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 | |
|---|---|---|---|---|---|---|
1301
NeoGenomics
NEO
$1.08B
| $39K | ﹤0.01% |
1,268
-7,648
| -86% | -$235K |
|
1302
Photronics
PLAB
$1.34B
| $39K | ﹤0.01% |
3,562
+2,838
| +392% | +$31.1K |
|
1303
Relmada Therapeutics
RLMD
$50.5M
| $39K | ﹤0.01% |
878
+353
| +67% | +$15.7K |
|
1304
Spectrum Brands
SPB
$1.33B
| $39K | ﹤0.01% |
863
-1,609
| -65% | -$72.7K |
|
1305
WD-40
WDFC
$2.88B
| $39K | ﹤0.01% |
+198
| New | +$39K |
|
1306
W.R. Berkley
WRB
$28B
| $39K | ﹤0.01% |
+1,553
| New | +$39K |
|
|
TEN
1307
DELISTED
Tenneco Inc. Class A Voting Common Stock
TEN
| $39K | ﹤0.01% |
+5,163
| New | +$39K |
|
1308
Ardmore Shipping
ASC
$502M
| $38K | ﹤0.01% |
8,760
+7,772
| +787% | +$33.7K |
|
|
DSL
1309
DoubleLine Income Solutions Fund
DSL
$1.45B
| $38K | ﹤0.01% |
2,534
-5,050
| -67% | -$75.7K |
|
1310
Liberty Latin America Class C
LILAK
$1.55B
| $38K | ﹤0.01% |
4,380
+409
| +10% | +$3.55K |
|
1311
Smith & Nephew
SNN
$16.7B
| $38K | ﹤0.01% |
1,016
-9,983
| -91% | -$373K |
|
|
AEL
1312
DELISTED
American Equity Investment Life Holding Company
AEL
| $38K | ﹤0.01% |
1,547
-951
| -38% | -$23.4K |
|
|
CNR
1313
DELISTED
Cornerstone Building Brands, Inc.
CNR
| $38K | ﹤0.01% |
6,386
+3,014
| +89% | +$17.9K |
|
|
JOBS
1314
DELISTED
51job, Inc.
JOBS
| $38K | ﹤0.01% |
+532
| New | +$38K |
|
1315
CVR Energy
CVI
$3.2B
| $37K | ﹤0.01% |
1,884
-3,946
| -68% | -$77.5K |
|
|
EXK
1316
Endeavour Silver
EXK
$1.78B
| $37K | ﹤0.01% |
+16,500
| New | +$37K |
|
1317
EXL Service
EXLS
$7.13B
| $37K | ﹤0.01% |
2,945
-2,845
| -49% | -$35.7K |
|
1318
Forestar Group
FOR
$1.45B
| $37K | ﹤0.01% |
2,464
-799
| -24% | -$12K |
|
1319
Inogen
INGN
$231M
| $37K | ﹤0.01% |
1,042
-103
| -9% | -$3.66K |
|
1320
Vanguard Consumer Staples ETF
VDC
$7.64B
| $37K | ﹤0.01% |
+248
| New | +$37K |
|
|
BFX
1321
DELISTED
BowFlex Inc.
BFX
| $37K | ﹤0.01% |
4,087
-41,517
| -91% | -$376K |
|
|
VCRA
1322
DELISTED
VOCERA COMMUNICATIONS, INC.
VCRA
| $37K | ﹤0.01% |
1,749
-3,095
| -64% | -$65.5K |
|
1323
ProShares Trust UltraShort MSCI Japan
EWV
$4.08M
| $36K | ﹤0.01% |
392
-1,584
| -80% | -$145K |
|
1324
New Mountain Finance
NMFC
$1.12B
| $36K | ﹤0.01% |
3,916
-4,834
| -55% | -$44.4K |
|
1325
US Physical Therapy
USPH
$1.25B
| $36K | ﹤0.01% |
450
+345
| +329% | +$27.6K |
|