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 | |
|---|---|---|---|---|---|---|
676
Crane Co
CR
$10.6B
| $461K | ﹤0.01% |
+3,038
| New | +$461K |
|
677
Delek US
DK
$1.91B
| $461K | ﹤0.01% |
+24,929
| New | +$461K |
|
678
HighPeak Energy
HPK
$927M
| $461K | ﹤0.01% |
31,364
+15,910
| +103% | +$234K |
|
|
ORC
679
Orchid Island Capital
ORC
$955M
| $461K | ﹤0.01% |
59,265
+5,830
| +11% | +$45.3K |
|
680
Ovintiv
OVV
$10.8B
| $461K | ﹤0.01% |
11,405
+18
| +0.2% | +$728 |
|
681
SPDR Bloomberg 1-3 Month T-Bill ETF
BIL
$41.8B
| $459K | ﹤0.01% |
5,028
+3,143
| +167% | +$287K |
|
682
SPDR S&P Insurance ETF
KIE
$816M
| $459K | ﹤0.01% |
+8,138
| New | +$459K |
|
683
Soleno Therapeutics
SLNO
$3.61B
| $459K | ﹤0.01% |
+10,216
| New | +$459K |
|
684
Aurinia Pharmaceuticals
AUPH
$1.63B
| $457K | ﹤0.01% |
50,995
-180,272
| -78% | -$1.62M |
|
685
Cipher Mining
CIFR
$4.03B
| $457K | ﹤0.01% |
98,508
-131,699
| -57% | -$611K |
|
686
Comfort Systems
FIX
$26.3B
| $457K | ﹤0.01% |
1,080
-480
| -31% | -$203K |
|
687
Corteva
CTVA
$49.4B
| $453K | ﹤0.01% |
+7,953
| New | +$453K |
|
688
Opendoor
OPEN
$4.57B
| $453K | ﹤0.01% |
283,178
-512,563
| -64% | -$820K |
|
689
Chemours
CC
$2.47B
| $450K | ﹤0.01% |
26,685
-13,596
| -34% | -$229K |
|
690
Invesco DB Commodity Index Tracking Fund
DBC
$1.28B
| $450K | ﹤0.01% |
21,055
-7,656
| -27% | -$164K |
|
|
MTTR
691
DELISTED
Matterport, Inc. Class A Common Stock
MTTR
| $448K | ﹤0.01% |
94,642
-1,291
| -1% | -$6.11K |
|
692
Procore
PCOR
$10.4B
| $447K | ﹤0.01% |
5,966
-8,359
| -58% | -$626K |
|
693
Comerica
CMA
$8.9B
| $446K | ﹤0.01% |
7,211
-1,091
| -13% | -$67.5K |
|
694
PACS Group
PACS
$1.21B
| $445K | ﹤0.01% |
33,951
+30,714
| +949% | +$403K |
|
695
ProShares Ether Strategy ETF
EETH
$115M
| $444K | ﹤0.01% |
6,777
+5,299
| +359% | +$347K |
|
696
Spirit AeroSystems
SPR
$4.77B
| $444K | ﹤0.01% |
+13,049
| New | +$444K |
|
697
Vuzix
VUZI
$180M
| $443K | ﹤0.01% |
+112,619
| New | +$443K |
|
698
Intuitive Machines
LUNR
$998M
| $442K | ﹤0.01% |
24,394
-352,881
| -94% | -$6.39M |
|
699
Rexford Industrial Realty
REXR
$10.1B
| $438K | ﹤0.01% |
11,348
+10,198
| +887% | +$394K |
|
700
Braze
BRZE
$3.42B
| $436K | ﹤0.01% |
10,411
-7,023
| -40% | -$294K |
|