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 |
SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$32.1M |
| 2 |
PARA
Paramount Global Class B
PARA
|
+$23.3M |
| 3 |
Pinduoduo
PDD
|
+$17.3M |
| 4 |
Pfizer
PFE
|
+$16.8M |
| 5 |
American Airlines Group
AAL
|
+$14.5M |
Top Sells
| 1 |
Amazon
AMZN
|
+$64.4M |
| 2 |
Alphabet (Google) Class C
GOOG
|
+$38.1M |
| 3 |
AutoZone
AZO
|
+$32.2M |
| 4 |
SPDR S&P 500 ETF Trust
SPY
|
+$25.3M |
| 5 |
Apple
AAPL
|
+$22.5M |
Sector Composition
| 1 | Technology | 20.25% |
| 2 | Consumer Discretionary | 15.22% |
| 3 | Healthcare | 10.03% |
| 4 | Financials | 9.2% |
| 5 | Industrials | 9.11% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
1501
G-III Apparel Group
GIII
$1.15B
| $84K | ﹤0.01% |
2,788
+1,831
| +191% | +$55.2K |
|
1502
PAVmed
PAVM
$8.87M
| $84K | ﹤0.01% |
+1,266
| New | +$84K |
|
|
VBIV
1503
DELISTED
VBI Vaccines, Inc. New Common Stock (Canada)
VBIV
| $84K | ﹤0.01% |
910
-867
| -49% | -$80K |
|
1504
Brunswick
BC
$4.24B
| $83K | ﹤0.01% |
874
-2,554
| -75% | -$243K |
|
1505
Codexis
CDXS
$212M
| $83K | ﹤0.01% |
3,639
+3,267
| +878% | +$74.5K |
|
1506
SPX Corp
SPXC
$9.14B
| $83K | ﹤0.01% |
1,436
-2,589
| -64% | -$150K |
|
|
CLVR
1507
DELISTED
Clever Leaves Holdings Inc. Common Shares
CLVR
| $83K | ﹤0.01% |
270
-738
| -73% | -$227K |
|
1508
Box
BOX
$4.74B
| $82K | ﹤0.01% |
3,611
-14,146
| -80% | -$321K |
|
1509
iShares MSCI Malaysia ETF
EWM
$249M
| $82K | ﹤0.01% |
+3,056
| New | +$82K |
|
1510
Moelis & Co
MC
$5.6B
| $82K | ﹤0.01% |
1,508
+1,202
| +393% | +$65.4K |
|
1511
Schwab US TIPS ETF
SCHP
$14.3B
| $82K | ﹤0.01% |
2,692
-1,224
| -31% | -$37.3K |
|
1512
SPS Commerce
SPSC
$4.06B
| $82K | ﹤0.01% |
833
+264
| +46% | +$26K |
|
|
FRG
1513
DELISTED
Franchise Group, Inc.
FRG
| $82K | ﹤0.01% |
+2,281
| New | +$82K |
|
|
HIBB
1514
DELISTED
Hibbett, Inc. Common Stock
HIBB
| $82K | ﹤0.01% |
1,203
-17,159
| -93% | -$1.17M |
|
1515
EVgo
EVGO
$603M
| $81K | ﹤0.01% |
+5,973
| New | +$81K |
|
1516
iShares MSCI Spain ETF
EWP
$1.39B
| $81K | ﹤0.01% |
2,977
-5,496
| -65% | -$150K |
|
1517
IDT Corp
IDT
$1.68B
| $81K | ﹤0.01% |
+3,609
| New | +$81K |
|
|
CAMP
1518
DELISTED
CalAmp Corp.
CAMP
| $81K | ﹤0.01% |
326
+175
| +116% | +$43.5K |
|
|
SJR
1519
DELISTED
Shaw Communications Inc.
SJR
| $81K | ﹤0.01% |
3,117
+2,847
| +1,054% | +$74K |
|
|
HYRE
1520
DELISTED
HyreCar Inc. Common Stock
HYRE
| $81K | ﹤0.01% |
8,323
+5,652
| +212% | +$55K |
|
|
DRRX
1521
DELISTED
DURECT Corp
DRRX
| $80K | ﹤0.01% |
4,071
+1,962
| +93% | +$38.6K |
|
1522
Global X NASDAQ-100 Covered Call ETF
QYLD
$8.25B
| $80K | ﹤0.01% |
+3,567
| New | +$80K |
|
|
Y
1523
DELISTED
Alleghany Corporation
Y
| $80K | ﹤0.01% |
+129
| New | +$80K |
|
|
LGMK
1524
DELISTED
LogicMark
LGMK
| $78K | ﹤0.01% |
11
+2
| +22% | +$14.2K |
|
1525
Mitsubishi UFJ Financial
MUFG
$178B
| $78K | ﹤0.01% |
14,582
+8,492
| +139% | +$45.4K |
|