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 |
Amazon
AMZN
|
+$102M |
| 2 |
TSMC
TSM
|
+$29.6M |
| 3 |
JPMorgan Chase
JPM
|
+$21.9M |
| 4 |
Boeing
BA
|
+$18.8M |
| 5 |
Target
TGT
|
+$13.5M |
Top Sells
| 1 |
SPDR Gold Trust
GLD
|
+$94.2M |
| 2 |
Tesla
TSLA
|
+$91.2M |
| 3 |
Invesco QQQ Trust
QQQ
|
+$81.5M |
| 4 |
NVIDIA
NVDA
|
+$60M |
| 5 |
iShares MSCI EAFE ETF
EFA
|
+$40.5M |
Sector Composition
| 1 | Consumer Discretionary | 21.73% |
| 2 | Technology | 16.48% |
| 3 | Healthcare | 9.06% |
| 4 | Financials | 8.3% |
| 5 | Communication Services | 7.51% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
276
Direxion Daily FTSE China Bull 3X Shares
YINN
$1.15B
| $1.21M | ﹤0.01% |
4,152
+326
| +9% | +$94.9K |
|
277
iShares China Large-Cap ETF
FXI
$6.83B
| $1.21M | ﹤0.01% |
+28,768
| New | +$1.21M |
|
278
Johnson Controls International
JCI
$69.6B
| $1.21M | ﹤0.01% |
+29,541
| New | +$1.21M |
|
|
HZNP
279
DELISTED
Horizon Therapeutics Public Limited Company Ordinary Shares
HZNP
| $1.2M | ﹤0.01% |
+15,451
| New | +$1.2M |
|
280
United Natural Foods
UNFI
$1.74B
| $1.2M | ﹤0.01% |
+80,658
| New | +$1.2M |
|
281
Trip.com Group
TCOM
$47.3B
| $1.2M | ﹤0.01% |
38,495
-170,339
| -82% | -$5.3M |
|
|
SDC
282
DELISTED
SmileDirectClub, Inc. Class A Common Stock
SDC
| $1.2M | ﹤0.01% |
102,551
+91,134
| +798% | +$1.06M |
|
|
KC
283
Kingsoft Cloud Holdings
KC
$4.42B
| $1.19M | ﹤0.01% |
+40,347
| New | +$1.19M |
|
284
Kellanova
K
$27.6B
| $1.17M | ﹤0.01% |
+19,354
| New | +$1.17M |
|
285
iQIYI
IQ
$2.69B
| $1.17M | ﹤0.01% |
51,790
+1,139
| +2% | +$25.7K |
|
286
Accenture
ACN
$157B
| $1.16M | ﹤0.01% |
+5,150
| New | +$1.16M |
|
287
Perrigo
PRGO
$3.07B
| $1.16M | ﹤0.01% |
25,267
+17,317
| +218% | +$795K |
|
288
CBRE Group
CBRE
$48.2B
| $1.15M | ﹤0.01% |
24,537
+9,256
| +61% | +$435K |
|
289
M&T Bank
MTB
$31.2B
| $1.15M | ﹤0.01% |
+12,496
| New | +$1.15M |
|
290
Sibanye-Stillwater
SBSW
$6.04B
| $1.15M | ﹤0.01% |
103,314
+21,265
| +26% | +$237K |
|
291
Franco-Nevada
FNV
$37.8B
| $1.15M | ﹤0.01% |
+8,206
| New | +$1.15M |
|
292
EPAM Systems
EPAM
$9.19B
| $1.14M | ﹤0.01% |
3,540
+2,420
| +216% | +$782K |
|
293
Sprouts Farmers Market
SFM
$13.3B
| $1.14M | ﹤0.01% |
+54,633
| New | +$1.14M |
|
294
Vipshop
VIPS
$8.72B
| $1.14M | ﹤0.01% |
+72,885
| New | +$1.14M |
|
295
Madrigal Pharmaceuticals
MDGL
$10B
| $1.14M | ﹤0.01% |
9,589
-20,347
| -68% | -$2.41M |
|
296
ARK Genomic Revolution ETF
ARKG
$1.04B
| $1.14M | ﹤0.01% |
+17,841
| New | +$1.14M |
|
|
MOMO
297
Hello Group
MOMO
$1.27B
| $1.14M | ﹤0.01% |
82,563
-97,848
| -54% | -$1.35M |
|
298
iShares MSCI Mexico ETF
EWW
$1.85B
| $1.14M | ﹤0.01% |
+34,027
| New | +$1.14M |
|
299
Snowflake
SNOW
$76.4B
| $1.14M | ﹤0.01% |
+4,525
| New | +$1.14M |
|
300
Estee Lauder
EL
$31.9B
| $1.13M | ﹤0.01% |
+5,160
| New | +$1.13M |
|