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 |
iShares 20+ Year Treasury Bond ETF
TLT
|
$278M |
| 2 |
Alphabet (Google) Class A
GOOGL
|
$84.4M |
| 3 |
NVIDIA
NVDA
|
$76.9M |
| 4 |
TSMC
TSM
|
$74.9M |
| 5 |
Amazon
AMZN
|
$53.5M |
Top Sells
| 1 |
Apple
AAPL
|
$497M |
| 2 |
Strategy Inc Common Stock Class A
MSTR
|
$73.7M |
| 3 |
Alibaba
BABA
|
$49M |
| 4 |
Advanced Micro Devices
AMD
|
$48.1M |
| 5 |
Uber
UBER
|
$41.8M |
Sector Composition
| 1 | Technology | 22.9% |
| 2 | Consumer Discretionary | 12.26% |
| 3 | Healthcare | 9.52% |
| 4 | Communication Services | 8.42% |
| 5 | Financials | 7.07% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
276
Wingstop
WING
$8.65B
| $1.46M | ﹤0.01% |
+6,457
| New | +$1.46M |
|
277
Kodak
KODK
$477M
| $1.45M | ﹤0.01% |
230,148
-119,232
| -34% | -$753K |
|
278
Applied Digital
APLD
$3.64B
| $1.45M | ﹤0.01% |
+257,587
| New | +$1.45M |
|
279
Energy Fuels
UUUU
$2.67B
| $1.44M | ﹤0.01% |
387,239
+216,320
| +127% | +$807K |
|
280
Match Group
MTCH
$9.18B
| $1.44M | ﹤0.01% |
+46,194
| New | +$1.44M |
|
281
Life Time Group Holdings
LTH
$6.38B
| $1.43M | ﹤0.01% |
47,333
+44,946
| +1,883% | +$1.36M |
|
282
Rapid7
RPD
$1.32B
| $1.42M | ﹤0.01% |
+53,718
| New | +$1.42M |
|
283
Global E Online
GLBE
$6.07B
| $1.41M | ﹤0.01% |
39,594
+38,438
| +3,325% | +$1.37M |
|
284
Alliance Resource Partners
ARLP
$2.94B
| $1.4M | ﹤0.01% |
51,332
+36,715
| +251% | +$1M |
|
285
Hercules Capital
HTGC
$3.49B
| $1.4M | ﹤0.01% |
+72,854
| New | +$1.4M |
|
286
First Majestic Silver
AG
$4.47B
| $1.39M | ﹤0.01% |
208,401
-54,791
| -21% | -$366K |
|
287
NexGen Energy
NXE
$4.46B
| $1.39M | ﹤0.01% |
309,958
+164,271
| +113% | +$737K |
|
288
Canadian Solar
CSIQ
$748M
| $1.39M | ﹤0.01% |
160,473
-99,304
| -38% | -$859K |
|
289
Vanguard Long-Term Treasury ETF
VGLT
$10B
| $1.39M | ﹤0.01% |
24,046
+11,704
| +95% | +$674K |
|
290
fuboTV
FUBO
$1.37B
| $1.38M | ﹤0.01% |
474,073
+285,437
| +151% | +$833K |
|
|
XIFR
291
XPLR Infrastructure, LP
XIFR
$976M
| $1.38M | ﹤0.01% |
145,341
+41,812
| +40% | +$397K |
|
292
Comerica
CMA
$8.85B
| $1.37M | ﹤0.01% |
23,232
+16,021
| +222% | +$946K |
|
293
Boot Barn
BOOT
$5.58B
| $1.37M | ﹤0.01% |
+12,731
| New | +$1.37M |
|
294
Acadia Pharmaceuticals
ACAD
$4.26B
| $1.36M | ﹤0.01% |
81,949
+71,406
| +677% | +$1.19M |
|
295
Abercrombie & Fitch
ANF
$4.49B
| $1.36M | ﹤0.01% |
+17,823
| New | +$1.36M |
|
296
FTI Consulting
FCN
$5.46B
| $1.35M | ﹤0.01% |
+8,228
| New | +$1.35M |
|
297
Corebridge Financial
CRBG
$18.1B
| $1.34M | ﹤0.01% |
42,476
+6,799
| +19% | +$214K |
|
298
AerCap
AER
$22B
| $1.34M | ﹤0.01% |
13,076
+2,995
| +30% | +$306K |
|
299
Align Technology
ALGN
$10.1B
| $1.33M | ﹤0.01% |
+8,350
| New | +$1.33M |
|
300
Hecla Mining
HL
$6.04B
| $1.32M | ﹤0.01% |
237,861
-146,423
| -38% | -$814K |
|