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 |
NVIDIA
NVDA
|
+$216M |
| 2 |
Apple
AAPL
|
+$159M |
| 3 |
Broadcom
AVGO
|
+$128M |
| 4 |
Booking.com
BKNG
|
+$62.2M |
| 5 |
SPDR S&P 500 ETF Trust
SPY
|
+$61.9M |
Top Sells
| 1 |
iShares 20+ Year Treasury Bond ETF
TLT
|
+$141M |
| 2 |
Amazon
AMZN
|
+$53.1M |
| 3 |
TSMC
TSM
|
+$45.7M |
| 4 |
Netflix
NFLX
|
+$45.3M |
| 5 |
Pfizer
PFE
|
+$38.3M |
Sector Composition
| 1 | Technology | 34.74% |
| 2 | Communication Services | 9% |
| 3 | Consumer Discretionary | 8.67% |
| 4 | Healthcare | 8.07% |
| 5 | Financials | 6.4% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
1451
Shenandoah Telecom
SHEN
$744M
| $44K | ﹤0.01% |
3,235
+2,498
| +339% | +$34K |
|
|
ETHU
1452
2x Ether ETF
ETHU
$2.89B
| $44K | ﹤0.01% |
789
-13,597
| -95% | -$758K |
|
1453
Arcturus Therapeutics
ARCT
$470M
| $43K | ﹤0.01% |
3,320
-429
| -11% | -$5.56K |
|
1454
Barnes & Noble Education
BNED
$277M
| $43K | ﹤0.01% |
3,699
-15,786
| -81% | -$184K |
|
|
GMRE
1455
Global Medical REIT
GMRE
$512M
| $43K | ﹤0.01% |
6,265
+4,031
| +180% | +$27.7K |
|
1456
Guaranty Bancshares
GNTY
$557M
| $43K | ﹤0.01% |
+1,034
| New | +$43K |
|
1457
Heritage Financial
HFWA
$833M
| $43K | ﹤0.01% |
+1,815
| New | +$43K |
|
1458
Palomar
PLMR
$3.13B
| $43K | ﹤0.01% |
280
+111
| +66% | +$17K |
|
1459
Papa John's
PZZA
$1.65B
| $43K | ﹤0.01% |
896
-13,312
| -94% | -$639K |
|
1460
Simmons First National
SFNC
$2.96B
| $43K | ﹤0.01% |
2,314
+1,796
| +347% | +$33.4K |
|
1461
TTEC Holdings
TTEC
$173M
| $43K | ﹤0.01% |
9,104
-3,864
| -30% | -$18.3K |
|
|
HIMZ
1462
Defiance Daily Target 2X Long HIMS ETF
HIMZ
$265M
| $43K | ﹤0.01% |
+2,006
| New | +$43K |
|
1463
Abeona Therapeutics
ABEO
$330M
| $42K | ﹤0.01% |
+7,451
| New | +$42K |
|
1464
Dine Brands
DIN
$368M
| $42K | ﹤0.01% |
1,731
-8,661
| -83% | -$210K |
|
1465
Fate Therapeutics
FATE
$111M
| $42K | ﹤0.01% |
38,019
+23,639
| +164% | +$26.1K |
|
|
FBRT
1466
Franklin BSP Realty Trust
FBRT
$935M
| $42K | ﹤0.01% |
+3,992
| New | +$42K |
|
1467
Matsons
MATX
$3.29B
| $42K | ﹤0.01% |
+386
| New | +$42K |
|
1468
Simply Good Foods
SMPL
$2.73B
| $42K | ﹤0.01% |
+1,345
| New | +$42K |
|
1469
SuRo Capital
SSSS
$221M
| $42K | ﹤0.01% |
5,200
-60,440
| -92% | -$488K |
|
1470
Arena Group
AREN
$274M
| $41K | ﹤0.01% |
6,625
+4,235
| +177% | +$26.2K |
|
1471
Erasca
ERAS
$443M
| $41K | ﹤0.01% |
32,647
+32,389
| +12,554% | +$40.7K |
|
1472
Federated Hermes
FHI
$4.16B
| $41K | ﹤0.01% |
927
-191
| -17% | -$8.45K |
|
1473
Invesco KBW High Dividend Yield Financial ETF
KBWD
$427M
| $41K | ﹤0.01% |
+2,986
| New | +$41K |
|
1474
Nine Energy Service
NINE
$30.5M
| $41K | ﹤0.01% |
54,092
+41,333
| +324% | +$31.3K |
|
1475
Direxion Daily Robotics, Artificial Intelligence & Automation Index Bull 2X Shares
UBOT
$29.7M
| $41K | ﹤0.01% |
1,909
+1,430
| +299% | +$30.7K |
|