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 |
Amazon
AMZN
|
+$102M |
| 2 |
TSMC
TSM
|
+$29.6M |
| 3 |
JPMorgan Chase
JPM
|
+$21.9M |
| 4 |
Boeing
BA
|
+$18.8M |
| 5 |
Target
TGT
|
+$13.5M |
Top Sells
| 1 |
SPDR Gold Trust
GLD
|
+$94.2M |
| 2 |
Tesla
TSLA
|
+$91.2M |
| 3 |
Invesco QQQ Trust
QQQ
|
+$81.5M |
| 4 |
NVIDIA
NVDA
|
+$60M |
| 5 |
iShares MSCI EAFE ETF
EFA
|
+$40.5M |
Sector Composition
| 1 | Consumer Discretionary | 21.73% |
| 2 | Technology | 16.48% |
| 3 | Healthcare | 9.06% |
| 4 | Financials | 8.3% |
| 5 | Communication Services | 7.51% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
426
Consolidated Edison
ED
$35B
| $707K | ﹤0.01% |
9,097
+5,828
| +178% | +$453K |
|
|
RP
427
DELISTED
RealPage, Inc.
RP
| $707K | ﹤0.01% |
12,270
+6,537
| +114% | +$377K |
|
|
FRC
428
DELISTED
First Republic Bank
FRC
| $703K | ﹤0.01% |
+6,451
| New | +$703K |
|
429
Invesco DB Commodity Index Tracking Fund
DBC
$1.27B
| $698K | ﹤0.01% |
53,478
+23,978
| +81% | +$313K |
|
430
e.l.f. Beauty
ELF
$7.88B
| $697K | ﹤0.01% |
37,982
-11,721
| -24% | -$215K |
|
431
Emergent Biosolutions
EBS
$441M
| $694K | ﹤0.01% |
6,723
+1,494
| +29% | +$154K |
|
432
Henry Schein
HSIC
$8.2B
| $691K | ﹤0.01% |
11,757
+6,882
| +141% | +$404K |
|
433
Trade Desk
TTD
$25.6B
| $691K | ﹤0.01% |
13,320
-127,120
| -91% | -$6.59M |
|
434
Fomento Económico Mexicano
FMX
$30.1B
| $688K | ﹤0.01% |
+12,254
| New | +$688K |
|
435
Alerian MLP ETF
AMLP
$10.5B
| $683K | ﹤0.01% |
34,195
+34,095
| +34,095% | +$681K |
|
436
Esperion Therapeutics
ESPR
$512M
| $683K | ﹤0.01% |
18,384
-1,027
| -5% | -$38.2K |
|
437
VanEck Video Gaming and eSports ETF
ESPO
$461M
| $681K | ﹤0.01% |
11,070
+9,713
| +716% | +$598K |
|
438
Frontline
FRO
$5.01B
| $679K | ﹤0.01% |
104,515
+85,291
| +444% | +$554K |
|
|
PTR
439
DELISTED
PETROCHINA COMPANY LIMITED ADS (REP 100 H SHARES)
PTR
| $678K | ﹤0.01% |
23,052
+16,332
| +243% | +$480K |
|
440
Alkermes
ALKS
$4.7B
| $677K | ﹤0.01% |
40,877
-39,864
| -49% | -$660K |
|
441
Bandwidth Inc
BAND
$473M
| $677K | ﹤0.01% |
3,879
+3,766
| +3,333% | +$657K |
|
442
ProShares Short Dow30
DOG
$122M
| $676K | ﹤0.01% |
15,449
+5,895
| +62% | +$258K |
|
443
Nice
NICE
$8.85B
| $670K | ﹤0.01% |
+2,953
| New | +$670K |
|
|
STOR
444
DELISTED
STORE Capital Corporation
STOR
| $666K | ﹤0.01% |
+24,289
| New | +$666K |
|
445
Amgen
AMGN
$151B
| $663K | ﹤0.01% |
2,609
+1,870
| +253% | +$475K |
|
446
Clearwater Paper
CLW
$355M
| $659K | ﹤0.01% |
17,383
-2,844
| -14% | -$108K |
|
|
GAP
447
The Gap, Inc.
GAP
$8.94B
| $658K | ﹤0.01% |
38,652
-124,107
| -76% | -$2.11M |
|
448
Boise Cascade
BCC
$3.32B
| $657K | ﹤0.01% |
16,478
+16,417
| +26,913% | +$655K |
|
449
Cytokinetics
CYTK
$6.16B
| $655K | ﹤0.01% |
30,296
+27,658
| +1,048% | +$598K |
|
450
Dollar General
DG
$23B
| $651K | ﹤0.01% |
+3,109
| New | +$651K |
|