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 | +$278M | |
| 2 | +$84.4M | |
| 3 | +$76.9M | |
| 4 |
TSMC
TSM
|
+$74.9M |
| 5 |
Amazon
AMZN
|
+$53.5M |
Top Sells
| 1 | +$497M | |
| 2 | +$73.7M | |
| 3 | +$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 |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
276
Wingstop
WING
$7.03B
| $1.46M | ﹤0.01% |
+6,457
|
|
||
277
Kodak
KODK
$477M
| $1.45M | ﹤0.01% |
230,148
-119,232
|
|
||
278
Applied Digital
APLD
$9.25B
| $1.45M | ﹤0.01% |
+257,587
|
|
||
279
Energy Fuels
UUUU
$3.85B
| $1.44M | ﹤0.01% |
387,239
+216,320
|
|
||
280
Match Group
MTCH
$7.99B
| $1.44M | ﹤0.01% |
+46,194
|
|
||
281
Life Time Group Holdings
LTH
$5.6B
| $1.43M | ﹤0.01% |
47,333
+44,946
|
|
||
282
Rapid7
RPD
$923M
| $1.42M | ﹤0.01% |
+53,718
|
|
||
283
Global E Online
GLBE
$6.17B
| $1.41M | ﹤0.01% |
39,594
+38,438
|
|
||
284
Alliance Resource Partners
ARLP
$3.18B
| $1.4M | ﹤0.01% |
51,332
+36,715
|
|
||
285
Hercules Capital
HTGC
$3.29B
| $1.4M | ﹤0.01% |
+72,854
|
|
||
286
First Majestic Silver
AG
$5.23B
| $1.39M | ﹤0.01% |
208,401
-54,791
|
|
||
287
NexGen Energy
NXE
$5.72B
| $1.39M | ﹤0.01% |
309,958
+164,271
|
|
||
288
Canadian Solar
CSIQ
$1.67B
| $1.39M | ﹤0.01% |
160,473
-99,304
|
|
||
289
Vanguard Long-Term Treasury ETF
VGLT
$10.1B
| $1.39M | ﹤0.01% |
24,046
+11,704
|
|
||
290
FuboTV Inc.
FUBO
$5.27B
| $1.38M | ﹤0.01% |
474,073
+285,437
|
|
||
|
XIFR
291
XPLR Infrastructure LP
XIFR
$850M
| $1.38M | ﹤0.01% |
145,341
+41,812
|
|
||
292
Comerica
CMA
$9.99B
| $1.37M | ﹤0.01% |
23,232
+16,021
|
|
||
293
Boot Barn
BOOT
$5.71B
| $1.37M | ﹤0.01% |
+12,731
|
|
||
294
Acadia Pharmaceuticals
ACAD
$3.77B
| $1.36M | ﹤0.01% |
81,949
+71,406
|
|
||
295
Abercrombie & Fitch
ANF
$3.31B
| $1.36M | ﹤0.01% |
+17,823
|
|
||
296
FTI Consulting
FCN
$5.15B
| $1.35M | ﹤0.01% |
+8,228
|
|
||
297
Corebridge Financial
CRBG
$15.8B
| $1.34M | ﹤0.01% |
42,476
+6,799
|
|
||
298
AerCap
AER
$22.7B
| $1.33M | ﹤0.01% |
13,076
+2,995
|
|
||
299
Align Technology
ALGN
$9.95B
| $1.33M | ﹤0.01% |
+8,350
|
|
||
300
Hecla Mining
HL
$8.11B
| $1.32M | ﹤0.01% |
237,861
-146,423
|
|