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 |
Apple
AAPL
|
+$258M |
| 2 |
Vanguard S&P 500 ETF
VOO
|
+$75.7M |
| 3 |
Alphabet (Google) Class A
GOOGL
|
+$67.2M |
| 4 |
Alphabet (Google) Class C
GOOG
|
+$59.4M |
| 5 |
Intel
INTC
|
+$45.8M |
Top Sells
| 1 |
SPDR S&P 500 ETF Trust
SPY
|
+$56.8M |
| 2 |
iShares Silver Trust
SLV
|
+$45.9M |
| 3 |
Ford
F
|
+$32.5M |
| 4 |
Exxon Mobil
XOM
|
+$20.4M |
| 5 |
Caterpillar
CAT
|
+$19.2M |
Sector Composition
| 1 | Technology | 26.01% |
| 2 | Consumer Discretionary | 9.82% |
| 3 | Communication Services | 9.82% |
| 4 | Financials | 8.68% |
| 5 | Healthcare | 6.23% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
|
YALA
1301
Yalla Group
YALA
$1.18B
| $66K | ﹤0.01% |
16,955
+2,411
| +17% | +$9.39K |
|
|
ACRE
1302
Ares Commercial Real Estate
ACRE
$266M
| $65K | ﹤0.01% |
+5,337
| New | +$65K |
|
1303
Carnival PLC
CUK
$37.7B
| $65K | ﹤0.01% |
8,245
+5,864
| +246% | +$46.2K |
|
|
DSL
1304
DoubleLine Income Solutions Fund
DSL
$1.44B
| $65K | ﹤0.01% |
5,383
-1,913
| -26% | -$23.1K |
|
1305
Telefonica
TEF
$30.3B
| $65K | ﹤0.01% |
+12,783
| New | +$65K |
|
|
AYX
1306
DELISTED
Alteryx, Inc.
AYX
| $65K | ﹤0.01% |
1,355
+345
| +34% | +$16.6K |
|
1307
89bio
ETNB
$1.2B
| $64K | ﹤0.01% |
20,057
+19,912
| +13,732% | +$63.5K |
|
1308
Evolent Health
EVH
$1.05B
| $63K | ﹤0.01% |
2,075
-29,737
| -93% | -$903K |
|
1309
FTC Solar
FTCI
$106M
| $63K | ﹤0.01% |
1,755
-1,305
| -43% | -$46.8K |
|
1310
Fiverr
FVRR
$881M
| $63K | ﹤0.01% |
1,860
-29,649
| -94% | -$1M |
|
|
TSVT
1311
DELISTED
2seventy bio
TSVT
| $63K | ﹤0.01% |
+4,796
| New | +$63K |
|
1312
Viper Energy
VNOM
$6.51B
| $63K | ﹤0.01% |
2,384
-19,278
| -89% | -$509K |
|
|
ECOM
1313
DELISTED
CHANNELADVISOR CORPORATION
ECOM
| $63K | ﹤0.01% |
4,326
-11,219
| -72% | -$163K |
|
1314
BARK
BARK
$150M
| $62K | ﹤0.01% |
48,963
-46,276
| -49% | -$58.6K |
|
1315
SPDR Nuveen ICE High Yield Municipal Bond ETF
HYMB
$2.73B
| $62K | ﹤0.01% |
2,452
-162
| -6% | -$4.1K |
|
1316
Silgan Holdings
SLGN
$4.71B
| $62K | ﹤0.01% |
1,517
+267
| +21% | +$10.9K |
|
1317
Sasol
SSL
$4.46B
| $62K | ﹤0.01% |
2,692
-7,880
| -75% | -$181K |
|
|
TPIC
1318
DELISTED
TPI Composites
TPIC
| $62K | ﹤0.01% |
+5,035
| New | +$62K |
|
1319
TTEC Holdings
TTEC
$173M
| $62K | ﹤0.01% |
926
+904
| +4,109% | +$60.5K |
|
1320
Fortive
FTV
$16.5B
| $61K | ﹤0.01% |
1,132
-1,513
| -57% | -$81.5K |
|
1321
Green Dot
GDOT
$751M
| $61K | ﹤0.01% |
+2,433
| New | +$61K |
|
1322
iShares US Technology ETF
IYW
$24B
| $61K | ﹤0.01% |
766
-5,521
| -88% | -$440K |
|
1323
abrdn Physical Silver Shares ETF
SIVR
$2.6B
| $61K | ﹤0.01% |
3,162
-730
| -19% | -$14.1K |
|
|
CBD
1324
DELISTED
Companhia Brasileira de Distribuicao
CBD
| $61K | ﹤0.01% |
+19,813
| New | +$61K |
|
|
RDUS
1325
DELISTED
Radius Health, Inc.
RDUS
| $61K | ﹤0.01% |
+5,907
| New | +$61K |
|