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 |
Apple
AAPL
|
+$45.7M |
| 2 |
Walmart
WMT
|
+$45.2M |
| 3 |
VanEck Oil Services ETF
OIH
|
+$34.2M |
| 4 |
iShares 20+ Year Treasury Bond ETF
TLT
|
+$33.2M |
| 5 |
Citigroup
C
|
+$32.7M |
Top Sells
| 1 |
Amazon
AMZN
|
+$164M |
| 2 |
Invesco QQQ Trust
QQQ
|
+$111M |
| 3 |
NVIDIA
NVDA
|
+$77.7M |
| 4 |
Meta Platforms (Facebook)
META
|
+$60.9M |
| 5 |
Procter & Gamble
PG
|
+$38.8M |
Sector Composition
| 1 | Technology | 21.73% |
| 2 | Consumer Discretionary | 10.23% |
| 3 | Healthcare | 8.76% |
| 4 | Industrials | 7.59% |
| 5 | Communication Services | 6.56% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
1401
Invesco Pharmaceuticals ETF
PJP
$264M
| $30K | ﹤0.01% |
+395
| New | +$30K |
|
|
QVCGA
1402
QVC Group, Inc. Series A Common Stock
QVCGA
$92M
| $30K | ﹤0.01% |
622
-1,941
| -76% | -$93.6K |
|
|
APPH
1403
DELISTED
AppHarvest, Inc. Common Stock
APPH
| $30K | ﹤0.01% |
+49,767
| New | +$30K |
|
1404
Bruker
BRKR
$4.69B
| $29K | ﹤0.01% |
+379
| New | +$29K |
|
1405
Cracker Barrel
CBRL
$1.14B
| $29K | ﹤0.01% |
261
-3,926
| -94% | -$436K |
|
1406
8x8 Inc
EGHT
$286M
| $29K | ﹤0.01% |
+7,111
| New | +$29K |
|
1407
iShares Global Energy ETF
IXC
$1.84B
| $29K | ﹤0.01% |
779
+540
| +226% | +$20.1K |
|
1408
Kulicke & Soffa
KLIC
$2.01B
| $29K | ﹤0.01% |
566
-1,161
| -67% | -$59.5K |
|
1409
Kodiak Sciences
KOD
$489M
| $29K | ﹤0.01% |
+4,763
| New | +$29K |
|
1410
ODP
ODP
$624M
| $29K | ﹤0.01% |
658
+226
| +52% | +$9.96K |
|
1411
Qiagen
QGEN
$9.82B
| $29K | ﹤0.01% |
613
-19,065
| -97% | -$902K |
|
1412
Rush Street Interactive
RSI
$2.02B
| $29K | ﹤0.01% |
9,602
-29,662
| -76% | -$89.6K |
|
1413
SuRo Capital
SSSS
$221M
| $29K | ﹤0.01% |
8,105
+209
| +3% | +$748 |
|
1414
ProShares Ultra Euro
ULE
$7.26M
| $29K | ﹤0.01% |
+2,524
| New | +$29K |
|
|
NM
1415
DELISTED
Navios Maritime Holdings Inc.
NM
| $29K | ﹤0.01% |
16,299
+4,418
| +37% | +$7.86K |
|
|
CAJ
1416
DELISTED
Canon, Inc.
CAJ
| $29K | ﹤0.01% |
+1,339
| New | +$29K |
|
|
KNDI
1417
Kandi Technologies Group
KNDI
$112M
| $28K | ﹤0.01% |
+10,411
| New | +$28K |
|
1418
Sportradar
SRAD
$8.98B
| $28K | ﹤0.01% |
2,480
-22,508
| -90% | -$254K |
|
1419
Wallbox
WBX
$68.6M
| $28K | ﹤0.01% |
292
+107
| +58% | +$10.3K |
|
1420
Select Water Solutions
WTTR
$946M
| $28K | ﹤0.01% |
4,085
+6
| +0.1% | +$41 |
|
1421
Westwater Resources
WWR
$58.4M
| $28K | ﹤0.01% |
25,352
+165
| +0.7% | +$182 |
|
1422
X4 Pharmaceuticals
XFOR
$73.2M
| $28K | ﹤0.01% |
1,093
+482
| +79% | +$12.3K |
|
1423
American Coastal Insurance
ACIC
$538M
| $28K | ﹤0.01% |
9,945
+4,021
| +68% | +$11.3K |
|
1424
FirstCash
FCFS
$6.49B
| $28K | ﹤0.01% |
+300
| New | +$28K |
|
1425
Hexcel
HXL
$4.93B
| $28K | ﹤0.01% |
421
-838
| -67% | -$55.7K |
|