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 | |
|---|---|---|---|---|---|---|
376
BJ's Restaurants
BJRI
$658M
| $1.35M | ﹤0.01% |
37,353
-469
| -1% | -$17K |
|
377
Crown Castle
CCI
$40.8B
| $1.35M | ﹤0.01% |
12,739
+8,974
| +238% | +$950K |
|
378
Regal Rexnord
RRX
$9.52B
| $1.35M | ﹤0.01% |
7,473
+3,043
| +69% | +$548K |
|
379
Enovix
ENVX
$2.2B
| $1.34M | ﹤0.01% |
+191,897
| New | +$1.34M |
|
380
Landstar System
LSTR
$4.32B
| $1.33M | ﹤0.01% |
+6,912
| New | +$1.33M |
|
381
Nokia
NOK
$25.5B
| $1.33M | ﹤0.01% |
374,675
+148,590
| +66% | +$526K |
|
382
Zillow
ZG
$20.3B
| $1.32M | ﹤0.01% |
+27,670
| New | +$1.32M |
|
383
FTAI Aviation
FTAI
$18.3B
| $1.31M | ﹤0.01% |
+19,501
| New | +$1.31M |
|
384
Palo Alto Networks
PANW
$139B
| $1.31M | ﹤0.01% |
+9,192
| New | +$1.31M |
|
385
Uber
UBER
$205B
| $1.31M | ﹤0.01% |
+16,951
| New | +$1.31M |
|
386
HSBC
HSBC
$241B
| $1.3M | ﹤0.01% |
+33,154
| New | +$1.3M |
|
387
WisdomTree Japan Hedged Equity Fund
DXJ
$3.83B
| $1.3M | ﹤0.01% |
+12,008
| New | +$1.3M |
|
388
Urban Outfitters
URBN
$6.41B
| $1.3M | ﹤0.01% |
+29,991
| New | +$1.3M |
|
389
Semtech
SMTC
$5.28B
| $1.3M | ﹤0.01% |
47,278
+41,742
| +754% | +$1.15M |
|
390
Xcel Energy
XEL
$42.6B
| $1.3M | ﹤0.01% |
24,138
+11,578
| +92% | +$622K |
|
|
CTLT
391
DELISTED
CATALENT, INC.
CTLT
| $1.3M | ﹤0.01% |
22,963
+10,594
| +86% | +$598K |
|
392
NRG Energy
NRG
$31.8B
| $1.28M | ﹤0.01% |
+18,943
| New | +$1.28M |
|
393
Petrobras
PBR
$81.3B
| $1.28M | ﹤0.01% |
+84,118
| New | +$1.28M |
|
394
Payoneer
PAYO
$2.37B
| $1.28M | ﹤0.01% |
263,148
+250,940
| +2,056% | +$1.22M |
|
395
Southwest Airlines
LUV
$17.1B
| $1.27M | ﹤0.01% |
+43,521
| New | +$1.27M |
|
396
PBF Energy
PBF
$3.49B
| $1.27M | ﹤0.01% |
21,976
-82,679
| -79% | -$4.76M |
|
397
NOV
NOV
$4.69B
| $1.25M | ﹤0.01% |
+64,131
| New | +$1.25M |
|
398
2x Bitcoin Strategy ETF
BITX
$2.42B
| $1.25M | ﹤0.01% |
23,408
+20,616
| +738% | +$1.1M |
|
399
Rocket Companies
RKT
$43.2B
| $1.25M | ﹤0.01% |
85,610
+53,410
| +166% | +$777K |
|
400
Medpace
MEDP
$14B
| $1.24M | ﹤0.01% |
3,078
+2,558
| +492% | +$1.03M |
|