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
|
+$85.4M |
| 2 |
SPDR Gold Trust
GLD
|
+$75.9M |
| 3 |
NVIDIA
NVDA
|
+$42.6M |
| 4 |
Netflix
NFLX
|
+$41.1M |
| 5 |
iShares MSCI EAFE ETF
EFA
|
+$40.5M |
Top Sells
| 1 |
Apple
AAPL
|
+$65.7M |
| 2 |
iPath Series B S&P 500 VIX Short-Term Futures ETN
VXX
|
+$25.5M |
| 3 |
SPDR S&P 500 ETF Trust
SPY
|
+$24.4M |
| 4 |
SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$24.3M |
| 5 |
Broadcom
AVGO
|
+$21.3M |
Sector Composition
| 1 | Technology | 15.2% |
| 2 | Consumer Discretionary | 14.52% |
| 3 | Communication Services | 10.57% |
| 4 | Healthcare | 8.15% |
| 5 | Financials | 7.15% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
1401
Gilat Satellite Networks
GILT
$629M
| $26K | ﹤0.01% |
4,148
-452
| -10% | -$2.83K |
|
1402
Medpace
MEDP
$13.4B
| $26K | ﹤0.01% |
288
-654
| -69% | -$59K |
|
1403
Middlesex Water
MSEX
$954M
| $26K | ﹤0.01% |
+397
| New | +$26K |
|
|
OGI
1404
Organigram Holdings
OGI
$221M
| $26K | ﹤0.01% |
4,281
+2,978
| +229% | +$18.1K |
|
1405
Oxford Square Capital
OXSQ
$171M
| $26K | ﹤0.01% |
9,301
-382
| -4% | -$1.07K |
|
1406
Invesco S&P 500 Equal Weight Health Care ETF
RSPH
$715M
| $26K | ﹤0.01% |
+1,210
| New | +$26K |
|
1407
Rayonier Advanced Materials
RYAM
$402M
| $26K | ﹤0.01% |
9,385
-35,490
| -79% | -$98.3K |
|
|
XNET
1408
Xunlei
XNET
$454M
| $26K | ﹤0.01% |
7,568
-10,101
| -57% | -$34.7K |
|
|
TVTY
1409
DELISTED
Tivity Health, Inc. Common Stock
TVTY
| $26K | ﹤0.01% |
2,378
-16,570
| -87% | -$181K |
|
|
TREC
1410
DELISTED
Trecora Resources
TREC
| $26K | ﹤0.01% |
+4,249
| New | +$26K |
|
1411
Roundhill Sports Betting & iGaming ETF
BETZ
$84.7M
| $25K | ﹤0.01% |
+1,696
| New | +$25K |
|
1412
Invesco DB Base Metals Fund
DBB
$123M
| $25K | ﹤0.01% |
1,883
+341
| +22% | +$4.53K |
|
1413
LG Display
LPL
$4.36B
| $25K | ﹤0.01% |
5,264
+1,341
| +34% | +$6.37K |
|
1414
TriNet
TNET
$3.3B
| $25K | ﹤0.01% |
414
-2,336
| -85% | -$141K |
|
1415
Travere Therapeutics
TVTX
$2.43B
| $25K | ﹤0.01% |
+1,236
| New | +$25K |
|
1416
Direxion Daily Utilities Bull 3X Shares
UTSL
$30.3M
| $25K | ﹤0.01% |
1,269
+969
| +323% | +$19.1K |
|
1417
Vericel Corp
VCEL
$1.69B
| $25K | ﹤0.01% |
1,856
-4,547
| -71% | -$61.2K |
|
|
NEX
1418
DELISTED
NexTier Oilfield Solutions Inc.
NEX
| $25K | ﹤0.01% |
10,416
+3,668
| +54% | +$8.8K |
|
|
BRMK
1419
DELISTED
Broadmark Realty Capital Inc. Common Stock
BRMK
| $25K | ﹤0.01% |
2,688
+1,606
| +148% | +$14.9K |
|
1420
Dana Inc
DAN
$2.73B
| $24K | ﹤0.01% |
+2,017
| New | +$24K |
|
1421
AnaptysBio
ANAB
$637M
| $24K | ﹤0.01% |
+1,075
| New | +$24K |
|
1422
BBVA Argentina
BBAR
$1.96B
| $24K | ﹤0.01% |
6,607
-7,165
| -52% | -$26K |
|
1423
Popular Inc
BPOP
$8.43B
| $24K | ﹤0.01% |
646
-22,734
| -97% | -$845K |
|
1424
Coherus Oncology, Inc. Common Stock
CHRS
$152M
| $24K | ﹤0.01% |
1,355
-57
| -4% | -$1.01K |
|
1425
Mitek Systems
MITK
$454M
| $24K | ﹤0.01% |
2,555
-23,393
| -90% | -$220K |
|