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 |
SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$32.1M |
| 2 |
PARA
Paramount Global Class B
PARA
|
+$23.3M |
| 3 |
Pinduoduo
PDD
|
+$17.3M |
| 4 |
Pfizer
PFE
|
+$16.8M |
| 5 |
American Airlines Group
AAL
|
+$14.5M |
Top Sells
| 1 |
Amazon
AMZN
|
+$64.4M |
| 2 |
Alphabet (Google) Class C
GOOG
|
+$38.1M |
| 3 |
AutoZone
AZO
|
+$32.2M |
| 4 |
SPDR S&P 500 ETF Trust
SPY
|
+$25.3M |
| 5 |
Apple
AAPL
|
+$22.5M |
Sector Composition
| 1 | Technology | 20.25% |
| 2 | Consumer Discretionary | 15.22% |
| 3 | Healthcare | 10.03% |
| 4 | Financials | 9.2% |
| 5 | Industrials | 9.11% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
1226
IGC Pharma
IGC
$37.8M
| $155K | ﹤0.01% |
86,816
+66,397
| +325% | +$119K |
|
1227
Pentair
PNR
$18.5B
| $155K | ﹤0.01% |
2,503
-3,171
| -56% | -$196K |
|
1228
Vanguard Financials ETF
VFH
$13.2B
| $155K | ﹤0.01% |
1,836
-5,013
| -73% | -$423K |
|
|
YRD
1229
Yiren Digital
YRD
$516M
| $155K | ﹤0.01% |
30,721
+28,619
| +1,362% | +$144K |
|
|
BGRY
1230
DELISTED
Berkshire Grey, Inc. Class A Common Stock
BGRY
| $155K | ﹤0.01% |
+15,322
| New | +$155K |
|
|
EMWP
1231
DELISTED
Eros Media World PLC
EMWP
| $155K | ﹤0.01% |
4,292
+891
| +26% | +$32.2K |
|
1232
Standard BioTools
LAB
$531M
| $154K | ﹤0.01% |
+34,137
| New | +$154K |
|
1233
RPM International
RPM
$16B
| $154K | ﹤0.01% |
+1,682
| New | +$154K |
|
1234
Popular Inc
BPOP
$8.62B
| $153K | ﹤0.01% |
+2,187
| New | +$153K |
|
1235
Sterling Infrastructure
STRL
$10.3B
| $153K | ﹤0.01% |
6,635
-17,244
| -72% | -$398K |
|
1236
Terex
TEX
$3.49B
| $153K | ﹤0.01% |
+3,330
| New | +$153K |
|
1237
TTEC Holdings
TTEC
$186M
| $153K | ﹤0.01% |
1,530
-1,261
| -45% | -$126K |
|
1238
WEC Energy
WEC
$35.3B
| $153K | ﹤0.01% |
1,643
-9,068
| -85% | -$844K |
|
|
LSXMA
1239
DELISTED
Liberty Media Corporation Series A Liberty SiriusXM Common Stock
LSXMA
| $153K | ﹤0.01% |
4,729
+4,200
| +794% | +$136K |
|
|
BIOC
1240
DELISTED
Biocept, Inc.
BIOC
| $153K | ﹤0.01% |
+1,007
| New | +$153K |
|
1241
iShares Asia 50 ETF
AIA
$1.02B
| $152K | ﹤0.01% |
1,658
+1,062
| +178% | +$97.4K |
|
1242
Compugen
CGEN
$128M
| $152K | ﹤0.01% |
17,782
+17,707
| +23,609% | +$151K |
|
1243
First Commonwealth Financial
FCF
$1.86B
| $152K | ﹤0.01% |
10,618
+6,124
| +136% | +$87.7K |
|
|
MODV
1244
DELISTED
ModivCare
MODV
| $152K | ﹤0.01% |
+1,027
| New | +$152K |
|
1245
Tenable Holdings
TENB
$3.7B
| $151K | ﹤0.01% |
+4,193
| New | +$151K |
|
|
HEXO
1246
DELISTED
HEXO Corp. Common Shares
HEXO
| $151K | ﹤0.01% |
+1,667
| New | +$151K |
|
1247
Camden Property Trust
CPT
$11.4B
| $150K | ﹤0.01% |
1,372
+1,358
| +9,700% | +$148K |
|
1248
Innodata
INOD
$2.25B
| $150K | ﹤0.01% |
23,922
+9,249
| +63% | +$58K |
|
1249
Identive
INVE
$87.3M
| $150K | ﹤0.01% |
13,161
+2,718
| +26% | +$31K |
|
1250
Emergent Biosolutions
EBS
$423M
| $149K | ﹤0.01% |
+1,606
| New | +$149K |
|