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
|
+$586M |
| 2 |
Strategy Inc Common Stock Class A
MSTR
|
+$82.5M |
| 3 |
Intel
INTC
|
+$40.4M |
| 4 |
Invesco QQQ Trust
QQQ
|
+$39.4M |
| 5 |
Uber
UBER
|
+$36.3M |
Top Sells
| 1 |
NVIDIA
NVDA
|
+$130M |
| 2 |
Pinduoduo
PDD
|
+$95.7M |
| 3 |
Boeing
BA
|
+$56.2M |
| 4 |
KraneShares CSI China Internet ETF
KWEB
|
+$40.7M |
| 5 |
Microsoft
MSFT
|
+$40.5M |
Sector Composition
| 1 | Technology | 34.29% |
| 2 | Consumer Discretionary | 11.38% |
| 3 | Healthcare | 9.65% |
| 4 | Financials | 6.33% |
| 5 | Communication Services | 5.52% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
1251
Sagimet Biosciences
SGMT
$229M
| $77K | ﹤0.01% |
17,147
+1,375
| +9% | +$6.18K |
|
1252
Brookfield Asset Management
BAM
$91.5B
| $76K | ﹤0.01% |
1,419
-1,245
| -47% | -$66.7K |
|
1253
Rocket Pharmaceuticals
RCKT
$354M
| $76K | ﹤0.01% |
6,096
+5,633
| +1,217% | +$70.2K |
|
1254
Invesco Solar ETF
TAN
$727M
| $76K | ﹤0.01% |
2,318
-5,376
| -70% | -$176K |
|
1255
KraneShares China Internet and Covered Call Strategy ETF
KLIP
$109M
| $75K | ﹤0.01% |
+2,328
| New | +$75K |
|
1256
Runway Growth Finance
RWAY
$384M
| $75K | ﹤0.01% |
6,918
+969
| +16% | +$10.5K |
|
1257
Amplify Junior Silver Miners ETF
SILJ
$2.26B
| $75K | ﹤0.01% |
7,595
-44,124
| -85% | -$436K |
|
1258
10x Genomics
TXG
$1.63B
| $75K | ﹤0.01% |
5,224
+2,055
| +65% | +$29.5K |
|
|
GRAL
1259
GRAIL, Inc. Common Stock
GRAL
$1.39B
| $75K | ﹤0.01% |
+4,209
| New | +$75K |
|
|
LLYX
1260
Defiance Daily Target 2x Long LLY ETF
LLYX
$95.4M
| $75K | ﹤0.01% |
+4,165
| New | +$75K |
|
1261
Bentley Systems
BSY
$16.2B
| $74K | ﹤0.01% |
+1,595
| New | +$74K |
|
1262
Invesco Water Resources ETF
PHO
$2.25B
| $74K | ﹤0.01% |
1,134
+1,121
| +8,623% | +$73.2K |
|
|
ACCD
1263
DELISTED
Accolade, Inc. Common Stock
ACCD
| $74K | ﹤0.01% |
21,896
+12,305
| +128% | +$41.6K |
|
1264
Arteris
AIP
$381M
| $73K | ﹤0.01% |
+7,234
| New | +$73K |
|
1265
Certara
CERT
$1.75B
| $73K | ﹤0.01% |
6,888
+5,736
| +498% | +$60.8K |
|
1266
BellRing Brands
BRBR
$4.7B
| $72K | ﹤0.01% |
+960
| New | +$72K |
|
1267
NGL Energy Partners
NGL
$744M
| $72K | ﹤0.01% |
14,507
+5,941
| +69% | +$29.5K |
|
1268
Defiance Nasdaq 100 Enhanced Options Income ETF
QQQY
$188M
| $72K | ﹤0.01% |
+2,342
| New | +$72K |
|
1269
Royal Gold
RGLD
$12.5B
| $72K | ﹤0.01% |
552
-3,775
| -87% | -$492K |
|
1270
United States Gasoline Fund
UGA
$76.6M
| $72K | ﹤0.01% |
+1,157
| New | +$72K |
|
1271
Mr. Cooper
COOP
$14.1B
| $71K | ﹤0.01% |
743
-1,768
| -70% | -$169K |
|
1272
Gaotu Techedu
GOTU
$889M
| $71K | ﹤0.01% |
32,627
-97,222
| -75% | -$212K |
|
1273
Ivanhoe Electric
IE
$1.17B
| $71K | ﹤0.01% |
9,499
-2,536
| -21% | -$19K |
|
1274
Lexicon Pharmaceuticals
LXRX
$403M
| $71K | ﹤0.01% |
+96,083
| New | +$71K |
|
1275
MindMed
MNMD
$734M
| $71K | ﹤0.01% |
+10,228
| New | +$71K |
|