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
|
+$102M |
| 2 |
TSMC
TSM
|
+$29.6M |
| 3 |
JPMorgan Chase
JPM
|
+$21.9M |
| 4 |
Boeing
BA
|
+$18.8M |
| 5 |
Target
TGT
|
+$13.5M |
Top Sells
| 1 |
SPDR Gold Trust
GLD
|
+$94.2M |
| 2 |
Tesla
TSLA
|
+$91.2M |
| 3 |
Invesco QQQ Trust
QQQ
|
+$81.5M |
| 4 |
NVIDIA
NVDA
|
+$60M |
| 5 |
iShares MSCI EAFE ETF
EFA
|
+$40.5M |
Sector Composition
| 1 | Consumer Discretionary | 21.73% |
| 2 | Technology | 16.48% |
| 3 | Healthcare | 9.06% |
| 4 | Financials | 8.3% |
| 5 | Communication Services | 7.51% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
1051
Healthpeak Properties
DOC
$12.6B
| $114K | ﹤0.01% |
4,203
-26,394
| -86% | -$716K |
|
1052
Heron Therapeutics
HRTX
$195M
| $114K | ﹤0.01% |
7,745
+7,662
| +9,231% | +$113K |
|
|
KNDI
1053
Kandi Technologies Group
KNDI
$113M
| $114K | ﹤0.01% |
18,544
-14,939
| -45% | -$91.8K |
|
1054
SFL Corp
SFL
$1.06B
| $114K | ﹤0.01% |
+15,249
| New | +$114K |
|
1055
Alaunos Therapeutics
TCRT
$5.1M
| $114K | ﹤0.01% |
303
-220
| -42% | -$82.8K |
|
1056
Vital Energy
VTLE
$652M
| $114K | ﹤0.01% |
11,703
-25,772
| -69% | -$251K |
|
|
ATSG
1057
DELISTED
Air Transport Services Group, Inc.
ATSG
| $114K | ﹤0.01% |
+4,556
| New | +$114K |
|
|
ERF
1058
DELISTED
Enerplus Corporation
ERF
| $114K | ﹤0.01% |
+61,786
| New | +$114K |
|
1059
EQT Corp
EQT
$32.3B
| $113K | ﹤0.01% |
8,756
-43,100
| -83% | -$556K |
|
1060
Rush Street Interactive
RSI
$2B
| $113K | ﹤0.01% |
+8,921
| New | +$113K |
|
1061
Vuzix
VUZI
$173M
| $113K | ﹤0.01% |
24,891
-41,141
| -62% | -$187K |
|
1062
Kennedy-Wilson Holdings
KW
$1.24B
| $112K | ﹤0.01% |
7,751
-4,819
| -38% | -$69.6K |
|
|
MODN
1063
DELISTED
MODEL N, INC.
MODN
| $112K | ﹤0.01% |
3,175
-9,961
| -76% | -$351K |
|
|
TEN
1064
DELISTED
Tenneco Inc. Class A Voting Common Stock
TEN
| $112K | ﹤0.01% |
16,279
+11,116
| +215% | +$76.5K |
|
|
GCP
1065
DELISTED
GCP Applied Technologies Inc.
GCP
| $112K | ﹤0.01% |
+5,378
| New | +$112K |
|
1066
Live Nation Entertainment
LYV
$40.6B
| $111K | ﹤0.01% |
2,074
-51,945
| -96% | -$2.78M |
|
1067
Paysign
PAYS
$293M
| $111K | ﹤0.01% |
19,657
+13,965
| +245% | +$78.9K |
|
1068
Steelcase
SCS
$1.93B
| $110K | ﹤0.01% |
10,969
-10,501
| -49% | -$105K |
|
|
PDCE
1069
DELISTED
PDC Energy, Inc.
PDCE
| $110K | ﹤0.01% |
+8,900
| New | +$110K |
|
|
ENV
1070
DELISTED
ENVESTNET, INC.
ENV
| $110K | ﹤0.01% |
+1,432
| New | +$110K |
|
1071
Ambarella
AMBA
$3.47B
| $109K | ﹤0.01% |
+2,108
| New | +$109K |
|
1072
Telefônica Brasil
VIV
$20B
| $109K | ﹤0.01% |
14,338
+11,904
| +489% | +$90.5K |
|
1073
Cogent Communications
CCOI
$1.77B
| $108K | ﹤0.01% |
1,803
+740
| +70% | +$44.3K |
|
1074
Option Care Health
OPCH
$4.74B
| $108K | ﹤0.01% |
8,102
+7,654
| +1,708% | +$102K |
|
1075
Pampa Energía
PAM
$3.25B
| $108K | ﹤0.01% |
10,522
-13,745
| -57% | -$141K |
|