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 |
iShares 20+ Year Treasury Bond ETF
TLT
|
+$278M |
| 2 |
Alphabet (Google) Class A
GOOGL
|
+$84.4M |
| 3 |
NVIDIA
NVDA
|
+$76.9M |
| 4 |
TSMC
TSM
|
+$74.9M |
| 5 |
Amazon
AMZN
|
+$53.5M |
Top Sells
| 1 |
Apple
AAPL
|
+$497M |
| 2 |
Strategy Inc Common Stock Class A
MSTR
|
+$73.7M |
| 3 |
Alibaba
BABA
|
+$49M |
| 4 |
Advanced Micro Devices
AMD
|
+$48.1M |
| 5 |
Uber
UBER
|
+$41.8M |
Sector Composition
| 1 | Technology | 22.9% |
| 2 | Consumer Discretionary | 12.26% |
| 3 | Healthcare | 9.52% |
| 4 | Communication Services | 8.42% |
| 5 | Financials | 7.07% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
1301
SPDR Portfolio Intermediate Term Treasury ETF
SPTI
$9.1B
| $51K | ﹤0.01% |
1,791
+1,700
| +1,868% | +$48.4K |
|
1302
First Foundation Inc
FFWM
$493M
| $50K | ﹤0.01% |
+9,783
| New | +$50K |
|
1303
NGL Energy Partners
NGL
$740M
| $50K | ﹤0.01% |
11,039
-3,468
| -24% | -$15.7K |
|
1304
Sixth Street Specialty
TSLX
$2.32B
| $50K | ﹤0.01% |
+2,258
| New | +$50K |
|
1305
iShares Global Timber & Forestry ETF
WOOD
$247M
| $50K | ﹤0.01% |
669
+384
| +135% | +$28.7K |
|
1306
Invesco Senior Loan ETF
BKLN
$6.88B
| $49K | ﹤0.01% |
2,396
-10,132
| -81% | -$207K |
|
1307
Collegium Pharmaceutical
COLL
$1.18B
| $49K | ﹤0.01% |
1,659
+894
| +117% | +$26.4K |
|
1308
Gambling.com
GAMB
$288M
| $49K | ﹤0.01% |
3,899
+3,459
| +786% | +$43.5K |
|
1309
Globant
GLOB
$2.47B
| $49K | ﹤0.01% |
+420
| New | +$49K |
|
1310
Global Partners
GLP
$1.77B
| $49K | ﹤0.01% |
+936
| New | +$49K |
|
1311
IPG Photonics
IPGP
$3.38B
| $49K | ﹤0.01% |
+778
| New | +$49K |
|
1312
Zymeworks
ZYME
$1.19B
| $49K | ﹤0.01% |
4,168
+3,081
| +283% | +$36.2K |
|
1313
iShares Latin America 40 ETF
ILF
$1.81B
| $48K | ﹤0.01% |
2,073
+1,638
| +377% | +$37.9K |
|
1314
Imperial Petroleum
IMPP
$156M
| $48K | ﹤0.01% |
19,950
-147,916
| -88% | -$356K |
|
1315
Ondas Holdings
ONDS
$2.14B
| $48K | ﹤0.01% |
45,687
-21,383
| -32% | -$22.5K |
|
1316
Sasol
SSL
$4.46B
| $48K | ﹤0.01% |
11,505
-3,286
| -22% | -$13.7K |
|
1317
Taboola.com
TBLA
$994M
| $48K | ﹤0.01% |
16,591
-45,836
| -73% | -$133K |
|
1318
Teucrium Agricultural Strategy No K-1 ETF
TILL
$5.19M
| $48K | ﹤0.01% |
2,585
+2,125
| +462% | +$39.5K |
|
1319
SPDR S&P Software & Services ETF
XSW
$499M
| $48K | ﹤0.01% |
+304
| New | +$48K |
|
|
BRAG
1320
Bragg Gaming Group
BRAG
$71.3M
| $47K | ﹤0.01% |
11,678
+4,303
| +58% | +$17.3K |
|
1321
Forestar Group
FOR
$1.41B
| $47K | ﹤0.01% |
+2,232
| New | +$47K |
|
|
GB
1322
DELISTED
Global Blue Group Holding
GB
| $47K | ﹤0.01% |
6,410
+893
| +16% | +$6.55K |
|
1323
iRadimed
IRMD
$907M
| $47K | ﹤0.01% |
907
+300
| +49% | +$15.5K |
|
1324
MiMedx Group
MDXG
$1.03B
| $47K | ﹤0.01% |
+6,294
| New | +$47K |
|
1325
StoneX
SNEX
$5.04B
| $47K | ﹤0.01% |
+622
| New | +$47K |
|