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 | |
|---|---|---|---|---|---|---|
|
ALBO
351
DELISTED
Albireo Pharma, Inc. Common Stock
ALBO
| $919K | ﹤0.01% |
27,543
+20,180
| +274% | +$673K |
|
352
Baker Hughes
BKR
$45B
| $917K | ﹤0.01% |
69,061
+5,500
| +9% | +$73K |
|
353
United States 12 Month Oil Fund,
USL
$42.8M
| $917K | ﹤0.01% |
60,970
+14,499
| +31% | +$218K |
|
354
Invesco CurrencyShares Canadian Dollar Trust
FXC
$91.7M
| $913K | ﹤0.01% |
12,352
-27,022
| -69% | -$2M |
|
355
USA Compression Partners
USAC
$2.84B
| $913K | ﹤0.01% |
91,222
+91,022
| +45,511% | +$911K |
|
356
Chegg
CHGG
$169M
| $905K | ﹤0.01% |
12,673
+2,337
| +23% | +$167K |
|
|
VG
357
DELISTED
Vonage Holdings Corporation
VG
| $904K | ﹤0.01% |
88,375
+78,039
| +755% | +$798K |
|
358
Lumen
LUMN
$5.25B
| $896K | ﹤0.01% |
+88,897
| New | +$896K |
|
359
XPeng
XPEV
$19.7B
| $896K | ﹤0.01% |
+44,670
| New | +$896K |
|
360
ProShares VIX Mid-Term Futures ETF
VIXM
$41.1M
| $893K | ﹤0.01% |
+21,975
| New | +$893K |
|
|
API
361
Agora
API
$334M
| $885K | ﹤0.01% |
+20,614
| New | +$885K |
|
362
NXP Semiconductors
NXPI
$56.9B
| $884K | ﹤0.01% |
+7,088
| New | +$884K |
|
363
TEGNA Inc
TGNA
$3.38B
| $883K | ﹤0.01% |
75,164
+31,621
| +73% | +$371K |
|
364
Sempra
SRE
$51.8B
| $881K | ﹤0.01% |
14,888
-1,946
| -12% | -$115K |
|
365
Alamos Gold
AGI
$13.8B
| $875K | ﹤0.01% |
99,352
+87,977
| +773% | +$775K |
|
366
iShares MSCI Hong Kong ETF
EWH
$724M
| $875K | ﹤0.01% |
39,953
+1,200
| +3% | +$26.3K |
|
367
Cencora
COR
$57.7B
| $874K | ﹤0.01% |
+9,027
| New | +$874K |
|
368
Lincoln National
LNC
$7.9B
| $873K | ﹤0.01% |
27,892
+21,857
| +362% | +$684K |
|
369
Halozyme
HALO
$8.87B
| $870K | ﹤0.01% |
+33,127
| New | +$870K |
|
370
KraneShares CSI China Internet ETF
KWEB
$8.9B
| $870K | ﹤0.01% |
+12,761
| New | +$870K |
|
371
HealthEquity
HQY
$8.02B
| $856K | ﹤0.01% |
+16,670
| New | +$856K |
|
372
Suburban Propane Partners
SPH
$1.2B
| $851K | ﹤0.01% |
+52,307
| New | +$851K |
|
373
Alcon
ALC
$39.5B
| $845K | ﹤0.01% |
14,847
+10,713
| +259% | +$610K |
|
374
Alcoa
AA
$8.1B
| $843K | ﹤0.01% |
+72,505
| New | +$843K |
|
|
APHA
375
DELISTED
Aphria Inc. Common Shares
APHA
| $842K | ﹤0.01% |
190,202
-32,491
| -15% | -$144K |
|