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 | |
|---|---|---|---|---|---|---|
|
ACCD
601
DELISTED
Accolade, Inc. Common Stock
ACCD
| $395K | ﹤0.01% |
27,538
+13,416
| +95% | +$192K |
|
602
Thor Industries
THO
$5.79B
| $392K | ﹤0.01% |
+4,925
| New | +$392K |
|
603
2x Long VIX Futures ETF
UVIX
$452M
| $392K | ﹤0.01% |
246
+237
| +2,633% | +$378K |
|
604
Texas Roadhouse
TXRH
$11.2B
| $390K | ﹤0.01% |
3,612
+2,925
| +426% | +$316K |
|
605
Gogo Inc
GOGO
$1.39B
| $388K | ﹤0.01% |
+26,824
| New | +$388K |
|
606
Myriad Genetics
MYGN
$649M
| $387K | ﹤0.01% |
16,702
+16,613
| +18,666% | +$385K |
|
607
iShares S&P 100 ETF
OEF
$22.3B
| $387K | ﹤0.01% |
2,070
-191
| -8% | -$35.7K |
|
608
PharmaCyte Biotech
PMCB
$7.27M
| $387K | ﹤0.01% |
133,200
+69,592
| +109% | +$202K |
|
609
Avis
CAR
$5.56B
| $386K | ﹤0.01% |
+1,982
| New | +$386K |
|
610
IQVIA
IQV
$32.2B
| $385K | ﹤0.01% |
+1,937
| New | +$385K |
|
611
Matador Resources
MTDR
$5.88B
| $379K | ﹤0.01% |
+7,974
| New | +$379K |
|
612
PubMatic
PUBM
$389M
| $378K | ﹤0.01% |
27,382
-5,461
| -17% | -$75.4K |
|
613
iShares Russell 1000 Growth ETF
IWF
$119B
| $376K | ﹤0.01% |
1,541
-4,478
| -74% | -$1.09M |
|
|
DEN
614
DELISTED
Denbury Inc.
DEN
| $374K | ﹤0.01% |
4,279
-3,460
| -45% | -$302K |
|
615
Murphy USA
MUSA
$7.55B
| $371K | ﹤0.01% |
1,439
+1,048
| +268% | +$270K |
|
616
Acuity Brands
AYI
$10.1B
| $368K | ﹤0.01% |
+2,015
| New | +$368K |
|
|
NVRO
617
DELISTED
NEVRO CORP.
NVRO
| $367K | ﹤0.01% |
10,155
+6,820
| +204% | +$246K |
|
618
ON24
ONTF
$234M
| $365K | ﹤0.01% |
+41,710
| New | +$365K |
|
|
SJR
619
DELISTED
Shaw Communications Inc.
SJR
| $363K | ﹤0.01% |
12,154
-9,306
| -43% | -$278K |
|
|
LSXMA
620
DELISTED
Liberty Media Corporation Series A Liberty SiriusXM Common Stock
LSXMA
| $362K | ﹤0.01% |
17,543
+16,205
| +1,211% | +$334K |
|
|
NATI
621
DELISTED
National Instruments Corp
NATI
| $362K | ﹤0.01% |
+6,920
| New | +$362K |
|
622
Algonquin Power & Utilities
AQN
$4.31B
| $360K | ﹤0.01% |
42,937
-2,042
| -5% | -$17.1K |
|
623
IonQ
IONQ
$13.1B
| $360K | ﹤0.01% |
58,654
+4,469
| +8% | +$27.4K |
|
624
Hologic
HOLX
$14.8B
| $359K | ﹤0.01% |
4,453
-15,723
| -78% | -$1.27M |
|
625
United States 12 Month Oil Fund,
USL
$42.8M
| $357K | ﹤0.01% |
10,591
-142
| -1% | -$4.79K |
|