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
|
+$114M |
| 2 |
Citigroup
C
|
+$77M |
| 3 |
Broadcom
AVGO
|
+$53M |
| 4 |
Pinduoduo
PDD
|
+$49.7M |
| 5 |
Intel
INTC
|
+$44.5M |
Top Sells
| 1 |
Energy Select Sector SPDR Fund
XLE
|
+$92.5M |
| 2 |
Pfizer
PFE
|
+$67.5M |
| 3 |
Boeing
BA
|
+$66.7M |
| 4 |
Direxion Daily Semiconductor Bull 3X Shares
SOXL
|
+$44.9M |
| 5 |
PayPal
PYPL
|
+$44.4M |
Sector Composition
| 1 | Technology | 27.91% |
| 2 | Consumer Discretionary | 14.92% |
| 3 | Healthcare | 10.74% |
| 4 | Financials | 10.11% |
| 5 | Materials | 6.23% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
576
Aaon
AAON
$6.93B
| $608K | ﹤0.01% |
+6,973
| New | +$608K |
|
577
ARKO Corp
ARKO
$563M
| $605K | ﹤0.01% |
96,562
+93,879
| +3,499% | +$588K |
|
578
Fiverr
FVRR
$858M
| $601K | ﹤0.01% |
25,660
-32,744
| -56% | -$767K |
|
579
Grand Canyon Education
LOPE
$5.69B
| $600K | ﹤0.01% |
+4,293
| New | +$600K |
|
580
Target Hospitality
TH
$876M
| $598K | ﹤0.01% |
68,722
+8,421
| +14% | +$73.3K |
|
581
Charter Communications
CHTR
$35.9B
| $592K | ﹤0.01% |
1,983
-14,564
| -88% | -$4.35M |
|
582
Intuit
INTU
$183B
| $592K | ﹤0.01% |
901
+485
| +117% | +$319K |
|
583
Simplify Short Term Treasury Futures Strategy ETF
TUA
$643M
| $592K | ﹤0.01% |
27,785
+18,188
| +190% | +$388K |
|
584
Weibo
WB
$2.98B
| $591K | ﹤0.01% |
76,956
+60,153
| +358% | +$462K |
|
585
Workiva
WK
$4.24B
| $591K | ﹤0.01% |
8,101
+8,049
| +15,479% | +$587K |
|
|
HUT
586
Hut 8
HUT
$3.27B
| $590K | ﹤0.01% |
+39,423
| New | +$590K |
|
587
Vanguard Energy ETF
VDE
$7.34B
| $590K | ﹤0.01% |
+4,627
| New | +$590K |
|
588
Ralph Lauren
RL
$18.9B
| $589K | ﹤0.01% |
+3,370
| New | +$589K |
|
589
Appian
APPN
$2.3B
| $588K | ﹤0.01% |
19,056
+6,095
| +47% | +$188K |
|
590
Schwab US Dividend Equity ETF
SCHD
$71.6B
| $588K | ﹤0.01% |
+22,707
| New | +$588K |
|
591
Weyerhaeuser
WY
$18.1B
| $587K | ﹤0.01% |
+20,705
| New | +$587K |
|
592
Academy Sports + Outdoors
ASO
$3.21B
| $583K | ﹤0.01% |
+10,962
| New | +$583K |
|
593
dLocal
DLO
$4.02B
| $573K | ﹤0.01% |
+70,933
| New | +$573K |
|
594
Axcelis
ACLS
$2.62B
| $571K | ﹤0.01% |
4,021
+1,634
| +68% | +$232K |
|
595
CACI
CACI
$10.7B
| $571K | ﹤0.01% |
+1,328
| New | +$571K |
|
596
Vital Energy
VTLE
$647M
| $571K | ﹤0.01% |
12,743
-9,576
| -43% | -$429K |
|
|
BORR
597
Borr Drilling
BORR
$884M
| $567K | ﹤0.01% |
88,018
+27,198
| +45% | +$175K |
|
598
Vanguard Mega Cap Growth ETF
MGK
$29.4B
| $567K | ﹤0.01% |
1,807
-1,104
| -38% | -$346K |
|
599
Sphere Entertainment
SPHR
$1.97B
| $560K | ﹤0.01% |
15,999
-21,931
| -58% | -$768K |
|
600
EPR Properties
EPR
$4.19B
| $556K | ﹤0.01% |
13,247
-1,148
| -8% | -$48.2K |
|