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 |
Apple
AAPL
|
$258M |
| 2 |
Vanguard S&P 500 ETF
VOO
|
$75.7M |
| 3 |
Alphabet (Google) Class A
GOOGL
|
$67.2M |
| 4 |
Alphabet (Google) Class C
GOOG
|
$59.4M |
| 5 |
Intel
INTC
|
$45.8M |
Top Sells
| 1 |
SPDR S&P 500 ETF Trust
SPY
|
$56.8M |
| 2 |
iShares Silver Trust
SLV
|
$45.9M |
| 3 |
Ford
F
|
$32.5M |
| 4 |
Exxon Mobil
XOM
|
$20.4M |
| 5 |
Caterpillar
CAT
|
$19.2M |
Sector Composition
| 1 | Technology | 26.01% |
| 2 | Consumer Discretionary | 9.82% |
| 3 | Communication Services | 9.82% |
| 4 | Financials | 8.68% |
| 5 | Healthcare | 6.23% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
351
Generac Holdings
GNRC
$10.6B
| $1.04M | ﹤0.01% |
4,930
-6,988
| -59% | -$1.47M |
|
352
Altria Group
MO
$112B
| $1.03M | ﹤0.01% |
+24,713
| New | +$1.03M |
|
353
Tencent Music
TME
$37.7B
| $1.03M | ﹤0.01% |
204,268
-257,081
| -56% | -$1.29M |
|
354
Zscaler
ZS
$42.7B
| $1.03M | ﹤0.01% |
6,857
-20,171
| -75% | -$3.02M |
|
|
TBCH
355
Turtle Beach Corporation Common Stock
TBCH
$305M
| $1.02M | ﹤0.01% |
83,403
+7,394
| +10% | +$90.4K |
|
356
Tilray
TLRY
$1.31B
| $1.01M | ﹤0.01% |
325,180
+324,180
| +32,418% | +$1.01M |
|
357
Lightspeed Commerce
LSPD
$1.65B
| $1.01M | ﹤0.01% |
45,295
+19,556
| +76% | +$436K |
|
358
Axsome Therapeutics
AXSM
$6.25B
| $1.01M | ﹤0.01% |
26,340
+25,340
| +2,534% | +$970K |
|
359
Regions Financial
RF
$24.1B
| $1M | ﹤0.01% |
53,394
-15,489
| -22% | -$290K |
|
|
SHLX
360
DELISTED
Shell Midstream Partners, L.P.
SHLX
| $993K | ﹤0.01% |
70,586
+40,591
| +135% | +$571K |
|
361
T-Mobile US
TMUS
$284B
| $985K | ﹤0.01% |
7,328
-8,963
| -55% | -$1.2M |
|
362
Direxion Daily MSCI Brazil Bull 2X Shares
BRZU
$133M
| $983K | ﹤0.01% |
15,254
-4,301
| -22% | -$277K |
|
363
West Pharmaceutical
WST
$18B
| $982K | ﹤0.01% |
3,250
-9,565
| -75% | -$2.89M |
|
364
RingCentral
RNG
$2.89B
| $981K | ﹤0.01% |
18,787
+13,778
| +275% | +$719K |
|
365
Alto Ingredients
ALTO
$90.6M
| $970K | ﹤0.01% |
261,677
+158,916
| +155% | +$589K |
|
366
Huntington Bancshares
HBAN
$25.7B
| $968K | ﹤0.01% |
+80,495
| New | +$968K |
|
367
Mid-America Apartment Communities
MAA
$17B
| $968K | ﹤0.01% |
+5,545
| New | +$968K |
|
368
Box
BOX
$4.75B
| $965K | ﹤0.01% |
38,418
-78,493
| -67% | -$1.97M |
|
|
ARNC
369
DELISTED
Arconic Corporation
ARNC
| $950K | ﹤0.01% |
33,880
+21,311
| +170% | +$598K |
|
370
Green Plains
GPRE
$698M
| $949K | ﹤0.01% |
+34,940
| New | +$949K |
|
371
HDFC Bank
HDB
$361B
| $943K | ﹤0.01% |
17,168
+1,670
| +11% | +$91.7K |
|
372
L3Harris
LHX
$51B
| $942K | ﹤0.01% |
3,900
+3,696
| +1,812% | +$893K |
|
|
EDR
373
DELISTED
Endeavor Group Holdings, Inc.
EDR
| $938K | ﹤0.01% |
+45,647
| New | +$938K |
|
374
Bloom Energy
BE
$13.4B
| $938K | ﹤0.01% |
56,892
+38,960
| +217% | +$642K |
|
375
Rogers Corp
ROG
$1.43B
| $937K | ﹤0.01% |
3,578
+2,268
| +173% | +$594K |
|