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 | |
|---|---|---|---|---|---|---|
1276
Corbus Pharmaceuticals
CRBP
$142M
| $78K | ﹤0.01% |
+1,990
| New | +$78K |
|
1277
DHT Holdings
DHT
$2.06B
| $78K | ﹤0.01% |
6,857
-52,083
| -88% | -$592K |
|
1278
Genworth Financial
GNW
$3.57B
| $78K | ﹤0.01% |
12,245
-16,909
| -58% | -$108K |
|
1279
Accel Entertainment
ACEL
$939M
| $77K | ﹤0.01% |
6,533
-4,736
| -42% | -$55.8K |
|
1280
USA Compression Partners
USAC
$2.98B
| $77K | ﹤0.01% |
2,916
-6,700
| -70% | -$177K |
|
1281
SPDR Bloomberg 1-3 Month T-Bill ETF
BIL
$42.1B
| $76K | ﹤0.01% |
832
-300
| -27% | -$27.4K |
|
1282
Invitation Homes
INVH
$18.1B
| $76K | ﹤0.01% |
+2,153
| New | +$76K |
|
1283
ProShares Ultra Technology
ROM
$845M
| $76K | ﹤0.01% |
1,264
+702
| +125% | +$42.2K |
|
|
PTVE
1284
DELISTED
Pactiv Evergreen Inc. Common stock
PTVE
| $76K | ﹤0.01% |
5,319
+1,727
| +48% | +$24.7K |
|
1285
Aspen Aerogels
ASPN
$575M
| $75K | ﹤0.01% |
+4,287
| New | +$75K |
|
1286
Asure Software
ASUR
$222M
| $75K | ﹤0.01% |
9,673
-23,625
| -71% | -$183K |
|
1287
Enhabit
EHAB
$409M
| $75K | ﹤0.01% |
6,443
+4,558
| +242% | +$53.1K |
|
1288
IPG Photonics
IPGP
$3.49B
| $75K | ﹤0.01% |
830
-451
| -35% | -$40.8K |
|
1289
Liberty Global Class C
LBTYK
$4.11B
| $75K | ﹤0.01% |
4,291
+2,695
| +169% | +$47.1K |
|
1290
Pixelworks
PXLW
$59.8M
| $75K | ﹤0.01% |
+2,437
| New | +$75K |
|
|
RDUS
1291
DELISTED
Radius Recycling
RDUS
| $75K | ﹤0.01% |
+3,564
| New | +$75K |
|
|
TELL
1292
DELISTED
Tellurian Inc.
TELL
| $75K | ﹤0.01% |
114,668
+51,796
| +82% | +$33.9K |
|
1293
PC Connection
CNXN
$1.61B
| $74K | ﹤0.01% |
1,131
-2,058
| -65% | -$135K |
|
1294
Farmer Brothers
FARM
$40.2M
| $74K | ﹤0.01% |
20,844
-22,796
| -52% | -$80.9K |
|
1295
Integra LifeSciences
IART
$1.2B
| $74K | ﹤0.01% |
+2,103
| New | +$74K |
|
|
IMMP
1296
Immutep
IMMP
$248M
| $74K | ﹤0.01% |
32,071
+3,686
| +13% | +$8.51K |
|
|
ONL
1297
Orion Office REIT
ONL
$157M
| $74K | ﹤0.01% |
21,084
+13,613
| +182% | +$47.8K |
|
1298
Trustmark
TRMK
$2.48B
| $74K | ﹤0.01% |
+2,638
| New | +$74K |
|
1299
Wave Life Sciences
WVE
$1.11B
| $74K | ﹤0.01% |
+12,021
| New | +$74K |
|
1300
MillerKnoll
MLKN
$1.4B
| $73K | ﹤0.01% |
+2,983
| New | +$73K |
|