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
|
+$144M |
| 2 |
Invesco QQQ Trust
QQQ
|
+$68.7M |
| 3 |
AT&T
T
|
+$45.5M |
| 4 |
Meta Platforms (Facebook)
META
|
+$38M |
| 5 |
iShares MSCI Emerging Markets ETF
EEM
|
+$35.4M |
Top Sells
| 1 |
Microsoft
MSFT
|
+$94.2M |
| 2 |
Citigroup
C
|
+$62.3M |
| 3 |
JPMorgan Chase
JPM
|
+$56.2M |
| 4 |
Berkshire Hathaway Class B
BRK.B
|
+$45.8M |
| 5 |
SPDR Gold Trust
GLD
|
+$44.4M |
Sector Composition
| 1 | Consumer Discretionary | 16.85% |
| 2 | Technology | 15.5% |
| 3 | Communication Services | 10.53% |
| 4 | Healthcare | 8.8% |
| 5 | Consumer Staples | 5.63% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
651
TEGNA Inc
TGNA
$3.39B
| $297K | ﹤0.01% |
14,029
+13,465
| +2,387% | +$285K |
|
652
Coherus Oncology, Inc. Common Stock
CHRS
$151M
| $296K | ﹤0.01% |
37,415
+7,438
| +25% | +$58.8K |
|
653
ProShares K-1 Free Crude Oil Strategy ETF
OILK
$69.6M
| $295K | ﹤0.01% |
6,584
+6,278
| +2,052% | +$281K |
|
654
Paychex
PAYX
$48.5B
| $295K | ﹤0.01% |
2,556
-143,398
| -98% | -$16.6M |
|
655
Petrobras Class A
PBR.A
$75.1B
| $295K | ﹤0.01% |
31,771
+7,410
| +30% | +$68.8K |
|
|
TBCH
656
Turtle Beach Corporation Common Stock
TBCH
$303M
| $295K | ﹤0.01% |
41,259
+41,226
| +124,927% | +$295K |
|
|
SILV
657
DELISTED
SilverCrest Metals Inc. Common Shares
SILV
| $294K | ﹤0.01% |
49,128
-11,747
| -19% | -$70.3K |
|
658
Algonquin Power & Utilities
AQN
$4.29B
| $293K | ﹤0.01% |
44,979
+12,118
| +37% | +$78.9K |
|
659
eXp World Holdings
EXPI
$1.8B
| $293K | ﹤0.01% |
26,519
+24,721
| +1,375% | +$273K |
|
660
Origin Materials
ORGN
$80.9M
| $293K | ﹤0.01% |
63,710
-12,064
| -16% | -$55.5K |
|
661
ProShares UltraPro Short S&P 500
SPXU
$505M
| $293K | ﹤0.01% |
+3,482
| New | +$293K |
|
|
BREZ
662
DELISTED
Breeze Holdings Acquisition Corp. Common Stock
BREZ
| $293K | ﹤0.01% |
28,126
-3,170
| -10% | -$33K |
|
663
BGC Group
BGC
$4.85B
| $292K | ﹤0.01% |
77,583
-287,799
| -79% | -$1.08M |
|
664
AerSale
ASLE
$399M
| $291K | ﹤0.01% |
17,990
+6,875
| +62% | +$111K |
|
665
Brookfield Renewable
BEP
$7.22B
| $291K | ﹤0.01% |
+11,520
| New | +$291K |
|
666
Camping World
CWH
$1.09B
| $291K | ﹤0.01% |
13,063
-37,170
| -74% | -$828K |
|
|
PYCR
667
DELISTED
Paycor HCM, Inc. Common Stock
PYCR
| $291K | ﹤0.01% |
+11,916
| New | +$291K |
|
|
BLDP
668
Ballard Power Systems
BLDP
$619M
| $290K | ﹤0.01% |
60,700
+57,740
| +1,951% | +$276K |
|
669
Ternium
TX
$6.84B
| $290K | ﹤0.01% |
9,519
-3,671
| -28% | -$112K |
|
670
Hillman Solutions
HLMN
$1.96B
| $289K | ﹤0.01% |
40,187
+18,974
| +89% | +$136K |
|
671
Boston Beer
SAM
$2.4B
| $288K | ﹤0.01% |
876
+766
| +696% | +$252K |
|
672
System1
SST
$67.1M
| $288K | ﹤0.01% |
+6,160
| New | +$288K |
|
673
Sonos
SONO
$1.82B
| $285K | ﹤0.01% |
16,908
-7,299
| -30% | -$123K |
|
674
American Vanguard Corp
AVD
$155M
| $284K | ﹤0.01% |
13,103
+441
| +3% | +$9.56K |
|
|
RC
675
Ready Capital
RC
$695M
| $283K | ﹤0.01% |
25,441
+5,695
| +29% | +$63.4K |
|