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
|
$54.6M |
| 2 |
iShares Russell 2000 ETF
IWM
|
$52.5M |
| 3 |
SPDR S&P 500 ETF Trust
SPY
|
$40.9M |
| 4 |
Apple
AAPL
|
$16.5M |
| 5 |
Visa
V
|
$12M |
Top Sells
| 1 |
Amazon
AMZN
|
$98.7M |
| 2 |
Meta Platforms (Facebook)
META
|
$70.7M |
| 3 |
Invesco QQQ Trust
QQQ
|
$33.4M |
| 4 |
Goldman Sachs
GS
|
$30.2M |
| 5 |
Boeing
BA
|
$26.5M |
Sector Composition
| 1 | Communication Services | 14.71% |
| 2 | Consumer Discretionary | 14.32% |
| 3 | Technology | 11.86% |
| 4 | Financials | 7.38% |
| 5 | Industrials | 6.44% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
|
VCRA
201
DELISTED
VOCERA COMMUNICATIONS, INC.
VCRA
| $1.11M | ﹤0.01% |
28,167
+24,176
| +606% | +$951K |
|
202
Goodyear
GT
$2.43B
| $1.1M | ﹤0.01% |
53,809
+11,307
| +27% | +$231K |
|
203
Ciena
CIEN
$16.5B
| $1.09M | ﹤0.01% |
32,291
+3,625
| +13% | +$123K |
|
204
Hilton Grand Vacations
HGV
$4.15B
| $1.09M | ﹤0.01% |
41,430
+37,836
| +1,053% | +$998K |
|
205
Howmet Aerospace
HWM
$71.8B
| $1.09M | ﹤0.01% |
84,122
-31,575
| -27% | -$408K |
|
206
J.M. Smucker
SJM
$12B
| $1.08M | ﹤0.01% |
11,521
+7,104
| +161% | +$664K |
|
207
Kohl's
KSS
$1.86B
| $1.07M | ﹤0.01% |
16,182
-862
| -5% | -$57.2K |
|
208
ASML
ASML
$307B
| $1.07M | ﹤0.01% |
+6,866
| New | +$1.07M |
|
209
Tyson Foods
TSN
$20B
| $1.07M | ﹤0.01% |
19,978
+3,640
| +22% | +$194K |
|
210
Caesarstone
CSTE
$48.7M
| $1.07M | ﹤0.01% |
78,471
+46,290
| +144% | +$628K |
|
211
AB InBev
BUD
$118B
| $1.05M | ﹤0.01% |
15,882
+7,101
| +81% | +$467K |
|
212
United States Brent Oil Fund
BNO
$108M
| $1.04M | ﹤0.01% |
67,705
+17,942
| +36% | +$275K |
|
213
Deere & Co
DE
$128B
| $1.04M | ﹤0.01% |
6,945
-20,399
| -75% | -$3.04M |
|
214
iShares MSCI United Kingdom ETF
EWU
$2.9B
| $1.03M | ﹤0.01% |
35,255
+26,631
| +309% | +$781K |
|
215
Encompass Health
EHC
$12.6B
| $1.03M | ﹤0.01% |
20,978
+16,155
| +335% | +$792K |
|
216
Welltower
WELL
$112B
| $1.01M | ﹤0.01% |
14,602
+14,100
| +2,809% | +$978K |
|
217
Thor Industries
THO
$5.94B
| $1.01M | ﹤0.01% |
19,379
+1,271
| +7% | +$66K |
|
218
McKesson
MCK
$85.5B
| $1M | ﹤0.01% |
9,081
+4,766
| +110% | +$526K |
|
219
JetBlue
JBLU
$1.85B
| $997K | ﹤0.01% |
+62,090
| New | +$997K |
|
220
Noodles & Co
NDLS
$31.1M
| $989K | ﹤0.01% |
+141,505
| New | +$989K |
|
221
Seagate
STX
$40B
| $988K | ﹤0.01% |
25,620
+25,520
| +25,520% | +$984K |
|
222
Idexx Laboratories
IDXX
$51.4B
| $986K | ﹤0.01% |
5,302
-1,762
| -25% | -$328K |
|
223
Take-Two Interactive
TTWO
$44.2B
| $986K | ﹤0.01% |
9,584
-11,273
| -54% | -$1.16M |
|
|
APHA
224
DELISTED
Aphria Inc. Common Shares
APHA
| $981K | ﹤0.01% |
+172,480
| New | +$981K |
|
225
Snap
SNAP
$12.4B
| $979K | ﹤0.01% |
177,825
-244,013
| -58% | -$1.34M |
|