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
|
$186M |
| 2 |
iShares 20+ Year Treasury Bond ETF
TLT
|
$86.2M |
| 3 |
SPDR S&P 500 ETF Trust
SPY
|
$56.8M |
| 4 |
iShares Silver Trust
SLV
|
$42.9M |
| 5 |
Advanced Micro Devices
AMD
|
$36.5M |
Top Sells
| 1 |
Occidental Petroleum
OXY
|
$44.4M |
| 2 |
Financial Select Sector SPDR Fund
XLF
|
$42.8M |
| 3 |
Verizon
VZ
|
$40.8M |
| 4 |
Direxion Daily S&P 500 Bull 3x Shares
SPXL
|
$33.6M |
| 5 |
iShares China Large-Cap ETF
FXI
|
$33M |
Sector Composition
| 1 | Technology | 23.31% |
| 2 | Consumer Discretionary | 13.02% |
| 3 | Industrials | 8.24% |
| 4 | Healthcare | 7.47% |
| 5 | Financials | 6.38% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
276
Uranium Energy
UEC
$4.96B
| $2.2M | ﹤0.01% |
479,713
+435,242
| +979% | +$2M |
|
277
Twilio
TWLO
$16.7B
| $2.19M | ﹤0.01% |
13,283
-7,648
| -37% | -$1.26M |
|
278
Vistra
VST
$63.7B
| $2.19M | ﹤0.01% |
94,120
-1,805
| -2% | -$42K |
|
279
Vanguard Short-Term Inflation-Protected Securities Index Fund
VTIP
$15.7B
| $2.18M | ﹤0.01% |
42,518
-2,813
| -6% | -$144K |
|
280
Embraer
ERJ
$11.2B
| $2.17M | ﹤0.01% |
171,910
+68,370
| +66% | +$862K |
|
|
DM
281
DELISTED
Desktop Metal, Inc.
DM
| $2.15M | ﹤0.01% |
45,428
-5,395
| -11% | -$256K |
|
282
Oneok
OKE
$45.7B
| $2.15M | ﹤0.01% |
30,479
+10,476
| +52% | +$740K |
|
283
HubSpot
HUBS
$25.7B
| $2.14M | ﹤0.01% |
4,509
-8,606
| -66% | -$4.09M |
|
284
Truist Financial
TFC
$60B
| $2.13M | ﹤0.01% |
+37,588
| New | +$2.13M |
|
285
Oracle
ORCL
$654B
| $2.13M | ﹤0.01% |
+25,717
| New | +$2.13M |
|
286
Teucrium Wheat Fund
WEAT
$117M
| $2.13M | ﹤0.01% |
+215,739
| New | +$2.13M |
|
287
SPDR Portfolio S&P 1500 Composite Stock Market ETF
SPTM
$11B
| $2.12M | ﹤0.01% |
38,096
+2,936
| +8% | +$163K |
|
288
Novo Nordisk
NVO
$245B
| $2.1M | ﹤0.01% |
37,888
-10,408
| -22% | -$578K |
|
289
Global X Silver Miners ETF NEW
SIL
$2.92B
| $2.1M | ﹤0.01% |
57,759
+35,164
| +156% | +$1.28M |
|
290
NCR Voyix
VYX
$1.84B
| $2.09M | ﹤0.01% |
+84,861
| New | +$2.09M |
|
291
T-Mobile US
TMUS
$284B
| $2.09M | ﹤0.01% |
+16,291
| New | +$2.09M |
|
292
AMN Healthcare
AMN
$799M
| $2.08M | ﹤0.01% |
19,955
-6,452
| -24% | -$673K |
|
293
Albertsons Companies
ACI
$10.7B
| $2.07M | ﹤0.01% |
62,162
+60,689
| +4,120% | +$2.02M |
|
294
TJX Companies
TJX
$155B
| $2.07M | ﹤0.01% |
+34,111
| New | +$2.07M |
|
295
Jacobs Solutions
J
$17.4B
| $2.05M | ﹤0.01% |
+18,015
| New | +$2.05M |
|
|
AAWW
296
DELISTED
Atlas Air Worldwide Holdings, Inc.
AAWW
| $2.05M | ﹤0.01% |
23,761
-17,498
| -42% | -$1.51M |
|
297
Abercrombie & Fitch
ANF
$4.49B
| $2.04M | ﹤0.01% |
63,763
+963
| +2% | +$30.8K |
|
298
Skyworks Solutions
SWKS
$11.2B
| $2.03M | ﹤0.01% |
15,247
-6,999
| -31% | -$933K |
|
299
Alpha Metallurgical Resources
AMR
$1.91B
| $2.03M | ﹤0.01% |
15,369
+6,799
| +79% | +$897K |
|
300
BorgWarner
BWA
$9.53B
| $2.02M | ﹤0.01% |
+58,887
| New | +$2.02M |
|