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 |
Alphabet (Google) Class C
GOOG
|
$54.1M |
| 2 |
Apple
AAPL
|
$28.6M |
| 3 |
Meta Platforms (Facebook)
META
|
$16.5M |
| 4 |
IBM
IBM
|
$13.4M |
| 5 |
Baidu
BIDU
|
$10.3M |
Top Sells
| 1 |
SPDR S&P 500 ETF Trust
SPY
|
$9.89M |
| 2 |
McDonald's
MCD
|
$8.52M |
| 3 |
Ralph Lauren
RL
|
$5.22M |
| 4 |
Intel
INTC
|
$4.74M |
| 5 |
WBA
Walgreens Boots Alliance
WBA
|
$4.67M |
Sector Composition
| 1 | Communication Services | 22.01% |
| 2 | Technology | 15.83% |
| 3 | Healthcare | 11.95% |
| 4 | Consumer Discretionary | 9.73% |
| 5 | Financials | 7.98% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
|
AGU
176
DELISTED
Agrium
AGU
| $752K | 0.06% |
7,102
+89
| +1% | +$9.42K |
|
|
PF
177
DELISTED
Pinnacle Foods, Inc.
PF
| $747K | 0.06% |
+16,408
| New | +$747K |
|
|
FIT
178
DELISTED
Fitbit, Inc. Class A common stock
FIT
| $746K | 0.06% |
+19,534
| New | +$746K |
|
|
SFG
179
DELISTED
STANCORP FINL GRP
SFG
| $744K | 0.06% |
+9,849
| New | +$744K |
|
180
ProShares UltraPro QQQ
TQQQ
$26.7B
| $743K | 0.06% |
+167,760
| New | +$743K |
|
181
Esperion Therapeutics
ESPR
$540M
| $739K | 0.06% |
9,041
+1,631
| +22% | +$133K |
|
182
Capri Holdings
CPRI
$2.53B
| $735K | 0.06% |
17,466
+9,341
| +115% | +$393K |
|
183
NCR Voyix
VYX
$1.84B
| $735K | 0.06% |
39,814
+21,654
| +119% | +$400K |
|
|
HME
184
DELISTED
HOME PROPERTIES, INC
HME
| $735K | 0.06% |
+10,065
| New | +$735K |
|
185
Cal-Maine
CALM
$5.52B
| $732K | 0.06% |
+14,038
| New | +$732K |
|
|
CHK
186
DELISTED
Chesapeake Energy Corporation
CHK
| $730K | 0.06% |
+327
| New | +$730K |
|
|
DATA
187
DELISTED
Tableau Software, Inc.
DATA
| $730K | 0.06% |
6,336
+5,728
| +942% | +$660K |
|
188
BlackBerry
BB
$2.31B
| $729K | 0.06% |
89,232
+5,839
| +7% | +$47.7K |
|
|
TECD
189
DELISTED
Tech Data Corp
TECD
| $728K | 0.06% |
+12,653
| New | +$728K |
|
|
GOLD
190
DELISTED
Randgold Resources Ltd
GOLD
| $728K | 0.06% |
10,948
+8,623
| +371% | +$573K |
|
191
NextEra Energy, Inc.
NEE
$146B
| $723K | 0.06% |
29,532
+25,952
| +725% | +$635K |
|
192
Aon
AON
$79.9B
| $721K | 0.06% |
7,236
+6,593
| +1,025% | +$657K |
|
193
General Motors
GM
$55.5B
| $720K | 0.06% |
+21,620
| New | +$720K |
|
194
Deutsche Bank
DB
$67.8B
| $719K | 0.06% |
26,730
+24,581
| +1,144% | +$661K |
|
195
Devon Energy
DVN
$22.1B
| $714K | 0.06% |
12,012
+6,609
| +122% | +$393K |
|
196
Nasdaq
NDAQ
$53.6B
| $713K | 0.06% |
+43,827
| New | +$713K |
|
197
ProShares UltraPro S&P 500
UPRO
$4.49B
| $713K | 0.06% |
64,464
+17,448
| +37% | +$193K |
|
198
Cisco
CSCO
$264B
| $712K | 0.06% |
25,931
+15,049
| +138% | +$413K |
|
|
BWLD
199
DELISTED
Buffalo Wild Wings, Inc.
BWLD
| $709K | 0.06% |
+4,528
| New | +$709K |
|
|
BHI
200
DELISTED
Baker Hughes
BHI
| $709K | 0.06% |
11,497
+4,793
| +71% | +$296K |
|