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 |
Alibaba
BABA
|
$117M |
| 2 |
Alphabet (Google) Class A
GOOGL
|
$97.6M |
| 3 |
Walt Disney
DIS
|
$73.4M |
| 4 |
Citigroup
C
|
$45.8M |
| 5 |
KraneShares CSI China Internet ETF
KWEB
|
$41.5M |
Top Sells
| 1 |
iShares 20+ Year Treasury Bond ETF
TLT
|
$149M |
| 2 |
Amazon
AMZN
|
$107M |
| 3 |
SPDR Gold Trust
GLD
|
$58.6M |
| 4 |
Coinbase
COIN
|
$56.5M |
| 5 |
NVIDIA
NVDA
|
$48.2M |
Sector Composition
| 1 | Technology | 16.06% |
| 2 | Consumer Discretionary | 14.45% |
| 3 | Communication Services | 10.03% |
| 4 | Financials | 9.44% |
| 5 | Healthcare | 9.18% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
251
Novartis
NVS
$251B
| $2.49M | ﹤0.01% |
24,703
+15,728
| +175% | +$1.59M |
|
252
Ardelyx
ARDX
$1.57B
| $2.48M | ﹤0.01% |
400,679
+245,708
| +159% | +$1.52M |
|
253
Zoom
ZM
$25B
| $2.48M | ﹤0.01% |
34,533
-93,640
| -73% | -$6.73M |
|
254
ZTO Express
ZTO
$14.7B
| $2.48M | ﹤0.01% |
+116,641
| New | +$2.48M |
|
255
Roper Technologies
ROP
$55.8B
| $2.47M | ﹤0.01% |
+4,527
| New | +$2.47M |
|
256
Fidelity National Financial
FNF
$16.5B
| $2.44M | ﹤0.01% |
+47,803
| New | +$2.44M |
|
257
CoreCivic
CXW
$2.11B
| $2.42M | ﹤0.01% |
166,604
+12,595
| +8% | +$183K |
|
258
UBS Group
UBS
$128B
| $2.38M | ﹤0.01% |
77,055
-1,894
| -2% | -$58.5K |
|
259
Global X Uranium ETF
URA
$4.17B
| $2.38M | ﹤0.01% |
+85,841
| New | +$2.38M |
|
260
Corteva
CTVA
$49.1B
| $2.38M | ﹤0.01% |
49,574
+43,273
| +687% | +$2.07M |
|
261
Coherent
COHR
$15.2B
| $2.34M | ﹤0.01% |
53,807
-13,370
| -20% | -$582K |
|
262
3M
MMM
$82.7B
| $2.33M | ﹤0.01% |
25,537
-57,455
| -69% | -$5.25M |
|
263
British American Tobacco
BTI
$122B
| $2.25M | ﹤0.01% |
76,923
+2,443
| +3% | +$71.6K |
|
264
Frontline
FRO
$4.93B
| $2.25M | ﹤0.01% |
112,186
+67,605
| +152% | +$1.36M |
|
265
Viatris
VTRS
$12.2B
| $2.24M | ﹤0.01% |
206,580
+46,086
| +29% | +$499K |
|
266
Rocket Lab Corporation Common Stock
RKLB
$22.1B
| $2.22M | ﹤0.01% |
400,675
+258,251
| +181% | +$1.43M |
|
267
Aflac
AFL
$57.2B
| $2.16M | ﹤0.01% |
+26,134
| New | +$2.16M |
|
268
US Global Jets ETF
JETS
$839M
| $2.16M | ﹤0.01% |
+113,285
| New | +$2.16M |
|
269
Edwards Lifesciences
EW
$47.5B
| $2.13M | ﹤0.01% |
+27,983
| New | +$2.13M |
|
270
MoonLake Immunotherapeutics
MLTX
$3.77B
| $2.12M | ﹤0.01% |
+35,179
| New | +$2.12M |
|
271
Waste Management
WM
$88.6B
| $2.12M | ﹤0.01% |
11,848
-61,743
| -84% | -$11.1M |
|
272
Ball Corp
BALL
$13.9B
| $2.11M | ﹤0.01% |
+36,711
| New | +$2.11M |
|
273
Brunswick
BC
$4.35B
| $2.09M | ﹤0.01% |
21,625
+15,181
| +236% | +$1.47M |
|
274
Penumbra
PEN
$11B
| $2.09M | ﹤0.01% |
8,311
+2,060
| +33% | +$518K |
|
275
Marriott International Class A Common Stock
MAR
$71.9B
| $2.09M | ﹤0.01% |
+9,260
| New | +$2.09M |
|