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 |
Alibaba
BABA
|
+$117M |
| 2 |
Alphabet (Google) Class A
GOOGL
|
+$97.6M |
| 3 |
Walt Disney
DIS
|
+$73.4M |
| 4 |
Citigroup
C
|
+$45.8M |
| 5 |
KraneShares CSI China Internet ETF
KWEB
|
+$41.5M |
Top Sells
| 1 |
iShares 20+ Year Treasury Bond ETF
TLT
|
+$149M |
| 2 |
Amazon
AMZN
|
+$107M |
| 3 |
SPDR Gold Trust
GLD
|
+$58.6M |
| 4 |
Coinbase
COIN
|
+$56.5M |
| 5 |
NVIDIA
NVDA
|
+$48.2M |
Sector Composition
| 1 | Technology | 16.06% |
| 2 | Consumer Discretionary | 14.45% |
| 3 | Communication Services | 10.03% |
| 4 | Financials | 9.44% |
| 5 | Healthcare | 9.18% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
1476
Hillenbrand
HI
$1.78B
| $35K | ﹤0.01% |
+736
| New | +$35K |
|
1477
Heron Therapeutics
HRTX
$236M
| $35K | ﹤0.01% |
+20,598
| New | +$35K |
|
1478
Nu Skin
NUS
$610M
| $35K | ﹤0.01% |
1,818
+724
| +66% | +$13.9K |
|
1479
Ondas Holdings
ONDS
$2.16B
| $35K | ﹤0.01% |
22,924
+4,702
| +26% | +$7.18K |
|
1480
Avita Medical
RCEL
$150M
| $35K | ﹤0.01% |
+2,566
| New | +$35K |
|
1481
Rentokil
RTO
$12.4B
| $35K | ﹤0.01% |
1,225
+1,020
| +498% | +$29.1K |
|
1482
Sonic Automotive
SAH
$2.73B
| $35K | ﹤0.01% |
624
+408
| +189% | +$22.9K |
|
1483
VTEX
VTEX
$846M
| $35K | ﹤0.01% |
5,129
-2,237
| -30% | -$15.3K |
|
|
ONIT
1484
Onity Group Inc.
ONIT
$354M
| $35K | ﹤0.01% |
1,139
-5,972
| -84% | -$184K |
|
|
EGIO
1485
DELISTED
Edgio, Inc. Common Stock
EGIO
| $35K | ﹤0.01% |
2,586
-357
| -12% | -$4.83K |
|
|
SBDS
1486
Solo Brands, Inc.
SBDS
$32.6M
| $35K | ﹤0.01% |
5,815
-29,191
| -83% | -$176K |
|
|
AGS
1487
DELISTED
PlayAGS
AGS
| $34K | ﹤0.01% |
4,044
+2,283
| +130% | +$19.2K |
|
1488
Installed Building Products
IBP
$7.15B
| $34K | ﹤0.01% |
188
-2,998
| -94% | -$542K |
|
1489
Kadant
KAI
$3.64B
| $34K | ﹤0.01% |
+122
| New | +$34K |
|
1490
Kennedy-Wilson Holdings
KW
$1.23B
| $34K | ﹤0.01% |
+2,811
| New | +$34K |
|
1491
Ocugen
OCGN
$437M
| $34K | ﹤0.01% |
60,606
-8,886
| -13% | -$4.99K |
|
1492
PROS Holdings
PRO
$788M
| $34K | ﹤0.01% |
+882
| New | +$34K |
|
|
TSVT
1493
DELISTED
2seventy bio
TSVT
| $34K | ﹤0.01% |
8,097
+7,915
| +4,349% | +$33.2K |
|
1494
Zevra Therapeutics
ZVRA
$446M
| $34K | ﹤0.01% |
+5,231
| New | +$34K |
|
1495
Ashland
ASH
$2.37B
| $33K | ﹤0.01% |
+395
| New | +$33K |
|
1496
DMC Global
BOOM
$158M
| $33K | ﹤0.01% |
1,793
+526
| +42% | +$9.68K |
|
1497
SPDR Bloomberg Convertible Securities ETF
CWB
$4.54B
| $33K | ﹤0.01% |
466
-1,607
| -78% | -$114K |
|
1498
Global X MSCI Greece ETF
GREK
$308M
| $33K | ﹤0.01% |
+906
| New | +$33K |
|
1499
Global Water Resources
GWRS
$276M
| $33K | ﹤0.01% |
+2,533
| New | +$33K |
|
1500
LivePerson
LPSN
$66.2M
| $33K | ﹤0.01% |
8,832
+8,435
| +2,125% | +$31.5K |
|