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

64.03M

Total shares held

2.74B

Estimated value

3.20M

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

7.68M

Value

284.20M

Filed

Mar 31, 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

211.36M

Filed

Mar 31, 2026

5

UBS GROUP AG

CIK 1610520

Shares

4.19M

Value

155M

Filed

Mar 31, 2026

6

VANGUARD PORTFOLIO MANAGEMENT LLC

CIK 2100121

Shares

4.06M

Value

150.33M

Filed

Mar 31, 2026

7

FIVESPAN PARTNERS, LP

CIK 2040262

Shares

3.01M

Value

111.52M

Filed

Mar 31, 2026

8

FIRST MANHATTAN CO. LLC.

CIK 728083

Shares

2.68M

Value

99.05M

Filed

Mar 31, 2026

9

VANGUARD CAPITAL MANAGEMENT LLC

CIK 2100119

Shares

2.35M

Value

86.92M

Filed

Mar 31, 2026

10

ICONIQ CAPITAL, LLC

CIK 1569709

Shares

2.09M

Value

77.22M

Filed

Mar 31, 2026

11

STATE STREET CORP

CIK 93751

Shares

2.04M

Value

75.49M

Filed

Mar 31, 2026

12

NEUBERGER BERMAN GROUP LLC

CIK 1465109

Shares

2.02M

Value

74.90M

Filed

Mar 31, 2026

13

HAWK RIDGE CAPITAL MANAGEMENT LP

CIK 1609074

Shares

1.89M

Value

69.96M

Filed

Mar 31, 2026

14

DF DENT & CO INC

CIK 934999

Shares

1.82M

Value

121.94M

Filed

Mar 31, 2023

15

CONESTOGA CAPITAL ADVISORS, LLC

CIK 1163744

Shares

1.69M

Value

62.36M

Filed

Mar 31, 2026

16

KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC

CIK 1021223

Shares

1.68M

Value

81.55M

Filed

Jun 30, 2024

17

CHAMPLAIN INVESTMENT PARTNERS, LLC

CIK 1315478

Shares

1.58M

Value

106.26M

Filed

Mar 31, 2023

18

NORGES BANK

CIK 1374170

Shares

1.46M

Value

80.79M

Filed

Dec 31, 2025

19

WESTWOOD HOLDINGS GROUP INC

CIK 1165002

Shares

1.46M

Value

53.90M

Filed

Mar 31, 2026

20

ENGAGED CAPITAL LLC

CIK 1559771

Shares

1.37M

Value

50.60M

Filed

Mar 31, 2026

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