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
|
+$586M |
| 2 |
Strategy Inc Common Stock Class A
MSTR
|
+$82.5M |
| 3 |
Intel
INTC
|
+$40.4M |
| 4 |
Invesco QQQ Trust
QQQ
|
+$39.4M |
| 5 |
Uber
UBER
|
+$36.3M |
Top Sells
| 1 |
NVIDIA
NVDA
|
+$130M |
| 2 |
Pinduoduo
PDD
|
+$95.7M |
| 3 |
Boeing
BA
|
+$56.2M |
| 4 |
KraneShares CSI China Internet ETF
KWEB
|
+$40.7M |
| 5 |
Microsoft
MSFT
|
+$40.5M |
Sector Composition
| 1 | Technology | 34.29% |
| 2 | Consumer Discretionary | 11.38% |
| 3 | Healthcare | 9.65% |
| 4 | Financials | 6.33% |
| 5 | Communication Services | 5.52% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
1426
Schwab International Dividend Equity ETF
SCHY
$1.33B
| $47K | ﹤0.01% |
2,036
+1,980
| +3,536% | +$45.7K |
|
1427
Sera Prognostics
SERA
$117M
| $47K | ﹤0.01% |
5,787
+5,705
| +6,957% | +$46.3K |
|
1428
Simply Good Foods
SMPL
$2.78B
| $47K | ﹤0.01% |
1,210
-3,359
| -74% | -$130K |
|
|
TRVG
1429
trivago
TRVG
$230M
| $47K | ﹤0.01% |
+21,874
| New | +$47K |
|
1430
Vishay Intertechnology
VSH
$2.07B
| $47K | ﹤0.01% |
2,813
+825
| +41% | +$13.8K |
|
1431
VirTra
VTSI
$62.8M
| $47K | ﹤0.01% |
7,014
-6,406
| -48% | -$42.9K |
|
|
ZH
1432
Zhihu
ZH
$450M
| $47K | ﹤0.01% |
13,422
+12,701
| +1,762% | +$44.5K |
|
1433
ProShares UltraShort Bitcoin ETF
SBIT
$67.1M
| $47K | ﹤0.01% |
+801
| New | +$47K |
|
|
ATYR
1434
aTyr Pharma
ATYR
$515M
| $47K | ﹤0.01% |
13,161
+12,371
| +1,566% | +$44.2K |
|
|
AEVA
1435
Aeva Technologies
AEVA
$893M
| $46K | ﹤0.01% |
+9,708
| New | +$46K |
|
1436
ClearPoint Neuro
CLPT
$299M
| $46K | ﹤0.01% |
3,017
-7,926
| -72% | -$121K |
|
1437
First Trust Natural Gas ETF
FCG
$332M
| $46K | ﹤0.01% |
1,906
+1,806
| +1,806% | +$43.6K |
|
1438
Harmonic Inc
HLIT
$1.15B
| $46K | ﹤0.01% |
3,481
-11,870
| -77% | -$157K |
|
|
ITOS
1439
DELISTED
iTeos Therapeutics
ITOS
| $46K | ﹤0.01% |
+6,070
| New | +$46K |
|
1440
Potbelly
PBPB
$514M
| $46K | ﹤0.01% |
4,986
+4,761
| +2,116% | +$43.9K |
|
1441
Smith Micro Software
SMSI
$15.3M
| $46K | ﹤0.01% |
35,482
+33,304
| +1,529% | +$43.2K |
|
1442
E.W. Scripps
SSP
$246M
| $46K | ﹤0.01% |
21,075
+10,497
| +99% | +$22.9K |
|
|
VXRT
1443
DELISTED
Vaxart
VXRT
| $46K | ﹤0.01% |
70,357
+22,115
| +46% | +$14.5K |
|
1444
Worksport
WKSP
$22.3M
| $46K | ﹤0.01% |
5,103
+4,962
| +3,519% | +$44.7K |
|
1445
Bitwise Ethereum Strategy
AETH
$10.4M
| $45K | ﹤0.01% |
1,240
+1,172
| +1,724% | +$42.5K |
|
1446
Chemed
CHE
$6.67B
| $45K | ﹤0.01% |
86
+62
| +258% | +$32.4K |
|
1447
Commercial Vehicle Group
CVGI
$70.3M
| $45K | ﹤0.01% |
+18,165
| New | +$45K |
|
1448
LiveWire
LVWR
$927M
| $45K | ﹤0.01% |
9,464
+5,760
| +156% | +$27.4K |
|
1449
FiscalNote
NOTE
$73M
| $45K | ﹤0.01% |
+3,571
| New | +$45K |
|
1450
Verint Systems
VRNT
$1.23B
| $45K | ﹤0.01% |
+1,672
| New | +$45K |
|