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 Russell 2000 ETF
IWM
|
$27.5M |
| 2 |
SPDR Dow Jones Industrial Average ETF Trust
DIA
|
$16.3M |
| 3 |
Walt Disney
DIS
|
$13.9M |
| 4 |
iShares MSCI Emerging Markets ETF
EEM
|
$10.4M |
| 5 |
Gilead Sciences
GILD
|
$10.4M |
Top Sells
| 1 |
Alphabet (Google) Class C
GOOG
|
$95.3M |
| 2 |
Apple
AAPL
|
$21.1M |
| 3 |
Meta Platforms (Facebook)
META
|
$20M |
| 4 |
IBM
IBM
|
$13.4M |
| 5 |
Baidu
BIDU
|
$12.1M |
Sector Composition
| 1 | Healthcare | 13.63% |
| 2 | Communication Services | 9.81% |
| 3 | Consumer Discretionary | 9.7% |
| 4 | Technology | 9.67% |
| 5 | Financials | 9.48% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
3476
Bread Financial
BFH
$3.07B
| – | – |
-4,021
| Closed | -$936K |
|
3477
BGC Group
BGC
$4.64B
| – | – |
0
| – | – |
|
3478
Big 5 Sporting Goods
BGFV
$32.5M
| – | – |
-131
| Closed | -$1K |
|
3479
ProShares Ultra NASDAQ Biotechnology
BIB
$55.7M
| – | – |
-933
| Closed | -$84K |
|
|
3480
Baidu
BIDU
$33.1B
| – | – |
-60,635
| Closed | -$12.1M |
|
3481
Brookfield Infrastructure Partners
BIP
$14.2B
| – | – |
0
| – | – |
|
3482
ProShares UltraShort NASDAQ Biotechnology
BIS
$2.37M
| – | – |
-1,608
| Closed | -$184K |
|
3483
BJ's Restaurants
BJRI
$749M
| – | – |
0
| – | – |
|
3484
Brookdale Senior Living
BKD
$1.81B
| – | – |
-588
| Closed | -$20K |
|
3485
TopBuild
BLD
$11.8B
| – | – |
0
| – | – |
|
3486
Badger Meter
BMI
$5.36B
| – | – |
-432
| Closed | -$13K |
|
3487
Bank of Montreal
BMO
$88.5B
| – | – |
-2,642
| Closed | -$156K |
|
3488
Invesco Bloomberg MVP Multi-factor ETF
BMVP
$111M
| – | – |
0
| – | – |
|
3489
Brookfield
BN
$97.7B
| – | – |
0
| – | – |
|
3490
Vanguard Total Bond Market
BND
$133B
| – | – |
-431
| Closed | -$35K |
|
3491
United States Brent Oil Fund
BNO
$111M
| – | – |
-1,214
| Closed | -$27K |
|