SIMPLEX TRADING, LLC

Q4 2014 13F Holdings Report, Stock Holdings

Holdings as of: 31 Dec 2014
13F market value: $480,836,000
13F holdings: 1,360
Largest 13F holdings: AAPL GILD PCLN AMZN BIDU CMG MU MSFT MA TWTR IBM YHOO
+8 more
DXJ GS META TRW B108PS LVS DVN DAL
What this filing covers: Period
Q4 2014
Calendar quarter covered by the filing.
13F holdings
1,360
Parsed equity rows, excluding option-only view rows.
Reported value
$480,836,000
SEC Form 13F market value, not total AUM.
Accepted by SEC
04 Mar 2015
EDGAR acceptance date.
How to read this filing
Start with the largest positions and changes, then open issuer-level rows for CUSIP-specific history.
Form 13F market value excludes cash and many non-13F assets, so it should not be treated as total assets under management.
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
Accepted by SEC: 04 Mar 2015, 10:12:48 UTC
Form type: 13F-HR
Next filing: Q1 2015 - 21 Apr 2015
SEC filing: View on sec.gov
Options holdings: Showing equity holdings. Open options holdings.

Key filing fact

SIMPLEX TRADING, LLC reported $480,836,000 across 1,360 holdings in Q4 2014.

Key facts

SIMPLEX TRADING, LLC reported 13f holdings report, stock holdings for Q4 2014.
13F holdings value: $480,836,000.
1,360 holdings are listed in this filing snapshot.

Change

No earlier comparable filing is available in this series.
This page will show quarter-over-quarter deltas once prior reports are present.

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

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

Holdings

1,360

Value

$480,836,000

Period

Q4 2014

Sym	Weight	Trade Impact	Company	Class	Share Change	Activity	Value change	SEC-reported value	SEC-reported price	Shares	Principal

Compare Q4 2014 to

SEC-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.
^* marks a reported price that did not pass the local price check.

Person Signing this Report on Behalf of Reporting Manager:

Name	Title	City, State	Date
Erik Swanson	Chief Executive Officer	Chicago, Illinois	03 Mar 2015