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 |
Microsoft
MSFT
|
+$101M |
| 2 |
NVIDIA
NVDA
|
+$66M |
| 3 |
Citigroup
C
|
+$51.8M |
| 4 |
Berkshire Hathaway Class B
BRK.B
|
+$42.7M |
| 5 |
SPDR Gold Trust
GLD
|
+$39.4M |
Top Sells
| 1 |
Apple
AAPL
|
+$411M |
| 2 |
Vanguard S&P 500 ETF
VOO
|
+$64M |
| 3 |
Meta Platforms (Facebook)
META
|
+$39.8M |
| 4 |
iShares Core S&P 500 ETF
IVV
|
+$34.3M |
| 5 |
PayPal
PYPL
|
+$32.9M |
Sector Composition
| 1 | Technology | 17.4% |
| 2 | Financials | 12.04% |
| 3 | Consumer Discretionary | 10.17% |
| 4 | Healthcare | 8.63% |
| 5 | Industrials | 6.03% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
751
Teucrium Sugar Fund
CANE
$12.4M
| $300K | ﹤0.01% |
34,656
-13,101
| -27% | -$113K |
|
|
TRTN
752
DELISTED
Triton International Limited
TRTN
| $300K | ﹤0.01% |
5,485
+310
| +6% | +$17K |
|
753
Ethan Allen Interiors
ETD
$753M
| $298K | ﹤0.01% |
+14,119
| New | +$298K |
|
754
Actinium Pharmaceuticals
ATNM
$52.4M
| $294K | ﹤0.01% |
+39,896
| New | +$294K |
|
755
Brinker International
EAT
$7.07B
| $294K | ﹤0.01% |
+11,804
| New | +$294K |
|
756
KraneShares Bosera MSCI China A 50 Connect Index ETF
KBA
$241M
| $294K | ﹤0.01% |
9,699
+7,192
| +287% | +$218K |
|
757
KBR
KBR
$6.38B
| $292K | ﹤0.01% |
6,759
+6,365
| +1,615% | +$275K |
|
758
HP
HPQ
$26.5B
| $291K | ﹤0.01% |
+11,716
| New | +$291K |
|
|
AEVA
759
Aeva Technologies
AEVA
$893M
| $289K | ﹤0.01% |
30,928
+26,637
| +621% | +$249K |
|
760
PetMed Express
PETS
$58.5M
| $289K | ﹤0.01% |
+14,814
| New | +$289K |
|
761
Upland Software
UPLD
$70.8M
| $289K | ﹤0.01% |
+35,592
| New | +$289K |
|
762
Coherus Oncology, Inc. Common Stock
CHRS
$155M
| $288K | ﹤0.01% |
29,977
-94,141
| -76% | -$904K |
|
763
ProShares Short 20+ Year Treasury ETF
TBF
$68.8M
| $288K | ﹤0.01% |
+12,921
| New | +$288K |
|
764
Direxion Daily 20+ Year Treasury Bull 3X Shares
TMF
$5.61B
| $287K | ﹤0.01% |
+3,356
| New | +$287K |
|
765
Graphic Packaging
GPK
$6.24B
| $286K | ﹤0.01% |
+14,510
| New | +$286K |
|
766
Banco Macro
BMA
$2.95B
| $285K | ﹤0.01% |
+20,034
| New | +$285K |
|
|
ZY
767
DELISTED
Zymergen Inc. Common Stock
ZY
| $285K | ﹤0.01% |
102,562
+42,101
| +70% | +$117K |
|
768
DT Midstream
DTM
$10.9B
| $284K | ﹤0.01% |
+5,474
| New | +$284K |
|
769
ProShares UltraShort Gold
GLL
$50.7M
| $283K | ﹤0.01% |
+3,805
| New | +$283K |
|
770
Ardmore Shipping
ASC
$502M
| $282K | ﹤0.01% |
30,925
+12,020
| +64% | +$110K |
|
|
DO
771
DELISTED
Diamond Offshore Drilling, Inc.
DO
| $282K | ﹤0.01% |
+42,539
| New | +$282K |
|
772
Oramed Pharmaceuticals
ORMP
$99.6M
| $280K | ﹤0.01% |
43,218
+22,855
| +112% | +$148K |
|
773
Energy Fuels
UUUU
$2.89B
| $280K | ﹤0.01% |
45,835
-40,082
| -47% | -$245K |
|
774
Olin
OLN
$3.09B
| $279K | ﹤0.01% |
6,514
-5,813
| -47% | -$249K |
|
|
MOMO
775
Hello Group
MOMO
$1.2B
| $278K | ﹤0.01% |
60,243
-35,230
| -37% | -$163K |
|