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
|
+$92M |
| 2 |
Walt Disney
DIS
|
+$25.4M |
| 3 |
Alphabet (Google) Class A
GOOGL
|
+$12.8M |
| 4 |
Baidu
BIDU
|
+$12.2M |
| 5 |
RHT
Red Hat Inc
RHT
|
+$11.6M |
Top Sells
| 1 |
iShares Russell 2000 ETF
IWM
|
+$61.4M |
| 2 |
Amazon
AMZN
|
+$59.6M |
| 3 |
Alphabet (Google) Class C
GOOG
|
+$35.5M |
| 4 |
Apple
AAPL
|
+$19.6M |
| 5 |
Financial Select Sector SPDR Fund
XLF
|
+$18.2M |
Sector Composition
| 1 | Communication Services | 16.98% |
| 2 | Technology | 12.42% |
| 3 | Healthcare | 10.02% |
| 4 | Consumer Discretionary | 8.53% |
| 5 | Industrials | 6.01% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
|
NBLX
776
DELISTED
Noble Midstream Partners LP
NBLX
| $135K | ﹤0.01% |
3,755
+2,708
| +259% | +$97.4K |
|
|
SUP
777
DELISTED
Superior Industries International
SUP
| $134K | ﹤0.01% |
28,352
+24,363
| +611% | +$115K |
|
|
EVOP
778
DELISTED
EVO Payments, Inc. Class A Common Stock
EVOP
| $134K | ﹤0.01% |
+4,625
| New | +$134K |
|
|
JOBS
779
DELISTED
51job, Inc.
JOBS
| $134K | ﹤0.01% |
1,729
+1,244
| +256% | +$96.4K |
|
|
TLRA
780
DELISTED
Telaria, Inc.
TLRA
| $134K | ﹤0.01% |
21,149
+18,894
| +838% | +$120K |
|
|
GPMT
781
Granite Point Mortgage Trust
GPMT
$143M
| $133K | ﹤0.01% |
+7,179
| New | +$133K |
|
|
PENG
782
Penguin Solutions, Inc. Ordinary Shares
PENG
$1.37B
| $133K | ﹤0.01% |
13,948
+4,296
| +45% | +$41K |
|
783
Ambarella
AMBA
$3.58B
| $132K | ﹤0.01% |
3,060
-33,206
| -92% | -$1.43M |
|
784
SuRo Capital
SSSS
$208M
| $132K | ﹤0.01% |
+20,831
| New | +$132K |
|
785
VanEck Rare Earth/Strategic Metals ETF
REMX
$713M
| $131K | ﹤0.01% |
2,783
+1,583
| +132% | +$74.5K |
|
786
VanEck Retail ETF
RTH
$262M
| $131K | ﹤0.01% |
+1,258
| New | +$131K |
|
787
SandRidge Energy
SD
$426M
| $131K | ﹤0.01% |
16,431
-55,438
| -77% | -$442K |
|
788
Edgewell Personal Care
EPC
$1.01B
| $130K | ﹤0.01% |
+2,967
| New | +$130K |
|
789
Yeti Holdings
YETI
$2.81B
| $130K | ﹤0.01% |
+4,326
| New | +$130K |
|
|
STML
790
DELISTED
Stemline Therapeutics, Inc.
STML
| $130K | ﹤0.01% |
10,167
-26,140
| -72% | -$334K |
|
791
Global X MSCI China Consumer Discretionary ETF
CHIQ
$244M
| $129K | ﹤0.01% |
7,770
-1,629
| -17% | -$27K |
|
792
Petrobras Class A
PBR.A
$74.8B
| $129K | ﹤0.01% |
+9,074
| New | +$129K |
|
|
ACOR
793
DELISTED
Acorda Therapeutics, Inc.
ACOR
| $129K | ﹤0.01% |
+81
| New | +$129K |
|
794
BorgWarner
BWA
$9.29B
| $128K | ﹤0.01% |
3,792
-3,852
| -50% | -$130K |
|
795
SPDR Dow Jones REIT ETF
RWR
$1.86B
| $128K | ﹤0.01% |
+1,295
| New | +$128K |
|
|
CARB
796
DELISTED
Carbonite Inc
CARB
| $128K | ﹤0.01% |
5,196
+2,419
| +87% | +$59.6K |
|
797
Crown Holdings
CCK
$10.9B
| $127K | ﹤0.01% |
+2,341
| New | +$127K |
|
798
Chemed
CHE
$6.57B
| $127K | ﹤0.01% |
+399
| New | +$127K |
|
799
Hudbay
HBM
$5.26B
| $127K | ﹤0.01% |
+17,876
| New | +$127K |
|
|
HCR
800
DELISTED
Hi-Crush Inc. Common Stock
HCR
| $127K | ﹤0.01% |
28,541
+11,811
| +71% | +$52.6K |
|