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
|
$45.7M |
| 2 |
Walmart
WMT
|
$45.2M |
| 3 |
VanEck Oil Services ETF
OIH
|
$34.2M |
| 4 |
iShares 20+ Year Treasury Bond ETF
TLT
|
$33.2M |
| 5 |
Citigroup
C
|
$32.7M |
Top Sells
| 1 |
Amazon
AMZN
|
$164M |
| 2 |
Invesco QQQ Trust
QQQ
|
$111M |
| 3 |
NVIDIA
NVDA
|
$77.7M |
| 4 |
Meta Platforms (Facebook)
META
|
$60.9M |
| 5 |
Procter & Gamble
PG
|
$38.8M |
Sector Composition
| 1 | Technology | 21.73% |
| 2 | Consumer Discretionary | 10.23% |
| 3 | Healthcare | 8.76% |
| 4 | Industrials | 7.59% |
| 5 | Communication Services | 6.56% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
326
TG Therapeutics
TGTX
$5.11B
| $1.06M | ﹤0.01% |
70,670
-205,114
| -74% | -$3.08M |
|
327
Calumet Specialty Products
CLMT
$1.55B
| $1.05M | ﹤0.01% |
60,159
+25,153
| +72% | +$437K |
|
328
iShares MSCI India ETF
INDA
$9.26B
| $1.04M | ﹤0.01% |
+26,524
| New | +$1.04M |
|
329
iPath Series B S&P 500 VIX Short-Term Futures ETN
VXX
$256M
| $1.04M | ﹤0.01% |
5,806
-18,277
| -76% | -$3.28M |
|
|
WW
330
DELISTED
WW International
WW
| $1.04M | ﹤0.01% |
252,212
+251,408
| +31,270% | +$1.04M |
|
331
TAL Education Group
TAL
$6.17B
| $1.04M | ﹤0.01% |
161,477
+55,902
| +53% | +$358K |
|
332
NCR Voyix
VYX
$1.84B
| $1.04M | ﹤0.01% |
71,541
+18,809
| +36% | +$272K |
|
333
Whirlpool
WHR
$5.28B
| $1.02M | ﹤0.01% |
+7,747
| New | +$1.02M |
|
334
Aclaris Therapeutics
ACRS
$227M
| $1.02M | ﹤0.01% |
125,627
+125,534
| +134,983% | +$1.02M |
|
335
FirstEnergy
FE
$25.1B
| $1.01M | ﹤0.01% |
25,301
+17,849
| +240% | +$715K |
|
|
RAM
336
DELISTED
Aries I Acquisition Corporation Class A Ordinary Share
RAM
| $1.01M | ﹤0.01% |
96,296
-1,200
| -1% | -$12.5K |
|
337
Garmin
GRMN
$45.7B
| $1.01M | ﹤0.01% |
9,976
+3,875
| +64% | +$391K |
|
338
Direxion Daily FTSE China Bear 3X Shares
YANG
$185M
| $1M | ﹤0.01% |
+5,377
| New | +$1M |
|
339
Vanguard FTSE Emerging Markets ETF
VWO
$97.2B
| $1M | ﹤0.01% |
24,785
-26,064
| -51% | -$1.05M |
|
|
LSXMK
340
DELISTED
Liberty Media Corporation Series C Liberty SiriusXM Common Stock
LSXMK
| $996K | ﹤0.01% |
+45,953
| New | +$996K |
|
341
Algoma Steel
ASTL
$538M
| $991K | ﹤0.01% |
122,717
+116,701
| +1,940% | +$942K |
|
342
BILL Holdings
BILL
$5.24B
| $986K | ﹤0.01% |
12,158
-12,843
| -51% | -$1.04M |
|
343
CVR Partners
UAN
$930M
| $983K | ﹤0.01% |
+11,024
| New | +$983K |
|
344
SSR Mining
SSRM
$4.28B
| $982K | ﹤0.01% |
65,009
+36,728
| +130% | +$555K |
|
345
EQT Corp
EQT
$32.2B
| $968K | ﹤0.01% |
30,346
-55,142
| -65% | -$1.76M |
|
346
Asana
ASAN
$3.18B
| $967K | ﹤0.01% |
45,766
+19,919
| +77% | +$421K |
|
347
Cognyte Software
CGNT
$657M
| $966K | ﹤0.01% |
285,151
-18,230
| -6% | -$61.8K |
|
348
Sotera Health
SHC
$4.44B
| $965K | ﹤0.01% |
53,913
+37,497
| +228% | +$671K |
|
349
Rogers Corp
ROG
$1.43B
| $964K | ﹤0.01% |
5,900
| – | – |
|
|
EXE
350
Expand Energy Corporation Common Stock
EXE
$22.7B
| $961K | ﹤0.01% |
+12,650
| New | +$961K |
|