Blackline, Inc. (BL) Institutional Ownership

Institutions by Trading Activity

68,512,613Shares Outstanding

8Shares held by institutions

$453Value of institutional holdings

0.03%Institutional ownership %

76.72%Shares Changed QoQ

5No. of institutional investors

A total of 5 institutions have reported a stake in Blackline, Inc. (NASDAQ:BL) as of December 2025, according to recent 13F filings with the SEC.

The percentage of Blackline owned by institutions changed from 90.4% in September 2025 to 0.0% in December 2025, marking a slight down trend.
The company experienced a 76.72% quarterly change in institutional shares held, alongside a decrease of 98.34% in total owners annually.
A review of institutional activity for Blackline shows 3 of 5 filers increasing their positions, while 1 reduced their stake, and 1 remained unchanged.
This class of investors increased its holdings in Blackline to 17.65K shares for the 13F-cycle ending December 2025, up by 7.66K shares quarter on quarter, and down 63.85Mn shares year over year.
The top institutional stake in Blackline as of December 31, 2025 belongs to SG Americas Securities, LLC, which owns 15.22K shares, or 0.02% of the company.
Among the most significant buyers of Blackline during December 2025 were SG Americas Securities, LLC (6.48K), GAMMA Investing LLC (1.17K), MassMutual Private Wealth & Trust, FSB (24).
Leading sellers of Blackline stock in December 2025 included Versant Capital Management, Inc (18).
The top 5 institutional holders of Blackline for the quarter ending December 2025 included SG Americas Securities, LLC (15.22K), GAMMA Investing LLC (1.70K), Versant Capital Management, Inc (649), MassMutual Private Wealth & Trust, FSB (72), True Wealth Design, LLC (8).

8 Total Shares Held

Rows:

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	30 Sep, 2025	7,745,950	-280,609	-3.50%	$411,309,919.00
VANGUARD GROUP INC	30 Sep, 2025	7,057,455	-86,691	-1.21%	$374,750,860.00
CLEARLAKE CAPITAL GROUP, L.P.	30 Sep, 2025	5,712,300	0	0.00%	$303,323,130.00
FIRST MANHATTAN CO. LLC.	30 Sep, 2025	2,087,998	260,080	14.23%	$110,872,694.00
ICONIQ Capital, LLC	30 Sep, 2025	2,087,081	0	0.00%	$110,824,001.00
Conestoga Capital Advisors, LLC	30 Sep, 2025	2,066,770	-12,968	-0.62%	$109,745,487.00
STATE STREET CORP	30 Sep, 2025	2,056,688	-15,114	-0.73%	$109,210,133.00
FMR LLC	30 Sep, 2025	1,647,657	-752,067	-31.34%	$87,490,602.00
HAWK RIDGE CAPITAL MANAGEMENT LP	30 Sep, 2025	1,646,805	-59,033	-3.46%	$87,445,346.00
Neuberger Berman Group LLC	30 Sep, 2025	1,540,505	-35,461	-2.25%	$81,800,816.00
WESTWOOD HOLDINGS GROUP INC	30 Sep, 2025	1,385,983	71,252	5.42%	$73,595,697.00
JPMORGAN CHASE & CO	30 Sep, 2025	1,369,903	-101,031	-6.87%	$72,741,849.00
AMERICAN CENTURY COMPANIES INC	30 Sep, 2025	1,286,185	-14,822	-1.14%	$68,296,525.00
MORGAN STANLEY	30 Sep, 2025	1,269,944	1,310	0.10%	$67,434,134.00
GEODE CAPITAL MANAGEMENT, LLC	30 Sep, 2025	1,263,417	2,773	0.22%	$67,096,797.00
BANK OF AMERICA CORP /DE/	30 Sep, 2025	998,085	-3,170	-0.32%	$52,998,295.00
GENEVA CAPITAL MANAGEMENT LLC	30 Sep, 2025	918,205	-6,120	-0.66%	$48,756,705.00
DIMENSIONAL FUND ADVISORS LP	30 Sep, 2025	858,135	4,708	0.55%	$45,566,058.00
Tensile Capital Management LP	30 Sep, 2025	812,685	1,200	0.15%	$43,154.00
RIVERBRIDGE PARTNERS LLC	30 Sep, 2025	720,617	-58,504	-7.51%	$38,264,757.00

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