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 | +$234M | |
| 2 | +$97.5M | |
| 3 | +$96.8M | |
| 4 |
iShares Bitcoin Trust
IBIT
|
+$80.6M |
| 5 |
Pinduoduo
PDD
|
+$54.9M |
Top Sells
| 1 | +$129M | |
| 2 | +$92.9M | |
| 3 | +$82.9M | |
| 4 |
Alphabet (Google) Class C
GOOG
|
+$68.4M |
| 5 |
Meta Platforms (Facebook)
META
|
+$59.2M |
Sector Composition
| 1 | Technology | 34.01% |
| 2 | Consumer Discretionary | 12.8% |
| 3 | Healthcare | 10.63% |
| 4 | Financials | 7.04% |
| 5 | Communication Services | 4.24% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
51
Adobe
ADBE
$108B
| $11.4M | 0.25% |
32,247
+6,617
|
|
||
52
D-Wave Quantum
QBTS
$6.95B
| $11.1M | 0.25% |
449,601
+370,856
|
|
||
53
3M
MMM
$87.1B
| $10.5M | 0.23% |
67,633
+62,109
|
|
||
54
Invesco S&P 500 Equal Weight ETF
RSP
$89.2B
| $10.1M | 0.22% |
53,151
+14,252
|
|
||
55
TeraWulf
WULF
$6.79B
| $9.85M | 0.22% |
862,222
-872
|
|
||
56
Mercado Libre
MELI
$89.1B
| $9.49M | 0.21% |
4,060
+50
|
|
||
57
ServiceNow
NOW
$113B
| $9.48M | 0.21% |
51,500
+28,125
|
|
||
58
Strategy Inc
MSTR
$43.2B
| $9.43M | 0.21% |
+29,257
|
|
||
59
Vertiv
VRT
$97.5B
| $9.4M | 0.21% |
62,337
+6,234
|
|
||
60
Direxion Daily TSLA Bull 2X Shares
TSLL
$5.1B
| $9.15M | 0.2% |
433,696
-382,936
|
|
||
61
Warner Bros
WBD
$69.8B
| $9.1M | 0.2% |
465,696
-46,249
|
|
||
62
Chipotle Mexican Grill
CMG
$48.5B
| $8.99M | 0.2% |
229,446
-104,552
|
|
||
63
Elevance Health
ELV
$70.6B
| $8.91M | 0.2% |
27,588
+26,697
|
|
||
64
iShares MSCI Emerging Markets ETF
EEM
$28.7B
| $8.88M | 0.2% |
166,335
-140,080
|
|
||
65
Moderna
MRNA
$20.9B
| $8.66M | 0.19% |
335,388
-46,399
|
|
||
|
ETH
66
Grayscale Ethereum Staking Mini ETF Shares
ETH
$1.43B
| $8.58M | 0.19% |
218,952
+180,219
|
|
||
67
ProShares Ultra Silver
AGQ
$3.15B
| $8.26M | 0.18% |
108,381
+65,986
|
|
||
68
Snap
SNAP
$8.8B
| $8.25M | 0.18% |
1,070,510
+287,673
|
|
||
69
NIO
NIO
$12.3B
| $8.23M | 0.18% |
1,080,624
+494,379
|
|
||
70
Dow Inc
DOW
$22B
| $8.22M | 0.18% |
360,761
+339,312
|
|
||
71
GraniteShares 2x Long AMD Daily ETF
AMDL
$541M
| $8.18M | 0.18% |
791,465
+369,742
|
|
||
72
Pan American Silver
PAAS
$29B
| $8.04M | 0.18% |
+207,566
|
|
||
73
Oscar Health
OSCR
$4.06B
| $7.97M | 0.18% |
420,833
+210,057
|
|
||
|
74
Alphabet (Google) Class C
GOOG
$3.77T
| $7.89M | 0.17% |
32,412
-325,458
|
|
||
|
NBIS
75
Nebius Group N.V.
NBIS
$23.1B
| $7.78M | 0.17% |
69,267
+14,384
|
|