BLACKLINE, INC.

PublicCIK: 1666134
BLNASDAQ
Location

WOODLAND HILLS, CA

13F Filings

Institutional Holders

BLACKLINE, INC.BL— Latest position per institution from SEC 13F filings

15

Institutional holders

60.90M

Total shares held

2.16B

Estimated value

3.04M

Avg. position size

1

BLACKROCK FINANCE, INC.

CIK 1364742

Shares

8.46M

Value

409.67M

Filed

Jun 30, 2024

2

BLACKROCK, INC.

CIK 2012383

Shares

8.24M

Value

231.30M

Filed

Jun 30, 2026

3

VANGUARD GROUP INC

CIK 102909

Shares

6.80M

Value

375.72M

Filed

Dec 31, 2025

4

CLEARLAKE CAPITAL GROUP, L.P.

CIK 1688282

Shares

5.71M

Value

160.34M

Filed

Jun 30, 2026

5

VANGUARD PORTFOLIO MANAGEMENT LLC

CIK 2100121

Shares

3.80M

Value

106.72M

Filed

Jun 30, 2026

6

FIVESPAN PARTNERS, LP

CIK 2040262

Shares

3.36M

Value

94.43M

Filed

Jun 30, 2026

7

FIRST MANHATTAN CO. LLC.

CIK 728083

Shares

2.40M

Value

67.47M

Filed

Jun 30, 2026

8

VANGUARD CAPITAL MANAGEMENT LLC

CIK 2100119

Shares

2.34M

Value

65.72M

Filed

Jun 30, 2026

9

STATE STREET CORP

CIK 93751

Shares

2.16M

Value

60.61M

Filed

Jun 30, 2026

10

ICONIQ CAPITAL, LLC

CIK 1569709

Shares

2.09M

Value

58.58M

Filed

Jun 30, 2026

11

DF DENT & CO INC

CIK 934999

Shares

1.82M

Value

121.94M

Filed

Mar 31, 2023

12

NEUBERGER BERMAN GROUP LLC

CIK 1465109

Shares

1.81M

Value

50.69M

Filed

Jun 30, 2026

13

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM

CIK 1081019

Shares

1.71M

Value

60.97K

Filed

Jun 30, 2026

14

CONESTOGA CAPITAL ADVISORS, LLC

CIK 1163744

Shares

1.69M

Value

62.36M

Filed

Mar 31, 2026

15

KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC

CIK 1021223

Shares

1.68M

Value

81.55M

Filed

Jun 30, 2024

16

CHAMPLAIN INVESTMENT PARTNERS, LLC

CIK 1315478

Shares

1.58M

Value

106.26M

Filed

Mar 31, 2023

17

UBS GROUP AG

CIK 1610520

Shares

1.37M

Value

38.43M

Filed

Jun 30, 2026

18

WESTWOOD HOLDINGS GROUP INC

CIK 1165002

Shares

1.32M

Value

37M

Filed

Jun 30, 2026

19

GEODE CAPITAL MANAGEMENT, LLC

CIK 1214717

Shares

1.28M

Value

36M

Filed

Jun 30, 2026

20

T. ROWE PRICE INVESTMENT MANAGEMENT, INC.

CIK 1897612

Shares

1.28M

Value

86.08K

Filed

Mar 31, 2023

Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.