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 | |
|---|---|---|---|---|---|---|
|
LHDX
1601
DELISTED
Lucira Health, Inc. Common Stock
LHDX
| $17K | ﹤0.01% |
74,764
+73,665
| +6,703% | +$16.8K |
|
1602
Adicet Bio
ACET
$67.5M
| $16K | ﹤0.01% |
+2,911
| New | +$16K |
|
1603
Amplitude
AMPL
$1.47B
| $16K | ﹤0.01% |
+1,348
| New | +$16K |
|
1604
American Well
AMWL
$107M
| $16K | ﹤0.01% |
352
-815
| -70% | -$37K |
|
1605
Cheniere Energy
CQP
$25.2B
| $16K | ﹤0.01% |
357
-861
| -71% | -$38.6K |
|
1606
Eventbrite
EB
$262M
| $16K | ﹤0.01% |
+1,908
| New | +$16K |
|
1607
Galectin Therapeutics
GALT
$344M
| $16K | ﹤0.01% |
7,997
-11,726
| -59% | -$23.5K |
|
1608
iShares 1-3 Year International Treasury Bond ETF
IGOV
$1.12B
| $16K | ﹤0.01% |
403
-1,043
| -72% | -$41.4K |
|
1609
Inogen
INGN
$231M
| $16K | ﹤0.01% |
1,341
+774
| +137% | +$9.24K |
|
1610
D-Wave Quantum
QBTS
$6.07B
| $16K | ﹤0.01% |
24,511
+24,510
| +2,451,000% | +$16K |
|
1611
REV Group
REVG
$3.02B
| $16K | ﹤0.01% |
+1,400
| New | +$16K |
|
1612
Rockwell Medical
RMTI
$55.8M
| $16K | ﹤0.01% |
9,333
-1,185
| -11% | -$2.03K |
|
1613
SPDR Portfolio Short Term Treasury ETF
SPTS
$5.92B
| $16K | ﹤0.01% |
550
+350
| +175% | +$10.2K |
|
1614
Telecom Argentina
TEO
$3.07B
| $16K | ﹤0.01% |
+3,312
| New | +$16K |
|
1615
Universal Insurance Holdings
UVE
$719M
| $16K | ﹤0.01% |
+922
| New | +$16K |
|
1616
Xometry
XMTR
$2.59B
| $16K | ﹤0.01% |
+1,108
| New | +$16K |
|
|
NSTB
1617
DELISTED
Northern Star Investment Corp. II
NSTB
| $16K | ﹤0.01% |
1,661
+1,660
| +166,000% | +$16K |
|
|
ZEV
1618
DELISTED
Lightning eMotors, Inc.
ZEV
| $16K | ﹤0.01% |
+2,962
| New | +$16K |
|
1619
Beyond Meat
BYND
$205M
| $15K | ﹤0.01% |
950
-30,118
| -97% | -$476K |
|
1620
VictoryShares US EQ Income Enhanced Volatility Wtd ETF
CDC
$736M
| $15K | ﹤0.01% |
256
-324
| -56% | -$19K |
|
1621
ChargePoint
CHPT
$242M
| $15K | ﹤0.01% |
75
| – | – |
|
1622
Encore Capital Group
ECPG
$1.02B
| $15K | ﹤0.01% |
+312
| New | +$15K |
|
1623
Gaia
GAIA
$152M
| $15K | ﹤0.01% |
+5,759
| New | +$15K |
|
1624
Integral Ad Science
IAS
$1.4B
| $15K | ﹤0.01% |
1,103
+445
| +68% | +$6.05K |
|
|
INN
1625
Summit Hotel Properties
INN
$623M
| $15K | ﹤0.01% |
2,199
-15,860
| -88% | -$108K |
|