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 |
Apple
AAPL
|
+$586M |
| 2 |
Strategy Inc Common Stock Class A
MSTR
|
+$82.5M |
| 3 |
Intel
INTC
|
+$40.4M |
| 4 |
Invesco QQQ Trust
QQQ
|
+$39.4M |
| 5 |
Uber
UBER
|
+$36.3M |
Top Sells
| 1 |
NVIDIA
NVDA
|
+$130M |
| 2 |
Pinduoduo
PDD
|
+$95.7M |
| 3 |
Boeing
BA
|
+$56.2M |
| 4 |
KraneShares CSI China Internet ETF
KWEB
|
+$40.7M |
| 5 |
Microsoft
MSFT
|
+$40.5M |
Sector Composition
| 1 | Technology | 34.29% |
| 2 | Consumer Discretionary | 11.38% |
| 3 | Healthcare | 9.65% |
| 4 | Financials | 6.33% |
| 5 | Communication Services | 5.52% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
901
Compass Minerals
CMP
$752M
| $233K | ﹤0.01% |
+20,779
| New | +$233K |
|
902
Marqeta
MQ
$2.61B
| $231K | ﹤0.01% |
61,132
+15,814
| +35% | +$59.8K |
|
903
Neonode
NEON
$70.7M
| $230K | ﹤0.01% |
28,011
+724
| +3% | +$5.95K |
|
904
Travere Therapeutics
TVTX
$2.41B
| $230K | ﹤0.01% |
13,242
-27,219
| -67% | -$473K |
|
905
ITT
ITT
$13.6B
| $229K | ﹤0.01% |
1,604
-1,304
| -45% | -$186K |
|
906
Rayonier Advanced Materials
RYAM
$403M
| $229K | ﹤0.01% |
27,797
+1,166
| +4% | +$9.61K |
|
907
ProShares VIX Mid-Term Futures ETF
VIXM
$41.3M
| $229K | ﹤0.01% |
+15,853
| New | +$229K |
|
908
AMC Networks
AMCX
$325M
| $228K | ﹤0.01% |
23,083
-2,294
| -9% | -$22.7K |
|
909
Royal Caribbean
RCL
$92.6B
| $228K | ﹤0.01% |
+990
| New | +$228K |
|
910
Brookfield Renewable
BEP
$7.14B
| $227K | ﹤0.01% |
+9,969
| New | +$227K |
|
911
Medifast
MED
$152M
| $227K | ﹤0.01% |
12,885
+10,551
| +452% | +$186K |
|
912
Taboola.com
TBLA
$1,000M
| $227K | ﹤0.01% |
62,427
-29,943
| -32% | -$109K |
|
913
Aldeyra Therapeutics
ALDX
$332M
| $225K | ﹤0.01% |
+45,232
| New | +$225K |
|
914
Kimco Realty
KIM
$15.1B
| $225K | ﹤0.01% |
+9,635
| New | +$225K |
|
915
American Eagle Outfitters
AEO
$3.31B
| $224K | ﹤0.01% |
13,471
-170,119
| -93% | -$2.83M |
|
916
ARK Fintech Innovation ETF
ARKF
$1.35B
| $223K | ﹤0.01% |
+6,031
| New | +$223K |
|
917
SuRo Capital
SSSS
$210M
| $223K | ﹤0.01% |
37,968
+12,860
| +51% | +$75.5K |
|
|
NVRO
918
DELISTED
NEVRO CORP.
NVRO
| $223K | ﹤0.01% |
+60,055
| New | +$223K |
|
919
Bioventus
BVS
$471M
| $222K | ﹤0.01% |
21,180
+20,491
| +2,974% | +$215K |
|
920
iShares MSCI Mexico ETF
EWW
$1.86B
| $221K | ﹤0.01% |
+4,727
| New | +$221K |
|
921
Invesco CurrencyShares Canadian Dollar Trust
FXC
$91.6M
| $221K | ﹤0.01% |
3,252
+3,124
| +2,441% | +$212K |
|
922
Direxion Daily MSFT Bull 2X Shares
MSFU
$140M
| $220K | ﹤0.01% |
5,593
+5,032
| +897% | +$198K |
|
923
HEICO Class A
HEI.A
$34.6B
| $219K | ﹤0.01% |
1,177
+915
| +349% | +$170K |
|
924
Viper Energy
VNOM
$6.59B
| $219K | ﹤0.01% |
+4,474
| New | +$219K |
|
925
Revolve Group
RVLV
$1.67B
| $217K | ﹤0.01% |
6,501
-2,121
| -25% | -$70.8K |
|