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 | |
|---|---|---|---|---|---|---|
726
Lincoln National
LNC
$7.9B
| $222K | ﹤0.01% |
6,035
-6,226
| -51% | -$229K |
|
|
PTR
727
DELISTED
PETROCHINA COMPANY LIMITED ADS (REP 100 H SHARES)
PTR
| $222K | ﹤0.01% |
+6,720
| New | +$222K |
|
728
Amplify Alternative Harvest ETF
MJ
$184M
| $221K | ﹤0.01% |
1,435
+159
| +12% | +$24.5K |
|
729
Olin
OLN
$2.91B
| $221K | ﹤0.01% |
19,317
-26,596
| -58% | -$304K |
|
730
Ambac
AMBC
$426M
| $220K | ﹤0.01% |
+15,410
| New | +$220K |
|
|
OPI
731
Office Properties Income Trust
OPI
$17M
| $220K | ﹤0.01% |
8,473
+6,990
| +471% | +$181K |
|
732
Repay Holdings
RPAY
$509M
| $219K | ﹤0.01% |
+8,919
| New | +$219K |
|
733
Village Farms International
VFF
$293M
| $219K | ﹤0.01% |
45,908
+26,112
| +132% | +$125K |
|
734
CoreCivic
CXW
$2.1B
| $217K | ﹤0.01% |
23,215
+5,715
| +33% | +$53.4K |
|
|
AVID
735
DELISTED
Avid Technology Inc
AVID
| $217K | ﹤0.01% |
+29,984
| New | +$217K |
|
|
VER
736
DELISTED
VEREIT, Inc.
VER
| $217K | ﹤0.01% |
6,773
+5,793
| +591% | +$186K |
|
|
MR
737
DELISTED
Montage Resources Corporation Common Stock
MR
| $217K | ﹤0.01% |
54,998
+45,486
| +478% | +$179K |
|
|
AMAG
738
DELISTED
AMAG Pharmaceuticals, Inc.
AMAG
| $216K | ﹤0.01% |
+28,306
| New | +$216K |
|
739
Koppers
KOP
$565M
| $215K | ﹤0.01% |
11,425
+6,138
| +116% | +$116K |
|
740
Gray Television
GTN
$597M
| $214K | ﹤0.01% |
15,392
+3,515
| +30% | +$48.9K |
|
|
EGIO
741
DELISTED
Edgio, Inc. Common Stock
EGIO
| $214K | ﹤0.01% |
+727
| New | +$214K |
|
742
Digital Turbine
APPS
$495M
| $212K | ﹤0.01% |
16,899
-16,137
| -49% | -$202K |
|
743
Schrodinger
SDGR
$1.43B
| $212K | ﹤0.01% |
+2,321
| New | +$212K |
|
744
Direxion Daily 20+ Year Treasury Bear 3X Shares
TMV
$165M
| $212K | ﹤0.01% |
16,436
+1,920
| +13% | +$24.8K |
|
|
SILK
745
DELISTED
Silk Road Medical, Inc. Common Stock
SILK
| $212K | ﹤0.01% |
5,073
-1,870
| -27% | -$78.1K |
|
|
NGD
746
New Gold Inc
NGD
$5.02B
| $211K | ﹤0.01% |
156,662
+127,859
| +444% | +$172K |
|
747
Dynatrace
DT
$15.1B
| $210K | ﹤0.01% |
+5,191
| New | +$210K |
|
748
Maximus
MMS
$4.93B
| $210K | ﹤0.01% |
+2,995
| New | +$210K |
|
749
Aramark
ARMK
$10.1B
| $207K | ﹤0.01% |
12,710
-5,205
| -29% | -$84.8K |
|
750
Enova International
ENVA
$2.96B
| $207K | ﹤0.01% |
+13,938
| New | +$207K |
|