SIMPLEX TRADING, LLC

Q4 2020 13F Holdings Report, Stock Holdings

Holdings as of: 31 Dec 2020
Reported market value: $2,180,149,000
Reported holdings: 2,220
Top reported holdings: TSLA AMZN QQQ GOOG MA BABA AAPL SPY AZO WMT JNJ XLU
+8 more
XPEV META BA GILD CSX GM AVGO NEM
What this filing covers: Shows parsed Form 13F equity positions for Q4 2020, including reported market value and holding count.
Use the holdings table for individual securities; Form 13F market value should not be treated as total AUM.
SEC classifies this as a holdings report: this manager reports its visible U.S.-listed equity holdings in this filing.
Signature and title: Erik Swanson - Chief Executive Officer
Location: Chicago, IL
Filing time: 02 Feb 2021, 16:33:51 UTC
Form type: 13F-HR
Previous filing: Q3 2020 - 14 Oct 2020
Next filing: Q1 2021 - 26 Apr 2021
SEC filing: View on sec.gov
Options holdings: Showing equity holdings. Open options holdings.

Key filing fact

SIMPLEX TRADING, LLC reported $2,180,149,000 across 2,220 holdings in Q4 2020.

Key facts

SIMPLEX TRADING, LLC reported 13f holdings report, stock holdings for Q4 2020.
Reported holdings value: $2,180,149,000.
2,220 holdings are listed in this filing snapshot.

Change

Previous comparable filing: Q3 2020.
Value moved from $1,796,322,000 to $2,180,149,000.

Research use

This filing-level page explains what the portfolio report tells you before the holdings table.
You can cite quarter, value, and filing timestamp directly from SEC-linked data.

Evidence

Backed by Form 13F

Portfolio-level numbers on this page come from the original SEC Form 13F filing.

See Original Filing

13F holdings

Reported holdings

Security, weight, value, share count, and activity in one filing-backed table.

Holdings

2,220

Value

$2,180,149,000

Period

Q4 2020

Sym	Weight	Trade Impact	Company	Class	Share Change	Activity	Value change	Reported value	Reported price	Shares	Principal

This view compares filing 2020 Q4 with 2020 Q3. Changes are calculated against the previous SEC filing.

Compare Q4 2020 to

Reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held.
^* indicates a reported price that failed the local validity check.

Person Signing this Report on Behalf of Reporting Manager:

Name	Title	City, State	Date
Erik Swanson	Chief Executive Officer	Chicago, Illinois	02 Feb 2021