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 | |
|---|---|---|---|---|---|---|
|
BHVN
476
DELISTED
Biohaven Pharmaceutical Holding Company Ltd.
BHVN
| $644K | ﹤0.01% |
4,426
+2,603
| +143% | +$379K |
|
477
ProShares Short QQQ
PSQ
$543M
| $643K | ﹤0.01% |
8,937
+6,847
| +328% | +$493K |
|
478
Digital Turbine
APPS
$491M
| $636K | ﹤0.01% |
36,409
-3,480
| -9% | -$60.8K |
|
479
Genuine Parts
GPC
$19.2B
| $636K | ﹤0.01% |
+4,784
| New | +$636K |
|
480
ProShares UltraPro Short 20+ Year Treasury
TTT
$22.3M
| $634K | ﹤0.01% |
10,986
-2,758
| -20% | -$159K |
|
|
ETRN
481
DELISTED
Equitrans Midstream Corporation Common Stock
ETRN
| $634K | ﹤0.01% |
99,712
+13,812
| +16% | +$87.8K |
|
482
AeroVironment
AVAV
$11.6B
| $628K | ﹤0.01% |
7,640
+7,438
| +3,682% | +$611K |
|
483
Aurinia Pharmaceuticals
AUPH
$1.62B
| $627K | ﹤0.01% |
62,421
-119,478
| -66% | -$1.2M |
|
484
BGC Group
BGC
$4.73B
| $626K | ﹤0.01% |
+185,878
| New | +$626K |
|
485
Unity
U
$19B
| $624K | ﹤0.01% |
16,972
-57,483
| -77% | -$2.11M |
|
486
LPL Financial
LPLA
$27.7B
| $620K | ﹤0.01% |
3,365
+2,035
| +153% | +$375K |
|
|
RSX
487
DELISTED
VanEck Russia ETF
RSX
| $619K | ﹤0.01% |
109,620
-139,300
| -56% | -$787K |
|
488
Deckers Outdoor
DECK
$17.3B
| $618K | ﹤0.01% |
14,538
-43,380
| -75% | -$1.84M |
|
489
VanEck Pharmaceutical ETF
PPH
$623M
| $618K | ﹤0.01% |
8,051
+7,961
| +8,846% | +$611K |
|
490
Kinross Gold
KGC
$27.2B
| $617K | ﹤0.01% |
172,405
-220,897
| -56% | -$791K |
|
491
Pegasystems
PEGA
$9.76B
| $616K | ﹤0.01% |
25,792
+14,522
| +129% | +$347K |
|
492
Comerica
CMA
$8.82B
| $614K | ﹤0.01% |
8,371
-465
| -5% | -$34.1K |
|
493
Applovin
APP
$186B
| $613K | ﹤0.01% |
17,824
+12,309
| +223% | +$423K |
|
|
EGIO
494
DELISTED
Edgio, Inc. Common Stock
EGIO
| $612K | ﹤0.01% |
6,627
-4,714
| -42% | -$435K |
|
495
HubSpot
HUBS
$26.4B
| $611K | ﹤0.01% |
2,033
-2,476
| -55% | -$744K |
|
496
LivePerson
LPSN
$92.6M
| $611K | ﹤0.01% |
43,237
+9,747
| +29% | +$138K |
|
497
Camtek
CAMT
$3.81B
| $610K | ﹤0.01% |
24,554
+23,373
| +1,979% | +$581K |
|
498
Lithia Motors
LAD
$8.8B
| $610K | ﹤0.01% |
+2,220
| New | +$610K |
|
499
JFrog
FROG
$5.84B
| $608K | ﹤0.01% |
28,896
+12,196
| +73% | +$257K |
|
|
BLUE
500
DELISTED
bluebird bio
BLUE
| $606K | ﹤0.01% |
7,325
+6,284
| +604% | +$520K |
|