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
|
+$114M |
| 2 |
Citigroup
C
|
+$77M |
| 3 |
Broadcom
AVGO
|
+$53M |
| 4 |
Pinduoduo
PDD
|
+$49.7M |
| 5 |
Intel
INTC
|
+$44.5M |
Top Sells
| 1 |
Energy Select Sector SPDR Fund
XLE
|
+$92.5M |
| 2 |
Pfizer
PFE
|
+$67.5M |
| 3 |
Boeing
BA
|
+$66.7M |
| 4 |
Direxion Daily Semiconductor Bull 3X Shares
SOXL
|
+$44.9M |
| 5 |
PayPal
PYPL
|
+$44.4M |
Sector Composition
| 1 | Technology | 27.91% |
| 2 | Consumer Discretionary | 14.92% |
| 3 | Healthcare | 10.74% |
| 4 | Financials | 10.11% |
| 5 | Materials | 6.23% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
1501
NewtekOne
NEWT
$303M
| $31K | ﹤0.01% |
+2,519
| New | +$31K |
|
1502
Voyager Therapeutics
VYGR
$232M
| $31K | ﹤0.01% |
3,972
-7,639
| -66% | -$59.6K |
|
|
BCOV
1503
DELISTED
Brightcove, Inc.
BCOV
| $31K | ﹤0.01% |
+13,140
| New | +$31K |
|
1504
Ambev
ABEV
$35.9B
| $30K | ﹤0.01% |
+15,005
| New | +$30K |
|
1505
Bruker
BRKR
$4.69B
| $30K | ﹤0.01% |
+473
| New | +$30K |
|
1506
VanEck Oil Refiners ETF
CRAK
$27.1M
| $30K | ﹤0.01% |
857
+330
| +63% | +$11.6K |
|
1507
EXL Service
EXLS
$7.04B
| $30K | ﹤0.01% |
+987
| New | +$30K |
|
1508
SiriusPoint
SPNT
$2.22B
| $30K | ﹤0.01% |
2,475
+1,248
| +102% | +$15.1K |
|
1509
Tennant Co
TNC
$1.5B
| $30K | ﹤0.01% |
310
-2,801
| -90% | -$271K |
|
1510
NN Inc
NNBR
$117M
| $29K | ﹤0.01% |
+9,797
| New | +$29K |
|
1511
Invesco Water Resources ETF
PHO
$2.21B
| $29K | ﹤0.01% |
+451
| New | +$29K |
|
1512
Tenaya Therapeutics
TNYA
$196M
| $29K | ﹤0.01% |
9,552
+5,914
| +163% | +$18K |
|
1513
FingerMotion
FNGR
$95.6M
| $28K | ﹤0.01% |
11,092
+3,138
| +39% | +$7.92K |
|
1514
iShares US Treasury Bond ETF
GOVT
$28.2B
| $28K | ﹤0.01% |
1,276
-2,195
| -63% | -$48.2K |
|
1515
Global X MSCI Greece ETF
GREK
$312M
| $28K | ﹤0.01% |
705
-1,891
| -73% | -$75.1K |
|
1516
Direxion Daily S&P 500 High Beta Bear 3X Shares
HIBS
$27.9M
| $28K | ﹤0.01% |
1,172
-21
| -2% | -$502 |
|
1517
Coca-Cola Femsa
KOF
$18B
| $28K | ﹤0.01% |
337
+294
| +684% | +$24.4K |
|
1518
TransAlta
TAC
$3.75B
| $28K | ﹤0.01% |
+4,004
| New | +$28K |
|
1519
Ventyx Biosciences
VTYX
$164M
| $28K | ﹤0.01% |
12,482
-562
| -4% | -$1.26K |
|
|
CMRX
1520
DELISTED
Chimerix, Inc.
CMRX
| $28K | ﹤0.01% |
32,945
+11,307
| +52% | +$9.61K |
|
1521
Benchmark Electronics
BHE
$1.41B
| $27K | ﹤0.01% |
693
+593
| +593% | +$23.1K |
|
1522
Coastal Financial
CCB
$1.65B
| $27K | ﹤0.01% |
595
+529
| +802% | +$24K |
|
|
DRD
1523
DRDGold
DRD
$1.93B
| $27K | ﹤0.01% |
3,147
-12,897
| -80% | -$111K |
|
1524
Embecta
EMBC
$878M
| $27K | ﹤0.01% |
2,209
+1,020
| +86% | +$12.5K |
|
|
HYPD
1525
Hyperion DeFi, Inc. Common Stock
HYPD
$85.3M
| $27K | ﹤0.01% |
569
+253
| +80% | +$12K |
|