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 |
Financial Select Sector SPDR Fund
XLF
|
+$42.3M |
| 2 |
Shopify
SHOP
|
+$37.4M |
| 3 |
Verizon
VZ
|
+$34M |
| 4 |
iShares China Large-Cap ETF
FXI
|
+$33M |
| 5 |
Merck
MRK
|
+$28M |
Top Sells
| 1 |
AMC Entertainment Holdings
AMC
|
+$38.3M |
| 2 |
Carnival Corp
CCL
|
+$37.6M |
| 3 |
GE Aerospace
GE
|
+$33M |
| 4 |
Advanced Micro Devices
AMD
|
+$30.6M |
| 5 |
Micron Technology
MU
|
+$28.3M |
Sector Composition
| 1 | Technology | 20.53% |
| 2 | Consumer Discretionary | 13.81% |
| 3 | Healthcare | 11.39% |
| 4 | Communication Services | 7.32% |
| 5 | Industrials | 6.51% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
1551
Tile Shop Holdings
TTSH
$273M
| $99K | ﹤0.01% |
+13,897
| New | +$99K |
|
|
HYRE
1552
DELISTED
HyreCar Inc. Common Stock
HYRE
| $99K | ﹤0.01% |
21,056
+9,864
| +88% | +$46.4K |
|
1553
Allogene Therapeutics
ALLO
$251M
| $98K | ﹤0.01% |
6,605
+2,455
| +59% | +$36.4K |
|
1554
Angi Inc
ANGI
$760M
| $98K | ﹤0.01% |
1,072
-496
| -32% | -$45.3K |
|
1555
Artisan Partners
APAM
$3.27B
| $98K | ﹤0.01% |
2,063
-13,499
| -87% | -$641K |
|
1556
H.B. Fuller
FUL
$3.33B
| $98K | ﹤0.01% |
+1,214
| New | +$98K |
|
1557
Gogo Inc
GOGO
$1.31B
| $98K | ﹤0.01% |
+7,276
| New | +$98K |
|
|
KC
1558
Kingsoft Cloud Holdings
KC
$4.45B
| $98K | ﹤0.01% |
6,231
-40,121
| -87% | -$631K |
|
1559
MeiraGTx Holdings
MGTX
$612M
| $98K | ﹤0.01% |
4,161
+3,663
| +736% | +$86.3K |
|
1560
Oramed Pharmaceuticals
ORMP
$98.8M
| $98K | ﹤0.01% |
+6,930
| New | +$98K |
|
1561
Rumble
RUM
$2.48B
| $98K | ﹤0.01% |
+9,138
| New | +$98K |
|
|
AXDX
1562
DELISTED
Accelerate Diagnostics
AXDX
| $97K | ﹤0.01% |
1,871
+1,607
| +609% | +$83.3K |
|
1563
Eton Pharmaceutcials
ETON
$473M
| $97K | ﹤0.01% |
22,642
+17,406
| +332% | +$74.6K |
|
1564
Fortress Biotech
FBIO
$116M
| $97K | ﹤0.01% |
+2,602
| New | +$97K |
|
1565
Graphic Packaging
GPK
$6.14B
| $97K | ﹤0.01% |
5,008
+3,401
| +212% | +$65.9K |
|
1566
Xponential Fitness
XPOF
$313M
| $97K | ﹤0.01% |
+4,775
| New | +$97K |
|
1567
Agree Realty
ADC
$8.09B
| $96K | ﹤0.01% |
1,348
+1,334
| +9,529% | +$95K |
|
1568
Inovio Pharmaceuticals
INO
$126M
| $95K | ﹤0.01% |
+1,591
| New | +$95K |
|
1569
Cartesian Therapeutics
RNAC
$252M
| $95K | ﹤0.01% |
978
+863
| +750% | +$83.8K |
|
1570
ProShares Trust UltraShort Lehman 20+ Year Treasury
TBT
$281M
| $95K | ﹤0.01% |
5,626
-155,068
| -96% | -$2.62M |
|
|
BREZ
1571
DELISTED
Breeze Holdings Acquisition Corp. Common Stock
BREZ
| $95K | ﹤0.01% |
+9,393
| New | +$95K |
|
|
BIOC
1572
DELISTED
Biocept, Inc.
BIOC
| $95K | ﹤0.01% |
+875
| New | +$95K |
|
1573
Avalo Therapeutics
AVTX
$140M
| $94K | ﹤0.01% |
+19
| New | +$94K |
|
|
BCYC
1574
Bicycle Therapeutics
BCYC
$490M
| $94K | ﹤0.01% |
+1,557
| New | +$94K |
|
1575
Capital Southwest
CSWC
$1.27B
| $94K | ﹤0.01% |
3,748
-4,051
| -52% | -$102K |
|