CSS LLC/IL

Q3 2020 13F Holdings Report, Stock Holdings

Portfolio date: 30 Sep 2020
Reported 13F value: $1,334,659,000
Reported 13F holdings: 510
What this filing covers: Period
Q3 2020
Calendar quarter covered by the filing.
13F holdings
510
Parsed equity rows, excluding option-only view rows.
Reported value
$1,334,659,000
SEC Form 13F market value, not total AUM.
Accepted by SEC
16 Nov 2020
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.
Largest 13F holdings: DHRPRA MONGODB INC ZILLOW GROUP INC WAYFAIR INC DEXCOM INC PCG AAL NEUROCRINE BIOSCIENCES INC CHEGG INC TSLA PCGU LIBERTY MEDIA CORP DEL
+8 more
ON SEMICONDUCTOR CORP SEA LTD WRIGHT MED GROUP N V SREPRA QTSPRB GFLU LSXMA CYTOKINETICS INC
Manager signature: Mitchel Bialek - CCO
Manager location: Chicago, IL
Accepted by SEC: 16 Nov 2020, 13:57:47 UTC
SEC form: 13F-HR
Prior SEC filing: Q2 2020 - 14 Aug 2020
Next SEC filing: Q4 2020 - 16 Feb 2021
Source filing: View source filing
Options holdings: Showing equity holdings. Open options holdings.

Key filing fact

CSS LLC/IL reported $1,334,659,000 across 510 holdings in Q3 2020.

Key facts

CSS LLC/IL reported 13f holdings report, stock holdings for Q3 2020.
13F holdings value: $1,334,659,000.
510 holdings are listed in this filing snapshot.

Change

Previous comparable filing: Q2 2020.
Value moved from $1,194,293,000 to $1,334,659,000.

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.

View source filing

13F holdings

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

Holdings

510

Value

$1,334,659,000

Period

Q3 2020

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

This view compares filing 2020 Q3 with 2020 Q2. Changes are calculated against the previous SEC filing.

Compare Q3 2020 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
Mitchel Bialek	CCO	Chicago, Illinois	16 Nov 2020