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
|
+$45.7M |
| 2 |
Walmart
WMT
|
+$45.2M |
| 3 |
VanEck Oil Services ETF
OIH
|
+$34.2M |
| 4 |
iShares 20+ Year Treasury Bond ETF
TLT
|
+$33.2M |
| 5 |
Citigroup
C
|
+$32.7M |
Top Sells
| 1 |
Amazon
AMZN
|
+$164M |
| 2 |
Invesco QQQ Trust
QQQ
|
+$111M |
| 3 |
NVIDIA
NVDA
|
+$77.7M |
| 4 |
Meta Platforms (Facebook)
META
|
+$60.9M |
| 5 |
Procter & Gamble
PG
|
+$38.8M |
Sector Composition
| 1 | Technology | 21.73% |
| 2 | Consumer Discretionary | 10.23% |
| 3 | Healthcare | 8.76% |
| 4 | Industrials | 7.59% |
| 5 | Communication Services | 6.56% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
401
Honda
HMC
$45.5B
| $743K | ﹤0.01% |
+28,053
| New | +$743K |
|
402
Perion Network
PERI
$416M
| $742K | ﹤0.01% |
18,755
+16,120
| +612% | +$638K |
|
403
The GEO Group
GEO
$2.93B
| $739K | ﹤0.01% |
93,746
+46,647
| +99% | +$368K |
|
404
Deckers Outdoor
DECK
$17.9B
| $736K | ﹤0.01% |
+9,828
| New | +$736K |
|
405
Teucrium Wheat Fund
WEAT
$118M
| $734K | ﹤0.01% |
104,067
-5,371
| -5% | -$37.9K |
|
406
Cullen/Frost Bankers
CFR
$8.34B
| $731K | ﹤0.01% |
6,944
+1,642
| +31% | +$173K |
|
407
Cincinnati Financial
CINF
$24B
| $728K | ﹤0.01% |
+6,499
| New | +$728K |
|
408
iShares MBS ETF
MBB
$41.5B
| $723K | ﹤0.01% |
+7,640
| New | +$723K |
|
409
iShares MSCI United Kingdom ETF
EWU
$2.92B
| $720K | ﹤0.01% |
22,336
-40,832
| -65% | -$1.32M |
|
410
Rumble
RUM
$2.48B
| $719K | ﹤0.01% |
71,976
+71,975
| +7,197,500% | +$719K |
|
|
MORF
411
DELISTED
Morphic Holding, Inc. Common Stock
MORF
| $716K | ﹤0.01% |
+19,026
| New | +$716K |
|
412
CRISPR Therapeutics
CRSP
$4.92B
| $713K | ﹤0.01% |
15,777
+9,919
| +169% | +$448K |
|
413
iShares MSCI Italy ETF
EWI
$710M
| $713K | ﹤0.01% |
23,453
+19,534
| +498% | +$594K |
|
414
Eos Energy Enterprises
EOSE
$1.92B
| $710K | ﹤0.01% |
276,505
+274,905
| +17,182% | +$706K |
|
415
iShares Russell Mid-Cap Growth ETF
IWP
$20.6B
| $704K | ﹤0.01% |
+7,734
| New | +$704K |
|
416
Rapid7
RPD
$1.33B
| $703K | ﹤0.01% |
15,331
+5,357
| +54% | +$246K |
|
417
Direxion Daily Junior Gold Miners Index Bull 2X Shares
JNUG
$495M
| $702K | ﹤0.01% |
16,664
-4,183
| -20% | -$176K |
|
418
Olin
OLN
$2.87B
| $699K | ﹤0.01% |
+12,603
| New | +$699K |
|
419
USA Compression Partners
USAC
$2.84B
| $694K | ﹤0.01% |
32,885
+26,513
| +416% | +$560K |
|
420
SIGA Technologies
SIGA
$620M
| $690K | ﹤0.01% |
+120,086
| New | +$690K |
|
421
Ally Financial
ALLY
$12.7B
| $687K | ﹤0.01% |
+26,954
| New | +$687K |
|
422
Vertiv
VRT
$46.5B
| $685K | ﹤0.01% |
+47,877
| New | +$685K |
|
|
ANSS
423
DELISTED
Ansys
ANSS
| $682K | ﹤0.01% |
+2,051
| New | +$682K |
|
424
VeriSign
VRSN
$26.4B
| $681K | ﹤0.01% |
3,224
+3,038
| +1,633% | +$642K |
|
425
Aegon
AEG
$11.9B
| $679K | ﹤0.01% |
158,021
+30,230
| +24% | +$130K |
|