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 |
Energy Select Sector SPDR Fund
XLE
|
+$93.9M |
| 2 |
Pfizer
PFE
|
+$89.5M |
| 3 |
Boeing
BA
|
+$66.7M |
| 4 |
Intel
INTC
|
+$60.2M |
| 5 |
Meta Platforms (Facebook)
META
|
+$52.5M |
Top Sells
| 1 |
NVIDIA
NVDA
|
+$146M |
| 2 |
Alphabet (Google) Class A
GOOGL
|
+$109M |
| 3 |
Alibaba
BABA
|
+$81.8M |
| 4 |
Walt Disney
DIS
|
+$80.2M |
| 5 |
Citigroup
C
|
+$55.3M |
Sector Composition
| 1 | Technology | 19.03% |
| 2 | Healthcare | 13.86% |
| 3 | Consumer Discretionary | 12.44% |
| 4 | Industrials | 8.48% |
| 5 | Communication Services | 7.95% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
251
United States Oil Fund
USO
$965M
| $2.44M | ﹤0.01% |
30,936
-76,593
| -71% | -$6.03M |
|
252
International Paper
IP
$24.5B
| $2.43M | ﹤0.01% |
+62,213
| New | +$2.43M |
|
|
ETRN
253
DELISTED
Equitrans Midstream Corporation Common Stock
ETRN
| $2.42M | ﹤0.01% |
194,145
-186,738
| -49% | -$2.33M |
|
254
Amplify Cybersecurity ETF
HACK
$2.37B
| $2.42M | ﹤0.01% |
37,751
+35,967
| +2,016% | +$2.31M |
|
255
SM Energy
SM
$2.95B
| $2.42M | ﹤0.01% |
+48,470
| New | +$2.42M |
|
256
Abbott
ABT
$237B
| $2.41M | ﹤0.01% |
+21,177
| New | +$2.41M |
|
257
Boston Properties
BXP
$12.1B
| $2.41M | ﹤0.01% |
36,838
-7,907
| -18% | -$516K |
|
258
Iris Energy
IREN
$10.5B
| $2.4M | ﹤0.01% |
445,152
+378,577
| +569% | +$2.04M |
|
259
Global X Uranium ETF
URA
$5.08B
| $2.4M | ﹤0.01% |
83,231
-2,610
| -3% | -$75.2K |
|
260
Ball Corp
BALL
$13.3B
| $2.4M | ﹤0.01% |
35,583
-1,128
| -3% | -$76K |
|
261
Viatris
VTRS
$11.5B
| $2.33M | ﹤0.01% |
195,283
-11,297
| -5% | -$135K |
|
262
Annaly Capital Management
NLY
$13.7B
| $2.32M | ﹤0.01% |
117,860
-16,777
| -12% | -$330K |
|
263
Synovus
SNV
$7.08B
| $2.31M | ﹤0.01% |
57,772
+16,012
| +38% | +$641K |
|
264
Unity
U
$19.5B
| $2.27M | ﹤0.01% |
+85,157
| New | +$2.27M |
|
265
PNC Financial Services
PNC
$80.9B
| $2.27M | ﹤0.01% |
+14,054
| New | +$2.27M |
|
266
Carrier Global
CARR
$51.4B
| $2.26M | ﹤0.01% |
+38,911
| New | +$2.26M |
|
267
Innovative Industrial Properties
IIPR
$1.61B
| $2.26M | ﹤0.01% |
21,793
+14,667
| +206% | +$1.52M |
|
268
SentinelOne
S
$6.4B
| $2.22M | ﹤0.01% |
95,290
-30,633
| -24% | -$714K |
|
269
Aecom
ACM
$17.5B
| $2.21M | ﹤0.01% |
+22,580
| New | +$2.21M |
|
270
Huntington Bancshares
HBAN
$25.9B
| $2.21M | ﹤0.01% |
158,334
+83,182
| +111% | +$1.16M |
|
271
WIX.com
WIX
$10.1B
| $2.18M | ﹤0.01% |
+15,834
| New | +$2.18M |
|
272
iShares MSCI China ETF
MCHI
$8.31B
| $2.17M | ﹤0.01% |
54,535
+34,612
| +174% | +$1.37M |
|
273
Cincinnati Financial
CINF
$24.4B
| $2.16M | ﹤0.01% |
+17,420
| New | +$2.16M |
|
274
Virtu Financial
VIRT
$3B
| $2.15M | ﹤0.01% |
104,804
+81,577
| +351% | +$1.67M |
|
275
Hewlett Packard
HPE
$33B
| $2.14M | ﹤0.01% |
+120,911
| New | +$2.14M |
|