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 |
Amazon
AMZN
|
+$144M |
| 2 |
Invesco QQQ Trust
QQQ
|
+$68.7M |
| 3 |
AT&T
T
|
+$45.5M |
| 4 |
Meta Platforms (Facebook)
META
|
+$38M |
| 5 |
iShares MSCI Emerging Markets ETF
EEM
|
+$35.4M |
Top Sells
| 1 |
Microsoft
MSFT
|
+$94.2M |
| 2 |
Citigroup
C
|
+$62.3M |
| 3 |
JPMorgan Chase
JPM
|
+$56.2M |
| 4 |
Berkshire Hathaway Class B
BRK.B
|
+$45.8M |
| 5 |
SPDR Gold Trust
GLD
|
+$44.4M |
Sector Composition
| 1 | Consumer Discretionary | 16.85% |
| 2 | Technology | 15.5% |
| 3 | Communication Services | 10.53% |
| 4 | Healthcare | 8.8% |
| 5 | Consumer Staples | 5.63% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
276
Alamos Gold
AGI
$13.8B
| $1.22M | ﹤0.01% |
120,696
-37,133
| -24% | -$375K |
|
277
Virtu Financial
VIRT
$3.26B
| $1.22M | ﹤0.01% |
+59,774
| New | +$1.22M |
|
278
RCI Hospitality Holdings
RICK
$307M
| $1.21M | ﹤0.01% |
+12,993
| New | +$1.21M |
|
279
Hecla Mining
HL
$6.82B
| $1.21M | ﹤0.01% |
217,125
-32,943
| -13% | -$183K |
|
280
Boston Scientific
BSX
$160B
| $1.19M | ﹤0.01% |
25,811
-67,631
| -72% | -$3.13M |
|
281
Trump Media & Technology Group
DJT
$4.77B
| $1.19M | ﹤0.01% |
79,513
+597
| +0.8% | +$8.95K |
|
282
Keurig Dr Pepper
KDP
$37.5B
| $1.19M | ﹤0.01% |
+33,274
| New | +$1.19M |
|
283
Gray Television
GTN
$634M
| $1.18M | ﹤0.01% |
+105,545
| New | +$1.18M |
|
284
Fluor
FLR
$6.6B
| $1.17M | ﹤0.01% |
33,887
+27,397
| +422% | +$949K |
|
285
Invesco DB Base Metals Fund
DBB
$122M
| $1.17M | ﹤0.01% |
60,336
+59,546
| +7,537% | +$1.16M |
|
286
ICL Group
ICL
$7.87B
| $1.16M | ﹤0.01% |
158,593
+16,750
| +12% | +$122K |
|
287
ICICI Bank
IBN
$114B
| $1.16M | ﹤0.01% |
52,876
+23,660
| +81% | +$518K |
|
288
MBIA
MBI
$386M
| $1.16M | ﹤0.01% |
89,984
+30,045
| +50% | +$386K |
|
289
United States Brent Oil Fund
BNO
$102M
| $1.16M | ﹤0.01% |
40,871
+2,937
| +8% | +$83K |
|
290
IMAX
IMAX
$1.67B
| $1.14M | ﹤0.01% |
77,683
-34,876
| -31% | -$511K |
|
|
NSTG
291
DELISTED
NanoString Technologies, Inc.
NSTG
| $1.14M | ﹤0.01% |
142,802
+12,716
| +10% | +$101K |
|
292
Papa John's
PZZA
$1.63B
| $1.12M | ﹤0.01% |
13,656
+9,829
| +257% | +$809K |
|
293
Carvana
CVNA
$51.4B
| $1.12M | ﹤0.01% |
+235,503
| New | +$1.12M |
|
294
FLEX LNG
FLNG
$1.41B
| $1.12M | ﹤0.01% |
34,130
+3,057
| +10% | +$99.9K |
|
295
Direxion Daily Small Cap Bull 3x Shares
TNA
$2.2B
| $1.1M | ﹤0.01% |
34,824
-102,593
| -75% | -$3.25M |
|
296
Banco Santander
SAN
$145B
| $1.1M | ﹤0.01% |
373,485
-25,524
| -6% | -$75.2K |
|
297
Lightspeed Commerce
LSPD
$1.64B
| $1.1M | ﹤0.01% |
76,949
+29,121
| +61% | +$416K |
|
298
Fortinet
FTNT
$61.6B
| $1.08M | ﹤0.01% |
22,077
-56,599
| -72% | -$2.77M |
|
299
AdvisorShares Pure US Cannabis ETF
MSOS
$889M
| $1.08M | ﹤0.01% |
154,373
+152,540
| +8,322% | +$1.07M |
|
300
Global Partners
GLP
$1.76B
| $1.08M | ﹤0.01% |
31,004
+30,146
| +3,514% | +$1.05M |
|