Latest Period
Q4 2025
Security Snapshot
BLACKLINE, INC. - Common Stock (BL) Institutional Ownership
CUSIP: 09239B109
13F Institutional Holders and Ownership History from Q1 2016 to Q1 2026
Institutions Reporting
299
Shares (Excl. Options)
64,149,777
Price
$55.29
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- Type / Class
- Equity / Common Stock
- Symbol
- BL on Nasdaq
- Shares outstanding
- 59,681,308
- Price per share
- $30.29
- All holders as of 31 Dec 2025
- Q4 2025
- Total 13F shares
- 64,149,777
- Total reported value
- $3,547,022,483
- % of total 13F portfolios
- 0.01%
- Share change
- +1,384,165
- Value change
- +$77,593,592
- Number of holders
- 299
- Price from insider filings
- $30.29
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors
Quick Takeaways
- BL - BLACKLINE, INC. - Common Stock is tracked under CUSIP 09239B109.
- 299 institutions reported positions in Q4 2025.
- 4 significant owners is listed from Schedule 13D/13G reporting.
What Changed
- Holder count moved from 299 to 163 between Q4 2025 and Q1 2026.
- Reported value moved from $3,547,022,483 to $1,066,851,920.
Why This Matters
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Source Evidence
Source: SEC Form 13F
Open SEC Evidence
Latest holder context comes from 299 institutions filings for Q4 2025.
Investment Quick Answers
What is CUSIP 09239B109?
CUSIP 09239B109 identifies BL - BLACKLINE, INC. - Common Stock in SEC 13F datasets.
Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.
Next ownership checks
Use the next link that matches the question you still need to answer about this security.
- Latest 13F filings when you want to inspect fresh institutional portfolio moves.
- Latest Schedule 13D/13G reports when you need large-owner changes outside the 13F cycle.
- All institutional ownership pages to compare this security with other holder-history pages.
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 09239B109:
Significant Owners of BLACKLINE, INC. - Common Stock (BL) based on Schedule 13D/G filings
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 13% | $444,455,053 | 7,849,789 | BlackRock, Inc. | 30 Jun 2025 | |||
| VANGUARD PORTFOLIO MANAGEMENT LLC | 6.9% | $151,924,738 | 4,106,074 | Vanguard Portfolio Management | 31 Mar 2026 | |||
| Fivespan Partners, LP | 5.1% | $132,161,401 | 3,013,943 | Fivespan Partners, LP | 11 Mar 2026 | |||
| FMR LLC | 4.3% | -30% | $144,240,856 | -$64,474,263 | 2,688,553 | -31% | FMR LLC | 30 Jun 2025 |
As of 31 Dec 2025, 299 institutional investors reported holding 64,149,777 shares of BLACKLINE, INC. - Common Stock (BL). This represents 107% of the company’s total 59,681,308 outstanding shares.
Top 25 Institutional Shareholders
The largest institutional shareholders of BLACKLINE, INC. - Common Stock (BL) together control 82% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 13% | 7,646,938 | -1.3% | 0.01% | $422,799,177 |
| VANGUARD GROUP INC | 11% | 6,795,523 | -3.7% | 0.01% | $375,724,467 |
| CLEARLAKE CAPITAL GROUP, L.P. | 9.6% | 5,712,300 | 0% | 30% | $315,833,067 |
| FIRST MANHATTAN CO. LLC. | 4.1% | 2,428,604 | +16% | 0.35% | $134,277,515 |
| NEUBERGER BERMAN GROUP LLC | 3.6% | 2,155,321 | +40% | 0.09% | $119,167,698 |
| ICONIQ Capital, LLC | 3.5% | 2,087,081 | 0% | 1.7% | $115,394,708 |
| STATE STREET CORP | 3.3% | 1,999,194 | -2.8% | 0% | $110,535,436 |
| Conestoga Capital Advisors, LLC | 3.1% | 1,848,997 | -11% | 1.7% | $102,231,044 |
| WESTWOOD HOLDINGS GROUP INC | 2.5% | 1,519,799 | +9.7% | 0.68% | $84,029,687 |
| HAWK RIDGE CAPITAL MANAGEMENT LP | 2.5% | 1,497,631 | -9.1% | 3.8% | $82,804,018 |
| NORGES BANK | 2.4% | 1,461,152 | 0.01% | $80,787,094 | |
| MORGAN STANLEY | 2.1% | 1,274,776 | +0.38% | 0% | $70,482,449 |
| AMERICAN CENTURY COMPANIES INC | 2.1% | 1,272,708 | -1% | 0.04% | $70,368,162 |
| FMR LLC | 2.1% | 1,267,822 | -23% | 0% | $70,097,864 |
| JPMORGAN CHASE & CO | 2.1% | 1,256,211 | -8.3% | 0% | $69,455,933 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.1% | 1,245,237 | -1.4% | 0% | $68,860,240 |
| Engaged Capital LLC | 1.8% | 1,083,619 | +139% | 15% | $59,913,295 |
| Fivespan Partners, LP | 1.6% | 926,044 | 0% | 14% | $51,200,973 |
| DIMENSIONAL FUND ADVISORS LP | 1.5% | 882,078 | +2.8% | 0.01% | $48,776,401 |
| BANK OF AMERICA CORP /DE/ | 1.4% | 837,217 | -16% | 0% | $46,289,710 |
| GENEVA CAPITAL MANAGEMENT LLC | 1.4% | 825,862 | -10% | 0.86% | $45,661,892 |
| Tensile Capital Management LP | 1.3% | 790,945 | -2.7% | 5.7% | $43,731,000 |
| GOLDMAN SACHS GROUP INC | 1.3% | 753,078 | +13% | 0.01% | $41,637,683 |
| SCHWARTZ INVESTMENT COUNSEL INC | 1.2% | 690,000 | 0% | 1.3% | $38,150,100 |
| UBS Group AG | 1.1% | 665,422 | +46% | 0.01% | $36,791,183 |
Institutional Holders of BLACKLINE, INC. - Common Stock (BL) across Reporting Periods
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 28,850,763 | $1,066,851,920 | -$58,772,574 | $37.00 | 163 |
| 2025 Q4 | 64,149,777 | $3,547,022,483 | +$77,593,592 | $55.29 | 299 |
| 2025 Q3 | 61,879,283 | $3,285,751,510 | -$197,097,007 | $53.10 | 269 |
| 2025 Q2 | 65,396,594 | $3,702,799,134 | +$41,023,113 | $56.62 | 289 |
| 2025 Q1 | 64,747,306 | $3,135,070,587 | +$22,489,022 | $48.42 | 274 |
| 2024 Q4 | 63,925,987 | $3,885,395,724 | +$125,225,163 | $60.76 | 300 |
| 2024 Q3 | 60,428,214 | $3,332,284,862 | -$133,652,802 | $55.14 | 289 |
| 2024 Q2 | 62,733,307 | $3,039,431,581 | +$5,310,712 | $48.45 | 311 |
| 2024 Q1 | 62,305,769 | $4,023,331,497 | +$342,199,269 | $64.58 | 300 |
| 2023 Q4 | 57,097,449 | $3,565,115,054 | -$61,943,905 | $62.44 | 315 |
| 2023 Q3 | 58,214,471 | $3,228,965,561 | +$19,358,483 | $55.47 | 296 |
| 2023 Q2 | 57,961,761 | $3,119,590,082 | -$174,475,398 | $53.82 | 289 |
| 2023 Q1 | 60,217,011 | $4,043,292,237 | +$45,901,194 | $67.15 | 311 |
| 2022 Q4 | 59,866,001 | $4,027,696,666 | -$30,053,822 | $67.27 | 296 |
| 2022 Q3 | 60,185,402 | $3,603,941,106 | -$150,638,299 | $59.90 | 287 |
| 2022 Q2 | 61,701,996 | $4,110,761,434 | +$121,952,785 | $66.60 | 295 |
| 2022 Q1 | 59,772,902 | $4,378,709,707 | -$79,763,190 | $73.22 | 313 |
| 2021 Q4 | 60,436,901 | $6,255,827,623 | +$246,172,643 | $103.54 | 354 |
| 2021 Q3 | 57,849,818 | $6,830,494,078 | +$99,784,508 | $118.06 | 328 |
| 2021 Q2 | 57,076,343 | $6,351,992,792 | +$232,643,370 | $111.27 | 331 |
| 2021 Q1 | 55,009,179 | $5,964,494,988 | -$41,948,810 | $108.40 | 340 |
| 2020 Q4 | 54,805,055 | $7,309,094,231 | -$5,168,274 | $133.38 | 346 |
| 2020 Q3 | 54,501,809 | $4,886,925,888 | +$128,062,995 | $89.63 | 293 |
| 2020 Q2 | 53,116,947 | $4,404,345,280 | +$135,248,429 | $82.91 | 269 |
| 2020 Q1 | 52,041,627 | $2,736,027,312 | -$84,850,501 | $52.61 | 233 |
| 2019 Q4 | 52,453,013 | $2,705,103,112 | +$61,567,698 | $51.56 | 221 |
| 2019 Q3 | 51,158,505 | $2,445,668,214 | +$204,127,630 | $47.81 | 209 |
| 2019 Q2 | 46,895,719 | $2,509,194,748 | -$20,970,575 | $53.51 | 214 |
| 2019 Q1 | 48,085,933 | $2,227,244,741 | +$71,502,518 | $46.32 | 195 |
| 2018 Q4 | 47,139,584 | $1,930,444,972 | +$45,241,608 | $40.95 | 163 |
| 2018 Q3 | 44,988,048 | $2,540,286,438 | +$13,568,283 | $56.47 | 178 |
| 2018 Q2 | 44,938,761 | $1,951,754,154 | +$97,318,777 | $43.43 | 155 |
| 2018 Q1 | 42,789,068 | $1,677,805,811 | +$48,387,369 | $39.21 | 154 |
| 2017 Q4 | 42,402,407 | $1,391,012,665 | +$1,885,758 | $32.80 | 123 |
| 2017 Q3 | 41,938,550 | $1,430,938,049 | +$41,376,698 | $34.12 | 89 |
| 2017 Q2 | 40,771,580 | $1,457,177,498 | +$65,749,486 | $35.74 | 89 |
| 2017 Q1 | 38,894,995 | $1,157,516,762 | +$46,882,255 | $29.76 | 65 |
| 2016 Q4 | 38,092,304 | $1,052,489,000 | +$1,052,489,005 | $27.63 | 67 |
| 2016 Q3 | 0 | $0 | -$43,000 | $30.29 | 0 |
| 2016 Q1 | 1,432 | $43,000 | $30.03 | 1 |