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 | |
|---|---|---|---|---|---|---|
1051
Inotiv
NOTV
$49.5M
| $86K | ﹤0.01% |
20,022
-45,943
| -70% | -$197K |
|
1052
Senseonics Holdings
SENS
$371M
| $86K | ﹤0.01% |
121,751
+31,614
| +35% | +$22.3K |
|
1053
UFP Industries
UFPI
$6B
| $86K | ﹤0.01% |
1,090
+99
| +10% | +$7.81K |
|
1054
AbCellera Biologics
ABCL
$1.38B
| $85K | ﹤0.01% |
11,347
-89,144
| -89% | -$668K |
|
1055
Day One Biopharmaceuticals
DAWN
$755M
| $85K | ﹤0.01% |
+6,413
| New | +$85K |
|
1056
Hubbell
HUBB
$24B
| $85K | ﹤0.01% |
353
+185
| +110% | +$44.5K |
|
1057
Immunic
IMUX
$84.1M
| $85K | ﹤0.01% |
57,578
+15,572
| +37% | +$23K |
|
1058
Kennedy-Wilson Holdings
KW
$1.25B
| $85K | ﹤0.01% |
+5,131
| New | +$85K |
|
1059
Interface
TILE
$1.67B
| $85K | ﹤0.01% |
10,587
+2,161
| +26% | +$17.4K |
|
1060
Vital Farms
VITL
$2.17B
| $85K | ﹤0.01% |
5,573
+4,269
| +327% | +$65.1K |
|
|
DCFC
1061
DELISTED
Tritium DCFC Limited Ordinary Shares
DCFC
| $85K | ﹤0.01% |
332
-41
| -11% | -$10.5K |
|
1062
CorMedix
CRMD
$977M
| $84K | ﹤0.01% |
20,295
+4,797
| +31% | +$19.9K |
|
1063
Clean Energy Fuels
CLNE
$555M
| $83K | ﹤0.01% |
+19,185
| New | +$83K |
|
1064
Hagerty
HGTY
$1.24B
| $83K | ﹤0.01% |
9,595
+9,557
| +25,150% | +$82.7K |
|
1065
Merit Medical Systems
MMSI
$5.34B
| $83K | ﹤0.01% |
+1,128
| New | +$83K |
|
|
OPI
1066
Office Properties Income Trust
OPI
$22.8M
| $83K | ﹤0.01% |
+6,820
| New | +$83K |
|
1067
United Bankshares
UBSI
$5.4B
| $83K | ﹤0.01% |
+2,385
| New | +$83K |
|
1068
Vanguard Intermediate-Term Treasury ETF
VGIT
$32.5B
| $83K | ﹤0.01% |
1,396
+1,055
| +309% | +$62.7K |
|
1069
Build-A-Bear
BBW
$985M
| $82K | ﹤0.01% |
+3,561
| New | +$82K |
|
1070
Cytosorbents Corp
CTSO
$59.8M
| $82K | ﹤0.01% |
24,548
+23,669
| +2,693% | +$79.1K |
|
|
DOYU
1071
DouYu International Holdings
DOYU
$242M
| $82K | ﹤0.01% |
6,931
+3,046
| +78% | +$36K |
|
1072
Graco
GGG
$14.3B
| $82K | ﹤0.01% |
1,130
+1,081
| +2,206% | +$78.4K |
|
|
GPMT
1073
Granite Point Mortgage Trust
GPMT
$143M
| $82K | ﹤0.01% |
16,693
-2,494
| -13% | -$12.3K |
|
1074
Wrap Technologies
WRAP
$97.1M
| $82K | ﹤0.01% |
47,925
-16,044
| -25% | -$27.5K |
|
1075
Wave Life Sciences
WVE
$1.14B
| $82K | ﹤0.01% |
19,102
+18,477
| +2,956% | +$79.3K |
|