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 |
iShares 20+ Year Treasury Bond ETF
TLT
|
+$278M |
| 2 |
Alphabet (Google) Class A
GOOGL
|
+$84.4M |
| 3 |
NVIDIA
NVDA
|
+$76.9M |
| 4 |
TSMC
TSM
|
+$74.9M |
| 5 |
Amazon
AMZN
|
+$53.5M |
Top Sells
| 1 |
Apple
AAPL
|
+$497M |
| 2 |
Strategy Inc Common Stock Class A
MSTR
|
+$73.7M |
| 3 |
Alibaba
BABA
|
+$49M |
| 4 |
Advanced Micro Devices
AMD
|
+$48.1M |
| 5 |
Uber
UBER
|
+$41.8M |
Sector Composition
| 1 | Technology | 22.9% |
| 2 | Consumer Discretionary | 12.26% |
| 3 | Healthcare | 9.52% |
| 4 | Communication Services | 8.42% |
| 5 | Financials | 7.07% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
1451
Monte Rosa Therapeutics
GLUE
$297M
| $31K | ﹤0.01% |
+6,756
| New | +$31K |
|
1452
Amplify Alternative Harvest ETF
MJ
$171M
| $31K | ﹤0.01% |
+1,594
| New | +$31K |
|
1453
Mural Oncology
MURA
$36M
| $31K | ﹤0.01% |
24,952
+24,276
| +3,591% | +$30.2K |
|
|
ORLA
1454
Orla Mining
ORLA
$3.77B
| $31K | ﹤0.01% |
3,394
-12,751
| -79% | -$116K |
|
1455
Saia
SAIA
$8.33B
| $31K | ﹤0.01% |
+89
| New | +$31K |
|
1456
Vanguard Russell 1000 ETF
VONE
$6.78B
| $31K | ﹤0.01% |
+124
| New | +$31K |
|
|
SMCY
1457
YieldMax SMCI Option Income Strategy ETF
SMCY
$341M
| $31K | ﹤0.01% |
1,525
-3,163
| -67% | -$64.3K |
|
1458
Annovis Bio
ANVS
$48.3M
| $30K | ﹤0.01% |
+20,184
| New | +$30K |
|
1459
Clarivate
CLVT
$2.88B
| $30K | ﹤0.01% |
+7,738
| New | +$30K |
|
1460
Cricut
CRCT
$1.4B
| $30K | ﹤0.01% |
+5,900
| New | +$30K |
|
1461
Castor Maritime
CTRM
$19.2M
| $30K | ﹤0.01% |
+13,223
| New | +$30K |
|
1462
iShares MSCI Italy ETF
EWI
$729M
| $30K | ﹤0.01% |
710
+693
| +4,076% | +$29.3K |
|
1463
LoveSac
LOVE
$258M
| $30K | ﹤0.01% |
1,680
+1,589
| +1,746% | +$28.4K |
|
1464
Radiant Logistics
RLGT
$307M
| $30K | ﹤0.01% |
4,970
+4,909
| +8,048% | +$29.6K |
|
1465
Tennant Co
TNC
$1.5B
| $30K | ﹤0.01% |
386
-3,137
| -89% | -$244K |
|
|
TESL
1466
Simplify Volt TSLA Revolution ETF
TESL
$39.8M
| $30K | ﹤0.01% |
+1,901
| New | +$30K |
|
1467
Casella Waste Systems
CWST
$5.79B
| $29K | ﹤0.01% |
+266
| New | +$29K |
|
|
EU
1468
enCore Energy
EU
$417M
| $29K | ﹤0.01% |
21,423
-19,883
| -48% | -$26.9K |
|
1469
Madison Square Garden
MSGE
$2.1B
| $29K | ﹤0.01% |
+897
| New | +$29K |
|
1470
Passage Bio
PASG
$22.3M
| $29K | ﹤0.01% |
4,117
+4,088
| +14,097% | +$28.8K |
|
1471
SITE Centers
SITC
$463M
| $29K | ﹤0.01% |
2,270
+526
| +30% | +$6.72K |
|
1472
Solid Power
SLDP
$689M
| $29K | ﹤0.01% |
28,277
-152,005
| -84% | -$156K |
|
1473
BlackRock TCP Capital
TCPC
$605M
| $29K | ﹤0.01% |
3,733
+49
| +1% | +$381 |
|
1474
Vimeo
VMEO
$1.28B
| $29K | ﹤0.01% |
5,634
-7,042
| -56% | -$36.2K |
|
1475
Certara
CERT
$1.81B
| $28K | ﹤0.01% |
2,911
-3,977
| -58% | -$38.3K |
|