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
|
+$48.9M |
| 2 |
Boeing
BA
|
+$25.8M |
| 3 |
SPDR Gold Trust
GLD
|
+$18.2M |
| 4 |
Biogen
BIIB
|
+$15.8M |
| 5 |
FedEx
FDX
|
+$13.6M |
Top Sells
| 1 |
Alphabet (Google) Class C
GOOG
|
+$62.1M |
| 2 |
iShares Russell 2000 ETF
IWM
|
+$36.4M |
| 3 |
Industrial Select Sector SPDR Fund
XLI
|
+$17.5M |
| 4 |
Netflix
NFLX
|
+$16.3M |
| 5 |
iShares 20+ Year Treasury Bond ETF
TLT
|
+$14.6M |
Sector Composition
| 1 | Consumer Discretionary | 16.74% |
| 2 | Technology | 16.32% |
| 3 | Healthcare | 12.17% |
| 4 | Industrials | 12.14% |
| 5 | Communication Services | 7.05% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
601
Invesco CurrencyShares Japanese Yen Trust
FXY
$562M
| $221K | ﹤0.01% |
2,523
-8,986
| -78% | -$787K |
|
602
Nu Skin
NUS
$570M
| $221K | ﹤0.01% |
+5,208
| New | +$221K |
|
|
AIFU
603
AIFU Inc. Class A Ordinary Share
AIFU
$83.4M
| $221K | ﹤0.01% |
416
-866
| -68% | -$460K |
|
604
Forrester Research
FORR
$188M
| $220K | ﹤0.01% |
+6,875
| New | +$220K |
|
605
NeoGenomics
NEO
$966M
| $220K | ﹤0.01% |
+11,514
| New | +$220K |
|
606
Essex Property Trust
ESS
$17B
| $219K | ﹤0.01% |
672
-65
| -9% | -$21.2K |
|
607
UBS Group
UBS
$127B
| $219K | ﹤0.01% |
19,390
-287
| -1% | -$3.24K |
|
608
Invesco CurrencyShares Canadian Dollar Trust
FXC
$91.6M
| $218K | ﹤0.01% |
2,932
-15,041
| -84% | -$1.12M |
|
609
Esperion Therapeutics
ESPR
$524M
| $216K | ﹤0.01% |
5,901
-10,240
| -63% | -$375K |
|
610
Enviri
NVRI
$959M
| $216K | ﹤0.01% |
+11,418
| New | +$216K |
|
611
Travel + Leisure Co
TNL
$4B
| $216K | ﹤0.01% |
4,713
-923
| -16% | -$42.3K |
|
|
AD
612
Array Digital Infrastructure, Inc.
AD
$4.41B
| $216K | ﹤0.01% |
+5,756
| New | +$216K |
|
|
LSI
613
DELISTED
Life Storage, Inc.
LSI
| $215K | ﹤0.01% |
3,063
-15,860
| -84% | -$1.11M |
|
|
ASA
614
ASA Gold and Precious Metals
ASA
$760M
| $214K | ﹤0.01% |
+17,840
| New | +$214K |
|
615
Fortive
FTV
$16.2B
| $214K | ﹤0.01% |
+3,737
| New | +$214K |
|
616
Invesco Solar ETF
TAN
$728M
| $214K | ﹤0.01% |
7,299
+6,369
| +685% | +$187K |
|
617
Essential Utilities
WTRG
$10.6B
| $214K | ﹤0.01% |
+4,775
| New | +$214K |
|
|
TLND
618
DELISTED
Talend S.A. American Depositary Shares
TLND
| $214K | ﹤0.01% |
6,303
+5,134
| +439% | +$174K |
|
619
Copart
CPRT
$46.9B
| $213K | ﹤0.01% |
+10,652
| New | +$213K |
|
620
Permian Resources
PR
$9.99B
| $213K | ﹤0.01% |
+47,268
| New | +$213K |
|
621
Regency Centers
REG
$13.1B
| $213K | ﹤0.01% |
3,074
-203
| -6% | -$14.1K |
|
|
LX
622
LexinFintech Holdings
LX
$973M
| $212K | ﹤0.01% |
21,167
+6,093
| +40% | +$61K |
|
623
RLI Corp
RLI
$6.08B
| $212K | ﹤0.01% |
+4,568
| New | +$212K |
|
624
EnerSys
ENS
$3.92B
| $209K | ﹤0.01% |
3,173
+752
| +31% | +$49.5K |
|
625
Amplify Junior Silver Miners ETF
SILJ
$2.19B
| $209K | ﹤0.01% |
22,198
+19,972
| +897% | +$188K |
|