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 | |
|---|---|---|---|---|---|---|
226
WisdomTree Japan Hedged Equity Fund
DXJ
$3.78B
| $2.66M | ﹤0.01% |
25,114
+12,318
| +96% | +$1.31M |
|
227
Kinross Gold
KGC
$26.9B
| $2.66M | ﹤0.01% |
283,838
-104,914
| -27% | -$982K |
|
228
Consolidated Edison
ED
$35.4B
| $2.63M | ﹤0.01% |
25,292
+16,323
| +182% | +$1.7M |
|
229
Kohl's
KSS
$1.86B
| $2.63M | ﹤0.01% |
124,553
-10,757
| -8% | -$227K |
|
230
Tilray
TLRY
$1.31B
| $2.61M | ﹤0.01% |
1,483,701
+245,808
| +20% | +$433K |
|
231
Brink's
BCO
$4.78B
| $2.59M | ﹤0.01% |
+22,419
| New | +$2.59M |
|
232
Box
BOX
$4.75B
| $2.57M | ﹤0.01% |
+78,461
| New | +$2.57M |
|
233
MasTec
MTZ
$14B
| $2.55M | ﹤0.01% |
20,691
-22,254
| -52% | -$2.74M |
|
234
Imperial Petroleum
IMPP
$123M
| $2.55M | ﹤0.01% |
613,511
+592,569
| +2,830% | +$2.46M |
|
235
IMAX
IMAX
$1.6B
| $2.54M | ﹤0.01% |
123,838
+18,852
| +18% | +$387K |
|
236
Synovus
SNV
$7.15B
| $2.53M | ﹤0.01% |
56,926
+1,675
| +3% | +$74.5K |
|
237
VanEck Junior Gold Miners ETF
GDXJ
$7B
| $2.53M | ﹤0.01% |
51,832
-28,188
| -35% | -$1.38M |
|
238
Navios Maritime Partners
NMM
$1.42B
| $2.53M | ﹤0.01% |
40,371
-3,729
| -8% | -$234K |
|
239
Capital One
COF
$142B
| $2.47M | ﹤0.01% |
+16,468
| New | +$2.47M |
|
240
Trump Media & Technology Group
DJT
$4.67B
| $2.46M | ﹤0.01% |
153,318
-74,485
| -33% | -$1.2M |
|
241
OneSpan
OSPN
$583M
| $2.45M | ﹤0.01% |
+147,087
| New | +$2.45M |
|
242
Hims & Hers Health
HIMS
$10.9B
| $2.45M | ﹤0.01% |
+132,806
| New | +$2.45M |
|
243
AstraZeneca
AZN
$253B
| $2.44M | ﹤0.01% |
+31,292
| New | +$2.44M |
|
244
Diamondback Energy
FANG
$40.2B
| $2.42M | ﹤0.01% |
14,057
-4,217
| -23% | -$727K |
|
245
ArcBest
ARCB
$1.72B
| $2.41M | ﹤0.01% |
22,225
-9,365
| -30% | -$1.02M |
|
246
Vipshop
VIPS
$8.45B
| $2.37M | ﹤0.01% |
150,433
+112,750
| +299% | +$1.77M |
|
247
Skechers
SKX
$9.5B
| $2.35M | ﹤0.01% |
35,043
+22,947
| +190% | +$1.54M |
|
248
Zillow
ZG
$20.5B
| $2.32M | ﹤0.01% |
37,446
+28,985
| +343% | +$1.8M |
|
249
Viatris
VTRS
$12.2B
| $2.32M | ﹤0.01% |
199,710
+98,570
| +97% | +$1.14M |
|
250
W.P. Carey
WPC
$14.9B
| $2.31M | ﹤0.01% |
37,155
+12,290
| +49% | +$765K |
|