BlacklineBL
13F holders, Q1 2026 (March 31)At the end of Q1 2026, 279 institutions reported holding Blackline Inc. (BL) in their 13F filings, down 29 from Q4 2025. 47 opened new positions and 77 sold out. The largest holders were BlackRock, Inc. ($284.2M), Clearlake Capital Group, L.P. ($211.4M) and Vanguard Portfolio Management LLC ($150.3M). 4 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio), Ken Griffin (0.0% of Citadel Advisors's portfolio) and Cliff Asness (0.0% of AQR Capital Management's portfolio).
- Company
- Blackline Inc.
- CUSIP
- 09239B109
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 47 | $78.9M |
| Exits | 77 | $182.1M |
All 13F filers, Q4 2025 → Q1 2026: 9,842,801 shares bought and 8,439,188 shares sold, net +1,403,613 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 279 holders
| BlackRock, Inc. | 0.01% | Add +0.4% | 7,680,962 | $284.2M |
| Clearlake Capital Group, L.P. | 31.07% | No change | 5,712,300 | $211.4M |
| Vanguard Portfolio Management LLC | 0.01% | — | 4,062,856 | $150.3M |
| UBS Group AG | 0.02% | Add +381.4% | 3,203,298 | $118.5M |
| Fivespan Partners, LP | 29.55% | Add +225.5% | 3,013,943 | $111.5M |
| First Manhattan Co. Llc. | 0.27% | Add +10.2% | 2,676,987 | $99.0M |
| Vanguard Capital Management LLC | 0.00% | — | 2,349,160 | $86.9M |
| ICONIQ Capital, LLC | 1.73% | No change | 2,087,081 | $77.2M |
| State Street Corp. | 0.00% | Add +2.1% | 2,040,318 | $75.5M |
| Neuberger Berman Group LLC | 0.06% | Reduce -6.1% | 2,024,391 | $74.9M |
| Hawk Ridge Capital Management LP | 2.55% | Add +26.3% | 1,890,823 | $70.0M |
| Conestoga Capital Advisors, LLC | 1.25% | Reduce -8.8% | 1,685,484 | $62.4M |
| Westwood Holdings Group Inc. | 0.39% | Reduce -4.2% | 1,456,649 | $53.9M |
| Engaged Capital LLC | 16.68% | Add +26.2% | 1,367,619 | $50.6M |
| Geode Capital Management, LLC | 0.00% | Reduce -0.9% | 1,234,191 | $45.7M |
| JPMorgan Chase & Co. | 0.00% | Reduce -3.7% | 1,210,288 | $44.2M |
| Morgan Stanley | 0.00% | Reduce -15.0% | 1,083,687 | $40.1M |
| Dimensional Fund Advisors LP | 0.01% | Add +20.6% | 1,063,655 | $39.4M |
| Bank of America Corp. | 0.00% | Add +9.3% | 914,813 | $33.8M |
| FMR LLC | 0.00% | Reduce -30.2% | 885,381 | $32.8M |
| Tensile Capital Management LP | 3.98% | Reduce -5.1% | 750,786 | $27.8M |
| First Trust Advisors LP | 0.02% | Add +34.9% | 616,716 | $22.8M |
| Northern Trust Corp. | 0.00% | Reduce -7.2% | 591,514 | $21.9M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +7.9% | 520,850 | $19.3M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -32.4% | 508,929 | $18.8M |
| Geneva Capital Management LLC | 0.38% | Reduce -42.1% | 478,086 | $17.7M |
| Arrowstreet Capital, Limited Partnership | 0.01% | New | 468,519 | $17.3M |
| Palisade Capital Management, LP | 0.59% | Add +6.2% | 441,232 | $16.3M |
| Potrero Capital Research LLC | 9.56% | Add +13.7% | 421,149 | $15.6M |
| Jupiter Asset Management Ltd. | 0.08% | Add +4373.3% | 390,787 | $14.5M |
| Bank of New York Mellon Corp | 0.00% | Reduce -3.0% | 377,360 | $14.0M |
| BNP Paribas Financial Markets | 0.01% | Reduce -0.3% | 376,466 | $13.9M |
| Principal Financial Group Inc. | 0.01% | Add +11.1% | 361,796 | $13.4M |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 349,982 | $12.9M |
| Barclays PLC | 0.00% | Reduce -29.7% | 331,995 | $12.3M |
| Westerly Capital Management, LLC | 3.53% | Add +244.4% | 310,000 | $11.5M |
| Gagnon Securities LLC | 2.53% | Add +6.1% | 296,424 | $11.0M |
| T. Rowe Price Associates Inc. | 0.00% | Add +3.4% | 271,844 | $10.1M |
| Royal Bank of Canada | 0.00% | Reduce -6.8% | 259,350 | $9.6M |
| Invesco Ltd. | 0.00% | Add +11.3% | 252,140 | $9.3M |
| Ameriprise Financial Inc. | 0.00% | Reduce -20.3% | 249,288 | $9.2M |
| Invenomic Capital Management LP | 0.40% | New | 235,012 | $8.7M |
| Susquehanna International Group, LLP | 0.01% | Add +1029.4% | 230,521 | $8.5M |
| Federated Hermes, Inc. | 0.01% | Add +7.3% | 215,207 | $8.0M |
| Balyasny Asset Management L.P. | 0.02% | New | 210,169 | $7.8M |
| New York State Common Retirement Fund | 0.01% | Add +11.8% | 187,603 | $6.9M |
| Bank of Montreal | 0.00% | Reduce -11.0% | 181,998 | $6.7M |
| Public Sector Pension Investment Board | 0.02% | Add +3.4% | 178,722 | $6.6M |
| Schwartz Investment Counsel Inc. | 0.23% | Reduce -74.6% | 175,000 | $6.5M |
| Millennium Management | 0.01% | Reduce -17.3% | 173,164 | $6.4M |
| Fifth Third Bancorp | 0.01% | Add +9214.2% | 172,964 | $6.4M |
| Armistice Capital, LLC | 0.21% | New | 168,000 | $6.2M |
| Tejara Capital Ltd | 1.98% | New | 162,300 | $6.0M |
| Citadel Advisors | 0.00% | Add +122.3% | 159,199 | $5.9M |
| Portolan Capital Management, LLC | 0.31% | New | 159,026 | $5.9M |
| Barton Investment Management | 0.74% | Reduce -1.0% | 158,644 | $5.9M |
| Renaissance Group LLC | 0.24% | Add +23.0% | 156,812 | $5.8M |
| Scalar Gauge Management, LLC | 5.47% | Reduce -71.0% | 153,143 | $5.7M |
| XTX Topco Ltd | 0.09% | New | 147,170 | $5.4M |
| Nicholas Company, Inc. | 0.10% | Reduce -0.5% | 141,155 | $5.2M |
| Natixis | 0.02% | New | 135,822 | $5.0M |
| CANADA LIFE ASSURANCE Co | 0.01% | Add +23.1% | 134,975 | $5.0M |
| Rhumbline Advisers | 0.00% | Add +1.1% | 131,600 | $4.9M |
| Gagnon Advisors, LLC | 3.54% | No change | 130,050 | $4.8M |
| Mutual of America Capital Management LLC | 0.05% | Reduce -0.2% | 124,085 | $4.6M |
| Legal & General Group Plc | 0.00% | Reduce -9.4% | 118,388 | $4.4M |
| Nuveen, LLC | 0.00% | Add +0.5% | 117,175 | $4.3M |
| Public Employees Retirement System of Ohio | 0.01% | Add +7.8% | 115,536 | $4.3M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +0.8% | 113,885 | $4.2M |
| Select Equity Group, L.P. | 0.02% | Reduce -59.1% | 112,252 | $4.2M |
| Sei Investments Co. | 0.00% | Reduce -51.1% | 105,267 | $3.9M |
| Alliancebernstein L.P. | 0.00% | Add +2.5% | 67,077 | $3.7M |
| Swiss National Bank | 0.00% | Reduce -3.6% | 100,000 | $3.7M |
| American Century Companies Inc. | 0.00% | Reduce -93.3% | 85,741 | $3.2M |
| Two Sigma Investments, LP | 0.00% | New | 85,625 | $3.2M |
| Granite Investment Partners, LLC | 0.19% | Add +3.3% | 82,990 | $3.1M |
| Raymond James Financial Inc. | 0.00% | Reduce -59.0% | 82,037 | $3.0M |
| Bullseye Asset Management LLC | 1.48% | No change | 69,042 | $2.6M |
| AQR Capital Management | 0.00% | Add +452.2% | 68,526 | $2.5M |
| Envestnet Asset Management Inc. | 0.00% | Reduce -12.0% | 66,656 | $2.5M |
| Jane Street Group, LLC | 0.00% | Reduce -72.9% | 66,285 | $2.5M |
| Readystate Asset Management LP | 0.25% | Reduce -5.9% | 66,080 | $2.4M |
| Fred Alger Management, LLC | 0.01% | Reduce -0.9% | 62,835 | $2.3M |
| California State Teachers Retirement System | 0.00% | Add +23.0% | 62,541 | $2.3M |
| Ewing Morris & Co. Investment Partners Ltd. | 1.00% | Add +700.0% | 60,000 | $2.2M |
| Bessemer Group Inc. | 0.00% | Reduce -0.5% | 58,544 | $2.2M |
| Prudential Financial Inc. | 0.00% | Add +9.9% | 51,596 | $1.9M |
| Harbor Capital Advisors, Inc. | 0.15% | New | 50,330 | $1.9M |
| Shay Capital LLC | 0.26% | New | 49,820 | $1.8M |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.00% | — | 48,302 | $1.8M |
| Deutsche Bank AG | 0.00% | Add +11.5% | 47,614 | $1.8M |
| ExodusPoint Capital Management, LP | 0.02% | New | 47,230 | $1.7M |
| Redmond Asset Management, LLC | 0.45% | Reduce -5.7% | 44,570 | $1.6M |
| HRT Financial LP | 0.00% | Reduce -78.1% | 42,978 | $1.6M |
| Hussman Strategic Advisors, Inc. | 0.34% | New | 42,000 | $1.6M |
| Quantinno Capital Management LP | 0.00% | Add +196.2% | 41,647 | $1.5M |
| Wesbanco Bank Inc. | 0.04% | Add +25.4% | 41,400 | $1.5M |
| Amundi | 0.00% | Add +35.0% | 37,191 | $1.4M |
| Nexpoint Asset Management, L.P. | 0.09% | No change | 35,450 | $1.3M |
| Thrivent Financial for Lutherans | 0.00% | Reduce -69.0% | 33,354 | $1.2M |
"% of holder's portfolio" is BL's weight in each manager's 13F, not the share of Blackline Inc. the manager owns.