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 | |
|---|---|---|---|---|---|---|
926
Ceragon Networks
CRNT
$180M
| $214K | ﹤0.01% |
45,851
-16,262
| -26% | -$75.9K |
|
927
Hayward Holdings
HAYW
$3.4B
| $214K | ﹤0.01% |
14,003
+13,932
| +19,623% | +$213K |
|
928
Planet Labs
PL
$2.72B
| $214K | ﹤0.01% |
53,052
-3,162
| -6% | -$12.8K |
|
929
Americold
COLD
$3.76B
| $213K | ﹤0.01% |
9,999
+6,908
| +223% | +$147K |
|
930
Huazhu Hotels Group
HTHT
$11.4B
| $212K | ﹤0.01% |
+6,419
| New | +$212K |
|
931
SPDR Portfolio S&P 500 Value ETF
SPYV
$28.1B
| $212K | ﹤0.01% |
+4,146
| New | +$212K |
|
932
NCR Atleos
NATL
$2.85B
| $211K | ﹤0.01% |
6,241
-3,038
| -33% | -$103K |
|
933
Protagonist Therapeutics
PTGX
$3.59B
| $211K | ﹤0.01% |
+5,487
| New | +$211K |
|
934
Vera Therapeutics
VERA
$1.55B
| $211K | ﹤0.01% |
+5,011
| New | +$211K |
|
935
PTC
PTC
$24.5B
| $208K | ﹤0.01% |
1,135
-606
| -35% | -$111K |
|
936
Global Net Lease
GNL
$1.81B
| $207K | ﹤0.01% |
28,361
+20,265
| +250% | +$148K |
|
937
Janus International
JBI
$1.4B
| $207K | ﹤0.01% |
+28,212
| New | +$207K |
|
938
United States Brent Oil Fund
BNO
$103M
| $206K | ﹤0.01% |
6,906
+5,528
| +401% | +$165K |
|
|
BBBY
939
Bed Bath & Beyond, Inc.
BBBY
$592M
| $206K | ﹤0.01% |
41,860
+5,437
| +15% | +$26.8K |
|
940
Helmerich & Payne
HP
$2.07B
| $206K | ﹤0.01% |
+6,444
| New | +$206K |
|
941
Tradr 2X Long Innovation ETFShort Innovation Daily ETF
SARK
$67.6M
| $206K | ﹤0.01% |
4,911
+4,567
| +1,328% | +$192K |
|
942
Ameren
AEE
$26.8B
| $205K | ﹤0.01% |
2,309
-3,497
| -60% | -$310K |
|
943
Paysafe
PSFE
$820M
| $204K | ﹤0.01% |
+11,963
| New | +$204K |
|
944
iRobot
IRBT
$107M
| $203K | ﹤0.01% |
+26,234
| New | +$203K |
|
945
Sportradar
SRAD
$9.25B
| $203K | ﹤0.01% |
11,738
-30,394
| -72% | -$526K |
|
946
VEON
VEON
$3.56B
| $203K | ﹤0.01% |
5,087
+5,013
| +6,774% | +$200K |
|
947
Pegasystems
PEGA
$9.66B
| $202K | ﹤0.01% |
+4,348
| New | +$202K |
|
948
BRC Inc
BRCC
$174M
| $200K | ﹤0.01% |
+63,205
| New | +$200K |
|
949
ProShares UltraPro Short 20+ Year Treasury
TTT
$21.9M
| $200K | ﹤0.01% |
2,503
+397
| +19% | +$31.7K |
|
|
ONIT
950
Onity Group Inc.
ONIT
$352M
| $199K | ﹤0.01% |
+6,508
| New | +$199K |
|