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
|
+$45.7M |
| 2 |
Walmart
WMT
|
+$45.2M |
| 3 |
VanEck Oil Services ETF
OIH
|
+$34.2M |
| 4 |
iShares 20+ Year Treasury Bond ETF
TLT
|
+$33.2M |
| 5 |
Citigroup
C
|
+$32.7M |
Top Sells
| 1 |
Amazon
AMZN
|
+$164M |
| 2 |
Invesco QQQ Trust
QQQ
|
+$111M |
| 3 |
NVIDIA
NVDA
|
+$77.7M |
| 4 |
Meta Platforms (Facebook)
META
|
+$60.9M |
| 5 |
Procter & Gamble
PG
|
+$38.8M |
Sector Composition
| 1 | Technology | 21.73% |
| 2 | Consumer Discretionary | 10.23% |
| 3 | Healthcare | 8.76% |
| 4 | Industrials | 7.59% |
| 5 | Communication Services | 6.56% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
1351
Axsome Therapeutics
AXSM
$5.91B
| $34K | ﹤0.01% |
560
-15,802
| -97% | -$959K |
|
|
BHR
1352
Braemar Hotels & Resorts
BHR
$203M
| $34K | ﹤0.01% |
9,034
-1,281
| -12% | -$4.82K |
|
1353
Daktronics
DAKT
$1.15B
| $34K | ﹤0.01% |
+6,002
| New | +$34K |
|
1354
Dine Brands
DIN
$368M
| $34K | ﹤0.01% |
+512
| New | +$34K |
|
1355
iShares US Consumer Staples ETF
IYK
$1.33B
| $34K | ﹤0.01% |
519
+366
| +239% | +$24K |
|
|
PPBT
1356
Purple Biotech
PPBT
$1.73M
| $34K | ﹤0.01% |
+985
| New | +$34K |
|
1357
The RMR Group
RMR
$288M
| $34K | ﹤0.01% |
+1,325
| New | +$34K |
|
|
SACH
1358
Sachem Capital Corp
SACH
$62M
| $34K | ﹤0.01% |
+9,400
| New | +$34K |
|
1359
Thermon Group Holdings
THR
$844M
| $34K | ﹤0.01% |
+1,370
| New | +$34K |
|
|
AEVA
1360
Aeva Technologies
AEVA
$903M
| $33K | ﹤0.01% |
5,585
-1,315
| -19% | -$7.77K |
|
1361
A-Mark Precious Metals
AMRK
$664M
| $33K | ﹤0.01% |
976
-6,098
| -86% | -$206K |
|
1362
Blackrock
BLK
$174B
| $33K | ﹤0.01% |
50
| – | – |
|
1363
Crane NXT
CXT
$3.46B
| $33K | ﹤0.01% |
+852
| New | +$33K |
|
1364
Harmonic Inc
HLIT
$1.13B
| $33K | ﹤0.01% |
2,287
-367
| -14% | -$5.3K |
|
1365
International General Insurance
IGIC
$1.04B
| $33K | ﹤0.01% |
4,056
-11
| -0.3% | -$89 |
|
1366
Liquidia Corp
LQDA
$2.24B
| $33K | ﹤0.01% |
4,893
-5,650
| -54% | -$38.1K |
|
|
MOMO
1367
Hello Group
MOMO
$1.19B
| $33K | ﹤0.01% |
3,693
-10,776
| -74% | -$96.3K |
|
1368
MRC Global
MRC
$1.23B
| $33K | ﹤0.01% |
+3,454
| New | +$33K |
|
1369
Bank of N.T. Butterfield & Son
NTB
$1.89B
| $33K | ﹤0.01% |
1,258
+1,223
| +3,494% | +$32.1K |
|
1370
Sturm, Ruger & Co
RGR
$600M
| $33K | ﹤0.01% |
578
-5,571
| -91% | -$318K |
|
1371
SPDR Dow Jones International Real Estate ETF
RWX
$308M
| $33K | ﹤0.01% |
+1,279
| New | +$33K |
|
1372
BBVA Argentina
BBAR
$1.84B
| $32K | ﹤0.01% |
8,220
-121
| -1% | -$471 |
|
1373
Definitive Healthcare
DH
$432M
| $32K | ﹤0.01% |
+3,190
| New | +$32K |
|
1374
Immunome
IMNM
$802M
| $32K | ﹤0.01% |
6,423
+453
| +8% | +$2.26K |
|
1375
Inspirato
ISPO
$36M
| $32K | ﹤0.01% |
+1,706
| New | +$32K |
|