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 |
Energy Select Sector SPDR Fund
XLE
|
+$93.9M |
| 2 |
Pfizer
PFE
|
+$89.5M |
| 3 |
Boeing
BA
|
+$66.7M |
| 4 |
Intel
INTC
|
+$60.2M |
| 5 |
Meta Platforms (Facebook)
META
|
+$52.5M |
Top Sells
| 1 |
NVIDIA
NVDA
|
+$146M |
| 2 |
Alphabet (Google) Class A
GOOGL
|
+$109M |
| 3 |
Alibaba
BABA
|
+$81.8M |
| 4 |
Walt Disney
DIS
|
+$80.2M |
| 5 |
Citigroup
C
|
+$55.3M |
Sector Composition
| 1 | Technology | 19.03% |
| 2 | Healthcare | 13.86% |
| 3 | Consumer Discretionary | 12.44% |
| 4 | Industrials | 8.48% |
| 5 | Communication Services | 7.95% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
526
NextNav
NN
$2.27B
| $774K | ﹤0.01% |
117,641
+47,325
| +67% | +$311K |
|
527
Manchester United
MANU
$2.62B
| $773K | ﹤0.01% |
+55,389
| New | +$773K |
|
528
Melco Resorts & Entertainment
MLCO
$3.74B
| $773K | ﹤0.01% |
107,316
+8,820
| +9% | +$63.5K |
|
529
VanEck Semiconductor ETF
SMH
$30.3B
| $769K | ﹤0.01% |
+3,422
| New | +$769K |
|
530
Vanguard High Dividend Yield ETF
VYM
$65B
| $767K | ﹤0.01% |
6,340
+3,854
| +155% | +$466K |
|
531
Cheesecake Factory
CAKE
$2.72B
| $764K | ﹤0.01% |
21,152
+13,154
| +164% | +$475K |
|
532
Taboola.com
TBLA
$1.04B
| $763K | ﹤0.01% |
171,970
+56,299
| +49% | +$250K |
|
533
Keysight
KEYS
$30.6B
| $762K | ﹤0.01% |
+4,876
| New | +$762K |
|
534
McDonald's
MCD
$216B
| $761K | ﹤0.01% |
+2,700
| New | +$761K |
|
535
Kyndryl
KD
$7.25B
| $758K | ﹤0.01% |
34,868
-25,301
| -42% | -$550K |
|
536
Manitowoc
MTW
$354M
| $756K | ﹤0.01% |
53,516
+52,690
| +6,379% | +$744K |
|
537
TechnipFMC
FTI
$16.2B
| $751K | ﹤0.01% |
+29,941
| New | +$751K |
|
538
Valkyrie ETF Trust II CoinShares Bitcoin Mining ETF
WGMI
$227M
| $747K | ﹤0.01% |
40,852
+24,338
| +147% | +$445K |
|
539
Broadridge
BR
$28.3B
| $737K | ﹤0.01% |
+3,602
| New | +$737K |
|
540
United States Copper Index Fund
CPER
$226M
| $737K | ﹤0.01% |
29,356
+7,293
| +33% | +$183K |
|
|
EVBG
541
DELISTED
Everbridge, Inc. Common Stock
EVBG
| $737K | ﹤0.01% |
+21,187
| New | +$737K |
|
542
The GEO Group
GEO
$3.09B
| $732K | ﹤0.01% |
+51,891
| New | +$732K |
|
543
Hippo Holdings
HIPO
$935M
| $728K | ﹤0.01% |
39,896
+39,881
| +265,873% | +$728K |
|
544
American Superconductor
AMSC
$2.78B
| $724K | ﹤0.01% |
+53,662
| New | +$724K |
|
545
IES Holdings
IESC
$7.53B
| $724K | ﹤0.01% |
+5,960
| New | +$724K |
|
546
Campbell Soup
CPB
$9.96B
| $723K | ﹤0.01% |
+16,272
| New | +$723K |
|
547
ZIM Integrated Shipping Services
ZIM
$1.73B
| $722K | ﹤0.01% |
71,391
-18,256
| -20% | -$185K |
|
|
SP
548
DELISTED
SP Plus Corporation
SP
| $718K | ﹤0.01% |
13,752
-3,400
| -20% | -$178K |
|
549
Soho House & Co
SHCO
$1.73B
| $716K | ﹤0.01% |
126,329
+86,164
| +215% | +$488K |
|
550
Oscar Health
OSCR
$4.9B
| $712K | ﹤0.01% |
47,913
-16,078
| -25% | -$239K |
|