BlackLine
BL · NASDAQ
Who owns BL
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 60.6% of BL’s shares.
- BlackRock Institutional Trust Company, N.A.12.7%
- Clearlake Capital Partners, LLC9.7%
- Tucker (Therese)7.5%
- Vanguard Portfolio Management, LLC6.5%
- Next 6 largest institutions24.1%
- All other shareholders39.4%
| Holder | Shares | % of shares |
|---|---|---|
| BlackRock Institutional Trust Company, N.A. | 7.47M | 12.73% |
| Clearlake Capital Partners, LLC | 5.71M | 9.74% |
| Tucker (Therese) | 4.40M | 7.50% |
| Vanguard Portfolio Management, LLC | 3.80M | 6.48% |
| Fivespan Partners, LP | 3.36M | 5.73% |
| First Manhattan Co. LLC | 2.40M | 4.10% |
| Vanguard Capital Management, LLC | 2.34M | 3.99% |
| State Street Investment Management (US) | 2.16M | 3.68% |
| ICONIQ Capital, LLC | 2.09M | 3.56% |
| Neuberger Berman, LLC | 1.81M | 3.08% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| iShares Core S&P Small-Cap ETF | 3.00M | 5.12% |
| Vanguard Total Stock Market Index Fund | 1.69M | 2.89% |
| iShares Russell 2000 ETF | 1.30M | 2.21% |
| Vanguard Small-Cap Index Fund | 1.21M | 2.06% |
| Neuberger Genesis Fund | 1.09M | 1.86% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders sold $2.44M (6 trades) of BL on the open market, with no buys.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Villanova Patrick | Option exercise | 750 | — |
| Villanova Patrick | Option exercise | 750 | $10.50K |
| Stalick Michelle D | Sale | 780 | $26.25K |
| Tucker Therese | Option exercise | 26.56K | — |
| Tucker Therese | Option exercise | 70.00K | — |
| Tucker Therese | Sale | 70.00K | $2.24M |
| Tucker Therese | Option exercise | 26.56K | $371.84K |
| Tucker Therese | Option exercise | 70.00K | $980.00K |
| Villanova Patrick | Tax withholding | 1.20K | $38.30K |
| Villanova Patrick | Tax withholding | 300 | $9.58K |
Congressional trades
Disclosed by members of Congress over the last 12 months
| Member | Type | Amount | Traded |
|---|---|---|---|
| Lisa McClainHouse | Sale | $1K–$15K | Oct 31, 2025 |
| Lisa McClainHouse | Sale | $1K–$15K | Oct 30, 2025 |
Short interest
Settled Sep 30, 2026
- Shares short
- 5.51M
- Days to cover
- 5.77
- % of shares outstanding
- 9.40%
- Average daily volume
- 955.23K
- Change since last report
- −4.3%
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