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 | |
|---|---|---|---|---|---|---|
501
Peloton Interactive
PTON
$3.2B
| $532K | ﹤0.01% |
5,366
-161,869
| -97% | -$16M |
|
|
SOHU
502
Sohu.com
SOHU
$474M
| $532K | ﹤0.01% |
26,816
+10,411
| +63% | +$207K |
|
503
Protolabs
PRLB
$1.17B
| $531K | ﹤0.01% |
4,106
+1,209
| +42% | +$156K |
|
504
Amplify Alternative Harvest ETF
MJ
$178M
| $529K | ﹤0.01% |
4,237
+2,802
| +195% | +$350K |
|
505
Markel Group
MKL
$24.3B
| $529K | ﹤0.01% |
544
+374
| +220% | +$364K |
|
506
J.M. Smucker
SJM
$11.7B
| $529K | ﹤0.01% |
+4,581
| New | +$529K |
|
507
Ichor Holdings
ICHR
$567M
| $527K | ﹤0.01% |
+24,470
| New | +$527K |
|
508
Annaly Capital Management
NLY
$14.2B
| $524K | ﹤0.01% |
18,401
+6,052
| +49% | +$172K |
|
509
Fortinet
FTNT
$60.9B
| $520K | ﹤0.01% |
22,070
-50,805
| -70% | -$1.2M |
|
510
Direxion Daily Energy Bull 2X Shares
ERX
$224M
| $519K | ﹤0.01% |
55,471
-46,099
| -45% | -$431K |
|
511
ProShares Ultra Financials
UYG
$865M
| $519K | ﹤0.01% |
16,822
+5,458
| +48% | +$168K |
|
512
Pfizer
PFE
$140B
| $518K | ﹤0.01% |
14,900
-433,397
| -97% | -$15.1M |
|
|
CTEV
513
Claritev Corporation
CTEV
$1.04B
| $515K | ﹤0.01% |
+1,258
| New | +$515K |
|
|
DM
514
DELISTED
Desktop Metal, Inc.
DM
| $513K | ﹤0.01% |
+4,755
| New | +$513K |
|
|
CEO
515
DELISTED
CNOOC Limited
CEO
| $508K | ﹤0.01% |
+5,292
| New | +$508K |
|
516
AMC Networks
AMCX
$328M
| $506K | ﹤0.01% |
20,480
+15,477
| +309% | +$382K |
|
517
Becton Dickinson
BDX
$54B
| $505K | ﹤0.01% |
+2,226
| New | +$505K |
|
518
ScottsMiracle-Gro
SMG
$3.5B
| $505K | ﹤0.01% |
3,308
+790
| +31% | +$121K |
|
519
Vanguard Real Estate ETF
VNQ
$34.4B
| $501K | ﹤0.01% |
+6,357
| New | +$501K |
|
520
Alarm.com
ALRM
$2.76B
| $501K | ﹤0.01% |
+9,085
| New | +$501K |
|
521
Light & Wonder
LNW
$7.43B
| $501K | ﹤0.01% |
14,379
+3,858
| +37% | +$134K |
|
522
Topgolf Callaway Brands
MODG
$1.7B
| $500K | ﹤0.01% |
26,141
+21,952
| +524% | +$420K |
|
523
Tilray
TLRY
$1.2B
| $500K | ﹤0.01% |
+103,279
| New | +$500K |
|
524
Brown-Forman Class B
BF.B
$12.9B
| $499K | ﹤0.01% |
6,635
+5,714
| +620% | +$430K |
|
525
RB Global
RBA
$21.6B
| $498K | ﹤0.01% |
8,414
+8,399
| +55,993% | +$497K |
|