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 | |
|---|---|---|---|---|---|---|
901
Verra Mobility
VRRM
$3.87B
| $209K | ﹤0.01% |
+8,257
| New | +$209K |
|
902
Ecovyst
ECVT
$1.05B
| $208K | ﹤0.01% |
25,322
+6,590
| +35% | +$54.1K |
|
903
APi Group
APG
$14.6B
| $207K | ﹤0.01% |
+6,089
| New | +$207K |
|
904
Compass Diversified
CODI
$528M
| $207K | ﹤0.01% |
+33,009
| New | +$207K |
|
905
Warrior Met Coal
HCC
$3.08B
| $207K | ﹤0.01% |
4,525
-3,191
| -41% | -$146K |
|
906
TEGNA Inc
TGNA
$3.37B
| $207K | ﹤0.01% |
12,383
-46,682
| -79% | -$780K |
|
907
American Financial Group
AFG
$11.4B
| $206K | ﹤0.01% |
1,640
-5,016
| -75% | -$630K |
|
908
Brookfield Asset Management
BAM
$89.8B
| $206K | ﹤0.01% |
+3,729
| New | +$206K |
|
909
Quantum-Si Incorporated
QSI
$227M
| $206K | ﹤0.01% |
105,534
+62,625
| +146% | +$122K |
|
910
Rekor Systems
REKR
$140M
| $206K | ﹤0.01% |
177,769
+152,385
| +600% | +$177K |
|
911
Vanguard FTSE Developed Markets ETF
VEA
$173B
| $206K | ﹤0.01% |
3,614
-80,341
| -96% | -$4.58M |
|
|
TXNM
912
TXNM Energy, Inc.
TXNM
$5.99B
| $206K | ﹤0.01% |
+3,663
| New | +$206K |
|
913
Direxion Daily Financial Bear 3x Shares
FAZ
$113M
| $205K | ﹤0.01% |
46,838
-25,435
| -35% | -$111K |
|
914
Invesco S&P SmallCap Momentum ETF
XSMO
$1.87B
| $205K | ﹤0.01% |
+3,022
| New | +$205K |
|
915
BBB Foods
TBBB
$2.87B
| $205K | ﹤0.01% |
7,390
-1,386
| -16% | -$38.4K |
|
916
Casey's General Stores
CASY
$20B
| $204K | ﹤0.01% |
400
-11
| -3% | -$5.61K |
|
917
EVgo
EVGO
$515M
| $204K | ﹤0.01% |
55,948
-28,162
| -33% | -$103K |
|
|
SAIL
918
SailPoint, Inc. Common Stock
SAIL
$11B
| $204K | ﹤0.01% |
8,928
+1,302
| +17% | +$29.8K |
|
919
Cardiff Oncology
CRDF
$136M
| $203K | ﹤0.01% |
64,520
-58,913
| -48% | -$185K |
|
920
Trex
TREX
$6.43B
| $202K | ﹤0.01% |
+3,724
| New | +$202K |
|
921
Calavo Growers
CVGW
$479M
| $201K | ﹤0.01% |
7,579
+3,792
| +100% | +$101K |
|
922
Baytex Energy
BTE
$1.83B
| $200K | ﹤0.01% |
112,003
+28,277
| +34% | +$50.5K |
|
|
NVEE
923
DELISTED
NV5 Global
NVEE
| $200K | ﹤0.01% |
8,703
-51,901
| -86% | -$1.19M |
|
924
RenaissanceRe
RNR
$11.2B
| $200K | ﹤0.01% |
+824
| New | +$200K |
|
925
Televisa
TV
$1.48B
| $200K | ﹤0.01% |
91,661
-41,557
| -31% | -$90.7K |
|