$21.6M
| $69K | ﹤0.01% |
2,511
+2,346
| +1,422% | +$64.5K |
|
1307
Arcosa
ACA
$4.73B
| $68K | ﹤0.01% |
792
-15
| -2% | -$1.29K |
|
1308
KB Financial Group
KB
$31B
| $68K | ﹤0.01% |
832
-119
| -13% | -$9.73K |
|
1309
Alliant Energy
LNT
$16.7B
| $68K | ﹤0.01% |
1,131
-2,308
| -67% | -$139K |
|
1310
WisdomTree Bloomberg US Dollar Bullish Fund
USDU
$151M
| $68K | ﹤0.01% |
+2,672
| New | +$68K |
|
1311
Flutter Entertainment
FLUT
$49.6B
| $68K | ﹤0.01% |
+240
| New | +$68K |
|
|
MAGN
1312
Magnera Corporation
MAGN
$391M
| $68K | ﹤0.01% |
+5,637
| New | +$68K |
|
1313
Arbutus Biopharma
ABUS
$886M
| $67K | ﹤0.01% |
21,975
-14,154
| -39% | -$43.2K |
|
1314
GSI Technology
GSIT
$96.3M
| $67K | ﹤0.01% |
+19,946
| New | +$67K |
|
1315
Sangamo Therapeutics
SGMO
$152M
| $67K | ﹤0.01% |
125,333
-116,961
| -48% | -$62.5K |
|
1316
Vitesse Energy
VTS
$970M
| $67K | ﹤0.01% |
+3,076
| New | +$67K |
|
1317
Utilities Select Sector SPDR Fund
XLU
$21.2B
| $67K | ﹤0.01% |
831
-38,446
| -98% | -$3.1M |
|
|
BTCL
1318
T-Rex 2X Long Bitcoin Daily Target ETF
BTCL
$85.1M
| $67K | ﹤0.01% |
1,265
-2,835
| -69% | -$150K |
|
1319
Invesco DB Oil Fund
DBO
$228M
| $66K | ﹤0.01% |
5,004
+4,379
| +701% | +$57.8K |
|
1320
GrafTech
EAF
$262M
| $66K | ﹤0.01% |
6,887
+306
| +5% | +$2.93K |
|
1321
Empire State Realty Trust
ESRT
$1.33B
| $66K | ﹤0.01% |
8,260
+7,608
| +1,167% | +$60.8K |
|
1322
RXO
RXO
$2.72B
| $66K | ﹤0.01% |
4,247
+3,091
| +267% | +$48K |
|
1323
Wrap Technologies
WRAP
$104M
| $66K | ﹤0.01% |
42,327
+28,661
| +210% | +$44.7K |
|
1324
Corpay
CPAY
$21.8B
| $66K | ﹤0.01% |
+201
| New | +$66K |
|
|
ZENA
1325
ZenaTech, Inc. Common Stock
ZENA
$164M
| $66K | ﹤0.01% |
18,071
+17,795
| +6,447% | +$65K |
|