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
|
+$80M |
| 2 |
iShares 20+ Year Treasury Bond ETF
TLT
|
+$45.3M |
| 3 |
Alphabet (Google) Class C
GOOG
|
+$38.8M |
| 4 |
Amazon
AMZN
|
+$38.6M |
| 5 |
Tesla
TSLA
|
+$36M |
Top Sells
| 1 |
Alibaba
BABA
|
+$46.4M |
| 2 |
Boeing
BA
|
+$29.8M |
| 3 |
SPDR Gold Trust
GLD
|
+$18.2M |
| 4 |
Biogen
BIIB
|
+$15.8M |
| 5 |
NVIDIA
NVDA
|
+$14.3M |
Sector Composition
| 1 | Technology | 22.73% |
| 2 | Consumer Discretionary | 17.54% |
| 3 | Communication Services | 10.03% |
| 4 | Healthcare | 9.29% |
| 5 | Industrials | 5.63% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
851
Voyager Therapeutics
VYGR
$226M
| $147K | ﹤0.01% |
10,598
+4,099
| +63% | +$56.9K |
|
|
TACO
852
DELISTED
Del Taco Restaurants, Inc. Common Stock
TACO
| $146K | ﹤0.01% |
18,595
+5,612
| +43% | +$44.1K |
|
853
Global X Robotics & Artificial Intelligence ETF
BOTZ
$2.87B
| $145K | ﹤0.01% |
6,675
+6,104
| +1,069% | +$133K |
|
|
AGEN
854
Agenus
AGEN
$160M
| $144K | ﹤0.01% |
+1,807
| New | +$144K |
|
855
Arcturus Therapeutics
ARCT
$478M
| $144K | ﹤0.01% |
13,292
+872
| +7% | +$9.45K |
|
856
Intellicheck
IDN
$114M
| $144K | ﹤0.01% |
+19,287
| New | +$144K |
|
857
Amplify Junior Silver Miners ETF
SILJ
$2.18B
| $144K | ﹤0.01% |
11,627
-10,571
| -48% | -$131K |
|
|
RVNC
858
DELISTED
Revance Therapeutics, Inc.
RVNC
| $143K | ﹤0.01% |
8,814
+5,302
| +151% | +$86K |
|
859
Grand Canyon Education
LOPE
$5.71B
| $142K | ﹤0.01% |
+1,487
| New | +$142K |
|
860
Open Text
OTEX
$8.85B
| $142K | ﹤0.01% |
3,238
+1,070
| +49% | +$46.9K |
|
861
Teucrium Wheat Fund
WEAT
$117M
| $142K | ﹤0.01% |
24,335
+21,739
| +837% | +$127K |
|
862
Abeona Therapeutics
ABEO
$353M
| $141K | ﹤0.01% |
1,734
+1,157
| +201% | +$94.1K |
|
863
Direxion Daily Gold Miners Index Bear 2X Shares
DUST
$59M
| $141K | ﹤0.01% |
100
-381
| -79% | -$537K |
|
864
Olin
OLN
$2.94B
| $141K | ﹤0.01% |
8,186
-8,217
| -50% | -$142K |
|
|
RDHL
865
Redhill Biopharma
RDHL
$3.26M
| $141K | ﹤0.01% |
+23
| New | +$141K |
|
866
SK Telecom
SKM
$8.34B
| $140K | ﹤0.01% |
+3,682
| New | +$140K |
|
|
SILK
867
DELISTED
Silk Road Medical, Inc. Common Stock
SILK
| $140K | ﹤0.01% |
+3,476
| New | +$140K |
|
868
Atara Biotherapeutics
ATRA
$83.2M
| $139K | ﹤0.01% |
340
+208
| +158% | +$85K |
|
869
G-III Apparel Group
GIII
$1.12B
| $139K | ﹤0.01% |
4,176
+2,798
| +203% | +$93.1K |
|
870
Amplify Mobile Payments ETF
IPAY
$273M
| $139K | ﹤0.01% |
2,806
+2,496
| +805% | +$124K |
|
871
Minerva Neurosciences
NERV
$14.8M
| $139K | ﹤0.01% |
2,455
+1,012
| +70% | +$57.3K |
|
872
Outfront Media
OUT
$3.13B
| $139K | ﹤0.01% |
5,272
-330
| -6% | -$8.7K |
|
|
SAFE
873
DELISTED
Safehold Inc.
SAFE
| $139K | ﹤0.01% |
3,471
-5,048
| -59% | -$202K |
|
874
Qualys
QLYS
$4.83B
| $138K | ﹤0.01% |
+1,662
| New | +$138K |
|
|
CDMO
875
DELISTED
Avid Bioservices, Inc. Common Stock
CDMO
| $138K | ﹤0.01% |
18,101
+11,305
| +166% | +$86.2K |
|