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 |
NVIDIA
NVDA
|
+$216M |
| 2 |
Apple
AAPL
|
+$159M |
| 3 |
Broadcom
AVGO
|
+$128M |
| 4 |
Booking.com
BKNG
|
+$62.2M |
| 5 |
SPDR S&P 500 ETF Trust
SPY
|
+$61.9M |
Top Sells
| 1 |
iShares 20+ Year Treasury Bond ETF
TLT
|
+$141M |
| 2 |
Amazon
AMZN
|
+$53.1M |
| 3 |
TSMC
TSM
|
+$45.7M |
| 4 |
Netflix
NFLX
|
+$45.3M |
| 5 |
Pfizer
PFE
|
+$38.3M |
Sector Composition
| 1 | Technology | 34.74% |
| 2 | Communication Services | 9% |
| 3 | Consumer Discretionary | 8.67% |
| 4 | Healthcare | 8.07% |
| 5 | Financials | 6.4% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
1326
Glaukos
GKOS
$4.8B
| $65K | ﹤0.01% |
+633
| New | +$65K |
|
1327
Sally Beauty Holdings
SBH
$1.49B
| $65K | ﹤0.01% |
7,123
-2,374
| -25% | -$21.7K |
|
1328
iShares TIPS Bond ETF
TIP
$14B
| $65K | ﹤0.01% |
+591
| New | +$65K |
|
1329
Ibotta
IBTA
$767M
| $65K | ﹤0.01% |
+1,795
| New | +$65K |
|
|
BLRX
1330
BioLineRX
BLRX
$17.1M
| $64K | ﹤0.01% |
+14,114
| New | +$64K |
|
1331
iShares JPMorgan USD Emerging Markets Bond ETF
EMB
$13.9B
| $64K | ﹤0.01% |
+692
| New | +$64K |
|
1332
iShares Dow Jones US ETF
IYY
$2.64B
| $64K | ﹤0.01% |
+426
| New | +$64K |
|
1333
Medifast
MED
$152M
| $64K | ﹤0.01% |
+4,621
| New | +$64K |
|
1334
Navigator Holdings
NVGS
$1.11B
| $64K | ﹤0.01% |
4,524
+2,661
| +143% | +$37.6K |
|
1335
Invesco Fundamental High Yield Corporate Bond ETF
PHB
$355M
| $64K | ﹤0.01% |
+3,508
| New | +$64K |
|
|
QD
1336
Qudian
QD
$700M
| $64K | ﹤0.01% |
20,465
-34,017
| -62% | -$106K |
|
|
GMEU
1337
T-REX 2X Long GME Daily Target ETF
GMEU
$30.5M
| $64K | ﹤0.01% |
+3,993
| New | +$64K |
|
1338
Capital Group Dividend Value ETF
CGDV
$21.6B
| $63K | ﹤0.01% |
1,600
+1,370
| +596% | +$53.9K |
|
1339
Energizer
ENR
$2.01B
| $63K | ﹤0.01% |
3,136
+1,400
| +81% | +$28.1K |
|
1340
Huazhu Hotels Group
HTHT
$11.5B
| $63K | ﹤0.01% |
1,871
-7,245
| -79% | -$244K |
|
1341
Inter&Co
INTR
$3.96B
| $63K | ﹤0.01% |
8,541
+4,145
| +94% | +$30.6K |
|
1342
Lincoln Educational Services
LINC
$630M
| $63K | ﹤0.01% |
+2,740
| New | +$63K |
|
1343
Comstock
LODE
$145M
| $63K | ﹤0.01% |
16,655
+2,663
| +19% | +$10.1K |
|
1344
ProShares VIX Mid-Term Futures ETF
VIXM
$40.7M
| $63K | ﹤0.01% |
3,789
-9,253
| -71% | -$154K |
|
|
BIOA
1345
BioAge Labs, Inc. Common Stock
BIOA
$172M
| $63K | ﹤0.01% |
15,281
-6,322
| -29% | -$26.1K |
|
|
LMBO
1346
Direxion Daily Crypto Industry Bull 2X Shares
LMBO
$7.02M
| $63K | ﹤0.01% |
+2,518
| New | +$63K |
|
1347
Crexendo
CXDO
$207M
| $62K | ﹤0.01% |
10,365
+5,722
| +123% | +$34.2K |
|
1348
PetMed Express
PETS
$58.3M
| $62K | ﹤0.01% |
18,770
-13,871
| -42% | -$45.8K |
|
1349
Safe Bulkers
SB
$464M
| $62K | ﹤0.01% |
+17,441
| New | +$62K |
|
1350
WideOpenWest
WOW
$440M
| $62K | ﹤0.01% |
15,380
-25,994
| -63% | -$105K |
|