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 | |
|---|---|---|---|---|---|---|
26
Robinhood
HOOD
$89.6B
| $22.6M | 0.01% |
1,774,728
+1,366,254
| +334% | +$17.4M |
|
27
Delta Air Lines
DAL
$40B
| $21.5M | 0.01% |
+534,529
| New | +$21.5M |
|
28
Technology Select Sector SPDR Fund
XLK
$83.6B
| $21M | 0.01% |
109,307
+105,517
| +2,784% | +$20.3M |
|
29
TSMC
TSM
$1.2T
| $20.4M | 0.01% |
+196,626
| New | +$20.4M |
|
|
30
SPDR Gold Trust
GLD
$111B
| $20.2M | 0.01% |
105,898
-306,498
| -74% | -$58.6M |
|
|
31
Coinbase
COIN
$77.7B
| $19.7M | 0.01% |
113,097
-324,957
| -74% | -$56.5M |
|
32
Occidental Petroleum
OXY
$45.6B
| $19.6M | 0.01% |
+327,643
| New | +$19.6M |
|
33
VanEck Gold Miners ETF
GDX
$19.6B
| $19.6M | 0.01% |
+630,619
| New | +$19.6M |
|
34
Sea Limited
SE
$107B
| $18.1M | 0.01% |
447,522
+44,209
| +11% | +$1.79M |
|
35
Wells Fargo
WFC
$258B
| $17.4M | 0.01% |
+352,816
| New | +$17.4M |
|
36
FedEx
FDX
$53.2B
| $16.8M | 0.01% |
+66,578
| New | +$16.8M |
|
37
MongoDB
MDB
$25.5B
| $16.5M | 0.01% |
40,247
+26,073
| +184% | +$10.7M |
|
38
Oracle
ORCL
$628B
| $16M | 0.01% |
151,474
-151,917
| -50% | -$16M |
|
39
Baidu
BIDU
$33.1B
| $15.1M | 0.01% |
126,712
+110,097
| +663% | +$13.1M |
|
40
Ford
F
$46.2B
| $14.4M | 0.01% |
1,181,499
+273,710
| +30% | +$3.34M |
|
41
SolarEdge
SEDG
$1.97B
| $14.4M | 0.01% |
153,438
+53,370
| +53% | +$5M |
|
42
CVS Health
CVS
$93B
| $13.8M | 0.01% |
+174,311
| New | +$13.8M |
|
43
iShares MSCI Emerging Markets ETF
EEM
$19B
| $13.7M | 0.01% |
+340,959
| New | +$13.7M |
|
44
PepsiCo
PEP
$203B
| $13.6M | 0.01% |
+80,144
| New | +$13.6M |
|
45
Warner Bros
WBD
$29.5B
| $13.2M | 0.01% |
1,157,298
-81,600
| -7% | -$929K |
|
46
AT&T
T
$208B
| $12.9M | 0.01% |
767,232
-983,001
| -56% | -$16.5M |
|
47
Check Point Software Technologies
CHKP
$20.6B
| $12.8M | 0.01% |
83,569
-3,184
| -4% | -$486K |
|
48
Energy Transfer Partners
ET
$60.3B
| $12.8M | 0.01% |
925,178
-205,236
| -18% | -$2.83M |
|
49
Riot Platforms
RIOT
$4.97B
| $12.7M | 0.01% |
823,890
+356,143
| +76% | +$5.51M |
|
50
Consumers Staples Select Sector SPDR Fund
XLP
$15.8B
| $12.6M | 0.01% |
174,797
-21,359
| -11% | -$1.54M |
|