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 | |
|---|---|---|---|---|---|---|
1001
Steven Madden
SHOO
$2.31B
| $137K | ﹤0.01% |
2,814
+2,812
| +140,600% | +$137K |
|
1002
ProShares Ultra Yen
YCL
$56.2M
| $137K | ﹤0.01% |
5,563
+910
| +20% | +$22.4K |
|
|
ODV
1003
Osisko Development Corp
ODV
$742M
| $136K | ﹤0.01% |
64,197
+20,222
| +46% | +$42.8K |
|
|
PPTA
1004
Perpetua Resources
PPTA
$1.85B
| $136K | ﹤0.01% |
+14,564
| New | +$136K |
|
1005
Provident Bancorp
PVBC
$228M
| $135K | ﹤0.01% |
12,543
-174
| -1% | -$1.87K |
|
1006
ProShares Trust UltraShort Lehman 20+ Year Treasury
TBT
$278M
| $135K | ﹤0.01% |
4,550
-3,710
| -45% | -$110K |
|
1007
iShares MSCI Taiwan ETF
EWT
$6.51B
| $135K | ﹤0.01% |
+2,519
| New | +$135K |
|
1008
Direxion Daily GOOGL Bull 2X Shares
GGLL
$472M
| $135K | ﹤0.01% |
+3,649
| New | +$135K |
|
1009
iShares S&P GSCI Commodity-Indexed Trust
GSG
$992M
| $135K | ﹤0.01% |
6,470
-1,926
| -23% | -$40.2K |
|
1010
Liquidia Corp
LQDA
$2.32B
| $135K | ﹤0.01% |
13,562
-12,328
| -48% | -$123K |
|
1011
POET Technologies
POET
$484M
| $134K | ﹤0.01% |
30,328
+22,443
| +285% | +$99.2K |
|
1012
Surmodics
SRDX
$461M
| $134K | ﹤0.01% |
3,466
+3,445
| +16,405% | +$133K |
|
1013
Simplify Volatility Premium ETF
SVOL
$777M
| $134K | ﹤0.01% |
+6,137
| New | +$134K |
|
1014
Terex
TEX
$3.49B
| $132K | ﹤0.01% |
2,504
+2,127
| +564% | +$112K |
|
1015
Sealed Air
SEE
$4.99B
| $129K | ﹤0.01% |
+3,578
| New | +$129K |
|
1016
PACS Group
PACS
$1.49B
| $129K | ﹤0.01% |
3,237
+2,935
| +972% | +$117K |
|
1017
VanEck ChiNext ETF
CNXT
$39.6M
| $128K | ﹤0.01% |
+4,363
| New | +$128K |
|
1018
Novartis
NVS
$247B
| $128K | ﹤0.01% |
+1,113
| New | +$128K |
|
1019
Schrodinger
SDGR
$1.38B
| $128K | ﹤0.01% |
6,918
+3,330
| +93% | +$61.6K |
|
1020
Cullinan Oncology
CGEM
$391M
| $127K | ﹤0.01% |
+7,623
| New | +$127K |
|
|
DESP
1021
DELISTED
Despegar.com
DESP
| $127K | ﹤0.01% |
10,316
-20,008
| -66% | -$246K |
|
1022
EPR Properties
EPR
$4.31B
| $127K | ﹤0.01% |
2,610
-10,637
| -80% | -$518K |
|
1023
Huntington Ingalls Industries
HII
$10.8B
| $127K | ﹤0.01% |
483
-2,547
| -84% | -$670K |
|
1024
Direxion Daily Utilities Bull 3X Shares
UTSL
$30.3M
| $127K | ﹤0.01% |
3,190
+101
| +3% | +$4.02K |
|
1025
National Beverage
FIZZ
$3.78B
| $126K | ﹤0.01% |
2,695
+1,076
| +66% | +$50.3K |
|