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 |
Invesco QQQ Trust
QQQ
|
+$41.7M |
| 2 |
Mastercard
MA
|
+$33.6M |
| 3 |
Alibaba
BABA
|
+$33.4M |
| 4 |
Apple
AAPL
|
+$27.9M |
| 5 |
Alphabet (Google) Class C
GOOG
|
+$26M |
Top Sells
| 1 |
JPMorgan Chase
JPM
|
+$60M |
| 2 |
TSMC
TSM
|
+$49.5M |
| 3 |
iShares Silver Trust
SLV
|
+$26M |
| 4 |
Amazon
AMZN
|
+$25.2M |
| 5 |
Boeing
BA
|
+$22.1M |
Sector Composition
| 1 | Consumer Discretionary | 23.12% |
| 2 | Technology | 13.05% |
| 3 | Healthcare | 11.53% |
| 4 | Industrials | 7.38% |
| 5 | Communication Services | 6.71% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
351
Lennar Class A
LEN
$36.9B
| $1.22M | ﹤0.01% |
+16,563
| New | +$1.22M |
|
352
Direxion Daily S&P Oil & Gas Exp & Prod Bear 2X Shares
DRIP
$52.2M
| $1.22M | ﹤0.01% |
4,596
+1,654
| +56% | +$439K |
|
|
GOEV
353
DELISTED
Canoo Inc. Class A Common Stock
GOEV
| $1.22M | ﹤0.01% |
+192
| New | +$1.22M |
|
354
PagSeguro Digital
PAGS
$2.78B
| $1.22M | ﹤0.01% |
+21,409
| New | +$1.22M |
|
355
Blackrock
BLK
$171B
| $1.21M | ﹤0.01% |
+1,683
| New | +$1.21M |
|
356
Corsair Gaming
CRSR
$944M
| $1.21M | ﹤0.01% |
+33,396
| New | +$1.21M |
|
|
NEWR
357
DELISTED
New Relic, Inc.
NEWR
| $1.21M | ﹤0.01% |
18,478
+10,273
| +125% | +$672K |
|
|
ME
358
DELISTED
23andMe Holding Co. Class A Common Stock
ME
| $1.2M | ﹤0.01% |
+5,248
| New | +$1.2M |
|
359
Stryker
SYK
$150B
| $1.2M | ﹤0.01% |
+4,889
| New | +$1.2M |
|
360
Oneok
OKE
$44.9B
| $1.18M | ﹤0.01% |
+30,874
| New | +$1.18M |
|
361
Intuit
INTU
$187B
| $1.18M | ﹤0.01% |
3,104
+165
| +6% | +$62.7K |
|
362
Teva Pharmaceuticals
TEVA
$22.1B
| $1.18M | ﹤0.01% |
122,087
-67,347
| -36% | -$650K |
|
363
Melco Resorts & Entertainment
MLCO
$3.75B
| $1.18M | ﹤0.01% |
63,496
-69,625
| -52% | -$1.29M |
|
|
ZEN
364
DELISTED
ZENDESK INC
ZEN
| $1.18M | ﹤0.01% |
8,217
-18,443
| -69% | -$2.64M |
|
365
Butterfly Network
BFLY
$400M
| $1.17M | ﹤0.01% |
+59,280
| New | +$1.17M |
|
|
VIEW
366
DELISTED
View, Inc. Class A Common Stock
VIEW
| $1.17M | ﹤0.01% |
+1,775
| New | +$1.17M |
|
367
Consolidated Edison
ED
$34.9B
| $1.17M | ﹤0.01% |
16,206
+7,109
| +78% | +$514K |
|
368
Verint Systems
VRNT
$1.23B
| $1.17M | ﹤0.01% |
34,190
+32,441
| +1,855% | +$1.11M |
|
369
Howmet Aerospace
HWM
$72.3B
| $1.17M | ﹤0.01% |
40,970
+23,226
| +131% | +$663K |
|
370
APA Corp
APA
$7.96B
| $1.16M | ﹤0.01% |
81,832
+53,551
| +189% | +$760K |
|
371
HSBC
HSBC
$229B
| $1.16M | ﹤0.01% |
+44,721
| New | +$1.16M |
|
|
FTCH
372
DELISTED
Farfetch Limited Class A Ordinary Shares
FTCH
| $1.16M | ﹤0.01% |
18,109
-14,511
| -44% | -$926K |
|
373
GE Aerospace
GE
$293B
| $1.15M | ﹤0.01% |
21,361
-127,324
| -86% | -$6.85M |
|
374
Lattice Semiconductor
LSCC
$9.13B
| $1.15M | ﹤0.01% |
25,092
+3,196
| +15% | +$146K |
|
375
ProShares Ultra Gold
UGL
$625M
| $1.15M | ﹤0.01% |
67,408
-174,052
| -72% | -$2.97M |
|