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
|
+$32.1M |
| 2 |
Bausch Health
BHC
|
+$18.4M |
| 3 |
GMCR
KEURIG GREEN MTN INC
GMCR
|
+$17.9M |
| 4 |
Chipotle Mexican Grill
CMG
|
+$14.9M |
| 5 |
Amazon
AMZN
|
+$13M |
Top Sells
| 1 |
iShares Russell 2000 ETF
IWM
|
+$27.5M |
| 2 |
SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$13.7M |
| 3 |
iShares 20+ Year Treasury Bond ETF
TLT
|
+$12.1M |
| 4 |
Netflix
NFLX
|
+$10.7M |
| 5 |
iShares MSCI Emerging Markets ETF
EEM
|
+$10.7M |
Sector Composition
| 1 | Consumer Discretionary | 17.29% |
| 2 | Healthcare | 13.74% |
| 3 | Technology | 12.76% |
| 4 | Communication Services | 12.12% |
| 5 | Industrials | 10.49% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
301
Equifax
EFX
$32.1B
| $378K | 0.03% |
3,397
+3,341
| +5,966% | +$372K |
|
302
Williams-Sonoma
WSM
$24.3B
| $378K | 0.03% |
+12,958
| New | +$378K |
|
303
KKR & Co
KKR
$133B
| $371K | 0.03% |
23,849
+17,091
| +253% | +$266K |
|
304
Travelers Companies
TRV
$62.6B
| $370K | 0.03% |
3,284
-3,862
| -54% | -$435K |
|
305
MakeMyTrip
MMYT
$9.45B
| $368K | 0.03% |
21,493
+12,833
| +148% | +$220K |
|
306
Photronics
PLAB
$1.47B
| $367K | 0.03% |
+29,488
| New | +$367K |
|
|
PTLA
307
DELISTED
Portola Pharmaceuticals, Inc.
PTLA
| $365K | 0.03% |
+7,098
| New | +$365K |
|
308
Xtrackers Harvest CSI 300 China A-Shares ETF
ASHR
$2.29B
| $364K | 0.03% |
+13,037
| New | +$364K |
|
309
Papa John's
PZZA
$1.5B
| $361K | 0.03% |
6,471
+4,433
| +218% | +$247K |
|
|
DNKN
310
DELISTED
Dunkin' Brands Group, Inc.
DNKN
| $358K | 0.03% |
8,426
+3,006
| +55% | +$128K |
|
311
World Acceptance Corp
WRLD
$954M
| $356K | 0.03% |
9,597
+8,988
| +1,476% | +$333K |
|
312
Accenture
ACN
$149B
| $352K | 0.03% |
+3,375
| New | +$352K |
|
313
Direxion Daily Technology Bull 3x Shares
TECL
$3.97B
| $352K | 0.03% |
+96,720
| New | +$352K |
|
314
Emerson Electric
EMR
$74.2B
| $349K | 0.03% |
7,310
-17,775
| -71% | -$849K |
|
315
Consolidated Edison
ED
$34.7B
| $348K | 0.03% |
5,415
-745
| -12% | -$47.9K |
|
316
VanEck Junior Gold Miners ETF
GDXJ
$7.33B
| $348K | 0.03% |
+18,125
| New | +$348K |
|
|
CBPO
317
DELISTED
China Biologic Products Holdings, Inc.
CBPO
| $348K | 0.03% |
2,445
+1,663
| +213% | +$237K |
|
318
EQT Corp
EQT
$30.8B
| $345K | 0.03% |
12,163
+7,543
| +163% | +$214K |
|
|
HMIN
319
DELISTED
HOMEINNS HOTEL GROUP SPONSORED ADR
HMIN
| $345K | 0.03% |
+10,108
| New | +$345K |
|
|
EJ
320
DELISTED
E HOUSE (CHINA) HOLDINGS LIMITED
EJ
| $344K | 0.03% |
54,774
+46,232
| +541% | +$290K |
|
|
HEES
321
DELISTED
H&E Equipment Services
HEES
| $343K | 0.03% |
19,675
+17,874
| +992% | +$312K |
|
322
Synaptics
SYNA
$2.87B
| $343K | 0.03% |
+4,279
| New | +$343K |
|
323
Albemarle
ALB
$9.52B
| $340K | 0.03% |
+6,085
| New | +$340K |
|
324
Standex International
SXI
$2.6B
| $339K | 0.03% |
4,086
+1,386
| +51% | +$115K |
|
|
FMI
325
DELISTED
Foundation Medicine, Inc.
FMI
| $336K | 0.03% |
15,983
+9,344
| +141% | +$196K |
|