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
|
+$45.7M |
| 2 |
Walmart
WMT
|
+$45.2M |
| 3 |
VanEck Oil Services ETF
OIH
|
+$34.2M |
| 4 |
iShares 20+ Year Treasury Bond ETF
TLT
|
+$33.2M |
| 5 |
Citigroup
C
|
+$32.7M |
Top Sells
| 1 |
Amazon
AMZN
|
+$164M |
| 2 |
Invesco QQQ Trust
QQQ
|
+$111M |
| 3 |
NVIDIA
NVDA
|
+$77.7M |
| 4 |
Meta Platforms (Facebook)
META
|
+$60.9M |
| 5 |
Procter & Gamble
PG
|
+$38.8M |
Sector Composition
| 1 | Technology | 21.73% |
| 2 | Consumer Discretionary | 10.23% |
| 3 | Healthcare | 8.76% |
| 4 | Industrials | 7.59% |
| 5 | Communication Services | 6.56% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
1026
iShares MSCI Hong Kong ETF
EWH
$741M
| $93K | ﹤0.01% |
4,566
-7,703
| -63% | -$157K |
|
|
SA
1027
Seabridge Gold
SA
$1.91B
| $93K | ﹤0.01% |
7,224
+3,159
| +78% | +$40.7K |
|
1028
Genius Sports
GENI
$3.01B
| $92K | ﹤0.01% |
18,666
-66,871
| -78% | -$330K |
|
1029
O-I Glass
OI
$2.04B
| $92K | ﹤0.01% |
4,082
+3,696
| +958% | +$83.3K |
|
1030
Pilgrim's Pride
PPC
$10.5B
| $92K | ﹤0.01% |
3,979
-9,479
| -70% | -$219K |
|
1031
Vanguard Total International Stock ETF
VXUS
$105B
| $92K | ﹤0.01% |
1,673
-927
| -36% | -$51K |
|
|
CSII
1032
DELISTED
Cardiovascular Systems, Inc.
CSII
| $92K | ﹤0.01% |
4,639
+4,160
| +868% | +$82.5K |
|
1033
Kodak
KODK
$485M
| $91K | ﹤0.01% |
+22,338
| New | +$91K |
|
1034
Viatris
VTRS
$11.8B
| $91K | ﹤0.01% |
9,476
-243,666
| -96% | -$2.34M |
|
|
STER
1035
DELISTED
Sterling Check Corp. Common Stock
STER
| $91K | ﹤0.01% |
8,208
-1,532
| -16% | -$17K |
|
1036
ProShares Short Bitcoin Strategy ETF
BITI
$74M
| $90K | ﹤0.01% |
+870
| New | +$90K |
|
1037
Coherus Oncology, Inc. Common Stock
CHRS
$153M
| $90K | ﹤0.01% |
13,275
-24,140
| -65% | -$164K |
|
1038
Clean Harbors
CLH
$12.8B
| $89K | ﹤0.01% |
+627
| New | +$89K |
|
1039
Community Health Systems
CYH
$420M
| $89K | ﹤0.01% |
18,262
-156,546
| -90% | -$763K |
|
1040
Hormel Foods
HRL
$14B
| $89K | ﹤0.01% |
+2,248
| New | +$89K |
|
1041
Liberty Energy
LBRT
$1.8B
| $89K | ﹤0.01% |
+7,006
| New | +$89K |
|
1042
Paymentus
PAY
$4.12B
| $89K | ﹤0.01% |
10,090
-14,939
| -60% | -$132K |
|
|
NVTA
1043
DELISTED
Invitae Corporation
NVTA
| $89K | ﹤0.01% |
66,115
+27,765
| +72% | +$37.4K |
|
1044
Precigen
PGEN
$1.23B
| $88K | ﹤0.01% |
83,520
+15,289
| +22% | +$16.1K |
|
1045
LiveRamp
RAMP
$1.77B
| $88K | ﹤0.01% |
4,014
-346
| -8% | -$7.59K |
|
1046
Outdoor Holding Company Common Stock
POWW
$185M
| $87K | ﹤0.01% |
44,207
+1,939
| +5% | +$3.82K |
|
|
ME
1047
DELISTED
23andMe Holding Co. Class A Common Stock
ME
| $87K | ﹤0.01% |
1,923
-2,027
| -51% | -$91.7K |
|
1048
Arvinas
ARVN
$572M
| $86K | ﹤0.01% |
+3,177
| New | +$86K |
|
1049
Establishment Labs
ESTA
$1.1B
| $86K | ﹤0.01% |
+1,270
| New | +$86K |
|
1050
Neonode
NEON
$72M
| $86K | ﹤0.01% |
+11,387
| New | +$86K |
|