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 | |
|---|---|---|---|---|---|---|
1551
Urban Edge Properties
UE
$2.66B
| $50K | ﹤0.01% |
3,866
-155
| -4% | -$2.01K |
|
1552
First Commonwealth Financial
FCF
$1.84B
| $49K | ﹤0.01% |
+4,494
| New | +$49K |
|
1553
iShares US Oil Equipment & Services ETF
IEZ
$113M
| $49K | ﹤0.01% |
+4,418
| New | +$49K |
|
1554
Liberty Latin America Class A
LILA
$1.5B
| $49K | ﹤0.01% |
4,477
+2,239
| +100% | +$24.5K |
|
1555
El Pollo Loco
LOCO
$304M
| $49K | ﹤0.01% |
2,725
-23,034
| -89% | -$414K |
|
1556
MKS Inc. Common Stock
MKSI
$7.73B
| $49K | ﹤0.01% |
+331
| New | +$49K |
|
|
TGB
1557
Taseko Mines
TGB
$1.12B
| $49K | ﹤0.01% |
37,240
+10,123
| +37% | +$13.3K |
|
1558
iShare MSCI Eurozone ETF
EZU
$7.97B
| $48K | ﹤0.01% |
1,109
-2,375
| -68% | -$103K |
|
1559
Thomson Reuters
TRI
$78B
| $48K | ﹤0.01% |
+570
| New | +$48K |
|
|
FNHC
1560
DELISTED
FedNat Holding Company Common Stock
FNHC
| $48K | ﹤0.01% |
+8,192
| New | +$48K |
|
1561
Aaon
AAON
$6.7B
| $47K | ﹤0.01% |
+1,068
| New | +$47K |
|
1562
Alector
ALEC
$278M
| $47K | ﹤0.01% |
3,160
-10,453
| -77% | -$155K |
|
1563
Black Hills Corp
BKH
$4.33B
| $47K | ﹤0.01% |
770
-1,532
| -67% | -$93.5K |
|
1564
Global Net Lease
GNL
$1.81B
| $47K | ﹤0.01% |
2,771
+2,602
| +1,540% | +$44.1K |
|
1565
Intellicheck
IDN
$113M
| $47K | ﹤0.01% |
4,146
+910
| +28% | +$10.3K |
|
1566
Invesco KBW Bank ETF
KBWB
$4.98B
| $47K | ﹤0.01% |
947
-535
| -36% | -$26.6K |
|
|
PHX
1567
DELISTED
PHX Minerals
PHX
| $47K | ﹤0.01% |
20,728
+13,262
| +178% | +$30.1K |
|
1568
Takeda Pharmaceutical
TAK
$47.7B
| $47K | ﹤0.01% |
2,600
-2,000
| -43% | -$36.2K |
|
|
LTHM
1569
DELISTED
Livent Corporation
LTHM
| $47K | ﹤0.01% |
2,502
-10,540
| -81% | -$198K |
|
|
EPZM
1570
DELISTED
Epizyme, Inc
EPZM
| $47K | ﹤0.01% |
4,383
-30
| -0.7% | -$322 |
|
|
KIN
1571
DELISTED
Kindred Biosciences, Inc.
KIN
| $47K | ﹤0.01% |
10,979
+7,429
| +209% | +$31.8K |
|
|
LJPC
1572
DELISTED
La Jolla Pharmaceutical Company
LJPC
| $47K | ﹤0.01% |
12,222
-3,931
| -24% | -$15.1K |
|
1573
ProShares Ultra Energy
DIG
$71.4M
| $46K | ﹤0.01% |
5,136
+4,800
| +1,429% | +$43K |
|
1574
Dycom Industries
DY
$7.47B
| $46K | ﹤0.01% |
619
-3,157
| -84% | -$235K |
|
1575
NovoCure
NVCR
$1.36B
| $46K | ﹤0.01% |
266
| – | – |
|