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
|
+$186M |
| 2 |
iShares 20+ Year Treasury Bond ETF
TLT
|
+$86.2M |
| 3 |
SPDR S&P 500 ETF Trust
SPY
|
+$56.8M |
| 4 |
iShares Silver Trust
SLV
|
+$42.9M |
| 5 |
Advanced Micro Devices
AMD
|
+$36.5M |
Top Sells
| 1 |
Occidental Petroleum
OXY
|
+$44.4M |
| 2 |
Financial Select Sector SPDR Fund
XLF
|
+$42.8M |
| 3 |
Verizon
VZ
|
+$40.8M |
| 4 |
Direxion Daily S&P 500 Bull 3x Shares
SPXL
|
+$33.6M |
| 5 |
iShares China Large-Cap ETF
FXI
|
+$33M |
Sector Composition
| 1 | Technology | 23.31% |
| 2 | Consumer Discretionary | 13.02% |
| 3 | Industrials | 8.23% |
| 4 | Healthcare | 7.47% |
| 5 | Financials | 6.38% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
751
Enovis
ENOV
$1.76B
| $487K | ﹤0.01% |
+7,120
| New | +$487K |
|
752
PTC
PTC
$24.5B
| $485K | ﹤0.01% |
4,509
+2,095
| +87% | +$225K |
|
753
ProShares UltraPro Russell2000
URTY
$390M
| $483K | ﹤0.01% |
+6,419
| New | +$483K |
|
754
General Dynamics
GD
$86.9B
| $482K | ﹤0.01% |
+2,000
| New | +$482K |
|
755
Ziff Davis
ZD
$1.5B
| $481K | ﹤0.01% |
+4,975
| New | +$481K |
|
|
PTRA
756
DELISTED
Proterra Inc. Common Stock
PTRA
| $476K | ﹤0.01% |
63,428
+54,162
| +585% | +$406K |
|
757
LoveSac
LOVE
$297M
| $475K | ﹤0.01% |
8,803
-5,552
| -39% | -$300K |
|
|
PLL
758
DELISTED
Piedmont Lithium
PLL
| $475K | ﹤0.01% |
+6,509
| New | +$475K |
|
759
Qfin Holdings, Inc. American Depositary Shares
QFIN
$3.73B
| $475K | ﹤0.01% |
30,867
+19,468
| +171% | +$300K |
|
760
Teucrium Soybean Fund
SOYB
$25.2M
| $474K | ﹤0.01% |
17,749
+13,234
| +293% | +$353K |
|
761
Jack in the Box
JACK
$351M
| $466K | ﹤0.01% |
+4,998
| New | +$466K |
|
762
Nutanix
NTNX
$20.6B
| $461K | ﹤0.01% |
+17,210
| New | +$461K |
|
763
Marqeta
MQ
$2.61B
| $455K | ﹤0.01% |
41,222
-127,988
| -76% | -$1.41M |
|
764
Pegasystems
PEGA
$9.61B
| $454K | ﹤0.01% |
11,270
-4,492
| -28% | -$181K |
|
765
Direxion Daily Junior Gold Miners Index Bull 2X Shares
JNUG
$493M
| $453K | ﹤0.01% |
5,907
-11,712
| -66% | -$898K |
|
766
Direxion Daily 7-10 Year Treasury Bull 3X Shares
TYD
$51.9M
| $453K | ﹤0.01% |
+10,659
| New | +$453K |
|
767
Energizer
ENR
$1.93B
| $452K | ﹤0.01% |
14,711
+11,992
| +441% | +$368K |
|
768
Cemex
CX
$13.3B
| $450K | ﹤0.01% |
85,104
-51,527
| -38% | -$272K |
|
769
JFrog
FROG
$5.75B
| $450K | ﹤0.01% |
16,700
+15,942
| +2,103% | +$430K |
|
|
GAP
770
The Gap, Inc.
GAP
$8.87B
| $446K | ﹤0.01% |
31,713
-239,038
| -88% | -$3.36M |
|
771
TrueCar
TRUE
$181M
| $445K | ﹤0.01% |
+112,745
| New | +$445K |
|
772
Southern Copper
SCCO
$82.4B
| $444K | ﹤0.01% |
6,156
-1,766
| -22% | -$127K |
|
773
Iovance Biotherapeutics
IOVA
$843M
| $441K | ﹤0.01% |
26,505
-28,471
| -52% | -$474K |
|
774
ARK Innovation ETF
ARKK
$7.1B
| $440K | ﹤0.01% |
6,638
-222,366
| -97% | -$14.7M |
|
775
Talos Energy
TALO
$1.7B
| $440K | ﹤0.01% |
27,913
+3,026
| +12% | +$47.7K |
|