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 |
SPDR Dow Jones Industrial Average ETF Trust
DIA
|
$32.1M |
| 2 |
PARA
Paramount Global Class B
PARA
|
$23.3M |
| 3 |
Pinduoduo
PDD
|
$17.3M |
| 4 |
Pfizer
PFE
|
$16.8M |
| 5 |
American Airlines Group
AAL
|
$14.5M |
Top Sells
| 1 |
Amazon
AMZN
|
$64.4M |
| 2 |
Alphabet (Google) Class C
GOOG
|
$38.1M |
| 3 |
AutoZone
AZO
|
$32.2M |
| 4 |
SPDR S&P 500 ETF Trust
SPY
|
$25.3M |
| 5 |
Apple
AAPL
|
$22.5M |
Sector Composition
| 1 | Technology | 20.25% |
| 2 | Consumer Discretionary | 15.22% |
| 3 | Healthcare | 10.03% |
| 4 | Financials | 9.2% |
| 5 | Industrials | 9.11% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
401
Annaly Capital Management
NLY
$14.2B
| $983K | ﹤0.01% |
28,600
+26,115
| +1,051% | +$898K |
|
402
Bumble
BMBL
$697M
| $978K | ﹤0.01% |
+15,687
| New | +$978K |
|
403
America Movil
AMX
$59.1B
| $975K | ﹤0.01% |
+71,816
| New | +$975K |
|
404
Navios Maritime Partners
NMM
$1.42B
| $974K | ﹤0.01% |
41,346
+27,658
| +202% | +$652K |
|
405
Invesco DB US Dollar Index Bearish Fund
UDN
$147M
| $974K | ﹤0.01% |
46,536
-38,772
| -45% | -$811K |
|
406
GoodRx Holdings
GDRX
$1.39B
| $972K | ﹤0.01% |
24,921
-13,783
| -36% | -$538K |
|
407
Itaú Unibanco
ITUB
$76.6B
| $972K | ﹤0.01% |
261,638
+226,140
| +637% | +$840K |
|
408
AdvisorShares Pure Cannabis ETF
YOLO
$42.2M
| $970K | ﹤0.01% |
41,052
-32,323
| -44% | -$764K |
|
|
IDEX
409
DELISTED
Ideanomics, Inc. Common Stock
IDEX
| $967K | ﹤0.01% |
2,651
-185
| -7% | -$67.5K |
|
|
FMAC
410
DELISTED
FirstMark Horizon Acquisition Corp.
FMAC
| $965K | ﹤0.01% |
+96,595
| New | +$965K |
|
411
Franklin Resources
BEN
$13B
| $961K | ﹤0.01% |
+32,475
| New | +$961K |
|
|
LL
412
DELISTED
LL Flooring Holdings, Inc.
LL
| $960K | ﹤0.01% |
+38,224
| New | +$960K |
|
|
SUMO
413
DELISTED
Sumo Logic, Inc. Common Stock
SUMO
| $960K | ﹤0.01% |
50,920
+43,895
| +625% | +$828K |
|
414
ProShares Ultra VIX Short-Term Futures ETF
UVXY
$665M
| $957K | ﹤0.01% |
339
-927
| -73% | -$2.62M |
|
|
MOMO
415
Hello Group
MOMO
$1.37B
| $956K | ﹤0.01% |
64,862
+57,508
| +782% | +$848K |
|
416
Visa
V
$666B
| $952K | ﹤0.01% |
4,500
-15,668
| -78% | -$3.31M |
|
417
Lightspeed Commerce
LSPD
$1.65B
| $950K | ﹤0.01% |
15,135
+8,019
| +113% | +$503K |
|
418
Novo Nordisk
NVO
$245B
| $948K | ﹤0.01% |
+28,144
| New | +$948K |
|
419
Blink Charging
BLNK
$117M
| $940K | ﹤0.01% |
22,877
-2,140
| -9% | -$87.9K |
|
420
Voya Financial
VOYA
$7.38B
| $939K | ﹤0.01% |
14,767
+14,753
| +105,379% | +$938K |
|
421
Invesco Actively Managed Exch-Traded Commodity Fd Tr Invesco Optimum Yield Diversified Commodity Strategy No K-1 ETF
PDBC
$4.45B
| $938K | ﹤0.01% |
54,482
+52,579
| +2,763% | +$905K |
|
422
ImmunityBio
IBRX
$2.27B
| $936K | ﹤0.01% |
39,460
-28,528
| -42% | -$677K |
|
423
Cadence Design Systems
CDNS
$95.6B
| $930K | ﹤0.01% |
+6,793
| New | +$930K |
|
424
Yum! Brands
YUM
$40.1B
| $926K | ﹤0.01% |
+8,563
| New | +$926K |
|
425
HF Sinclair
DINO
$9.56B
| $920K | ﹤0.01% |
25,735
-1,007
| -4% | -$36K |
|