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 |
Microsoft
MSFT
|
+$101M |
| 2 |
NVIDIA
NVDA
|
+$66M |
| 3 |
Citigroup
C
|
+$51.8M |
| 4 |
Berkshire Hathaway Class B
BRK.B
|
+$42.7M |
| 5 |
SPDR Gold Trust
GLD
|
+$39.4M |
Top Sells
| 1 |
Apple
AAPL
|
+$411M |
| 2 |
Vanguard S&P 500 ETF
VOO
|
+$64M |
| 3 |
Meta Platforms (Facebook)
META
|
+$39.8M |
| 4 |
iShares Core S&P 500 ETF
IVV
|
+$34.3M |
| 5 |
PayPal
PYPL
|
+$32.9M |
Sector Composition
| 1 | Technology | 17.4% |
| 2 | Financials | 12.04% |
| 3 | Consumer Discretionary | 10.17% |
| 4 | Healthcare | 8.63% |
| 5 | Industrials | 6.03% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
1176
Lifetime Brands
LCUT
$88.4M
| $93K | ﹤0.01% |
13,767
+5,171
| +60% | +$34.9K |
|
1177
Labcorp
LH
$23.1B
| $93K | ﹤0.01% |
530
-4,090
| -89% | -$718K |
|
1178
McEwen Inc.
MUX
$748M
| $93K | ﹤0.01% |
28,769
-29,391
| -51% | -$95K |
|
|
EIGR
1179
DELISTED
Eiger BioPharmaceuticals, Inc.
EIGR
| $93K | ﹤0.01% |
415
+297
| +252% | +$66.6K |
|
1180
Arvinas
ARVN
$568M
| $92K | ﹤0.01% |
+2,071
| New | +$92K |
|
1181
CEL-SCI Corp
CVM
$70.5M
| $92K | ﹤0.01% |
1,003
+466
| +87% | +$42.7K |
|
1182
Inseego
INSG
$200M
| $92K | ﹤0.01% |
4,481
+2,174
| +94% | +$44.6K |
|
1183
ARK Innovation ETF
ARKK
$7.4B
| $91K | ﹤0.01% |
2,412
-60,882
| -96% | -$2.3M |
|
1184
ProShares UltraShort Energy
DUG
$10.7M
| $91K | ﹤0.01% |
1,198
-501
| -29% | -$38.1K |
|
1185
IAC Inc
IAC
$2.89B
| $91K | ﹤0.01% |
2,022
-1,461
| -42% | -$65.8K |
|
1186
Energy Vault
NRGV
$371M
| $91K | ﹤0.01% |
+17,424
| New | +$91K |
|
|
AZRE
1187
DELISTED
Azure Power Global Limited
AZRE
| $91K | ﹤0.01% |
16,554
+16,165
| +4,156% | +$88.9K |
|
1188
Evertec
EVTC
$2.14B
| $90K | ﹤0.01% |
+2,901
| New | +$90K |
|
1189
KNOT Offshore Partners
KNOP
$300M
| $90K | ﹤0.01% |
+6,439
| New | +$90K |
|
1190
Angi Inc
ANGI
$760M
| $89K | ﹤0.01% |
3,043
-5,910
| -66% | -$173K |
|
1191
Heron Therapeutics
HRTX
$193M
| $89K | ﹤0.01% |
21,124
+2,223
| +12% | +$9.37K |
|
1192
Marathon Petroleum
MPC
$54.8B
| $89K | ﹤0.01% |
900
| – | – |
|
1193
iShares National Muni Bond ETF
MUB
$39.5B
| $89K | ﹤0.01% |
+876
| New | +$89K |
|
1194
Agree Realty
ADC
$8.09B
| $88K | ﹤0.01% |
+1,316
| New | +$88K |
|
1195
Coherent
COHR
$16B
| $88K | ﹤0.01% |
+2,548
| New | +$88K |
|
1196
Gold Resource Corp
GORO
$133M
| $88K | ﹤0.01% |
53,773
+16,678
| +45% | +$27.3K |
|
1197
Schwab US Large-Cap Growth ETF
SCHG
$49.5B
| $88K | ﹤0.01% |
6,348
+1,092
| +21% | +$15.1K |
|
1198
Synopsys
SNPS
$79B
| $88K | ﹤0.01% |
+291
| New | +$88K |
|
|
AHH
1199
Armada Hoffler Properties
AHH
$596M
| $87K | ﹤0.01% |
8,464
+5,352
| +172% | +$55K |
|
1200
On Holding
ONON
$14B
| $87K | ﹤0.01% |
5,476
-77,113
| -93% | -$1.23M |
|