Data as of Q4 2025 (Dec 31, 2025)

SIMPLEX TRADING, LLC

โ€ขCIK: 1488542โ€ขFiling: Q4 2025

SIMPLEX TRADING, LLC, managed by the renowned trader and author Dave Nadig, maintains a concentrated portfolio with $177.4B in AUM, focusing heavily on large-cap U.S. equities, notably the SPDR S&P 500 ETF. Recently, the fund has made notable moves by adding high-growth names like NFLX and KIMBERLY, while exiting positions in TAIWAN SEM, reflecting its strategy of capitalizing on tech and consumer trends.

Total AUM
$3.6B
+ $173.9B in options
QoQ Performance
-21.6%
Positions
2,007
+ 3254 options
Top 10 Concentration
57.1%
Latest Filing
Q4 2025

Top Holdings Allocation

SPY
SPY
IVZ
SPY15.9%
SPY7.5%
IVZ5.3%
IVZ3.3%
TSLA3.3%
ISHARES3.1%
NVDA3.0%
TSLA3.0%

๐Ÿ“ˆ Biggest Buys

METACALL
META PLATFORMS INC
+50.1%
1.7% of portfolio
IVZCALL
INVESCO QQQ TR
+19.5%
3.3% of portfolio
NFLXPUT
NETFLIX INC
+996.4%
0.5% of portfolio
NFLXCALL
NETFLIX INC
+1371.4%
0.5% of portfolio
SPYCALL
SPDR S&P 500 ETF TR
+5.8%
7.5% of portfolio

๐Ÿ“‰ Biggest Sells

SPYPUT
SPDR S&P 500 ETF TR
-11.7%
15.9% of portfolio
IVZPUT
INVESCO QQQ TR
-18.9%
5.3% of portfolio
โ€”PUT
ISHARES TR
-13.9%
3.1% of portfolio
GLDPUT
SPDR GOLD TR
-30.8%
0.9% of portfolio
AAPLPUT
APPLE INC
-20.6%
1.2% of portfolio

Sector Breakdown

Other35.7%
ETF27.2%
Technology22.6%
Consumer9.7%
Healthcare1.4%
Financial1.4%
Communication1.2%
Industrial0.4%

๐Ÿšช Exited Positionssold since Q3 2025

ICLR
TAIWAN SEMICONDUCTOR MFG LTD
SOLD
$675.1M
ICLR
TAIWAN SEMICONDUCTOR MFG LTD
SOLD
$388.9M
MSFT
MICROSOFT CORP
SOLD
$237.4M
โ€”
WOLFSPEED INC
SOLD
$222.3M
INTR
INTERNATIONAL BUSINESS MACHS
SOLD
$187.6M
+8719 more exited positions

Changes from Q3 2025

NEW2 new positions
โ†‘69 increased
โ†“129 decreased

Historical Filings

Q4 2025Q3 2025Q2 2025Q1 2025Q4 2024Q3 2024Q2 2024Q1 2024Q4 2023