BLACKLINE INC (BL) Institutional Ownership Changes & 13F Activity
BLACKLINE INC (BL). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q4 2025). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Clearlake Capital Group, L.P., First Manhattan Co. Llc., Westwood Holdings Group Inc, Hawk Ridge Capital Management Lp, and Fmr Llc.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Neuberger Berman Group Llc | Buy | +614,816 | +39.9% | 2,155,321 | $119.17M | Q4 2025 | Oct 27, 2026 |
| Ensign Peak Advisors, Inc | Sell | -10,316 | -68.0% | 4,863 | $268.88K | Q4 2025 | Aug 18, 2026 |
| Alamar Capital Management, Llc | Buy | +3,700 | — | 3,700 | $204.57K | Q4 2025 | May 20, 2026 |
| Shp Wealth Management | Buy | +70 | — | 70 | $3.89K | Q4 2025 | Mar 04, 2026 |
| Midfirst Bank | Buy | +2,509 | — | 2,509 | $2.21K | Q4 2025 | Feb 25, 2026 |
| Bell Investment Advisors, Inc | Buy | +39 | — | 39 | $2.16K | Q4 2025 | Feb 24, 2026 |
| Virtu Financial Llc | Buy | +3,807 | — | 3,807 | $210.00K | Q4 2025 | Feb 23, 2026 |
| Monetary Solutions, Ltd | Buy | +10 | — | 10 | $553.00 | Q4 2025 | Feb 23, 2026 |
| Raymond James Financial Inc | Buy | +199,860 | — | 199,860 | $11.27M | Q4 2025 | Feb 18, 2026 |
| State Of Tennessee, Department Of Treasury | Buy | +11,561 | — | 11,561 | $537.24K | Q4 2025 | Feb 18, 2026 |
| Papamarkou Wellner Asset Management Inc. | Buy | +6,997 | — | 6,997 | $386.86K | Q4 2025 | Feb 18, 2026 |
| Mercer Global Advisors Inc | Buy | +3,914 | — | 3,914 | $216.41K | Q4 2025 | Feb 18, 2026 |
| Clearlake Capital Group, L.P. | Buy | +5,712,300 | — | 5,712,300 | $315.83M | Q4 2025 | Feb 17, 2026 |
| First Manhattan Co. Llc. | Buy | +2,428,604 | — | 2,428,604 | $134.28M | Q4 2025 | Feb 17, 2026 |
| Westwood Holdings Group Inc | Buy | +1,519,799 | — | 1,519,799 | $84.03M | Q4 2025 | Feb 17, 2026 |
| Hawk Ridge Capital Management Lp | Buy | +1,497,631 | — | 1,497,631 | $82.80M | Q4 2025 | Feb 17, 2026 |
| Fmr Llc | Buy | +1,267,822 | — | 1,267,822 | $70.10M | Q4 2025 | Feb 17, 2026 |
| Bank Of America Corp | Buy | +837,217 | — | 837,217 | $46.29M | Q4 2025 | Feb 17, 2026 |
| Tensile Capital Management Lp | Buy | +790,945 | — | 790,945 | $43.73K | Q4 2025 | Feb 17, 2026 |
| Northern Trust Corp | Buy | +637,392 | — | 637,392 | $35.24M | Q4 2025 | Feb 17, 2026 |
| Engaged Capital | Buy | +629,825 | +138.8% | 1,083,619 | $59.91M | Q4 2025 | Feb 17, 2026 |
| Scalar Gauge Management, Llc | Buy | +527,789 | — | 527,789 | $29.18M | Q4 2025 | Feb 17, 2026 |
| Palisade Capital Management, Lp | Buy | +415,444 | — | 415,444 | $22.97M | Q4 2025 | Feb 17, 2026 |
| Potrero Capital Research Llc | Buy | +370,557 | — | 370,557 | $20.49M | Q4 2025 | Feb 17, 2026 |
| Ameriprise Financial Inc | Buy | +312,597 | — | 312,597 | $17.28M | Q4 2025 | Feb 17, 2026 |
| Royal Bank Of Canada | Buy | +278,388 | — | 278,388 | $15.39M | Q4 2025 | Feb 17, 2026 |
| Select Equity Group, L.P. | Buy | +274,540 | — | 274,540 | $15.18M | Q4 2025 | Feb 17, 2026 |
| Price T Rowe Associates Inc | Buy | +262,811 | — | 262,811 | $14.53M | Q4 2025 | Feb 17, 2026 |
| Ananym Capital Management, Lp | Buy | +253,482 | — | 253,482 | $14.02M | Q4 2025 | Feb 17, 2026 |
| Topline Capital Management, Llc | Buy | +237,173 | — | 237,173 | $13.11M | Q4 2025 | Feb 17, 2026 |
Frequently asked questions about BL activity
Which institutional owners are buying BL?
Institutional owners buying BL include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in BL activity?
"Buy" means an investor increased their reported position in BL compared to the prior reporting period. This reflects growing exposure to BLACKLINE INC (BL) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in BL increasing?
Institutional interest in BL can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.
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