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 | |
|---|---|---|---|---|---|---|
201
Amplify Cybersecurity ETF
HACK
$2.29B
| $707K | 0.06% |
22,416
+12,751
| +132% | +$402K |
|
202
Helmerich & Payne
HP
$2.01B
| $703K | 0.06% |
+9,986
| New | +$703K |
|
203
Becton Dickinson
BDX
$55.1B
| $701K | 0.06% |
5,073
+3,604
| +245% | +$498K |
|
204
Skyworks Solutions
SWKS
$11.2B
| $695K | 0.06% |
6,685
-31,469
| -82% | -$3.27M |
|
|
FIG
205
DELISTED
Fortress Investment Group Llc
FIG
| $687K | 0.06% |
94,136
-3,415
| -4% | -$24.9K |
|
206
Abercrombie & Fitch
ANF
$4.49B
| $681K | 0.06% |
31,692
+6,952
| +28% | +$149K |
|
207
Vipshop
VIPS
$8.45B
| $678K | 0.06% |
30,489
-25,038
| -45% | -$557K |
|
|
JOYY
208
JOYY Inc. American Depositary Shares
JOYY
$3.21B
| $670K | 0.06% |
+9,640
| New | +$670K |
|
209
PNC Financial Services
PNC
$80.5B
| $669K | 0.06% |
6,998
-4,107
| -37% | -$393K |
|
210
Universal Health Services
UHS
$12.1B
| $645K | 0.05% |
+4,543
| New | +$645K |
|
211
Adverum Biotechnologies
ADVM
$73.9M
| $641K | 0.05% |
3,953
+2,661
| +206% | +$431K |
|
212
Edgewell Personal Care
EPC
$1.09B
| $637K | 0.05% |
+4,849
| New | +$637K |
|
|
SDRL
213
DELISTED
Seadrill Limited Common Stock
SDRL
| $635K | 0.05% |
229
-7
| -3% | -$19.4K |
|
214
ProShares Ultra Silver
AGQ
$894M
| $634K | 0.05% |
+17,333
| New | +$634K |
|
215
Expedia Group
EXPE
$26.6B
| $629K | 0.05% |
5,753
+5,228
| +996% | +$572K |
|
216
Simon Property Group
SPG
$59.5B
| $629K | 0.05% |
3,640
+2,840
| +355% | +$491K |
|
|
JUNO
217
DELISTED
Juno Therapeutics, Inc.
JUNO
| $618K | 0.05% |
+11,597
| New | +$618K |
|
|
SPLS
218
DELISTED
Staples Inc
SPLS
| $610K | 0.05% |
39,889
+32,578
| +446% | +$498K |
|
|
WLL
219
DELISTED
Whiting Petroleum Corporation
WLL
| $606K | 0.05% |
60
-159
| -73% | -$1.61M |
|
220
Fidelity National Information Services
FIS
$35.9B
| $590K | 0.05% |
+9,560
| New | +$590K |
|
221
Fluor
FLR
$6.72B
| $589K | 0.05% |
11,119
+7,222
| +185% | +$383K |
|
222
Garmin
GRMN
$45.7B
| $588K | 0.05% |
13,387
+2,927
| +28% | +$129K |
|
223
Bank of America
BAC
$369B
| $587K | 0.05% |
34,513
+8,652
| +33% | +$147K |
|
224
Bath & Body Works
BBWI
$6.06B
| $581K | 0.05% |
+8,396
| New | +$581K |
|
225
Vanguard FTSE Europe ETF
VGK
$26.9B
| $581K | 0.05% |
10,778
-5,088
| -32% | -$274K |
|