BlackLine, Inc.
BlackLine, Inc. (BL) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · BL · as of Sep 30, 2025
Ownership Breakdown
284
Institutional Holders
▼ 21 vs Q2
$3.29B
Total Inst. Value
▼ $417.35M vs Q2
58.66M
Shares Outstanding
freeFloat 80.30%
61.88M
13F Shares Held
▼ 3.59M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
BL largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BLACKROCK, INC. services-prepackaged software | 7.75M | 12.40% | 12.40% | $411.31B | Nov 12, 2025 | ▼ 280.6K |
VANGUARD GROUP INC services-prepackaged software | 7.06M | 11.30% | 11.30% | $374.75B | Nov 7, 2025 | ▼ 86.7K |
CLEARLAKE CAPITAL GROUP, L.P. services-prepackaged software | 5.71M | 9.14% | 9.14% | $303.32B | Nov 14, 2025 | — held |
UBS GROUP AG services-prepackaged software | 2.37M | 3.79% | 3.79% | $125.82B | Nov 13, 2025 | — held |
FIRST MANHATTAN CO. LLC. services-prepackaged software | 2.09M | 3.34% | 3.34% | $110.87B | Nov 14, 2025 | ▲ 260.1K |
ICONIQ CAPITAL, LLC services-prepackaged software | 2.09M | 3.34% | 3.34% | $110.82B | Nov 14, 2025 | — held |
CONESTOGA CAPITAL ADVISORS, LLC services-prepackaged software | 2.07M | 3.31% | 3.31% | $109.75B | Oct 24, 2025 | ▼ 13.0K |
STATE STREET CORP services-prepackaged software | 2.06M | 3.29% | 3.29% | $109.21B | Nov 14, 2025 | ▼ 15.1K |
FMR LLC services-prepackaged software | 1.65M | 2.64% | 2.64% | $87.49B | Nov 13, 2025 | ▼ 752.1K |
HAWK RIDGE CAPITAL MANAGEMENT LP services-prepackaged software | 1.65M | 2.64% | 2.64% | $87.45B | Nov 14, 2025 | ▼ 59.0K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
26
Increased
+1.51M shares1
New Positions
first time holders20
Decreased
−2.05M shares0
Sold Out
fully exitedNet shares change (top 50)
537.5K
+1.51M / −2.05M
Net new holders
+7
1 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
BL insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
18
Buy transactions
26
Sell transactions
0.69
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Stalick Michelle D Chief Accounting Officer | Jun 1, 2026 | Sale | 780 | $30.93 | $24.1K | 36.4K | Form 4 ↗ |
HUGHES GREGORY director | May 21, 2026 | Sale | 1,637 | $30.25 | $49.5K | 7.8K | Form 4 ↗ |
Duan Jimmy C Chief Customer Officer | May 20, 2026 | Tax Withhold | 1,190 | $30.84 | $36.7K | 122.6K | Form 4 ↗ |
Duan Jimmy C Chief Customer Officer | May 20, 2026 | Tax Withhold | 751 | $30.84 | $23.2K | 121.8K | Form 4 ↗ |
Ryan Owen Chief Executive Officer | May 20, 2026 | Tax Withhold | 2,234 | $30.84 | $68.9K | 402.1K | Form 4 ↗ |
Ryan Owen Chief Executive Officer | May 20, 2026 | Tax Withhold | 2,027 | $30.84 | $62.5K | 400.0K | Form 4 ↗ |
Ryan Owen Chief Executive Officer | May 20, 2026 | Tax Withhold | 2,438 | $30.84 | $75.2K | 397.6K | Form 4 ↗ |
Stalick Michelle D Chief Accounting Officer | May 20, 2026 | Tax Withhold | 143 | $30.84 | $4.4K | 37.9K | Form 4 ↗ |
Stalick Michelle D Chief Accounting Officer | May 20, 2026 | Tax Withhold | 161 | $30.84 | $5.0K | 37.7K | Form 4 ↗ |
Stalick Michelle D Chief Accounting Officer | May 20, 2026 | Tax Withhold | 266 | $30.84 | $8.2K | 37.4K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
BlackLine, Inc. (BL) is primarily owned by institutional investors, who hold approximately 100.0% of total shares outstanding. Company insiders own approximately 19.70%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of BlackLine, Inc. is BLACKROCK, INC., holding approximately 7.75 million shares — equal to 12.40% of outstanding shares — as of September 30, 2025.
A total of 284 institutional investors currently hold BL stock, with a combined institutional value of approximately $3.29 billion as of the most recent 13F filing period.
Frequently asked questions
BL ownershipBlackLine, Inc. (BL) is primarily owned by institutional investors, who hold approximately 100.0% of shares. The largest shareholder is BLACKROCK, INC. with a 12.40% stake. Company insiders hold 19.70%. Data sourced from SEC Form 13F as of September 30, 2025.