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
|
+$586M |
| 2 |
Strategy Inc Common Stock Class A
MSTR
|
+$82.5M |
| 3 |
Intel
INTC
|
+$40.4M |
| 4 |
Invesco QQQ Trust
QQQ
|
+$39.4M |
| 5 |
Uber
UBER
|
+$36.3M |
Top Sells
| 1 |
NVIDIA
NVDA
|
+$130M |
| 2 |
Pinduoduo
PDD
|
+$95.7M |
| 3 |
Boeing
BA
|
+$56.2M |
| 4 |
KraneShares CSI China Internet ETF
KWEB
|
+$40.7M |
| 5 |
Microsoft
MSFT
|
+$40.5M |
Sector Composition
| 1 | Technology | 34.29% |
| 2 | Consumer Discretionary | 11.38% |
| 3 | Healthcare | 9.65% |
| 4 | Financials | 6.33% |
| 5 | Communication Services | 5.52% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
1626
C4 Therapeutics
CCCC
$189M
| $24K | ﹤0.01% |
6,871
-73,628
| -91% | -$257K |
|
1627
Clarus
CLAR
$146M
| $24K | ﹤0.01% |
5,443
+4,192
| +335% | +$18.5K |
|
|
CTO
1628
CTO Realty Growth
CTO
$545M
| $24K | ﹤0.01% |
1,248
-1,469
| -54% | -$28.3K |
|
1629
Enhabit
EHAB
$402M
| $24K | ﹤0.01% |
3,086
-2,101
| -41% | -$16.3K |
|
1630
ProShares UltraShort Gold
GLL
$50.5M
| $24K | ﹤0.01% |
691
+591
| +591% | +$20.5K |
|
1631
Intrepid Potash
IPI
$385M
| $24K | ﹤0.01% |
1,133
-1,196
| -51% | -$25.3K |
|
1632
Liberty Global Class C
LBTYK
$4.08B
| $24K | ﹤0.01% |
+1,848
| New | +$24K |
|
1633
MillerKnoll
MLKN
$1.4B
| $24K | ﹤0.01% |
+1,071
| New | +$24K |
|
|
MTA
1634
Metalla Royalty & Streaming
MTA
$520M
| $24K | ﹤0.01% |
9,658
+6,037
| +167% | +$15K |
|
1635
NetSol Technologies
NTWK
$54.8M
| $24K | ﹤0.01% |
9,221
+894
| +11% | +$2.33K |
|
1636
Petrobras Class A
PBR.A
$75.1B
| $24K | ﹤0.01% |
+2,031
| New | +$24K |
|
1637
VanEck Preferred Securities ex Financials ETF
PFXF
$1.91B
| $24K | ﹤0.01% |
1,421
+1,015
| +250% | +$17.1K |
|
|
PKST
1638
Peakstone Realty Trust
PKST
$518M
| $24K | ﹤0.01% |
2,232
+374
| +20% | +$4.02K |
|
1639
RPC Inc
RES
$988M
| $24K | ﹤0.01% |
4,186
+4,096
| +4,551% | +$23.5K |
|
1640
Repare Therapeutics
RPTX
$75.6M
| $24K | ﹤0.01% |
18,359
+16,111
| +717% | +$21.1K |
|
|
BTCL
1641
T-Rex 2X Long Bitcoin Daily Target ETF
BTCL
$86.1M
| $24K | ﹤0.01% |
504
+304
| +152% | +$14.5K |
|
|
XELA
1642
DELISTED
Exela Technologies, Inc. Common Stock
XELA
| $24K | ﹤0.01% |
+22,402
| New | +$24K |
|
1643
Aegon
AEG
$12.2B
| $23K | ﹤0.01% |
3,905
-43,269
| -92% | -$255K |
|
|
ALEX
1644
Alexander & Baldwin
ALEX
$1.34B
| $23K | ﹤0.01% |
+1,343
| New | +$23K |
|
1645
Accuray
ARAY
$178M
| $23K | ﹤0.01% |
11,867
+8,294
| +232% | +$16.1K |
|
1646
Arbe Robotics
ARBE
$149M
| $23K | ﹤0.01% |
+12,529
| New | +$23K |
|
1647
Claros Mortgage Trust
CMTG
$534M
| $23K | ﹤0.01% |
5,180
+5,110
| +7,300% | +$22.7K |
|
1648
Carter's
CRI
$1.08B
| $23K | ﹤0.01% |
427
-329
| -44% | -$17.7K |
|
1649
Crexendo
CXDO
$203M
| $23K | ﹤0.01% |
4,485
+4,004
| +832% | +$20.5K |
|
1650
Fidelity MSCI Consumer Discretionary Index ETF
FDIS
$1.91B
| $23K | ﹤0.01% |
243
+105
| +76% | +$9.94K |
|