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SIMPLEX TRADING, LLC

SIMPLEX TRADING, LLC is an institution, managing $4.1B across 2,161 long positions as of Q3 2025 with 37% Technology concentration.

Portfolio Value
$4.1B
Positions
2,161
Top Holding
NVDA at 9.7%
Last Reported
Q3 2025

Top Holdings

Largest long holdings in SIMPLEX TRADING, LLC's portfolio (40.8% of total portfolio)

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HoldingSectorPositionWeightTradedOwnership
1
Nvidia logo
Nvidia
NVDA
Semiconductors
Technology
$401.0M
9.70%
-$62.0M
Sold
0.01%
2.1M shares
2
Apple logo
Apple
AAPL
Consumer Electronics
Technology
$293.7M
7.11%
+$33.6M
Bought
0.01%
1.2M shares
Software - Infrastructure
Technology
$237.4M
5.74%
+$237.4M
Bought
0.01%
458.3K shares
ETF
ETF
$149.4M
3.62%
+$102.8M
Bought
617.6K shares
Medical - Healthcare Plans
Healthcare
$110.5M
2.67%
+$48.3M
Bought
0.04%
320.1K shares
ETF
ETF
$102.8M
2.49%
+$36.1M
Bought
154.3K shares
7
Amazon logo
Amazon
AMZN
Specialty Retail
Consumer Cyclical
$102.5M
2.48%
+$93.9M
Bought
0.00%
466.8K shares
ETF
ETF
$99.4M
2.40%
+$80.5M
Bought
1.5M shares
9
Intel logo
Intel
INTC
Semiconductors
Technology
$94.9M
2.30%
+$13.0M
Bought
0.06%
2.8M shares
Semiconductors
Technology
$92.9M
2.25%
-$89.1M
Sold
0.01%
281.5K shares

Changes

Portfolio activity, position movements, and quarter-over-quarter changes in SIMPLEX TRADING, LLC's latest filing

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Market Value
$4.1B
Prior: $3.4B
Q/Q Change
+22.4%
+$756.4M
Net Flows % of MV
-11.12%
Turnover Ratio
38.96%
New Purchases
189 stocks
$20.2M
Added To
768 stocks
+$1.1B
Sold Out Of
788 stocks
$643.4M
Reduced Holdings
643 stocks
-$935.8M

Increased Positions

PositionShares Δ
1
BLSH
New
New
New
New
New

Decreased Positions

PositionShares Δ
Sold
Sold
Sold
Sold
Sold

Analytics

Portfolio insights and performance metrics for SIMPLEX TRADING, LLC

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Sector Allocation

Technology: 36.60%TechnologyETF: 16.90%ETFConsumer Cyclical: 11.30%Consumer CyclicalHealthcare: 10.30%HealthcareFinancial Services: 6.00%Industrials: 4.00%Communication Services: 3.60%Basic Materials: 2.30%Consumer Defensive: 2.30%Energy: 2.20%Utilities: 1.80%Real Estate: 1.30%
Technology
36.60%
ETF
16.90%
Consumer Cyclical
11.30%
Healthcare
10.30%
Financial Services
6.00%
Industrials
4.00%
Communication Services
3.60%
Basic Materials
2.30%
Consumer Defensive
2.30%
Energy
2.20%
Utilities
1.80%
Real Estate
1.30%

Market Cap Distribution

Mega Cap (> $200B): 35.96%Mega Cap (> $200B)Large Cap ($10B - $200B): 29.21%Large Cap ($10B - $200B)Mid Cap ($2B - $10B): 11.56%Mid Cap ($2B - $10B)Small Cap ($300M - $2B): 5.32%Micro Cap ($50M - $300M): 0.63%Nano Cap (< $50M): 0.40%N/A (ETF or Unknown): 16.93%N/A (ETF or Unknown)
Mega Cap (> $200B)
35.96%
Large Cap ($10B - $200B)
29.21%
Mid Cap ($2B - $10B)
11.56%
Small Cap ($300M - $2B)
5.32%
Micro Cap ($50M - $300M)
0.63%
Nano Cap (< $50M)
0.40%
N/A (ETF or Unknown)
16.93%

Portfolio Concentration

Top 10 Holdings %
40.76%
Top 20 Holdings %
53.5%
Top 50 Holdings %
65.4%
Top 100 Holdings %
73.43%

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