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 |
NVIDIA
NVDA
|
$114M |
| 2 |
Citigroup
C
|
$77M |
| 3 |
Broadcom
AVGO
|
$53M |
| 4 |
Pinduoduo
PDD
|
$49.7M |
| 5 |
Intel
INTC
|
$44.5M |
Top Sells
| 1 |
Energy Select Sector SPDR Fund
XLE
|
$92.5M |
| 2 |
Pfizer
PFE
|
$67.5M |
| 3 |
Boeing
BA
|
$66.7M |
| 4 |
Direxion Daily Semiconductor Bull 3X Shares
SOXL
|
$44.9M |
| 5 |
PayPal
PYPL
|
$44.4M |
Sector Composition
| 1 | Technology | 27.91% |
| 2 | Consumer Discretionary | 14.92% |
| 3 | Healthcare | 10.74% |
| 4 | Financials | 10.11% |
| 5 | Materials | 6.23% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
276
BridgeBio Pharma
BBIO
$10.2B
| $2.06M | ﹤0.01% |
+81,232
| New | +$2.06M |
|
277
Tilray
TLRY
$1.31B
| $2.05M | ﹤0.01% |
1,237,893
+1,053,944
| +573% | +$1.75M |
|
278
AdvisorShares Pure US Cannabis ETF
MSOS
$837M
| $2.05M | ﹤0.01% |
279,361
-397,641
| -59% | -$2.91M |
|
279
Calumet Specialty Products
CLMT
$1.55B
| $2.04M | ﹤0.01% |
126,938
+104,948
| +477% | +$1.68M |
|
280
InMode
INMD
$947M
| $2.02M | ﹤0.01% |
110,836
-24,587
| -18% | -$448K |
|
281
Boston Scientific
BSX
$159B
| $2.01M | ﹤0.01% |
26,154
+22,371
| +591% | +$1.72M |
|
|
TIGR
282
UP Fintech Holding
TIGR
$2.18B
| $2.01M | ﹤0.01% |
478,546
+147,549
| +45% | +$619K |
|
283
Lincoln National
LNC
$7.98B
| $2.01M | ﹤0.01% |
64,559
+8,372
| +15% | +$260K |
|
284
Chewy
CHWY
$17.5B
| $2M | ﹤0.01% |
+73,390
| New | +$2M |
|
285
Sibanye-Stillwater
SBSW
$6.08B
| $2M | ﹤0.01% |
459,503
+44,622
| +11% | +$194K |
|
286
Veralto
VLTO
$26.2B
| $1.99M | ﹤0.01% |
+20,848
| New | +$1.99M |
|
287
Arcus Biosciences
RCUS
$1.3B
| $1.98M | ﹤0.01% |
129,860
+120,137
| +1,236% | +$1.83M |
|
288
Futu Holdings
FUTU
$26.1B
| $1.97M | ﹤0.01% |
29,971
-29,160
| -49% | -$1.91M |
|
289
Crocs
CROX
$4.72B
| $1.96M | ﹤0.01% |
13,443
-44,933
| -77% | -$6.55M |
|
290
B2Gold
BTG
$5.52B
| $1.95M | ﹤0.01% |
723,639
+604,445
| +507% | +$1.63M |
|
291
VeriSign
VRSN
$26.2B
| $1.92M | ﹤0.01% |
10,790
+8,250
| +325% | +$1.47M |
|
292
NextNav
NN
$2.14B
| $1.91M | ﹤0.01% |
236,000
+118,359
| +101% | +$959K |
|
293
ICICI Bank
IBN
$113B
| $1.91M | ﹤0.01% |
+66,279
| New | +$1.91M |
|
294
Vanguard Real Estate ETF
VNQ
$34.7B
| $1.9M | ﹤0.01% |
22,685
+6,163
| +37% | +$516K |
|
295
Consumers Staples Select Sector SPDR Fund
XLP
$15.8B
| $1.89M | ﹤0.01% |
+24,709
| New | +$1.89M |
|
296
T-Mobile US
TMUS
$284B
| $1.89M | ﹤0.01% |
10,712
-30,359
| -74% | -$5.35M |
|
297
Generac Holdings
GNRC
$10.6B
| $1.88M | ﹤0.01% |
14,251
+11,915
| +510% | +$1.58M |
|
298
GoDaddy
GDDY
$20.1B
| $1.88M | ﹤0.01% |
+13,469
| New | +$1.88M |
|
299
Lightspeed Commerce
LSPD
$1.65B
| $1.88M | ﹤0.01% |
137,220
-40,040
| -23% | -$548K |
|
300
Valaris
VAL
$3.64B
| $1.88M | ﹤0.01% |
25,214
+22,587
| +860% | +$1.68M |
|