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 |
Invesco QQQ Trust
QQQ
|
+$85.4M |
| 2 |
SPDR Gold Trust
GLD
|
+$75.9M |
| 3 |
NVIDIA
NVDA
|
+$42.6M |
| 4 |
Netflix
NFLX
|
+$41.1M |
| 5 |
iShares MSCI EAFE ETF
EFA
|
+$40.5M |
Top Sells
| 1 |
Apple
AAPL
|
+$65.7M |
| 2 |
iPath Series B S&P 500 VIX Short-Term Futures ETN
VXX
|
+$25.5M |
| 3 |
SPDR S&P 500 ETF Trust
SPY
|
+$24.4M |
| 4 |
SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$24.3M |
| 5 |
Broadcom
AVGO
|
+$21.3M |
Sector Composition
| 1 | Technology | 15.2% |
| 2 | Consumer Discretionary | 14.52% |
| 3 | Communication Services | 10.57% |
| 4 | Healthcare | 8.15% |
| 5 | Financials | 7.15% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
|
LORL
701
DELISTED
Loral Space and Communications, Inc.
LORL
| $238K | ﹤0.01% |
12,198
+12,149
| +24,794% | +$237K |
|
|
LM
702
DELISTED
Legg Mason, Inc.
LM
| $238K | ﹤0.01% |
4,800
-5,889
| -55% | -$292K |
|
703
Alcon
ALC
$39B
| $236K | ﹤0.01% |
4,134
-5,443
| -57% | -$311K |
|
704
Azenta
AZTA
$1.35B
| $236K | ﹤0.01% |
5,338
+1,649
| +45% | +$72.9K |
|
705
Marcus Corp
MCS
$498M
| $236K | ﹤0.01% |
17,820
-20,934
| -54% | -$277K |
|
|
IPHI
706
DELISTED
INPHI CORPORATION
IPHI
| $236K | ﹤0.01% |
2,011
-140
| -7% | -$16.4K |
|
707
Consolidated Edison
ED
$34.9B
| $235K | ﹤0.01% |
3,269
-3,459
| -51% | -$249K |
|
708
Sinclair Inc
SBGI
$970M
| $235K | ﹤0.01% |
12,731
+10,122
| +388% | +$187K |
|
709
ADT
ADT
$7.07B
| $234K | ﹤0.01% |
29,365
+15,147
| +107% | +$121K |
|
|
JMIA
710
Jumia Technologies
JMIA
$1.19B
| $234K | ﹤0.01% |
+42,780
| New | +$234K |
|
711
Vanguard Long-Term Corporate Bond ETF
VCLT
$6.88B
| $232K | ﹤0.01% |
2,190
-482
| -18% | -$51.1K |
|
712
ProShares Ultra Dow30
DDM
$445M
| $231K | ﹤0.01% |
+5,745
| New | +$231K |
|
|
MRO
713
DELISTED
Marathon Oil Corporation
MRO
| $231K | ﹤0.01% |
37,832
-73,616
| -66% | -$449K |
|
714
Air Lease Corp
AL
$7.12B
| $228K | ﹤0.01% |
7,815
+4,455
| +133% | +$130K |
|
715
American Axle
AXL
$723M
| $228K | ﹤0.01% |
30,112
+22,363
| +289% | +$169K |
|
716
CF Industries
CF
$13.7B
| $228K | ﹤0.01% |
8,104
-60,300
| -88% | -$1.7M |
|
717
Houlihan Lokey
HLI
$14B
| $227K | ﹤0.01% |
4,094
+3,709
| +963% | +$206K |
|
718
Raymond James Financial
RJF
$33.1B
| $226K | ﹤0.01% |
4,940
-13,138
| -73% | -$601K |
|
|
TVRD
719
Tvardi Therapeutics, Inc. Common Stock
TVRD
$278M
| $226K | ﹤0.01% |
367
+134
| +58% | +$82.5K |
|
|
PDCO
720
DELISTED
Patterson Companies, Inc.
PDCO
| $226K | ﹤0.01% |
+10,278
| New | +$226K |
|
|
PRSP
721
DELISTED
Perspecta Inc. Common Stock
PRSP
| $226K | ﹤0.01% |
9,754
+8,407
| +624% | +$195K |
|
|
QD
722
Qudian
QD
$692M
| $225K | ﹤0.01% |
+132,522
| New | +$225K |
|
723
Carlyle Group
CG
$23.2B
| $224K | ﹤0.01% |
8,062
+1,272
| +19% | +$35.3K |
|
|
RDHL
724
Redhill Biopharma
RDHL
$3.31M
| $224K | ﹤0.01% |
34
+4
| +13% | +$26.4K |
|
725
Cincinnati Financial
CINF
$24B
| $223K | ﹤0.01% |
+3,496
| New | +$223K |
|