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 | |
|---|---|---|---|---|---|---|
1601
Kenon Holdings
KEN
$2.43B
| $21K | ﹤0.01% |
864
+497
| +135% | +$12.1K |
|
1602
LiveWire
LVWR
$986M
| $21K | ﹤0.01% |
+2,860
| New | +$21K |
|
|
OGI
1603
Organigram Holdings
OGI
$222M
| $21K | ﹤0.01% |
13,775
-25,276
| -65% | -$38.5K |
|
1604
OPAL Fuels
OPAL
$61.5M
| $21K | ﹤0.01% |
5,154
+1,482
| +40% | +$6.04K |
|
1605
Quest Resource Holding
QRHC
$34M
| $21K | ﹤0.01% |
+2,426
| New | +$21K |
|
1606
Verastem
VSTM
$598M
| $21K | ﹤0.01% |
7,050
+6,761
| +2,339% | +$20.1K |
|
|
SMC
1607
Summit Midstream Corporation
SMC
$286M
| $21K | ﹤0.01% |
601
-3,771
| -86% | -$132K |
|
1608
Bionano Genomics
BNGO
$18.2M
| $20K | ﹤0.01% |
492
+265
| +117% | +$10.8K |
|
1609
Compañía de Minas Buenaventura
BVN
$5.1B
| $20K | ﹤0.01% |
1,228
-906
| -42% | -$14.8K |
|
1610
Cellectar Biosciences
CLRB
$16.2M
| $20K | ﹤0.01% |
273
+150
| +122% | +$11K |
|
1611
ProShares UltraShort Dow 30
DXD
$52.3M
| $20K | ﹤0.01% |
643
-1,948
| -75% | -$60.6K |
|
1612
iShares MSCI Pacific ex Japan ETF
EPP
$1.85B
| $20K | ﹤0.01% |
+485
| New | +$20K |
|
1613
Haemonetics
HAE
$2.51B
| $20K | ﹤0.01% |
+251
| New | +$20K |
|
1614
HEICO Class A
HEI.A
$34.9B
| $20K | ﹤0.01% |
+116
| New | +$20K |
|
|
JFIN
1615
Jiayin Group
JFIN
$588M
| $20K | ﹤0.01% |
+3,319
| New | +$20K |
|
1616
MeiraGTx Holdings
MGTX
$612M
| $20K | ﹤0.01% |
4,756
+1,435
| +43% | +$6.03K |
|
|
MODV
1617
DELISTED
ModivCare
MODV
| $20K | ﹤0.01% |
764
-6,140
| -89% | -$161K |
|
|
NEWP
1618
New Pacific Metals
NEWP
$374M
| $20K | ﹤0.01% |
13,370
+11,070
| +481% | +$16.6K |
|
1619
Newmark Group
NMRK
$3.41B
| $20K | ﹤0.01% |
2,046
-3,713
| -64% | -$36.3K |
|
1620
Nuvation Bio
NUVB
$1.07B
| $20K | ﹤0.01% |
+7,056
| New | +$20K |
|
1621
Invesco BuyBack Achievers ETF
PKW
$1.48B
| $20K | ﹤0.01% |
+199
| New | +$20K |
|
1622
ProShares Trust UltraShort Lehman 7-10 Year Treasury
PST
$13.2M
| $20K | ﹤0.01% |
844
+800
| +1,818% | +$19K |
|
1623
Terex
TEX
$3.46B
| $20K | ﹤0.01% |
+377
| New | +$20K |
|
1624
Zebra Technologies
ZBRA
$15.9B
| $20K | ﹤0.01% |
+66
| New | +$20K |
|
1625
QuickLogic
QUIK
$92.3M
| $19K | ﹤0.01% |
1,894
-12,997
| -87% | -$130K |
|