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
|
+$41.7M |
| 2 |
Mastercard
MA
|
+$33.6M |
| 3 |
Alibaba
BABA
|
+$33.4M |
| 4 |
Apple
AAPL
|
+$27.9M |
| 5 |
Alphabet (Google) Class C
GOOG
|
+$26M |
Top Sells
| 1 |
JPMorgan Chase
JPM
|
+$60M |
| 2 |
TSMC
TSM
|
+$49.5M |
| 3 |
iShares Silver Trust
SLV
|
+$26M |
| 4 |
Amazon
AMZN
|
+$25.2M |
| 5 |
Boeing
BA
|
+$22.1M |
Sector Composition
| 1 | Consumer Discretionary | 23.12% |
| 2 | Technology | 13.05% |
| 3 | Healthcare | 11.53% |
| 4 | Industrials | 7.38% |
| 5 | Communication Services | 6.71% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
1401
Nova
NVMI
$8.69B
| $75K | ﹤0.01% |
+1,065
| New | +$75K |
|
1402
Oceaneering
OII
$2.43B
| $75K | ﹤0.01% |
9,461
-6,016
| -39% | -$47.7K |
|
|
ALEX
1403
Alexander & Baldwin
ALEX
$1.34B
| $74K | ﹤0.01% |
4,323
-2,156
| -33% | -$36.9K |
|
1404
EXL Service
EXLS
$7.04B
| $74K | ﹤0.01% |
4,375
+3,445
| +370% | +$58.3K |
|
1405
Helix Energy Solutions
HLX
$914M
| $74K | ﹤0.01% |
+17,630
| New | +$74K |
|
1406
Direxion Daily 20+ Year Treasury Bear 3X Shares
TMV
$162M
| $74K | ﹤0.01% |
+5,552
| New | +$74K |
|
|
TRVG
1407
trivago
TRVG
$238M
| $74K | ﹤0.01% |
+6,178
| New | +$74K |
|
|
XONE
1408
DELISTED
The ExOne Company
XONE
| $74K | ﹤0.01% |
7,840
+2,491
| +47% | +$23.5K |
|
1409
Astec Industries
ASTE
$1.06B
| $73K | ﹤0.01% |
+1,266
| New | +$73K |
|
|
CVET
1410
DELISTED
Covetrus, Inc. Common Stock
CVET
| $73K | ﹤0.01% |
+2,573
| New | +$73K |
|
1411
Crane NXT
CXT
$3.46B
| $72K | ﹤0.01% |
+2,698
| New | +$72K |
|
1412
Comfort Systems
FIX
$26.6B
| $72K | ﹤0.01% |
+1,369
| New | +$72K |
|
1413
iShares US Oil & Gas Exploration & Production ETF
IEO
$469M
| $72K | ﹤0.01% |
+2,025
| New | +$72K |
|
1414
Steelcase
SCS
$1.93B
| $72K | ﹤0.01% |
5,316
-5,653
| -52% | -$76.6K |
|
|
FLOW
1415
DELISTED
SPX FLOW, Inc.
FLOW
| $72K | ﹤0.01% |
1,255
+1,155
| +1,155% | +$66.3K |
|
1416
iShares Self-Driving EV and Tech ETF
IDRV
$162M
| $71K | ﹤0.01% |
1,657
+866
| +109% | +$37.1K |
|
1417
O-I Glass
OI
$1.99B
| $71K | ﹤0.01% |
5,999
-13,648
| -69% | -$162K |
|
1418
Invesco S&P MidCap Low Volatility ETF
XMLV
$817M
| $71K | ﹤0.01% |
+1,476
| New | +$71K |
|
|
VRAY
1419
DELISTED
ViewRay, Inc.
VRAY
| $71K | ﹤0.01% |
+18,622
| New | +$71K |
|
1420
Banc of California
BANC
$2.62B
| $70K | ﹤0.01% |
+4,823
| New | +$70K |
|
1421
ClearSign Technologies
CLIR
$28.3M
| $70K | ﹤0.01% |
+24,105
| New | +$70K |
|
1422
Escalade
ESCA
$171M
| $70K | ﹤0.01% |
3,345
-6,752
| -67% | -$141K |
|
1423
Evergy
EVRG
$16.7B
| $70K | ﹤0.01% |
1,269
+1,250
| +6,579% | +$69K |
|
1424
Huron Consulting
HURN
$2.44B
| $70K | ﹤0.01% |
+1,199
| New | +$70K |
|
1425
Ingles Markets
IMKTA
$1.32B
| $70K | ﹤0.01% |
1,652
+1,175
| +246% | +$49.8K |
|