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 |
Invesco QQQ Trust
QQQ
|
+$41.7M |
| 2 |
Mastercard
MA
|
+$33.6M |
| 3 |
Alibaba
BABA
|
+$33.4M |
| 4 |
Apple
AAPL
|
+$27.9M |
| 5 |
Alphabet (Google) Class C
GOOG
|
+$26M |
Top Sells
| 1 |
JPMorgan Chase
JPM
|
+$60M |
| 2 |
TSMC
TSM
|
+$49.5M |
| 3 |
iShares Silver Trust
SLV
|
+$26M |
| 4 |
Amazon
AMZN
|
+$25.2M |
| 5 |
Boeing
BA
|
+$22.1M |
Sector Composition
| 1 | Consumer Discretionary | 23.12% |
| 2 | Technology | 13.05% |
| 3 | Healthcare | 11.53% |
| 4 | Industrials | 7.38% |
| 5 | Communication Services | 6.71% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
|
XXII
1251
22nd Century Group
XXII
$6.81M
| – | – |
0
| – | – |
|
|
AIOT
1252
PowerFleet, Inc. Common Stock
AIOT
$701M
| $115K | ﹤0.01% |
15,501
+6,793
| +78% | +$50.4K |
|
|
ATCO
1253
DELISTED
Atlas Corp.
ATCO
| $115K | ﹤0.01% |
+10,645
| New | +$115K |
|
1254
Aldeyra Therapeutics
ALDX
$324M
| $114K | ﹤0.01% |
16,747
+15,803
| +1,674% | +$108K |
|
1255
Axogen
AXGN
$755M
| $114K | ﹤0.01% |
+6,369
| New | +$114K |
|
1256
Direxion Daily MSCI Brazil Bull 2X Shares
BRZU
$136M
| $114K | ﹤0.01% |
+986
| New | +$114K |
|
|
NH
1257
DELISTED
NantHealth, Inc
NH
| $114K | ﹤0.01% |
2,365
+2,112
| +835% | +$102K |
|
1258
NGL Energy Partners
NGL
$740M
| $113K | ﹤0.01% |
47,212
+36,395
| +336% | +$87.1K |
|
|
APRN
1259
DELISTED
Blue Apron Holdings, Inc. Class A Common Stock
APRN
| $113K | ﹤0.01% |
1,688
+1,346
| +394% | +$90.1K |
|
1260
Century Aluminum
CENX
$2.44B
| $112K | ﹤0.01% |
10,161
-6,902
| -40% | -$76.1K |
|
1261
Quadratic Interest Rate Volatility and Inflation Hedge ETF
IVOL
$375M
| $112K | ﹤0.01% |
4,040
-3,239
| -44% | -$89.8K |
|
1262
Kirby Corp
KEX
$4.8B
| $112K | ﹤0.01% |
2,165
-5,762
| -73% | -$298K |
|
|
EXPR
1263
DELISTED
Express, Inc.
EXPR
| $112K | ﹤0.01% |
6,174
+5,100
| +475% | +$92.5K |
|
1264
Bread Financial
BFH
$2.95B
| $111K | ﹤0.01% |
1,890
-10,818
| -85% | -$635K |
|
1265
iShares MSCI China A ETF
CNYA
$217M
| $111K | ﹤0.01% |
2,618
+2,449
| +1,449% | +$104K |
|
|
ILPT
1266
Industrial Logistics Properties Trust
ILPT
$424M
| $111K | ﹤0.01% |
+4,781
| New | +$111K |
|
1267
KORU Medical Systems
KRMD
$181M
| $111K | ﹤0.01% |
18,487
+14,786
| +400% | +$88.8K |
|
1268
Neurocrine Biosciences
NBIX
$14.1B
| $111K | ﹤0.01% |
1,162
-5,529
| -83% | -$528K |
|
1269
Aegon
AEG
$12.2B
| $110K | ﹤0.01% |
30,449
-46,294
| -60% | -$167K |
|
1270
American Superconductor
AMSC
$2.54B
| $109K | ﹤0.01% |
4,683
-11,088
| -70% | -$258K |
|
1271
International Bancshares
IBOC
$4.39B
| $109K | ﹤0.01% |
2,919
+2,870
| +5,857% | +$107K |
|
1272
Ceragon Networks
CRNT
$179M
| $108K | ﹤0.01% |
38,882
+31,077
| +398% | +$86.3K |
|
1273
Energizer
ENR
$2.02B
| $108K | ﹤0.01% |
2,581
-886
| -26% | -$37.1K |
|
1274
Integer Holdings
ITGR
$3.55B
| $107K | ﹤0.01% |
+1,322
| New | +$107K |
|
|
AUD
1275
DELISTED
Audacy, Inc.
AUD
| $107K | ﹤0.01% |
43,691
+15,358
| +54% | +$37.6K |
|