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 |
iShares 20+ Year Treasury Bond ETF
TLT
|
+$278M |
| 2 |
Alphabet (Google) Class A
GOOGL
|
+$84.4M |
| 3 |
NVIDIA
NVDA
|
+$76.9M |
| 4 |
TSMC
TSM
|
+$74.9M |
| 5 |
Amazon
AMZN
|
+$53.5M |
Top Sells
| 1 |
Apple
AAPL
|
+$497M |
| 2 |
Strategy Inc Common Stock Class A
MSTR
|
+$73.7M |
| 3 |
Alibaba
BABA
|
+$49M |
| 4 |
Advanced Micro Devices
AMD
|
+$48.1M |
| 5 |
Uber
UBER
|
+$41.8M |
Sector Composition
| 1 | Technology | 22.9% |
| 2 | Consumer Discretionary | 12.26% |
| 3 | Healthcare | 9.52% |
| 4 | Communication Services | 8.42% |
| 5 | Financials | 7.07% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
|
MESO
851
Mesoblast
MESO
$1.97B
| $200K | ﹤0.01% |
16,066
+1,817
| +13% | +$22.6K |
|
852
nCino
NCNO
$3.53B
| $200K | ﹤0.01% |
+7,313
| New | +$200K |
|
853
Blink Charging
BLNK
$143M
| $199K | ﹤0.01% |
+216,830
| New | +$199K |
|
854
Neonode
NEON
$72M
| $198K | ﹤0.01% |
24,384
-3,627
| -13% | -$29.5K |
|
855
iShares Mortgage Real Estate ETF
REM
$614M
| $198K | ﹤0.01% |
8,826
-13,445
| -60% | -$302K |
|
856
Uranium Energy
UEC
$5.35B
| $198K | ﹤0.01% |
+41,480
| New | +$198K |
|
|
SVM
857
Silvercorp Metals
SVM
$1.13B
| $197K | ﹤0.01% |
50,980
+6,246
| +14% | +$24.1K |
|
858
Applied Industrial Technologies
AIT
$10.2B
| $196K | ﹤0.01% |
+870
| New | +$196K |
|
859
Medpace
MEDP
$14B
| $196K | ﹤0.01% |
644
-834
| -56% | -$254K |
|
860
Victoria's Secret
VSCO
$2.17B
| $196K | ﹤0.01% |
10,575
-23,388
| -69% | -$433K |
|
|
AEVA
861
Aeva Technologies
AEVA
$893M
| $194K | ﹤0.01% |
27,739
+18,031
| +186% | +$126K |
|
862
Core Laboratories
CLB
$594M
| $194K | ﹤0.01% |
12,946
+12,587
| +3,506% | +$189K |
|
863
Telephone and Data Systems
TDS
$4.53B
| $194K | ﹤0.01% |
5,011
-23,941
| -83% | -$927K |
|
864
Ero Copper
ERO
$1.75B
| $193K | ﹤0.01% |
15,993
+1,569
| +11% | +$18.9K |
|
865
Kinsale Capital Group
KNSL
$10.2B
| $193K | ﹤0.01% |
+397
| New | +$193K |
|
866
Cars.com
CARS
$847M
| $192K | ﹤0.01% |
17,065
+1,303
| +8% | +$14.7K |
|
|
KC
867
Kingsoft Cloud Holdings
KC
$4.58B
| $192K | ﹤0.01% |
13,390
-80,216
| -86% | -$1.15M |
|
868
Rayonier Advanced Materials
RYAM
$411M
| $192K | ﹤0.01% |
33,502
+5,705
| +21% | +$32.7K |
|
|
HIVE
869
HIVE Digital Technologies
HIVE
$776M
| $190K | ﹤0.01% |
131,141
+72,552
| +124% | +$105K |
|
870
ING
ING
$73.9B
| $190K | ﹤0.01% |
9,703
+6,182
| +176% | +$121K |
|
871
WisdomTree
WT
$2.08B
| $190K | ﹤0.01% |
+21,318
| New | +$190K |
|
|
AHH
872
Armada Hoffler Properties
AHH
$596M
| $189K | ﹤0.01% |
25,180
+24,929
| +9,932% | +$187K |
|
873
Chemours
CC
$2.51B
| $189K | ﹤0.01% |
14,009
-12,676
| -48% | -$171K |
|
874
POET Technologies
POET
$484M
| $189K | ﹤0.01% |
50,048
+333
| +0.7% | +$1.26K |
|
875
ProShares UltraShort Financials
SKF
$9.89M
| $189K | ﹤0.01% |
5,804
+2,258
| +64% | +$73.5K |
|