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 | |
|---|---|---|---|---|---|---|
376
Vertex Pharmaceuticals
VRTX
$99.3B
| $279K | 0.02% |
2,223
-940
| -30% | -$118K |
|
|
SPNC
377
DELISTED
Spectranetics Corp
SPNC
| $279K | 0.02% |
18,537
+4,269
| +30% | +$64.3K |
|
378
ASML
ASML
$364B
| $278K | 0.02% |
3,138
-2,362
| -43% | -$209K |
|
379
Franco-Nevada
FNV
$39.1B
| $278K | 0.02% |
+6,092
| New | +$278K |
|
380
ATI
ATI
$11.1B
| $272K | 0.02% |
24,244
-1,691
| -7% | -$19K |
|
|
HNGR
381
DELISTED
Hanger Inc.
HNGR
| $271K | 0.02% |
16,530
+13,105
| +383% | +$215K |
|
382
ProShares Ultra Gold
UGL
$743M
| $270K | 0.02% |
36,408
+27,452
| +307% | +$204K |
|
|
DF
383
DELISTED
Dean Foods Company
DF
| $269K | 0.02% |
+15,690
| New | +$269K |
|
384
NGL Energy Partners
NGL
$890M
| $268K | 0.02% |
24,355
+23,730
| +3,797% | +$261K |
|
385
Danaher
DHR
$140B
| $267K | 0.02% |
4,288
-3,535
| -45% | -$220K |
|
386
KB Home
KBH
$4.42B
| $266K | 0.02% |
21,625
+3,205
| +17% | +$39.4K |
|
|
DD
387
DELISTED
Du Pont De Nemours E I
DD
| $266K | 0.02% |
4,000
-17,543
| -81% | -$1.17M |
|
|
OCAT
388
DELISTED
OCATA THERAPEUTICS, INC. COMMON STOCK
OCAT
| $266K | 0.02% |
+31,700
| New | +$266K |
|
|
BBL
389
DELISTED
BHP Group Plc American Depositary Shares (Each representing two Ordinary Shares)
BBL
| $266K | 0.02% |
+11,778
| New | +$266K |
|
390
Liberty Global Class A
LBTYA
$4.06B
| $265K | 0.02% |
+7,179
| New | +$265K |
|
391
Akamai
AKAM
$11B
| $264K | 0.02% |
5,022
+1,484
| +42% | +$78K |
|
392
Ambac
AMBC
$424M
| $264K | 0.02% |
18,777
+2,583
| +16% | +$36.3K |
|
393
TC Energy
TRP
$54.8B
| $263K | 0.02% |
+8,082
| New | +$263K |
|
394
UBS Group
UBS
$132B
| $263K | 0.02% |
+13,582
| New | +$263K |
|
395
iShares Core S&P Small-Cap ETF
IJR
$87.1B
| $262K | 0.02% |
4,760
-6,968
| -59% | -$384K |
|
396
Vanguard Mid-Cap ETF
VO
$88.4B
| $262K | 0.02% |
2,189
+2,188
| +218,800% | +$262K |
|
397
Stellantis
STLA
$28.7B
| $261K | 0.02% |
28,676
+2,292
| +9% | +$20.9K |
|
398
Trane Technologies
TT
$89.4B
| $261K | 0.02% |
4,722
+3,674
| +351% | +$203K |
|
|
CZR
399
DELISTED
Caesars Entertainment Corporation
CZR
| $260K | 0.02% |
32,983
+31,983
| +3,198% | +$252K |
|
400
Marsh & McLennan
MMC
$96.4B
| $259K | 0.02% |
4,675
-1,467
| -24% | -$81.3K |
|