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 |
Apple
AAPL
|
+$45.7M |
| 2 |
Walmart
WMT
|
+$45.2M |
| 3 |
VanEck Oil Services ETF
OIH
|
+$34.2M |
| 4 |
iShares 20+ Year Treasury Bond ETF
TLT
|
+$33.2M |
| 5 |
Citigroup
C
|
+$32.7M |
Top Sells
| 1 |
Amazon
AMZN
|
+$164M |
| 2 |
Invesco QQQ Trust
QQQ
|
+$111M |
| 3 |
NVIDIA
NVDA
|
+$77.7M |
| 4 |
Meta Platforms (Facebook)
META
|
+$60.9M |
| 5 |
Procter & Gamble
PG
|
+$38.8M |
Sector Composition
| 1 | Technology | 21.73% |
| 2 | Consumer Discretionary | 10.23% |
| 3 | Healthcare | 8.76% |
| 4 | Industrials | 7.59% |
| 5 | Communication Services | 6.56% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
626
T Rowe Price
TROW
$23.8B
| $356K | ﹤0.01% |
+3,160
| New | +$356K |
|
627
TrueCar
TRUE
$195M
| $356K | ﹤0.01% |
155,041
+51,807
| +50% | +$119K |
|
628
Vanguard Mid-Cap Value ETF
VOE
$18.7B
| $356K | ﹤0.01% |
2,657
-12,372
| -82% | -$1.66M |
|
629
Calavo Growers
CVGW
$485M
| $348K | ﹤0.01% |
12,113
+11,813
| +3,938% | +$339K |
|
630
GameStop
GME
$10.6B
| $346K | ﹤0.01% |
15,055
+13,655
| +975% | +$314K |
|
631
Direxion Daily Aerospace & Defense Bull 3X Shares
DFEN
$318M
| $343K | ﹤0.01% |
16,466
+15,866
| +2,644% | +$331K |
|
632
Agios Pharmaceuticals
AGIO
$2.1B
| $340K | ﹤0.01% |
+14,834
| New | +$340K |
|
633
Popular Inc
BPOP
$8.48B
| $340K | ﹤0.01% |
5,927
+4,862
| +457% | +$279K |
|
634
Steel Dynamics
STLD
$19.8B
| $340K | ﹤0.01% |
3,009
-38,288
| -93% | -$4.33M |
|
635
Amkor Technology
AMKR
$6.15B
| $337K | ﹤0.01% |
12,960
+10,310
| +389% | +$268K |
|
636
Teucrium Corn Fund
CORN
$48.8M
| $336K | ﹤0.01% |
13,339
-24,337
| -65% | -$613K |
|
|
CEQP
637
DELISTED
Crestwood Equity Partners LP
CEQP
| $335K | ﹤0.01% |
13,460
+13,260
| +6,630% | +$330K |
|
638
Herc Holdings
HRI
$4.59B
| $334K | ﹤0.01% |
+2,935
| New | +$334K |
|
639
Air Lease Corp
AL
$7.12B
| $332K | ﹤0.01% |
+8,449
| New | +$332K |
|
640
Schwab US Dividend Equity ETF
SCHD
$71.5B
| $332K | ﹤0.01% |
+13,617
| New | +$332K |
|
|
SEI
641
Solaris Energy Infrastructure, Inc.
SEI
$1.16B
| $331K | ﹤0.01% |
38,847
+34,262
| +747% | +$292K |
|
|
SILV
642
DELISTED
SilverCrest Metals Inc. Common Shares
SILV
| $331K | ﹤0.01% |
46,426
-2,702
| -5% | -$19.3K |
|
643
Nabors Industries
NBR
$570M
| $330K | ﹤0.01% |
2,710
-5,327
| -66% | -$649K |
|
644
ProShares UltraShort Russell2000
TWM
$34.1M
| $330K | ﹤0.01% |
+4,270
| New | +$330K |
|
|
ARCH
645
DELISTED
Arch Resources, Inc.
ARCH
| $330K | ﹤0.01% |
+2,516
| New | +$330K |
|
646
Crescent Energy
CRGY
$2.12B
| $328K | ﹤0.01% |
29,007
+16,000
| +123% | +$181K |
|
647
Corteva
CTVA
$49.5B
| $328K | ﹤0.01% |
+5,454
| New | +$328K |
|
648
Teradata
TDC
$2.01B
| $328K | ﹤0.01% |
8,164
+5,545
| +212% | +$223K |
|
649
Sunoco
SUN
$6.99B
| $327K | ﹤0.01% |
7,458
-33,185
| -82% | -$1.46M |
|
650
eHealth
EHTH
$119M
| $326K | ﹤0.01% |
34,927
+30,390
| +670% | +$284K |
|