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 |
Invesco QQQ Trust
QQQ
|
+$85.4M |
| 2 |
SPDR Gold Trust
GLD
|
+$75.9M |
| 3 |
NVIDIA
NVDA
|
+$42.6M |
| 4 |
Netflix
NFLX
|
+$41.1M |
| 5 |
iShares MSCI EAFE ETF
EFA
|
+$40.5M |
Top Sells
| 1 |
Apple
AAPL
|
+$65.7M |
| 2 |
iPath Series B S&P 500 VIX Short-Term Futures ETN
VXX
|
+$25.5M |
| 3 |
SPDR S&P 500 ETF Trust
SPY
|
+$24.4M |
| 4 |
SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$24.3M |
| 5 |
Broadcom
AVGO
|
+$21.3M |
Sector Composition
| 1 | Technology | 15.2% |
| 2 | Consumer Discretionary | 14.52% |
| 3 | Communication Services | 10.57% |
| 4 | Healthcare | 8.15% |
| 5 | Financials | 7.15% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
1051
Invesco Water Resources ETF
PHO
$2.24B
| $87K | ﹤0.01% |
2,403
-8,790
| -79% | -$318K |
|
1052
W&T Offshore
WTI
$255M
| $87K | ﹤0.01% |
38,163
-6,619
| -15% | -$15.1K |
|
|
RESI
1053
DELISTED
Front Yard Residential Corporation Common Stock
RESI
| $87K | ﹤0.01% |
10,059
+5,351
| +114% | +$46.3K |
|
1054
Genuine Parts
GPC
$19.7B
| $86K | ﹤0.01% |
+1,000
| New | +$86K |
|
1055
Pearson
PSO
$9.21B
| $86K | ﹤0.01% |
11,963
+11,342
| +1,826% | +$81.5K |
|
1056
Regal Rexnord
RRX
$9.56B
| $86K | ﹤0.01% |
+987
| New | +$86K |
|
1057
Viavi Solutions
VIAV
$2.7B
| $86K | ﹤0.01% |
6,775
-1,503
| -18% | -$19.1K |
|
1058
VICI Properties
VICI
$35.4B
| $86K | ﹤0.01% |
+4,287
| New | +$86K |
|
|
EMWP
1059
DELISTED
Eros Media World PLC
EMWP
| $86K | ﹤0.01% |
1,369
+88
| +7% | +$5.53K |
|
1060
Ciena
CIEN
$18.9B
| $85K | ﹤0.01% |
+1,570
| New | +$85K |
|
1061
Invesco WilderHill Clean Energy ETF
PBW
$369M
| $85K | ﹤0.01% |
2,098
+1,074
| +105% | +$43.5K |
|
|
SRG
1062
Seritage Growth Properties
SRG
$252M
| $85K | ﹤0.01% |
7,515
+214
| +3% | +$2.42K |
|
|
ACR
1063
ACRES Commercial Realty
ACR
$158M
| $84K | ﹤0.01% |
10,686
+9,973
| +1,399% | +$78.4K |
|
1064
Vanguard Total Bond Market
BND
$135B
| $84K | ﹤0.01% |
955
+128
| +15% | +$11.3K |
|
|
CMCM
1065
Cheetah Mobile
CMCM
$275M
| $84K | ﹤0.01% |
9,857
+6,796
| +222% | +$57.9K |
|
1066
Open Text
OTEX
$9.06B
| $84K | ﹤0.01% |
1,988
-7,748
| -80% | -$327K |
|
1067
Teledyne Technologies
TDY
$26.2B
| $84K | ﹤0.01% |
+272
| New | +$84K |
|
1068
Vermilion Energy
VET
$1.16B
| $83K | ﹤0.01% |
18,687
-49,187
| -72% | -$218K |
|
|
PRMW
1069
DELISTED
Primo Water Corporation
PRMW
| $83K | ﹤0.01% |
+6,053
| New | +$83K |
|
|
TTCF
1070
DELISTED
Tattooed Chef, Inc Class A Common Stock
TTCF
| $83K | ﹤0.01% |
+5,074
| New | +$83K |
|
|
LJPC
1071
DELISTED
La Jolla Pharmaceutical Company
LJPC
| $83K | ﹤0.01% |
19,669
-3,707
| -16% | -$15.6K |
|
1072
Cogent Communications
CCOI
$1.77B
| $82K | ﹤0.01% |
+1,063
| New | +$82K |
|
1073
Diodes
DIOD
$2.49B
| $82K | ﹤0.01% |
+1,621
| New | +$82K |
|
1074
Takeda Pharmaceutical
TAK
$48.4B
| $82K | ﹤0.01% |
4,600
-10,148
| -69% | -$181K |
|
|
SWIR
1075
DELISTED
Sierra Wireless
SWIR
| $82K | ﹤0.01% |
9,237
-1,407
| -13% | -$12.5K |
|