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 | 6.02% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
201
Meta Platforms (Facebook)
META
$1.9T
| $1.23M | ﹤0.01% |
+7,354
| New | +$1.23M |
|
202
Becton Dickinson
BDX
$54.9B
| $1.21M | ﹤0.01% |
+4,979
| New | +$1.21M |
|
203
AGNC Investment
AGNC
$10.7B
| $1.21M | ﹤0.01% |
67,006
-31,137
| -32% | -$560K |
|
204
Transocean
RIG
$2.95B
| $1.2M | ﹤0.01% |
138,282
-85,053
| -38% | -$741K |
|
205
PVH
PVH
$4.31B
| $1.19M | ﹤0.01% |
9,793
-11,282
| -54% | -$1.38M |
|
206
Cincinnati Financial
CINF
$24.1B
| $1.18M | ﹤0.01% |
+13,695
| New | +$1.18M |
|
207
Bank OZK
OZK
$5.96B
| $1.17M | ﹤0.01% |
40,423
-51,928
| -56% | -$1.5M |
|
208
Advance Auto Parts
AAP
$3.65B
| $1.16M | ﹤0.01% |
+6,814
| New | +$1.16M |
|
|
AERI
209
DELISTED
Aerie Pharmaceuticals, Inc.
AERI
| $1.16M | ﹤0.01% |
24,395
+13,186
| +118% | +$626K |
|
210
Fair Isaac
FICO
$37B
| $1.15M | ﹤0.01% |
+4,240
| New | +$1.15M |
|
211
Ford
F
$47B
| $1.15M | ﹤0.01% |
+131,055
| New | +$1.15M |
|
212
Molson Coors Class B
TAP
$9.94B
| $1.14M | ﹤0.01% |
19,193
-9,133
| -32% | -$544K |
|
|
DERM
213
DELISTED
Dermira, Inc.
DERM
| $1.13M | ﹤0.01% |
83,443
+49,125
| +143% | +$665K |
|
|
IMMU
214
DELISTED
Immunomedics Inc
IMMU
| $1.13M | ﹤0.01% |
58,816
-45,716
| -44% | -$878K |
|
215
Lamb Weston
LW
$8B
| $1.13M | ﹤0.01% |
+15,044
| New | +$1.13M |
|
216
Itaú Unibanco
ITUB
$77.3B
| $1.13M | ﹤0.01% |
170,457
+120,870
| +244% | +$798K |
|
217
ProShares UltraShort S&P500
SDS
$439M
| $1.12M | ﹤0.01% |
6,749
+2,203
| +48% | +$367K |
|
|
SLCA
218
DELISTED
U.S. SILICA HOLDINGS, INC.
SLCA
| $1.12M | ﹤0.01% |
+64,717
| New | +$1.12M |
|
219
Apollo Global Management
APO
$74.8B
| $1.12M | ﹤0.01% |
+39,671
| New | +$1.12M |
|
220
Industrial Select Sector SPDR Fund
XLI
$23.1B
| $1.12M | ﹤0.01% |
+14,936
| New | +$1.12M |
|
221
Encompass Health
EHC
$12.6B
| $1.11M | ﹤0.01% |
23,958
+2,980
| +14% | +$138K |
|
222
Avis
CAR
$5.6B
| $1.1M | ﹤0.01% |
31,432
+12,372
| +65% | +$431K |
|
223
Herbalife
HLF
$1.05B
| $1.09M | ﹤0.01% |
20,629
-29,118
| -59% | -$1.54M |
|
224
Sarepta Therapeutics
SRPT
$1.94B
| $1.09M | ﹤0.01% |
9,177
+2,997
| +48% | +$357K |
|
225
Foot Locker
FL
$2.31B
| $1.09M | ﹤0.01% |
17,969
-44,988
| -71% | -$2.72M |
|