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 |
Boeing
BA
|
$49.5M |
| 2 |
Pinduoduo
PDD
|
$45.3M |
| 3 |
Microsoft
MSFT
|
$42.5M |
| 4 |
Apple
AAPL
|
$33.3M |
| 5 |
Direxion Daily Semiconductor Bull 3X Shares
SOXL
|
$25.4M |
Top Sells
| 1 |
Broadcom
AVGO
|
$95.4M |
| 2 |
Citigroup
C
|
$57.9M |
| 3 |
Pfizer
PFE
|
$55.9M |
| 4 |
TSMC
TSM
|
$40.4M |
| 5 |
Starbucks
SBUX
|
$40.4M |
Sector Composition
| 1 | Technology | 23.11% |
| 2 | Consumer Discretionary | 16.53% |
| 3 | Healthcare | 8.58% |
| 4 | Industrials | 7.58% |
| 5 | Financials | 7.29% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
201
Oracle
ORCL
$654B
| $3.13M | ﹤0.01% |
+18,353
| New | +$3.13M |
|
|
202
Starbucks
SBUX
$97.1B
| $3.11M | ﹤0.01% |
31,915
-414,331
| -93% | -$40.4M |
|
203
Starwood Property Trust
STWD
$7.56B
| $3.1M | ﹤0.01% |
152,287
+92,797
| +156% | +$1.89M |
|
204
Factset
FDS
$14B
| $3.1M | ﹤0.01% |
+6,733
| New | +$3.1M |
|
205
ZIM Integrated Shipping Services
ZIM
$1.62B
| $3.09M | ﹤0.01% |
120,366
-34,321
| -22% | -$881K |
|
206
Intuitive Machines
LUNR
$1B
| $3.04M | ﹤0.01% |
377,275
+350,119
| +1,289% | +$2.82M |
|
207
L3Harris
LHX
$51B
| $3M | ﹤0.01% |
12,605
+11,177
| +783% | +$2.66M |
|
208
Cenovus Energy
CVE
$28.7B
| $2.99M | ﹤0.01% |
178,953
+47,464
| +36% | +$794K |
|
209
Hilton Worldwide
HLT
$64B
| $2.99M | ﹤0.01% |
12,966
+62
| +0.5% | +$14.3K |
|
210
Mativ Holdings
MATV
$680M
| $2.95M | ﹤0.01% |
173,618
+86,352
| +99% | +$1.47M |
|
211
BWX Technologies
BWXT
$15B
| $2.93M | ﹤0.01% |
26,917
+16,275
| +153% | +$1.77M |
|
212
Wolverine World Wide
WWW
$2.59B
| $2.91M | ﹤0.01% |
167,017
+136,650
| +450% | +$2.38M |
|
213
Coupang
CPNG
$52.7B
| $2.89M | ﹤0.01% |
+117,903
| New | +$2.89M |
|
214
Home Depot
HD
$417B
| $2.88M | ﹤0.01% |
7,107
-8,805
| -55% | -$3.57M |
|
215
Invesco
IVZ
$9.81B
| $2.87M | ﹤0.01% |
163,635
+8,569
| +6% | +$150K |
|
216
QuantumScape
QS
$4.44B
| $2.85M | ﹤0.01% |
495,471
-170,608
| -26% | -$981K |
|
217
Mobileye
MBLY
$12B
| $2.85M | ﹤0.01% |
207,785
-67,663
| -25% | -$927K |
|
218
Rush Street Interactive
RSI
$2.02B
| $2.82M | ﹤0.01% |
+259,660
| New | +$2.82M |
|
219
AMC Entertainment Holdings
AMC
$1.41B
| $2.76M | ﹤0.01% |
606,787
+189,145
| +45% | +$860K |
|
220
LPL Financial
LPLA
$26.6B
| $2.76M | ﹤0.01% |
+11,867
| New | +$2.76M |
|
221
PepsiCo
PEP
$200B
| $2.71M | ﹤0.01% |
+15,947
| New | +$2.71M |
|
222
Mastercard
MA
$528B
| $2.7M | ﹤0.01% |
+5,473
| New | +$2.7M |
|
223
Ventas
VTR
$30.9B
| $2.68M | ﹤0.01% |
41,795
-1,454
| -3% | -$93.2K |
|
224
Marvell Technology
MRVL
$54.6B
| $2.68M | ﹤0.01% |
+37,100
| New | +$2.68M |
|
225
Flutter Entertainment
FLUT
$51.9B
| $2.67M | ﹤0.01% |
11,246
+10,655
| +1,803% | +$2.53M |
|