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 |
Alibaba
BABA
|
+$117M |
| 2 |
Alphabet (Google) Class A
GOOGL
|
+$97.6M |
| 3 |
Walt Disney
DIS
|
+$73.4M |
| 4 |
Citigroup
C
|
+$45.8M |
| 5 |
KraneShares CSI China Internet ETF
KWEB
|
+$41.5M |
Top Sells
| 1 |
iShares 20+ Year Treasury Bond ETF
TLT
|
+$149M |
| 2 |
Amazon
AMZN
|
+$107M |
| 3 |
SPDR Gold Trust
GLD
|
+$58.6M |
| 4 |
Coinbase
COIN
|
+$56.5M |
| 5 |
NVIDIA
NVDA
|
+$48.2M |
Sector Composition
| 1 | Technology | 16.06% |
| 2 | Consumer Discretionary | 14.45% |
| 3 | Communication Services | 10.03% |
| 4 | Financials | 9.44% |
| 5 | Healthcare | 9.18% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
|
PGRE
1576
Paramount Group
PGRE
$1.45B
| $26K | ﹤0.01% |
+5,109
| New | +$26K |
|
1577
Piper Sandler
PIPR
$6.53B
| $26K | ﹤0.01% |
+150
| New | +$26K |
|
1578
ROBO Global Robotics & Automation Index ETF
ROBO
$1.16B
| $26K | ﹤0.01% |
+460
| New | +$26K |
|
1579
Shoe Carnival
SCVL
$621M
| $26K | ﹤0.01% |
+879
| New | +$26K |
|
1580
Telecom Argentina
TEO
$2.78B
| $26K | ﹤0.01% |
3,710
+3,209
| +641% | +$22.5K |
|
1581
UFP Technologies
UFPT
$1.55B
| $26K | ﹤0.01% |
154
-4,971
| -97% | -$839K |
|
1582
US Treasury 30 Year Bond ETF
UTHY
$23.2M
| $26K | ﹤0.01% |
556
+356
| +178% | +$16.6K |
|
|
CTEV
1583
Claritev Corporation
CTEV
$912M
| $26K | ﹤0.01% |
468
-953
| -67% | -$52.9K |
|
|
ASXC
1584
DELISTED
Asensus Surgical, Inc.
ASXC
| $26K | ﹤0.01% |
84,500
+76,441
| +949% | +$23.5K |
|
1585
Frontdoor
FTDR
$4.89B
| $25K | ﹤0.01% |
724
-16,521
| -96% | -$570K |
|
1586
Flotek Industries
FTK
$388M
| $25K | ﹤0.01% |
+6,486
| New | +$25K |
|
1587
Geospace Technologies
GEOS
$245M
| $25K | ﹤0.01% |
1,997
-1,172
| -37% | -$14.7K |
|
1588
Puma Biotechnology
PBYI
$227M
| $25K | ﹤0.01% |
5,805
+5,048
| +667% | +$21.7K |
|
1589
Precigen
PGEN
$1.14B
| $25K | ﹤0.01% |
19,000
+14,745
| +347% | +$19.4K |
|
1590
VanEck Rare Earth/Strategic Metals ETF
REMX
$766M
| $25K | ﹤0.01% |
422
-172
| -29% | -$10.2K |
|
1591
Simulations Plus
SLP
$319M
| $25K | ﹤0.01% |
+566
| New | +$25K |
|
1592
Universal Health Services
UHS
$12B
| $25K | ﹤0.01% |
167
-2,968
| -95% | -$444K |
|
|
LOGC
1593
DELISTED
ContextLogic
LOGC
| $25K | ﹤0.01% |
4,330
-21,964
| -84% | -$127K |
|
|
FTCH
1594
DELISTED
Farfetch Limited Class A Ordinary Shares
FTCH
| $25K | ﹤0.01% |
1,157,978
+713,988
| +161% | +$15.4K |
|
|
AMRN
1595
Amarin Corp
AMRN
$309M
| $24K | ﹤0.01% |
1,386
-1,933
| -58% | -$33.5K |
|
1596
Credicorp
BAP
$20.8B
| $24K | ﹤0.01% |
+166
| New | +$24K |
|
|
GTY
1597
Getty Realty Corp
GTY
$1.57B
| $24K | ﹤0.01% |
829
+812
| +4,776% | +$23.5K |
|
1598
Fusion Fuel Green
HTOO
$8.58M
| $24K | ﹤0.01% |
+613
| New | +$24K |
|
1599
JELD-WEN Holding
JELD
$502M
| $24K | ﹤0.01% |
+1,275
| New | +$24K |
|
1600
Littelfuse
LFUS
$6.6B
| $24K | ﹤0.01% |
93
-243
| -72% | -$62.7K |
|