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 |
Amazon
AMZN
|
+$102M |
| 2 |
TSMC
TSM
|
+$29.6M |
| 3 |
JPMorgan Chase
JPM
|
+$21.9M |
| 4 |
Boeing
BA
|
+$18.8M |
| 5 |
Target
TGT
|
+$13.5M |
Top Sells
| 1 |
SPDR Gold Trust
GLD
|
+$94.2M |
| 2 |
Tesla
TSLA
|
+$91.2M |
| 3 |
Invesco QQQ Trust
QQQ
|
+$81.5M |
| 4 |
NVIDIA
NVDA
|
+$60M |
| 5 |
iShares MSCI EAFE ETF
EFA
|
+$40.5M |
Sector Composition
| 1 | Consumer Discretionary | 21.73% |
| 2 | Technology | 16.48% |
| 3 | Healthcare | 9.06% |
| 4 | Financials | 8.3% |
| 5 | Communication Services | 7.51% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
526
Kornit Digital
KRNT
$662M
| $497K | ﹤0.01% |
7,664
+1,860
| +32% | +$121K |
|
527
Zimmer Biomet
ZBH
$20.3B
| $496K | ﹤0.01% |
+3,756
| New | +$496K |
|
528
Carlyle Group
CG
$23.7B
| $495K | ﹤0.01% |
20,083
+12,021
| +149% | +$296K |
|
|
ARCH
529
DELISTED
Arch Resources, Inc.
ARCH
| $493K | ﹤0.01% |
11,616
-5,340
| -31% | -$227K |
|
530
Jack Henry & Associates
JKHY
$11.6B
| $489K | ﹤0.01% |
3,010
+1,703
| +130% | +$277K |
|
531
Impinj
PI
$5.53B
| $489K | ﹤0.01% |
18,578
+13,743
| +284% | +$362K |
|
|
BEAT
532
DELISTED
BioTelemetry, Inc.
BEAT
| $489K | ﹤0.01% |
+10,742
| New | +$489K |
|
533
Terex
TEX
$3.45B
| $488K | ﹤0.01% |
+25,207
| New | +$488K |
|
|
FLIR
534
DELISTED
FLIR Systems, Inc. (DE) Common Stock
FLIR
| $488K | ﹤0.01% |
13,635
-27,258
| -67% | -$976K |
|
535
Corbus Pharmaceuticals
CRBP
$118M
| $487K | ﹤0.01% |
9,034
+5,879
| +186% | +$317K |
|
536
Alphabet (Google) Class A
GOOGL
$2.89T
| $483K | ﹤0.01% |
6,600
-192,620
| -97% | -$14.1M |
|
537
NETGEAR
NTGR
$823M
| $482K | ﹤0.01% |
15,660
+13,163
| +527% | +$405K |
|
538
Maxeon Solar Technologies
MAXN
$66.7M
| $481K | ﹤0.01% |
+284
| New | +$481K |
|
539
Glaukos
GKOS
$5.02B
| $478K | ﹤0.01% |
9,661
+5,420
| +128% | +$268K |
|
540
Freshpet
FRPT
$2.61B
| $476K | ﹤0.01% |
4,270
+342
| +9% | +$38.1K |
|
541
Aurinia Pharmaceuticals
AUPH
$1.61B
| $475K | ﹤0.01% |
32,315
+3,548
| +12% | +$52.2K |
|
|
TUP
542
DELISTED
Tupperware Brands Corporation
TUP
| $475K | ﹤0.01% |
23,563
+8,069
| +52% | +$163K |
|
|
SWCH
543
DELISTED
Switch, Inc. Class A Common Stock
SWCH
| $475K | ﹤0.01% |
30,435
+22,489
| +283% | +$351K |
|
544
iShares MSCI Singapore ETF
EWS
$816M
| $473K | ﹤0.01% |
25,297
-8,169
| -24% | -$153K |
|
545
Elastic
ESTC
$9.56B
| $472K | ﹤0.01% |
+4,377
| New | +$472K |
|
546
Hewlett Packard
HPE
$32.2B
| $472K | ﹤0.01% |
50,437
+7,694
| +18% | +$72K |
|
547
Sally Beauty Holdings
SBH
$1.45B
| $472K | ﹤0.01% |
54,397
+18,823
| +53% | +$163K |
|
548
Ares Capital
ARCC
$15.8B
| $469K | ﹤0.01% |
33,627
-15,900
| -32% | -$222K |
|
549
Omeros
OMER
$291M
| $467K | ﹤0.01% |
46,234
+32,723
| +242% | +$331K |
|
550
ProShares UltraShort FTSE Europe
EPV
$16.1M
| $466K | ﹤0.01% |
4,143
+3,999
| +2,777% | +$450K |
|