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 | |
|---|---|---|---|---|---|---|
1151
Global X US Infrastructure Development ETF
PAVE
$9.5B
| $104K | ﹤0.01% |
+2,592
| New | +$104K |
|
1152
QuickLogic
QUIK
$91.3M
| $104K | ﹤0.01% |
9,242
+7,978
| +631% | +$89.8K |
|
1153
Trinseo
TSE
$87.4M
| $104K | ﹤0.01% |
20,516
+2,995
| +17% | +$15.2K |
|
1154
Voya Financial
VOYA
$7.36B
| $104K | ﹤0.01% |
1,521
-15,256
| -91% | -$1.04M |
|
|
CURB
1155
Curbline Properties Corp.
CURB
$2.39B
| $104K | ﹤0.01% |
+4,497
| New | +$104K |
|
1156
First Trust RBA American Industrial Renaissance ETF
AIRR
$5.33B
| $103K | ﹤0.01% |
+1,345
| New | +$103K |
|
1157
Modine Manufacturing
MOD
$7.91B
| $103K | ﹤0.01% |
+897
| New | +$103K |
|
1158
Olo Inc
OLO
$1.74B
| $103K | ﹤0.01% |
13,511
+13,083
| +3,057% | +$99.7K |
|
1159
Tecnoglass
TGLS
$3.45B
| $103K | ﹤0.01% |
+1,299
| New | +$103K |
|
1160
TrueCar
TRUE
$204M
| $103K | ﹤0.01% |
27,839
+27,634
| +13,480% | +$102K |
|
1161
United Microelectronic
UMC
$17B
| $103K | ﹤0.01% |
15,871
-36,582
| -70% | -$237K |
|
1162
Real Brokerage
REAX
$1.07B
| $102K | ﹤0.01% |
22,354
-19,978
| -47% | -$91.2K |
|
1163
ProShares Short 20+ Year Treasury ETF
TBF
$68.9M
| $102K | ﹤0.01% |
+4,160
| New | +$102K |
|
1164
Trevi Therapeutics
TRVI
$1.18B
| $102K | ﹤0.01% |
24,913
+15,272
| +158% | +$62.5K |
|
1165
Loar Holdings
LOAR
$7.6B
| $102K | ﹤0.01% |
+1,389
| New | +$102K |
|
1166
Pacer US Small Cap Cash Cows 100 ETF
CALF
$4.14B
| $101K | ﹤0.01% |
2,297
-3,181
| -58% | -$140K |
|
1167
GrowGeneration
GRWG
$93.8M
| $101K | ﹤0.01% |
59,791
-8,681
| -13% | -$14.7K |
|
|
QVCGA
1168
QVC Group, Inc. Series A Common Stock
QVCGA
$85M
| $101K | ﹤0.01% |
6,148
+6,029
| +5,066% | +$99K |
|
1169
Meritage Homes
MTH
$5.74B
| $100K | ﹤0.01% |
1,310
-2,596
| -66% | -$198K |
|
1170
Sprout Social
SPT
$838M
| $100K | ﹤0.01% |
3,258
-12,492
| -79% | -$383K |
|
1171
Amicus Therapeutics
FOLD
$2.45B
| $100K | ﹤0.01% |
10,657
-9,593
| -47% | -$90K |
|
1172
Information Services Group
III
$251M
| $99K | ﹤0.01% |
+29,662
| New | +$99K |
|
1173
Simpson Manufacturing
SSD
$8.09B
| $99K | ﹤0.01% |
601
-1,862
| -76% | -$307K |
|
1174
Tucows
TCX
$204M
| $99K | ﹤0.01% |
5,819
-10,423
| -64% | -$177K |
|
1175
Atmos Energy
ATO
$26.5B
| $97K | ﹤0.01% |
+697
| New | +$97K |
|