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 | |
|---|---|---|---|---|---|---|
1151
ProShares Ultra Technology
ROM
$816M
| $65K | ﹤0.01% |
2,800
-42,688
| -94% | -$991K |
|
|
PRTK
1152
DELISTED
Paratek Pharmaceuticals, Inc.
PRTK
| $65K | ﹤0.01% |
12,519
+8,066
| +181% | +$41.9K |
|
|
UMPQ
1153
DELISTED
Umpqua Holdings Corp
UMPQ
| $65K | ﹤0.01% |
6,158
-2,501
| -29% | -$26.4K |
|
1154
Credicorp
BAP
$21.2B
| $64K | ﹤0.01% |
+480
| New | +$64K |
|
1155
iShares Select Dividend ETF
DVY
$20.9B
| $64K | ﹤0.01% |
803
-62,099
| -99% | -$4.95M |
|
1156
NETGEAR
NTGR
$842M
| $64K | ﹤0.01% |
2,497
+277
| +12% | +$7.1K |
|
1157
Premier
PINC
$2.21B
| $64K | ﹤0.01% |
+1,867
| New | +$64K |
|
1158
Vanguard Extended Market ETF
VXF
$24.5B
| $64K | ﹤0.01% |
+543
| New | +$64K |
|
1159
MRC Global
MRC
$1.26B
| $63K | ﹤0.01% |
10,703
-15,237
| -59% | -$89.7K |
|
|
ROIC
1160
DELISTED
Retail Opportunity Investments Corp.
ROIC
| $63K | ﹤0.01% |
5,618
+4,278
| +319% | +$48K |
|
1161
AMN Healthcare
AMN
$727M
| $62K | ﹤0.01% |
1,386
-5,705
| -80% | -$255K |
|
1162
Associated Banc-Corp
ASB
$4.38B
| $62K | ﹤0.01% |
4,539
+4,413
| +3,502% | +$60.3K |
|
1163
Cytokinetics
CYTK
$6.38B
| $62K | ﹤0.01% |
2,638
-42,839
| -94% | -$1.01M |
|
1164
Golar LNG
GLNG
$4.16B
| $62K | ﹤0.01% |
+8,686
| New | +$62K |
|
1165
Kinsale Capital Group
KNSL
$10.2B
| $62K | ﹤0.01% |
+402
| New | +$62K |
|
1166
RCI Hospitality Holdings
RICK
$306M
| $62K | ﹤0.01% |
4,496
+396
| +10% | +$5.46K |
|
1167
Verastem
VSTM
$575M
| $62K | ﹤0.01% |
3,012
+2,987
| +11,948% | +$61.5K |
|
|
ADSW
1168
DELISTED
Advanced Disposal Services, Inc.
ADSW
| $62K | ﹤0.01% |
+2,061
| New | +$62K |
|
1169
Amplify Online Retail ETF
IBUY
$160M
| $61K | ﹤0.01% |
+873
| New | +$61K |
|
1170
Valley National Bancorp
VLY
$6.03B
| $61K | ﹤0.01% |
7,837
+7,831
| +130,517% | +$61K |
|
1171
Woodward
WWD
$14.4B
| $61K | ﹤0.01% |
+790
| New | +$61K |
|
|
CURO
1172
DELISTED
CURO Group Holdings Corp.
CURO
| $61K | ﹤0.01% |
+7,494
| New | +$61K |
|
|
CHS
1173
DELISTED
Chicos FAS, Inc.
CHS
| $61K | ﹤0.01% |
44,259
+28,631
| +183% | +$39.5K |
|
1174
Helen of Troy
HELE
$567M
| $60K | ﹤0.01% |
+323
| New | +$60K |
|
1175
E.W. Scripps
SSP
$257M
| $60K | ﹤0.01% |
6,895
+4,939
| +253% | +$43K |
|