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 |
Alibaba
BABA
|
+$117M |
| 2 |
Alphabet (Google) Class A
GOOGL
|
+$97.6M |
| 3 |
Walt Disney
DIS
|
+$73.4M |
| 4 |
Citigroup
C
|
+$45.8M |
| 5 |
KraneShares CSI China Internet ETF
KWEB
|
+$41.5M |
Top Sells
| 1 |
iShares 20+ Year Treasury Bond ETF
TLT
|
+$149M |
| 2 |
Amazon
AMZN
|
+$107M |
| 3 |
SPDR Gold Trust
GLD
|
+$58.6M |
| 4 |
Coinbase
COIN
|
+$56.5M |
| 5 |
NVIDIA
NVDA
|
+$48.2M |
Sector Composition
| 1 | Technology | 16.06% |
| 2 | Consumer Discretionary | 14.45% |
| 3 | Communication Services | 10.03% |
| 4 | Financials | 9.44% |
| 5 | Healthcare | 9.18% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
|
HYZN
1676
DELISTED
Hyzon Motors Inc. Class A Common Stock
HYZN
| $19K | ﹤0.01% |
430
+270
| +169% | +$11.9K |
|
1677
Blackbaud
BLKB
$3.31B
| $18K | ﹤0.01% |
217
-141
| -39% | -$11.7K |
|
1678
Digi International
DGII
$1.39B
| $18K | ﹤0.01% |
+710
| New | +$18K |
|
1679
US Global Investors
GROW
$33.8M
| $18K | ﹤0.01% |
+6,611
| New | +$18K |
|
1680
GSI Technology
GSIT
$103M
| $18K | ﹤0.01% |
7,106
-6,552
| -48% | -$16.6K |
|
1681
iShares US Oil Equipment & Services ETF
IEZ
$112M
| $18K | ﹤0.01% |
836
-1,336
| -62% | -$28.8K |
|
1682
Karyopharm Therapeutics
KPTI
$51.2M
| $18K | ﹤0.01% |
1,400
-34
| -2% | -$437 |
|
1683
Kaixin Holdings
KXIN
$8.43M
| $18K | ﹤0.01% |
359
+348
| +3,164% | +$17.4K |
|
|
OLP
1684
One Liberty Properties
OLP
$496M
| $18K | ﹤0.01% |
826
-3
| -0.4% | -$65 |
|
1685
Quanterix
QTRX
$255M
| $18K | ﹤0.01% |
681
-5,182
| -88% | -$137K |
|
1686
Dr. Reddy's Laboratories
RDY
$12.3B
| $18K | ﹤0.01% |
1,340
-350
| -21% | -$4.7K |
|
1687
Sight Sciences
SGHT
$185M
| $18K | ﹤0.01% |
+3,636
| New | +$18K |
|
1688
Townsquare Media
TSQ
$112M
| $18K | ﹤0.01% |
+1,768
| New | +$18K |
|
1689
Travelzoo
TZOO
$112M
| $18K | ﹤0.01% |
1,958
+1,064
| +119% | +$9.78K |
|
1690
Vir Biotechnology
VIR
$696M
| $18K | ﹤0.01% |
+1,794
| New | +$18K |
|
1691
Vanguard Tax-Exempt Bond Index Fund
VTEB
$39.5B
| $18K | ﹤0.01% |
355
-628
| -64% | -$31.8K |
|
|
AIOT
1692
PowerFleet, Inc. Common Stock
AIOT
$718M
| $18K | ﹤0.01% |
+5,469
| New | +$18K |
|
|
JOAN
1693
DELISTED
JOANN, Inc. Common Stock
JOAN
| $18K | ﹤0.01% |
40,481
-12,959
| -24% | -$5.76K |
|
1694
Community Trust Bancorp
CTBI
$1.03B
| $17K | ﹤0.01% |
+408
| New | +$17K |
|
1695
Cushman & Wakefield
CWK
$3.91B
| $17K | ﹤0.01% |
+1,615
| New | +$17K |
|
1696
Graco
GGG
$14B
| $17K | ﹤0.01% |
203
-336
| -62% | -$28.1K |
|
1697
Inotiv
NOTV
$45.7M
| $17K | ﹤0.01% |
4,795
-18,756
| -80% | -$66.5K |
|
1698
Origin Materials
ORGN
$79.7M
| $17K | ﹤0.01% |
20,753
-38,191
| -65% | -$31.3K |
|
1699
Scansource
SCSC
$975M
| $17K | ﹤0.01% |
436
+14
| +3% | +$546 |
|
1700
Sonder
SOND
$27M
| $17K | ﹤0.01% |
5,225
+4,014
| +331% | +$13.1K |
|