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 | |
|---|---|---|---|---|---|---|
526
Sundial Growers
SNDL
$638M
| $782K | ﹤0.01% |
436,913
+52,092
| +14% | +$93.2K |
|
527
Papa John's
PZZA
$1.58B
| $780K | ﹤0.01% |
+19,008
| New | +$780K |
|
528
American Water Works
AWK
$28B
| $779K | ﹤0.01% |
+6,259
| New | +$779K |
|
529
The Honest Company
HNST
$446M
| $775K | ﹤0.01% |
111,917
+101,453
| +970% | +$703K |
|
|
SUM
530
DELISTED
Summit Materials, Inc. Class A Common Stock
SUM
| $774K | ﹤0.01% |
15,301
+12,655
| +478% | +$640K |
|
531
Root
ROOT
$1.43B
| $773K | ﹤0.01% |
+10,654
| New | +$773K |
|
532
Wintrust Financial
WTFC
$9.34B
| $772K | ﹤0.01% |
+6,196
| New | +$772K |
|
533
EVgo
EVGO
$529M
| $770K | ﹤0.01% |
190,272
-1,541
| -0.8% | -$6.24K |
|
|
NKLA
534
DELISTED
Nikola Corporation Common Stock
NKLA
| $769K | ﹤0.01% |
+646,921
| New | +$769K |
|
535
UWM Holdings
UWMC
$1.38B
| $760K | ﹤0.01% |
+129,483
| New | +$760K |
|
536
Shift4
FOUR
$6.01B
| $757K | ﹤0.01% |
+7,303
| New | +$757K |
|
537
NOV
NOV
$4.95B
| $755K | ﹤0.01% |
51,726
+18,471
| +56% | +$270K |
|
538
Corvus Pharmaceuticals
CRVS
$459M
| $748K | ﹤0.01% |
139,933
+134,263
| +2,368% | +$718K |
|
539
iShares US Transportation ETF
IYT
$605M
| $747K | ﹤0.01% |
+11,066
| New | +$747K |
|
540
Cardinal Health
CAH
$35.7B
| $746K | ﹤0.01% |
+6,311
| New | +$746K |
|
|
HIMX
541
Himax Technologies
HIMX
$1.46B
| $738K | ﹤0.01% |
91,812
+15,747
| +21% | +$127K |
|
|
ITCI
542
DELISTED
Intra-Cellular Therapies Inc.
ITCI
| $731K | ﹤0.01% |
8,760
+5,540
| +172% | +$462K |
|
543
Norfolk Southern
NSC
$62.3B
| $729K | ﹤0.01% |
3,108
-1,768
| -36% | -$415K |
|
544
Ardmore Shipping
ASC
$490M
| $728K | ﹤0.01% |
+59,939
| New | +$728K |
|
545
Genworth Financial
GNW
$3.52B
| $725K | ﹤0.01% |
+103,834
| New | +$725K |
|
546
Photronics
PLAB
$1.36B
| $724K | ﹤0.01% |
+30,738
| New | +$724K |
|
|
GRNY
547
FundStrat Granny Shots US Large Cap ETF
GRNY
$2.4B
| $722K | ﹤0.01% |
+36,196
| New | +$722K |
|
548
Vivid Seats
SEAT
$103M
| $719K | ﹤0.01% |
7,773
-1,453
| -16% | -$134K |
|
549
Amkor Technology
AMKR
$6.09B
| $718K | ﹤0.01% |
+27,966
| New | +$718K |
|
550
Camtek
CAMT
$3.6B
| $717K | ﹤0.01% |
8,888
+6,486
| +270% | +$523K |
|