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 | |
|---|---|---|---|---|---|---|
526
Direxion Daily Gold Miners Index Bear 2X Shares
DUST
$52.4M
| $692K | ﹤0.01% |
+28,076
| New | +$692K |
|
527
Merus
MRUS
$5.16B
| $689K | ﹤0.01% |
+13,100
| New | +$689K |
|
528
Lithia Motors
LAD
$8.52B
| $687K | ﹤0.01% |
2,034
+1,628
| +401% | +$550K |
|
529
A2Z Smart Technologies
AZ
$312M
| $684K | ﹤0.01% |
64,753
+58,816
| +991% | +$621K |
|
530
National Vision
EYE
$2.13B
| $677K | ﹤0.01% |
29,436
+9,480
| +48% | +$218K |
|
531
AdvisorShares Pure US Cannabis ETF
MSOS
$791M
| $668K | ﹤0.01% |
277,331
-34,078
| -11% | -$82.1K |
|
532
dLocal
DLO
$4.4B
| $658K | ﹤0.01% |
+58,025
| New | +$658K |
|
533
Vanguard High Dividend Yield ETF
VYM
$65B
| $656K | ﹤0.01% |
4,927
-2,659
| -35% | -$354K |
|
534
AMC Networks
AMCX
$364M
| $645K | ﹤0.01% |
103,005
+83,350
| +424% | +$522K |
|
535
Hawaiian Electric Industries
HE
$2.04B
| $645K | ﹤0.01% |
60,747
+52,983
| +682% | +$563K |
|
536
Ameriprise Financial
AMP
$46.1B
| $644K | ﹤0.01% |
+1,207
| New | +$644K |
|
537
Essential Utilities
WTRG
$10.4B
| $642K | ﹤0.01% |
17,295
-1,736
| -9% | -$64.4K |
|
|
ONIT
538
Onity Group
ONIT
$346M
| $633K | ﹤0.01% |
16,599
+3,757
| +29% | +$143K |
|
|
CLBR
539
DELISTED
Colombier Acquisition Corp II
CLBR
| $632K | ﹤0.01% |
40,937
+40,593
| +11,800% | +$627K |
|
540
Qorvo
QRVO
$8.51B
| $632K | ﹤0.01% |
+7,453
| New | +$632K |
|
541
Semtech
SMTC
$5.28B
| $632K | ﹤0.01% |
14,003
-18,541
| -57% | -$837K |
|
542
TAL Education Group
TAL
$6.78B
| $630K | ﹤0.01% |
61,653
+46,206
| +299% | +$472K |
|
543
argenx
ARGX
$45.1B
| $627K | ﹤0.01% |
+1,138
| New | +$627K |
|
544
Direxion Daily AAPL Bull 2X Shares
AAPU
$231M
| $621K | ﹤0.01% |
+28,324
| New | +$621K |
|
545
Sociedad Química y Minera de Chile
SQM
$12.4B
| $620K | ﹤0.01% |
17,592
+7,069
| +67% | +$249K |
|
546
Life Time Group Holdings
LTH
$6.12B
| $619K | ﹤0.01% |
20,414
-26,919
| -57% | -$816K |
|
547
Vale
VALE
$46.4B
| $619K | ﹤0.01% |
63,838
-133,140
| -68% | -$1.29M |
|
|
DFDV
548
DeFi Development Corp
DFDV
$430M
| $618K | ﹤0.01% |
+28,847
| New | +$618K |
|
549
Cemex
CX
$13.2B
| $611K | ﹤0.01% |
88,203
+37,692
| +75% | +$261K |
|
550
Emcor
EME
$28.3B
| $609K | ﹤0.01% |
1,139
-4,941
| -81% | -$2.64M |
|