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 |
Amazon
AMZN
|
+$84.3M |
| 2 |
Alphabet (Google) Class A
GOOGL
|
+$37M |
| 3 |
Amgen
AMGN
|
+$32.3M |
| 4 |
Micron Technology
MU
|
+$29.4M |
| 5 |
Qualcomm
QCOM
|
+$18M |
Top Sells
| 1 |
SPDR S&P 500 ETF Trust
SPY
|
+$29.8M |
| 2 |
Gilead Sciences
GILD
|
+$29.3M |
| 3 |
Goldman Sachs
GS
|
+$27.7M |
| 4 |
Booking.com
BKNG
|
+$26M |
| 5 |
AT&T
T
|
+$20.8M |
Sector Composition
| 1 | Technology | 20.65% |
| 2 | Communication Services | 17.64% |
| 3 | Consumer Discretionary | 14.77% |
| 4 | Healthcare | 11.1% |
| 5 | Financials | 6.35% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
1251
Nokia
NOK
$24.2B
| $30K | ﹤0.01% |
4,892
-5,076
| -51% | -$31.1K |
|
|
OBE
1252
Obsidian Energy
OBE
$404M
| $30K | ﹤0.01% |
+3,440
| New | +$30K |
|
|
EVA
1253
DELISTED
Enviva Inc.
EVA
| $30K | ﹤0.01% |
1,116
+316
| +40% | +$8.5K |
|
1254
Floor & Decor
FND
$9.61B
| $29K | ﹤0.01% |
+739
| New | +$29K |
|
1255
Coca-Cola Femsa
KOF
$18B
| $29K | ﹤0.01% |
+345
| New | +$29K |
|
|
ASFI
1256
DELISTED
Asta Funding Inc
ASFI
| $29K | ﹤0.01% |
+3,668
| New | +$29K |
|
|
BFYT
1257
DELISTED
Benefytt Technologies, Inc. Class A Common Stock
BFYT
| $29K | ﹤0.01% |
+1,270
| New | +$29K |
|
|
RMP
1258
DELISTED
Rice Midstream Partners LP
RMP
| $29K | ﹤0.01% |
1,467
-7,089
| -83% | -$140K |
|
1259
Aurinia Pharmaceuticals
AUPH
$1.65B
| $28K | ﹤0.01% |
4,651
-9,098
| -66% | -$54.8K |
|
1260
B&G Foods
BGS
$363M
| $28K | ﹤0.01% |
799
-16
| -2% | -$561 |
|
1261
Cimpress
CMPR
$1.44B
| $28K | ﹤0.01% |
304
-2,434
| -89% | -$224K |
|
|
TGH
1262
DELISTED
Textainer Group Holdings limited
TGH
| $28K | ﹤0.01% |
+1,965
| New | +$28K |
|
|
AEGN
1263
DELISTED
Aegion Corp
AEGN
| $28K | ﹤0.01% |
+1,297
| New | +$28K |
|
|
NVTR
1264
DELISTED
Nuvectra Corporation Common Stock
NVTR
| $28K | ﹤0.01% |
2,143
+1,865
| +671% | +$24.4K |
|
|
INSY
1265
DELISTED
Insys Therapeutics, Inc.
INSY
| $28K | ﹤0.01% |
2,233
-7,787
| -78% | -$97.6K |
|
|
AKAO
1266
DELISTED
Achaogen, Inc.
AKAO
| $28K | ﹤0.01% |
+1,300
| New | +$28K |
|
|
KEM
1267
DELISTED
KEMET Corporation
KEM
| $28K | ﹤0.01% |
+2,194
| New | +$28K |
|
|
ASA
1268
ASA Gold and Precious Metals
ASA
$768M
| $27K | ﹤0.01% |
+2,334
| New | +$27K |
|
1269
Central Garden & Pet
CENT
$2.25B
| $27K | ﹤0.01% |
1,085
+1,035
| +2,070% | +$25.8K |
|
|
HEES
1270
DELISTED
H&E Equipment Services
HEES
| $27K | ﹤0.01% |
1,340
-1,271
| -49% | -$25.6K |
|
1271
Prothena Corp
PRTA
$447M
| $27K | ﹤0.01% |
500
-1,451
| -74% | -$78.4K |
|
|
SJT
1272
San Juan Basin Royalty Trust
SJT
$268M
| $27K | ﹤0.01% |
+4,026
| New | +$27K |
|
1273
Televisa
TV
$1.51B
| $27K | ﹤0.01% |
1,123
+122
| +12% | +$2.93K |
|
1274
UDR
UDR
$12.7B
| $27K | ﹤0.01% |
717
-1,244
| -63% | -$46.8K |
|
1275
Unum
UNM
$12.8B
| $27K | ﹤0.01% |
595
-5,575
| -90% | -$253K |
|