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 |
Amazon
AMZN
|
+$102M |
| 2 |
TSMC
TSM
|
+$29.6M |
| 3 |
JPMorgan Chase
JPM
|
+$21.9M |
| 4 |
Boeing
BA
|
+$18.8M |
| 5 |
Target
TGT
|
+$13.5M |
Top Sells
| 1 |
SPDR Gold Trust
GLD
|
+$94.2M |
| 2 |
Tesla
TSLA
|
+$91.2M |
| 3 |
Invesco QQQ Trust
QQQ
|
+$81.5M |
| 4 |
NVIDIA
NVDA
|
+$60M |
| 5 |
iShares MSCI EAFE ETF
EFA
|
+$40.5M |
Sector Composition
| 1 | Consumer Discretionary | 21.73% |
| 2 | Technology | 16.48% |
| 3 | Healthcare | 9.06% |
| 4 | Financials | 8.3% |
| 5 | Communication Services | 7.51% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
376
Hyliion Holdings
HYLN
$289M
| $841K | ﹤0.01% |
+16,896
| New | +$841K |
|
|
CMBT
377
CMB.TECH NV
CMBT
$2.86B
| $841K | ﹤0.01% |
95,267
-36,397
| -28% | -$321K |
|
378
ADT
ADT
$7.07B
| $837K | ﹤0.01% |
102,556
+73,191
| +249% | +$597K |
|
|
FSR
379
DELISTED
Fisker Inc.
FSR
| $835K | ﹤0.01% |
+57,966
| New | +$835K |
|
380
MakeMyTrip
MMYT
$9.53B
| $832K | ﹤0.01% |
54,176
+45,745
| +543% | +$703K |
|
381
Northern Trust
NTRS
$24.3B
| $832K | ﹤0.01% |
10,677
+6,230
| +140% | +$485K |
|
382
iShares 20+ Year Treasury Bond ETF
TLT
$49.2B
| $832K | ﹤0.01% |
5,100
-109,241
| -96% | -$17.8M |
|
383
SPDR S&P MidCap 400 ETF Trust
MDY
$23.9B
| $829K | ﹤0.01% |
2,448
-1,460
| -37% | -$494K |
|
384
Aramark
ARMK
$10.1B
| $827K | ﹤0.01% |
43,317
+30,607
| +241% | +$584K |
|
385
ProShares Trust UltraShort Lehman 7-10 Year Treasury
PST
$13.2M
| $826K | ﹤0.01% |
54,598
-11,900
| -18% | -$180K |
|
386
Union Pacific
UNP
$129B
| $821K | ﹤0.01% |
+4,172
| New | +$821K |
|
|
FTCH
387
DELISTED
Farfetch Limited Class A Ordinary Shares
FTCH
| $820K | ﹤0.01% |
32,620
-6,678
| -17% | -$168K |
|
388
MetLife
MET
$52.9B
| $811K | ﹤0.01% |
21,835
+1,808
| +9% | +$67.2K |
|
|
GRUB
389
DELISTED
Just Eat Takeaway.com N.V. American Depositary Shares
GRUB
| $808K | ﹤0.01% |
5,589
+3,745
| +203% | +$541K |
|
390
Best Buy
BBY
$16.3B
| $807K | ﹤0.01% |
+7,260
| New | +$807K |
|
391
Altice USA
ATUS
$1.05B
| $805K | ﹤0.01% |
30,962
-52,615
| -63% | -$1.37M |
|
392
Ericsson
ERIC
$26.7B
| $801K | ﹤0.01% |
73,607
+28,304
| +62% | +$308K |
|
393
Masco
MAS
$15.9B
| $801K | ﹤0.01% |
+14,543
| New | +$801K |
|
394
Invesco S&P 500 Low Volatility ETF
SPLV
$7.88B
| $795K | ﹤0.01% |
14,836
-5,863
| -28% | -$314K |
|
395
Radware
RDWR
$1.09B
| $791K | ﹤0.01% |
32,641
-16,370
| -33% | -$397K |
|
396
Starbucks
SBUX
$95.3B
| $785K | ﹤0.01% |
9,140
-240,357
| -96% | -$20.6M |
|
|
JOYY
397
JOYY Inc. American Depositary Shares
JOYY
$3.27B
| $781K | ﹤0.01% |
+9,688
| New | +$781K |
|
398
JetBlue
JBLU
$1.87B
| $780K | ﹤0.01% |
68,908
-13,217
| -16% | -$150K |
|
|
JMIA
399
Jumia Technologies
JMIA
$1.19B
| $777K | ﹤0.01% |
97,343
+54,563
| +128% | +$436K |
|
400
KKR & Co
KKR
$124B
| $776K | ﹤0.01% |
22,605
+18,924
| +514% | +$650K |
|