Blackline Inc
Ownership
Ownership Structure
Who owns Blackline Inc (BL)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 75.6% of the shares are freely tradable; institutional investors hold 113.8%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 13.21 | 7,680,962 | +0.4 | 03/31/2026 |
| Clearlake Capital Group LP | 9.83 | 5,712,300 | +0.0 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 6.99 | 4,062,856 | +0.0 | 03/31/2026 |
| Fivespan Partners, LP | 5.79 | 3,363,943 | +11.6 | 06/30/2026 |
| UBS Group AG | 5.51 | 3,203,298 | +381.4 | 03/31/2026 |
| First Manhattan Co. LLC | 4.61 | 2,676,987 | +10.2 | 03/31/2026 |
| Vanguard Capital Management, LLC | 4.04 | 2,349,160 | +0.0 | 03/31/2026 |
| ICONIQ Capital, LLC | 3.59 | 2,087,081 | +0.0 | 06/30/2026 |
| State Street Corp | 3.51 | 2,040,318 | +2.1 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 5.17 | 3,003,238 | +0.0 | 08/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Ryan Owen | Chief Executive Officer | 390,911 | 11,140,964 $ | Aug 20, 2026 | direct |
| Tucker Therese | Director | 381,557 | 10,874,375 $ | Aug 24, 2026 | direct |
| Morgan-Prager Karole | Chief Legal and Administrative | 160,209 | 4,565,957 $ | Aug 20, 2026 | direct |
| Ung Jeremy | Chief Technology Officer | 134,805 | 3,841,943 $ | Aug 20, 2026 | direct |
| Villanova Patrick | Chief Financial Officer | 131,812 | 3,756,642 $ | Sep 2, 2026 | direct |
| Duan Jimmy C | Chief Customer Officer | 119,907 | 3,417,350 $ | Aug 20, 2026 | direct |
| Van Houten Stuart | Chief Commercial Officer | 106,966 | 3,048,531 $ | Aug 20, 2026 | direct |
| Stalick Michelle D | Chief Accounting Officer | 34,712 | 989,292 $ | Aug 27, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 2, 2026 | Villanova Patrick | Chief Financial Officer | Other | 750 | 14.00 | 10,500 |
| Aug 27, 2026 | Stalick Michelle D | Chief Accounting Officer | Sell | 780 | 33.65 | 26,247 |
| Aug 24, 2026 | Tucker Therese | Director | Sell | 70,000 | 31.96 | 2,236,990 |
| Aug 24, 2026 | Tucker Therese | Director | Other | 26,560 | 14.00 | 371,840 |
| Aug 24, 2026 | Tucker Therese | Director | Other | 70,000 | 14.00 | 980,000 |
| Aug 20, 2026 | Duan Jimmy C | Chief Customer Officer | Other | 751 | 31.92 | 23,972 |
| Aug 20, 2026 | Duan Jimmy C | Chief Customer Officer | Other | 1,190 | 31.92 | 37,985 |
| Aug 20, 2026 | Villanova Patrick | Chief Financial Officer | Other | 1,200 | 31.92 | 38,304 |
| Aug 20, 2026 | Villanova Patrick | Chief Financial Officer | Other | 300 | 31.92 | 9,576 |
| Aug 20, 2026 | Villanova Patrick | Chief Financial Officer | Other | 260 | 31.92 | 8,299 |
| Aug 20, 2026 | Van Houten Stuart | Chief Commercial Officer | Other | 1,720 | 31.92 | 54,902 |
| Aug 20, 2026 | Ung Jeremy | Chief Technology Officer | Other | 876 | 31.92 | 27,962 |
| Aug 20, 2026 | Ung Jeremy | Chief Technology Officer | Other | 1,388 | 31.92 | 44,305 |
| Aug 20, 2026 | Stalick Michelle D | Chief Accounting Officer | Other | 302 | 31.92 | 9,640 |
| Aug 20, 2026 | Stalick Michelle D | Chief Accounting Officer | Other | 265 | 31.92 | 8,459 |
| Aug 20, 2026 | Stalick Michelle D | Chief Accounting Officer | Other | 161 | 31.92 | 5,139 |
| Aug 20, 2026 | Stalick Michelle D | Chief Accounting Officer | Other | 143 | 31.92 | 4,565 |
| Aug 20, 2026 | Ryan Owen | Chief Executive Officer | Other | 2,438 | 31.92 | 77,821 |
| Aug 20, 2026 | Ryan Owen | Chief Executive Officer | Other | 2,027 | 31.92 | 64,702 |
| Aug 20, 2026 | Ryan Owen | Chief Executive Officer | Other | 2,235 | 31.92 | 71,341 |
| Aug 20, 2026 | Morgan-Prager Karole | Chief Legal and Administrative | Other | 1,063 | 31.92 | 33,931 |
| Aug 20, 2026 | Morgan-Prager Karole | Chief Legal and Administrative | Other | 884 | 31.92 | 28,217 |
| Aug 20, 2026 | Morgan-Prager Karole | Chief Legal and Administrative | Other | 778 | 31.92 | 24,834 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: September 17, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.