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 | |
|---|---|---|---|---|---|---|
1351
SPDR Portfolio Long Term Treasury ETF
SPTL
$11.7B
| $62K | ﹤0.01% |
2,232
-17,550
| -89% | -$488K |
|
1352
Vanguard Industrials ETF
VIS
$6.25B
| $62K | ﹤0.01% |
255
+50
| +24% | +$12.2K |
|
1353
Beam Global
BEEM
$53.6M
| $61K | ﹤0.01% |
8,994
-30,406
| -77% | -$206K |
|
1354
DMC Global
BOOM
$158M
| $61K | ﹤0.01% |
3,164
+1,371
| +76% | +$26.4K |
|
1355
Gulf Island Fabrication
GIFI
$114M
| $61K | ﹤0.01% |
+8,373
| New | +$61K |
|
1356
Microvast
MVST
$1.11B
| $61K | ﹤0.01% |
73,067
-38,049
| -34% | -$31.8K |
|
|
NGD
1357
New Gold Inc
NGD
$5.1B
| $61K | ﹤0.01% |
35,936
-2,186
| -6% | -$3.71K |
|
|
EVA
1358
DELISTED
Enviva Inc.
EVA
| $61K | ﹤0.01% |
139,605
+71,657
| +105% | +$31.3K |
|
1359
Kopin
KOPN
$440M
| $60K | ﹤0.01% |
+33,812
| New | +$60K |
|
1360
Calavo Growers
CVGW
$497M
| $59K | ﹤0.01% |
2,126
-407
| -16% | -$11.3K |
|
1361
CEL-SCI Corp
CVM
$61.4M
| $59K | ﹤0.01% |
1,045
+95
| +10% | +$5.36K |
|
1362
Newegg Commerce
NEGG
$953M
| $59K | ﹤0.01% |
3,246
+741
| +30% | +$13.5K |
|
|
VXRT
1363
DELISTED
Vaxart
VXRT
| $59K | ﹤0.01% |
45,918
+3,379
| +8% | +$4.34K |
|
1364
ManpowerGroup
MAN
$1.76B
| $58K | ﹤0.01% |
+754
| New | +$58K |
|
1365
Alarm.com
ALRM
$2.78B
| $57K | ﹤0.01% |
+791
| New | +$57K |
|
1366
Fidelity National Information Services
FIS
$34.6B
| $57K | ﹤0.01% |
772
-83,804
| -99% | -$6.19M |
|
1367
Fusion Fuel Green
HTOO
$8.58M
| $57K | ﹤0.01% |
970
+357
| +58% | +$21K |
|
1368
Lincoln Educational Services
LINC
$679M
| $57K | ﹤0.01% |
5,606
+4,931
| +731% | +$50.1K |
|
1369
Intuitive Machines
LUNR
$1.13B
| $57K | ﹤0.01% |
+9,194
| New | +$57K |
|
1370
Mama's Creations
MAMA
$424M
| $57K | ﹤0.01% |
11,486
-1,517
| -12% | -$7.53K |
|
1371
Seres Therapeutics
MCRB
$158M
| $57K | ﹤0.01% |
3,694
+1,428
| +63% | +$22K |
|
1372
PetMed Express
PETS
$57.8M
| $57K | ﹤0.01% |
12,045
-16,820
| -58% | -$79.6K |
|
|
KNTE
1373
DELISTED
Kinnate Biopharma Inc. Common Stock
KNTE
| $57K | ﹤0.01% |
21,764
-22,575
| -51% | -$59.1K |
|
1374
Cabot Corp
CBT
$4.15B
| $56K | ﹤0.01% |
+616
| New | +$56K |
|
1375
iShares S&P India Nifty 50 Index Fund
INDY
$659M
| $56K | ﹤0.01% |
1,120
-1,120
| -50% | -$56K |
|