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 | |
|---|---|---|---|---|---|---|
|
BTCL
976
T-Rex 2X Long Bitcoin Daily Target ETF
BTCL
$82.9M
| $139K | ﹤0.01% |
4,100
+3,596
| +713% | +$122K |
|
977
CorMedix
CRMD
$977M
| $138K | ﹤0.01% |
22,416
-187,940
| -89% | -$1.16M |
|
978
Energy Recovery
ERII
$776M
| $138K | ﹤0.01% |
+8,701
| New | +$138K |
|
979
Grifois
GRFS
$6.7B
| $138K | ﹤0.01% |
19,427
-946
| -5% | -$6.72K |
|
980
MKS Inc. Common Stock
MKSI
$7.79B
| $138K | ﹤0.01% |
+1,731
| New | +$138K |
|
981
ProShares UltraShort S&P500
SDS
$468M
| $138K | ﹤0.01% |
6,460
-20,881
| -76% | -$446K |
|
982
VF Corp
VFC
$6.05B
| $138K | ﹤0.01% |
8,902
-449,041
| -98% | -$6.96M |
|
983
Cincinnati Financial
CINF
$23.8B
| $137K | ﹤0.01% |
+929
| New | +$137K |
|
984
Viavi Solutions
VIAV
$2.66B
| $137K | ﹤0.01% |
12,275
+10,022
| +445% | +$112K |
|
985
Global X Autonomous & Electric Vehicles ETF
DRIV
$344M
| $136K | ﹤0.01% |
6,478
+2,679
| +71% | +$56.2K |
|
986
PetMed Express
PETS
$56.4M
| $136K | ﹤0.01% |
32,641
+29,928
| +1,103% | +$125K |
|
987
AMC Networks
AMCX
$346M
| $135K | ﹤0.01% |
19,655
-3,428
| -15% | -$23.5K |
|
988
Neuronetics
STIM
$228M
| $135K | ﹤0.01% |
+36,873
| New | +$135K |
|
989
GoodRx Holdings
GDRX
$1.47B
| $134K | ﹤0.01% |
30,514
+15,282
| +100% | +$67.1K |
|
|
SW
990
Smurfit Westrock plc
SW
$23.6B
| $134K | ﹤0.01% |
2,975
-286
| -9% | -$12.9K |
|
991
Denison Mines
DNN
$2.18B
| $133K | ﹤0.01% |
103,011
-370,516
| -78% | -$478K |
|
992
Simplify Short Term Treasury Futures Strategy ETF
TUA
$644M
| $132K | ﹤0.01% |
6,053
+4,669
| +337% | +$102K |
|
993
ProShares Ultra Semiconductors
USD
$1.49B
| $131K | ﹤0.01% |
3,268
-5,782
| -64% | -$232K |
|
994
Golub Capital BDC
GBDC
$3.92B
| $131K | ﹤0.01% |
8,686
+4,129
| +91% | +$62.3K |
|
995
IMAX
IMAX
$1.67B
| $131K | ﹤0.01% |
4,984
-595
| -11% | -$15.6K |
|
996
Algonquin Power & Utilities
AQN
$4.3B
| $130K | ﹤0.01% |
25,408
+10,900
| +75% | +$55.8K |
|
997
Americold
COLD
$3.76B
| $130K | ﹤0.01% |
6,098
-3,901
| -39% | -$83.2K |
|
998
Alerian MLP ETF
AMLP
$10.5B
| $128K | ﹤0.01% |
+2,479
| New | +$128K |
|
999
James Hardie Industries plc
JHX
$11.5B
| $128K | ﹤0.01% |
+5,464
| New | +$128K |
|
1000
Sweetgreen
SG
$1.03B
| $127K | ﹤0.01% |
+5,092
| New | +$127K |
|