Period
Q3 2017
Calendar quarter covered by the filing.
SIMPLEX TRADING, LLC portfolio
Q3 2017 · Holdings as of · Filed · $1,635,561,000 reported in Form 13F
What changed in Q3 2017?
Comparable share positions since Q2 2017.
- New
- 621
- Increased
- 535
- Reduced
- 488
- Exited
- 727
39 positions with incomplete comparison or price data excluded.
Largest disclosed changes
-
46,678 shares
+$44,873,681 estimated
Weight +2.09 percentage points
-
-176,879 shares
-$42,769,000 estimated
Weight -2.83 percentage points
-
-187,633 shares
-$32,316,000 estimated
Weight -2.14 percentage points
-
214,170 shares
+$31,735,000 estimated
Weight +1.94 percentage points
-
254,534 shares
+$26,076,645 estimated
Weight +1.59 percentage points
Estimates use share changes and filing prices. They are not trade proceeds. Options and principal positions are excluded.
Compare with Q2 2017Holdings
| Sym | Weight | Trade Impact | Company | Class | Share Change | Activity | Value change | SEC-reported value | SEC-reported price | Shares | Principal |
|---|
Filing details and SEC source
- Portfolio date
- 30 Sep 2017
- Reported 13F value
- $1,635,561,000
- Reported 13F holdings
- 1,692
- Largest 13F holdings
-
AMZN GOOG NVDA AAPL MU GOOGL META IWM NFLX TWX PCLN NTES
+8 more
TLT BA TSLA JD MCD BABA DWDP DE - What this filing covers
-
13F holdings
1,692Parsed equity rows, excluding option-only view rows.
Reported value
$1,635,561,000SEC Form 13F market value, not total AUM.
Accepted by SEC
25 Oct 2017EDGAR 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.
- Manager signature
- Erik Swanson - Chief Executive Officer
- Manager location
- Chicago, IL
- Accepted by SEC
- 25 Oct 2017, 12:45:32 UTC
- SEC form
- 13F-HR
- Prior SEC filing
- Q2 2017 - 12 Jul 2017
- Next SEC filing
- Q4 2017 - 10 Jan 2018
- Source filing
- View source filing
- Options holdings
- Showing equity holdings. Open options holdings.
13F snapshot
Latest parsed holdings, value, and filing-period context.
1 signal
Manager
Names, identifiers, and filing context for this profile.
2 identity fields
Source evidence
Original filing metadata and source links for verification.
5 source fields
Related views
1 detail
This view compares filing 2017 Q3 with 2017 Q2. Changes are calculated against the previous SEC filing.
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.
* 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 | 25 Oct 2017 |