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 |
NVIDIA
NVDA
|
+$114M |
| 2 |
Citigroup
C
|
+$77M |
| 3 |
Broadcom
AVGO
|
+$53M |
| 4 |
Pinduoduo
PDD
|
+$49.7M |
| 5 |
Intel
INTC
|
+$44.5M |
Top Sells
| 1 |
Energy Select Sector SPDR Fund
XLE
|
+$92.5M |
| 2 |
Pfizer
PFE
|
+$67.5M |
| 3 |
Boeing
BA
|
+$66.7M |
| 4 |
Direxion Daily Semiconductor Bull 3X Shares
SOXL
|
+$44.9M |
| 5 |
PayPal
PYPL
|
+$44.4M |
Sector Composition
| 1 | Technology | 27.91% |
| 2 | Consumer Discretionary | 14.92% |
| 3 | Healthcare | 10.74% |
| 4 | Financials | 10.11% |
| 5 | Materials | 6.23% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
|
LUNA
1401
DELISTED
Luna Innovations Incorporated
LUNA
| $45K | ﹤0.01% |
14,236
+12,617
| +779% | +$39.9K |
|
1402
Lantronix
LTRX
$174M
| $44K | ﹤0.01% |
12,560
+10,990
| +700% | +$38.5K |
|
1403
YieldMax TSLA Option Income Strategy ETF
TSLY
$1.25B
| $44K | ﹤0.01% |
2,748
-1,416
| -34% | -$22.7K |
|
1404
Village Farms International
VFF
$297M
| $44K | ﹤0.01% |
43,941
+40,684
| +1,249% | +$40.7K |
|
1405
Zurn Elkay Water Solutions
ZWS
$7.82B
| $44K | ﹤0.01% |
1,497
-2,749
| -65% | -$80.8K |
|
1406
Civitas Resources
CIVI
$3.02B
| $43K | ﹤0.01% |
+633
| New | +$43K |
|
1407
Great Southern Bancorp
GSBC
$710M
| $43K | ﹤0.01% |
780
-374
| -32% | -$20.6K |
|
1408
Inter&Co
INTR
$3.92B
| $43K | ﹤0.01% |
+7,046
| New | +$43K |
|
1409
Teekay
TK
$722M
| $43K | ﹤0.01% |
4,848
-75,555
| -94% | -$670K |
|
1410
X4 Pharmaceuticals
XFOR
$73.2M
| $43K | ﹤0.01% |
+2,514
| New | +$43K |
|
1411
Aris Water Solutions
ARIS
$787M
| $42K | ﹤0.01% |
2,717
-1,792
| -40% | -$27.7K |
|
1412
Teucrium Sugar Fund
CANE
$12.5M
| $42K | ﹤0.01% |
+3,450
| New | +$42K |
|
1413
Gerdau
GGB
$6.03B
| $42K | ﹤0.01% |
+12,743
| New | +$42K |
|
1414
Corning
GLW
$66B
| $42K | ﹤0.01% |
+1,103
| New | +$42K |
|
1415
Insperity
NSP
$1.99B
| $42K | ﹤0.01% |
467
-155
| -25% | -$13.9K |
|
1416
Simplify Interest Rate Hedge ETF
PFIX
$143M
| $42K | ﹤0.01% |
+880
| New | +$42K |
|
1417
Visteon
VC
$3.4B
| $42K | ﹤0.01% |
+395
| New | +$42K |
|
1418
Vitesse Energy
VTS
$968M
| $42K | ﹤0.01% |
1,811
-189
| -9% | -$4.38K |
|
1419
Vanguard Russell 2000 ETF
VTWO
$12.8B
| $42K | ﹤0.01% |
+522
| New | +$42K |
|
1420
XPEL
XPEL
$960M
| $42K | ﹤0.01% |
1,192
-6,847
| -85% | -$241K |
|
|
RCM
1421
DELISTED
R1 RCM Inc. Common Stock
RCM
| $42K | ﹤0.01% |
3,423
-32,404
| -90% | -$398K |
|
1422
BioXcel Therapeutics
BTAI
$49.8M
| $41K | ﹤0.01% |
2,018
+1,123
| +125% | +$22.8K |
|
1423
Equity Lifestyle Properties
ELS
$11.9B
| $41K | ﹤0.01% |
+639
| New | +$41K |
|
1424
Immunic
IMUX
$78.4M
| $41K | ﹤0.01% |
37,187
+7,423
| +25% | +$8.18K |
|
1425
Lithia Motors
LAD
$8.56B
| $41K | ﹤0.01% |
+166
| New | +$41K |
|