# BLACKLINE INC COM

BLACKLINE INC COM is a security (CUSIP 09239B109) tracked across SEC portfolio filings. 280 institutional managers reported $2.5B on Form 13F as of 2026-06-30; 24 registered fund positions totaling $52.0M via N-PORT as of 2026-05-31.

## Summary

- Issuer: BLACKLINE INC
- Class: COM
- CUSIP: 09239B109
- Asset category: EC
- 13F holders: 280
- 13F value: $2.5B
- 13F period: 2026-06-30
- N-PORT fund positions: 24
- N-PORT value: $52.0M
- N-PORT report: 2026-05-31

## Top institutional holders (Form 13F)

_Showing 15 of 280 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $375.7M | 6,795,523 |
| BlackRock, Inc. | New York, NY | $284.2M | 7,680,962 |
| [CLEARLAKE CAPITAL GROUP, L.P.](https://search.stillhousedata.com/firm/157920) | SANTA MONICA, CA | $211.4M | 5,712,300 |
| UBS Group AG | Zurich, V8 | $155.0M | 3,203,298 |
| [Fivespan Partners, LP](https://search.stillhousedata.com/firm/332551) | SAN FRANCISCO, CA | $111.5M | 3,013,943 |
| [FIRST MANHATTAN CO. LLC.](https://search.stillhousedata.com/firm/325281) | New York, NY | $99.0M | 2,676,987 |
| [ICONIQ Capital, LLC](https://search.stillhousedata.com/firm/159198) | SAN FRANCISCO, CA | $77.2M | 2,087,081 |
| STATE STREET CORP | BOSTON, MA | $75.5M | 2,040,318 |
| NEUBERGER BERMAN GROUP LLC | NEW YORK, NY | $74.9M | 2,024,391 |
| [HAWK RIDGE CAPITAL MANAGEMENT LP](https://search.stillhousedata.com/firm/163818) | LOS ANGELES, CA | $70.0M | 1,890,823 |
| WESTWOOD HOLDINGS GROUP INC | DALLAS, TX | $53.9M | 1,456,649 |
| [Engaged Capital LLC](https://search.stillhousedata.com/firm/161251) | Newport Beach, CA | $50.6M | 1,367,619 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $45.7M | 1,234,191 |
| JPMORGAN CHASE & CO | NEW YORK, NY | $44.2M | 1,210,288 |
| MORGAN STANLEY | NEW YORK, NY | $40.1M | 1,083,687 |

## Top fund holders (N-PORT)

_Showing 15 of 24 fund positions by value._

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $20.6M | 2.53% |
| [VANGUARD RUSSELL 2000 INDEX FUND](https://search.stillhousedata.com/fund/S000030003) | VANGUARD SCOTTSDALE FUNDS | $7.5M | 4.28% |
| [U.S. MICRO CAP PORTFOLIO](https://search.stillhousedata.com/fund/S000000948) | DFA INVESTMENT DIMENSIONS GROUP INC | $6.0M | 8.08% |
| [Nicholas Limited Edition, Inc.](https://search.stillhousedata.com/fund/S000009136) | Nicholas Limited Edition, Inc. | $4.4M | 132.65% |
| [Nationwide Geneva Small Cap Growth Fund](https://search.stillhousedata.com/fund/S000041104) | Nationwide Mutual Funds | $4.0M | 36.12% |
| [Small Cap Growth Fund](https://search.stillhousedata.com/fund/S000008021) | VALIC Co II | $3.6M | 118.87% |
| [Master Small Cap Index Series](https://search.stillhousedata.com/fund/S000002716) | Quantitative Master Series LLC | $3.0M | 6.20% |
| [Embark Small Cap Equity Fund](https://search.stillhousedata.com/fund/S000083503) | Harbor Funds II | $1.6M | 27.37% |
| [VANGUARD BALANCED INDEX FUND](https://search.stillhousedata.com/fund/S000002560) | VANGUARD VALLEY FORGE FUNDS | $1.1M | 0.19% |
| [VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002855) | VANGUARD INSTITUTIONAL INDEX FUNDS | $922K | 0.30% |
| [BNY Mellon Smallcap Stock Index Fund](https://search.stillhousedata.com/fund/S000000132) | BNY MELLON INDEX FUNDS, INC. | $778K | 9.19% |
| [Fidelity Nasdaq Composite Index ETF](https://search.stillhousedata.com/fund/S000006011) | Fidelity Commonwealth Trust | $582K | 0.53% |
| [First Trust Nasdaq BuyWrite Income ETF](https://search.stillhousedata.com/fund/S000040305) | First Trust Exchange-Traded Fund VI | $401K | 5.17% |
| [DWS Small Cap Index VIP](https://search.stillhousedata.com/fund/S000006223) | DEUTSCHE DWS INVESTMENTS VIT FUNDS | $257K | 6.13% |
| [Goldman Sachs ActiveBeta(R) U.S. Small Cap Equity ETF](https://search.stillhousedata.com/fund/S000048296) | Goldman Sachs ETF Trust | $185K | 1.88% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/09239b109.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.
