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 |
Alibaba
BABA
|
+$117M |
| 2 |
Alphabet (Google) Class A
GOOGL
|
+$97.6M |
| 3 |
Walt Disney
DIS
|
+$73.4M |
| 4 |
Citigroup
C
|
+$45.8M |
| 5 |
KraneShares CSI China Internet ETF
KWEB
|
+$41.5M |
Top Sells
| 1 |
iShares 20+ Year Treasury Bond ETF
TLT
|
+$149M |
| 2 |
Amazon
AMZN
|
+$107M |
| 3 |
SPDR Gold Trust
GLD
|
+$58.6M |
| 4 |
Coinbase
COIN
|
+$56.5M |
| 5 |
NVIDIA
NVDA
|
+$48.2M |
Sector Composition
| 1 | Technology | 16.06% |
| 2 | Consumer Discretionary | 14.45% |
| 3 | Communication Services | 10.03% |
| 4 | Financials | 9.44% |
| 5 | Healthcare | 9.18% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
|
OSG
1651
DELISTED
Overseas Shipholding Group Inc.
OSG
| $21K | ﹤0.01% |
4,029
+3,180
| +375% | +$16.6K |
|
1652
BlackSky Technology
BKSY
$683M
| $20K | ﹤0.01% |
1,862
+198
| +12% | +$2.13K |
|
1653
Cars.com
CARS
$837M
| $20K | ﹤0.01% |
1,081
-4,515
| -81% | -$83.5K |
|
1654
Definitive Healthcare
DH
$443M
| $20K | ﹤0.01% |
2,098
+2,041
| +3,581% | +$19.5K |
|
1655
Douglas Elliman
DOUG
$275M
| $20K | ﹤0.01% |
7,048
-6,289
| -47% | -$17.8K |
|
1656
Global X Autonomous & Electric Vehicles ETF
DRIV
$348M
| $20K | ﹤0.01% |
815
-2,356
| -74% | -$57.8K |
|
1657
Liberty Media Series A
FWONA
$23.4B
| $20K | ﹤0.01% |
346
-26
| -7% | -$1.5K |
|
1658
LKQ Corp
LKQ
$8.01B
| $20K | ﹤0.01% |
426
-4,265
| -91% | -$200K |
|
|
NAAS
1659
NaaS Technology Inc
NAAS
$8.99M
| $20K | ﹤0.01% |
+42
| New | +$20K |
|
1660
First Trust India Nifty 50 Equal Weight ETF
NFTY
$193M
| $20K | ﹤0.01% |
+385
| New | +$20K |
|
|
NREF
1661
NexPoint Real Estate Finance
NREF
$251M
| $20K | ﹤0.01% |
+1,324
| New | +$20K |
|
1662
scPharmaceuticals
SCPH
$302M
| $20K | ﹤0.01% |
+3,251
| New | +$20K |
|
1663
UNIFI
UFI
$85.9M
| $20K | ﹤0.01% |
+3,104
| New | +$20K |
|
1664
Airgain
AIRG
$52M
| $19K | ﹤0.01% |
5,345
+5,007
| +1,481% | +$17.8K |
|
1665
BioVie
BIVI
$14.5M
| $19K | ﹤0.01% |
158
-46
| -23% | -$5.53K |
|
1666
CI&T Inc
CINT
$747M
| $19K | ﹤0.01% |
3,642
+2,107
| +137% | +$11K |
|
1667
Collegium Pharmaceutical
COLL
$1.13B
| $19K | ﹤0.01% |
643
-3,708
| -85% | -$110K |
|
1668
Enhabit
EHAB
$404M
| $19K | ﹤0.01% |
+1,885
| New | +$19K |
|
1669
Expeditors International
EXPD
$16.8B
| $19K | ﹤0.01% |
+155
| New | +$19K |
|
1670
Imperial Petroleum
IMPP
$161M
| $19K | ﹤0.01% |
7,462
+3,952
| +113% | +$10.1K |
|
1671
YieldMax NVDA Option Income Strategy ETF
NVDY
$1.83B
| $19K | ﹤0.01% |
+871
| New | +$19K |
|
1672
Cassava Sciences
SAVA
$112M
| $19K | ﹤0.01% |
+853
| New | +$19K |
|
1673
TrueCar
TRUE
$215M
| $19K | ﹤0.01% |
+5,605
| New | +$19K |
|
1674
Village Farms International
VFF
$305M
| $19K | ﹤0.01% |
25,937
+10,195
| +65% | +$7.47K |
|
1675
WisdomTree Artificial Intelligence and Innovation Fund
WTAI
$316M
| $19K | ﹤0.01% |
935
-2,079
| -69% | -$42.2K |
|