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
|
$586M |
| 2 |
Strategy Inc Common Stock Class A
MSTR
|
$82.5M |
| 3 |
Intel
INTC
|
$40.4M |
| 4 |
Invesco QQQ Trust
QQQ
|
$39.4M |
| 5 |
Uber
UBER
|
$36.3M |
Top Sells
| 1 |
NVIDIA
NVDA
|
$130M |
| 2 |
Pinduoduo
PDD
|
$95.7M |
| 3 |
Boeing
BA
|
$56.2M |
| 4 |
KraneShares CSI China Internet ETF
KWEB
|
$40.7M |
| 5 |
Microsoft
MSFT
|
$40.5M |
Sector Composition
| 1 | Technology | 34.29% |
| 2 | Consumer Discretionary | 11.38% |
| 3 | Healthcare | 9.65% |
| 4 | Financials | 6.33% |
| 5 | Communication Services | 5.52% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
451
MicroSectors FANG+ ETNs due Jan 8 2038
FNGS
$511M
| $972K | ﹤0.01% |
16,956
+12,656
| +294% | +$726K |
|
452
Ryder
R
$7.64B
| $969K | ﹤0.01% |
+6,181
| New | +$969K |
|
453
Axos Financial
AX
$5.13B
| $967K | ﹤0.01% |
13,858
+11,378
| +459% | +$794K |
|
454
AerCap
AER
$22B
| $964K | ﹤0.01% |
+10,081
| New | +$964K |
|
|
GRRR
455
Gorilla Technology Group
GRRR
$392M
| $962K | ﹤0.01% |
+53,299
| New | +$962K |
|
456
NexGen Energy
NXE
$4.46B
| $961K | ﹤0.01% |
145,687
-154,289
| -51% | -$1.02M |
|
457
Visa
V
$666B
| $956K | ﹤0.01% |
3,027
-63,183
| -95% | -$20M |
|
458
Skechers
SKX
$9.5B
| $955K | ﹤0.01% |
14,203
-20,840
| -59% | -$1.4M |
|
459
Marriott International Class A Common Stock
MAR
$71.9B
| $954K | ﹤0.01% |
+3,421
| New | +$954K |
|
460
Clover Health Investments
CLOV
$1.41B
| $953K | ﹤0.01% |
302,669
+242,810
| +406% | +$765K |
|
461
AGNC Investment
AGNC
$10.8B
| $952K | ﹤0.01% |
+103,398
| New | +$952K |
|
462
Vestis
VSTS
$601M
| $950K | ﹤0.01% |
62,336
-2,004
| -3% | -$30.5K |
|
463
Illumina
ILMN
$15.7B
| $948K | ﹤0.01% |
+7,095
| New | +$948K |
|
464
ProShares Ultra Silver
AGQ
$894M
| $947K | ﹤0.01% |
28,155
+18,954
| +206% | +$638K |
|
465
Funko
FNKO
$179M
| $945K | ﹤0.01% |
+70,627
| New | +$945K |
|
466
Parker-Hannifin
PH
$96.1B
| $943K | ﹤0.01% |
1,483
-42
| -3% | -$26.7K |
|
467
Vipshop
VIPS
$8.45B
| $938K | ﹤0.01% |
69,680
-80,753
| -54% | -$1.09M |
|
|
JOYY
468
JOYY Inc. American Depositary Shares
JOYY
$3.21B
| $938K | ﹤0.01% |
+22,429
| New | +$938K |
|
469
Accenture
ACN
$159B
| $937K | ﹤0.01% |
+2,665
| New | +$937K |
|
470
InMode
INMD
$947M
| $927K | ﹤0.01% |
55,533
-34,546
| -38% | -$577K |
|
471
TeraWulf
WULF
$3.58B
| $924K | ﹤0.01% |
163,367
-89,122
| -35% | -$504K |
|
472
East-West Bancorp
EWBC
$14.8B
| $916K | ﹤0.01% |
9,566
+5,298
| +124% | +$507K |
|
473
Elevance Health
ELV
$70.6B
| $911K | ﹤0.01% |
+2,470
| New | +$911K |
|
474
Skywest
SKYW
$4.81B
| $910K | ﹤0.01% |
9,091
-507
| -5% | -$50.8K |
|
475
Hormel Foods
HRL
$14.1B
| $904K | ﹤0.01% |
28,827
-30,302
| -51% | -$950K |
|