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 |
NVIDIA
NVDA
|
+$216M |
| 2 |
Apple
AAPL
|
+$159M |
| 3 |
Broadcom
AVGO
|
+$128M |
| 4 |
Booking.com
BKNG
|
+$62.2M |
| 5 |
SPDR S&P 500 ETF Trust
SPY
|
+$61.9M |
Top Sells
| 1 |
iShares 20+ Year Treasury Bond ETF
TLT
|
+$141M |
| 2 |
Amazon
AMZN
|
+$53.1M |
| 3 |
TSMC
TSM
|
+$45.7M |
| 4 |
Netflix
NFLX
|
+$45.3M |
| 5 |
Pfizer
PFE
|
+$38.3M |
Sector Composition
| 1 | Technology | 34.74% |
| 2 | Communication Services | 9% |
| 3 | Consumer Discretionary | 8.67% |
| 4 | Healthcare | 8.07% |
| 5 | Financials | 6.4% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
1401
Amplify Alternative Harvest ETF
MJ
$171M
| $51K | ﹤0.01% |
2,858
+1,264
| +79% | +$22.6K |
|
1402
SiTime
SITM
$6.76B
| $51K | ﹤0.01% |
+242
| New | +$51K |
|
1403
Sun Country Airlines
SNCY
$728M
| $51K | ﹤0.01% |
+4,415
| New | +$51K |
|
|
UBRL
1404
GraniteShares 2x Long UBER Daily ETF
UBRL
$35.6M
| $51K | ﹤0.01% |
+1,556
| New | +$51K |
|
|
CLDT
1405
Chatham Lodging
CLDT
$348M
| $50K | ﹤0.01% |
+7,297
| New | +$50K |
|
1406
Vita Coco
COCO
$2.25B
| $50K | ﹤0.01% |
1,405
-4,475
| -76% | -$159K |
|
1407
Collegium Pharmaceutical
COLL
$1.18B
| $50K | ﹤0.01% |
1,715
+56
| +3% | +$1.63K |
|
1408
HF Sinclair
DINO
$9.56B
| $50K | ﹤0.01% |
1,236
-28,800
| -96% | -$1.17M |
|
1409
DXC Technology
DXC
$2.51B
| $50K | ﹤0.01% |
3,299
-51,613
| -94% | -$782K |
|
|
OCFT
1410
OneConnect Financial Technology
OCFT
$281M
| $50K | ﹤0.01% |
7,024
+3,712
| +112% | +$26.4K |
|
1411
Peoples Bancorp
PEBO
$1.08B
| $50K | ﹤0.01% |
1,647
-193
| -10% | -$5.86K |
|
1412
BrightSpring Health Services
BTSG
$4.69B
| $50K | ﹤0.01% |
2,139
-6,369
| -75% | -$149K |
|
1413
Brookfield Infrastructure
BIPC
$4.76B
| $49K | ﹤0.01% |
+1,189
| New | +$49K |
|
1414
Diageo
DEO
$56.5B
| $49K | ﹤0.01% |
493
-13,985
| -97% | -$1.39M |
|
1415
Jefferies Financial Group
JEF
$13.7B
| $49K | ﹤0.01% |
910
-6,485
| -88% | -$349K |
|
1416
Lexicon Pharmaceuticals
LXRX
$418M
| $49K | ﹤0.01% |
52,680
-122,302
| -70% | -$114K |
|
1417
SurgePays
SURG
$58.6M
| $49K | ﹤0.01% |
15,827
-2,870
| -15% | -$8.89K |
|
1418
Ambev
ABEV
$35.9B
| $48K | ﹤0.01% |
19,969
-142,254
| -88% | -$342K |
|
|
API
1419
Agora
API
$343M
| $48K | ﹤0.01% |
12,620
-7,531
| -37% | -$28.6K |
|
|
CMCM
1420
Cheetah Mobile
CMCM
$252M
| $48K | ﹤0.01% |
10,327
+9,871
| +2,165% | +$45.9K |
|
|
CRON
1421
Cronos Group
CRON
$969M
| $48K | ﹤0.01% |
+25,222
| New | +$48K |
|
1422
CXApp
CXAI
$17.9M
| $48K | ﹤0.01% |
45,034
+42,792
| +1,909% | +$45.6K |
|
1423
IDT Corp
IDT
$1.67B
| $48K | ﹤0.01% |
716
+206
| +40% | +$13.8K |
|
1424
Klaviyo
KVYO
$9.36B
| $48K | ﹤0.01% |
+1,454
| New | +$48K |
|
1425
MakeMyTrip
MMYT
$9.31B
| $48K | ﹤0.01% |
492
-6,171
| -93% | -$602K |
|