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 |
NVIDIA
NVDA
|
+$114M |
| 2 |
Citigroup
C
|
+$77M |
| 3 |
Broadcom
AVGO
|
+$53M |
| 4 |
Pinduoduo
PDD
|
+$49.7M |
| 5 |
Intel
INTC
|
+$44.5M |
Top Sells
| 1 |
Energy Select Sector SPDR Fund
XLE
|
+$92.5M |
| 2 |
Pfizer
PFE
|
+$67.5M |
| 3 |
Boeing
BA
|
+$66.7M |
| 4 |
Direxion Daily Semiconductor Bull 3X Shares
SOXL
|
+$44.9M |
| 5 |
PayPal
PYPL
|
+$44.4M |
Sector Composition
| 1 | Technology | 27.91% |
| 2 | Consumer Discretionary | 14.92% |
| 3 | Healthcare | 10.74% |
| 4 | Financials | 10.11% |
| 5 | Materials | 6.23% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
951
Larimar Therapeutics
LRMR
$357M
| $178K | ﹤0.01% |
24,554
-36,346
| -60% | -$263K |
|
952
UroGen Pharma
URGN
$884M
| $178K | ﹤0.01% |
10,619
+7,814
| +279% | +$131K |
|
953
iShares MSCI USA Min Vol Factor ETF
USMV
$23.7B
| $178K | ﹤0.01% |
+2,123
| New | +$178K |
|
954
Equinor
EQNR
$61.1B
| $177K | ﹤0.01% |
+6,217
| New | +$177K |
|
955
Grocery Outlet
GO
$1.72B
| $176K | ﹤0.01% |
+7,983
| New | +$176K |
|
956
NovaGold Resources
NG
$2.84B
| $176K | ﹤0.01% |
50,900
-44,541
| -47% | -$154K |
|
957
Cemex
CX
$13.3B
| $175K | ﹤0.01% |
+27,428
| New | +$175K |
|
958
Coherus Oncology, Inc. Common Stock
CHRS
$152M
| $173K | ﹤0.01% |
100,247
+83,210
| +488% | +$144K |
|
959
RCI Hospitality Holdings
RICK
$295M
| $173K | ﹤0.01% |
3,976
-1,369
| -26% | -$59.6K |
|
960
Cognex
CGNX
$7.45B
| $172K | ﹤0.01% |
+3,679
| New | +$172K |
|
961
DocuSign
DOCU
$15.9B
| $172K | ﹤0.01% |
3,223
-677
| -17% | -$36.1K |
|
962
fuboTV
FUBO
$1.42B
| $172K | ﹤0.01% |
138,987
-357,782
| -72% | -$443K |
|
963
Atlas Lithium Corp
ATLX
$95.1M
| $170K | ﹤0.01% |
16,458
-2,664
| -14% | -$27.5K |
|
964
Cardlytics
CDLX
$61.2M
| $170K | ﹤0.01% |
20,783
-56,936
| -73% | -$466K |
|
965
VanEck Digital Transformation ETF
DAPP
$323M
| $170K | ﹤0.01% |
14,226
+3,506
| +33% | +$41.9K |
|
966
KLX Energy Services
KLXE
$34.1M
| $170K | ﹤0.01% |
34,452
+12,838
| +59% | +$63.3K |
|
967
Alphatec Holdings
ATEC
$2.27B
| $168K | ﹤0.01% |
16,115
+15,247
| +1,757% | +$159K |
|
968
Evercore
EVR
$13.3B
| $168K | ﹤0.01% |
+808
| New | +$168K |
|
969
Harmony Biosciences
HRMY
$1.91B
| $168K | ﹤0.01% |
+5,569
| New | +$168K |
|
|
MFA
970
MFA Financial
MFA
$1.05B
| $168K | ﹤0.01% |
15,824
+12,694
| +406% | +$135K |
|
971
Tradr 1.25X NVDA Bear Daily ETF
NVDS
$49M
| $167K | ﹤0.01% |
4,189
+3,370
| +411% | +$134K |
|
972
Algoma Steel
ASTL
$488M
| $166K | ﹤0.01% |
23,859
+18,337
| +332% | +$128K |
|
973
Portillo's
PTLO
$442M
| $166K | ﹤0.01% |
17,127
+13,808
| +416% | +$134K |
|
974
BioCryst Pharmaceuticals
BCRX
$1.68B
| $164K | ﹤0.01% |
26,565
+9,470
| +55% | +$58.5K |
|
975
Methanex
MEOH
$2.98B
| $164K | ﹤0.01% |
3,400
-2,889
| -46% | -$139K |
|