Blackline, Inc.

Exchange: Nasdaq
Industry: Services-Prepackaged Software
SEC CIK: 0001666134

SEC filings (opens in a new tab)

In the last 90 days, Blackline, Inc. insiders filed 0 open-market purchases and 2 sales; 247 institutions reported holding it in 13F filings for Q2 2026, worth $1.70B in total; no superinvestor holds it.

13F holders, Q3 2026

Institutional positions in Blackline, Inc. as of Sep 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Q3 2026 data is still coming in (13F filing deadline: Nov 16, 2026), so these numbers are incomplete.

Institutional holders: 2; 0 vs. Q2 2026
Shares held: 4.36K; +506 (+13.1%) vs. Q2 2026
Total value: $115.6K; +$7.50K (+6.9%) vs. Q2 2026
New holders: 0; 2 more added
Sold out: 0; 0 more reduced

245 institutions that held it in Q2 2026 haven't filed for Q3 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2026: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting BL on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holders

Value held

Institutions holding BL and their total value by quarter
Quarter	Holders	Value
Q2 2026	247	$1.70B
Q1 2026	279	$2.37B
Q4 2025	308	$3.55B
Q3 2025	273	$3.29B
Q2 2025	297	$3.70B
Q1 2025	278	$3.14B
Q4 2024	306	$3.89B
Q3 2024	292	$3.33B
Q2 2024	313	$3.04B
Q1 2024	303	$4.02B
Q4 2023	316	$3.57B
Q3 2023	298	$3.23B
Q2 2023	293	$3.12B
Q1 2023	314	$4.04B
Q4 2022	301	$4.01B
Q3 2022	296	$3.60B
Q2 2022	306	$4.11B
Q1 2022	328	$4.38B
Q4 2021	367	$6.28B
Q3 2021	340	$6.85B
Q2 2021	342	$6.37B
Q1 2021	355	$5.99B

Institutions, Q3 2026

Shares, value and share of portfolio for each institution holding Blackline, Inc.; share changes are against Q2 2026.

Institutions holding BL in Q3 2026
Institution	Shares	Value	% of portfolio	Change in shares	Action
Envestnet Asset Management Inc	–	–	–	–	Not filed
Thrivent Financial for Lutherans	–	–	–	–	Not filed
Amundi	–	–	–	–	Not filed
MetLife Investment Management	–	–	–	–	Not filed
Vanguard Global Advisers, LLC	–	–	–	–	Not filed
Chicago Capital, LLC	–	–	–	–	Not filed
State of Wyoming	–	–	–	–	Not filed
Creative Planning	–	–	–	–	Not filed
Manufacturers Life Insurance Company, The	–	–	–	–	Not filed
Zurcher Kantonalbank (Zurich Cantonalbank)	–	–	–	–	Not filed
Mirae Asset Global ETFs Holdings Ltd.	–	–	–	–	Not filed
State Board of Administration of Florida Retirement System	–	–	–	–	Not filed
Louisiana State Employees Retirement System	–	–	–	–	Not filed
P Schoenfeld Asset Management LP	–	–	–	–	Not filed
Raymond James Financial Inc	–	–	–	–	Not filed
Entropy Technologies, LP	–	–	–	–	Not filed
Handelsbanken Fonder AB	–	–	–	–	Not filed
Glenmede Trust Co NA	–	–	–	–	Not filed
Acadian Asset Management LLC	–	–	–	–	Not filed
State of Alaska, Department of Revenue	–	–	–	–	Not filed
Simplex Trading, LLC	–	–	–	–	Not filed
Cresset Asset Management, LLC	–	–	–	–	Not filed
Police & Firemen's Retirement System of New Jersey	–	–	–	–	Not filed
Russell Investments Group, Ltd.	–	–	–	–	Not filed
Jupiter Topco LLC	–	–	–	–	Not filed
BNP PARIBAS ASSET MANAGEMENT Holding S.A.	–	–	–	–	Not filed
JustInvest LLC	–	–	–	–	Not filed
Amalgamated Bank	–	–	–	–	Not filed
Yousif Capital Management, LLC	–	–	–	–	Not filed
American Century Companies Inc	–	–	–	–	Not filed
Cim Investment Mangement Inc	–	–	–	–	Not filed
Teachers Retirement System of the State of Kentucky	–	–	–	–	Not filed
Vanguard Investments Australia, Ltd.	–	–	–	–	Not filed
New York State Teachers Retirement System	–	–	–	–	Not filed
Rockefeller Capital Management L.P.	–	–	–	–	Not filed
Commonwealth of Pennsylvania Public School Empls Retrmt Sys	–	–	–	–	Not filed
Axq Capital, LP	–	–	–	–	Not filed
State of Tennessee, Treasury Department	–	–	–	–	Not filed
Arizona State Retirement System	–	–	–	–	Not filed
Jefferies Financial Group Inc.	–	–	–	–	Not filed
KLP Kapitalforvaltning AS	–	–	–	–	Not filed
Oregon Public Employees Retirement Fund	–	–	–	–	Not filed
Fifth Third Bancorp	–	–	–	–	Not filed
Intech Investment Management LLC	–	–	–	–	Not filed
Voya Investment Management LLC	–	–	–	–	Not filed
Swiss Life Asset Management Ltd	–	–	–	–	Not filed
Mirabella Financial Services LLP	–	–	–	–	Not filed
Gsa Capital Partners LLP	–	–	–	–	Not filed
Empowered Funds, LLC	–	–	–	–	Not filed
Ronald Blue Trust, Inc.	–	–	–	–	Not filed
ProShare Advisors LLC	–	–	–	–	Not filed
Evanson Financial, LLC	–	–	–	–	Not filed
Mitsubishi UFJ Trust & Banking Corp	–	–	–	–	Not filed
Maryland State Retirement & Pension System	–	–	–	–	Not filed
Inceptionr LLC	–	–	–	–	Not filed
SG Americas Securities, LLC	–	–	–	–	Not filed
Public Employees Retirement Association of Colorado	–	–	–	–	Not filed
Caitong International Asset Management Co., Ltd	–	–	–	–	Not filed
Thompson Investment Management, Inc.	–	–	–	–	Not filed
Ensign Peak Advisors, Inc	–	–	–	–	Not filed
Ameritas Investment Partners, Inc.	–	–	–	–	Not filed
Leonteq Securities AG	–	–	–	–	Not filed
FNY Investment Advisers, LLC	–	–	–	–	Not filed
SRS Capital Advisors, Inc.	–	–	–	–	Not filed
Tower Research Capital LLC (TRC)	–	–	–	–	Not filed
The PNC Financial Services Group, Inc.	–	–	–	–	Not filed
Hantz Financial Services, Inc.	–	–	–	–	Not filed
Nykredit A/S	–	–	–	–	Not filed
Pinnacle Wealth Planning Services, Inc.	–	–	–	–	Not filed
GAMMA Investing LLC	–	–	–	–	Not filed
US Bancorp	–	–	–	–	Not filed
Asset Management One Co.,Ltd.	–	–	–	–	Not filed
Nisa Investment Advisors, LLC	–	–	–	–	Not filed
KBC Group NV	–	–	–	–	Not filed
Broadwater Capital Management LLC	–	–	–	–	Not filed
Wolverine Asset Management LLC	–	–	–	–	Not filed
Signaturefd, LLC	–	–	–	–	Not filed
Huntington National Bank	–	–	–	–	Not filed
Salomon & Ludwin, LLC	–	–	–	–	Not filed
EverSource Wealth Advisors, LLC	–	–	–	–	Not filed
Farther Finance Advisors, LLC	–	–	–	–	Not filed
Smartleaf Asset Management LLC	–	–	–	–	Not filed
Global Retirement Partners, LLC	–	–	–	–	Not filed
SBI Securities Co., Ltd.	–	–	–	–	Not filed
Parkside Financial Bank & Trust	–	–	–	–	Not filed
Allworth Financial LP	–	–	–	–	Not filed
Clear Street Markets LLC	–	–	–	–	Not filed
Vanguard National Trust Co	–	–	–	–	Not filed
Essential Partners LLC	–	–	–	–	Not filed
Parallel Advisors, LLC	–	–	–	–	Not filed
Los Angeles Capital Management LLC	–	–	–	–	Not filed
Optiver Holding B.V.	–	–	–	–	Not filed
Jones Financial Companies LLLP	–	–	–	–	Not filed
Bell Investment Advisors, Inc	–	–	–	–	Not filed
Umb Bank N A	–	–	–	–	Not filed
Covestor Ltd	–	–	–	–	Not filed
STRS Ohio	–	–	–	–	Not filed
PlanVest Financial, Inc	–	–	–	–	Not filed
Sterling Capital Management LLC	–	–	–	–	Not filed
Rothschild Investment LLC	–	–	–	–	Not filed