What does CUSIP 09239B109 represent in this 13F holders report?

CUSIP 09239B109 is the security identifier for BL - BLACKLINE, INC. - Common Stock used to aggregate holder disclosures.

How many institutions held BL - BLACKLINE, INC. - Common Stock in Q1 2021?

340 institutional investors reported BL - BLACKLINE, INC. - Common Stock for Q1 2021. Use the holders table for investor-level position and value details.

BLACKLINE, INC. - Common Stock (BL)

CUSIP: 09239B109

Q1 2021 13F Holders as of 31 Mar 2021

Security type / class: Equity / Common Stock
Total 13F shares: 55,009,179
Total 13F value: $5,964,494,988
Share change: -234,849
Put/Call ratio: 276%
SEC-reported price per share: $108.40
Number of holders: 340
Value change: -$41,948,810
Number of buys: 162
Number of sells: 179
Shares outstanding: 59,681,308

Security key

09239B109

Report period

Q1 2021

Institutions

340

Top holders

BL full security history Ownership snapshot Full 13F holder table BLACKLINE, INC. SEC filings BLACKLINE, INC. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Ownership snapshot

Top reported holders of BL - BLACKLINE, INC. - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

VANGUARD GROUP INC

Disclosed value leader

VANGUARD GROUP INC

Comparable rows

15/15

Latest evidence

31 Dec 2020

13F Lead comparable stake: 8% Showing 1-6 of 15 holder rows.

Quick read

VANGUARD GROUP INC leads the comparable SEC ownership view at 8%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens VANGUARD GROUP INC's linked filing trail.

Comparable ownership Top 5

VANGUARD GROUP INC 8%

KAYNE ANDERSON RUDNICK INVESTMENT... 6.7%

BlackRock Finance, Inc. 6.3%

DF DENT & CO INC 4.3%

Artisan Partners Limited Partnership 4.1%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
VANGUARD GROUP INC	13F Company 13F	8%	$638,467,000 4,786,830 shares	—	31 Dec 2020
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC	13F Company 13F	6.7%	$531,934,000 3,988,103 shares	—	31 Dec 2020
BlackRock Finance, Inc.	13F Company 13F	6.3%	$497,531,000 3,730,175 shares	—	31 Dec 2020
DF DENT & CO INC	13F Company 13F	4.3%	$343,727,000 2,577,053 shares	—	31 Dec 2020
Artisan Partners Limited Partnership	13F Company 13F	4.1%	$323,695,000 2,426,862 shares	—	31 Dec 2020
RIVERBRIDGE PARTNERS LLC	13F Company 13F	3.5%	$275,118,000 2,062,664 shares	—	31 Dec 2020

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q1 2021

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

340

55,009,179

Rows available

340

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* 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. The marker flags a reported price that did not pass the local price check.

Compare Q1 2021 vs Q1 2021 Across Filers

Q1 2021 holders

340

Q1 2021 holders

340

Holder diff

Investor	Q1 2021 Shares	Q1 2021 Shares	Share Diff	Share Chg %	Q1 2021 value	Q1 2021 value	Value change	Value Chg %