Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
265 institutional managers reported holding BL for the quarter ended Mar 31, 2026. Together they hold about 90% of shares outstanding; the top 10 hold 53%. 47 opened new positions; 83 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| BlackRock | 7.68M | 11.00% | $284.3M | unchanged | 2016 Q4 |
| Vanguard Group | 6.85M | 9.81% | $253.6M | added +0.7% | 2016 Q4 |
| Clearlake Capital Group, L.p. (focused) | 5.71M | 8.18% | $211.5M | unchanged | 2022 Q2 |
| UBS | 3.32M | 4.75% | $122.8M | added +326.2% | 2016 Q4 |
| Fivespan Partners, LP (focused) | 3.01M | 4.32% | $111.6M | added +225.5% | 2025 Q4 |
| First Manhattan CO. LLC. | 2.68M | 3.83% | $99.1M | added +10.2% | 2024 Q4 |
| Iconiq Capital, LLC | 2.09M | 2.99% | $77.3M | unchanged | 2021 Q4 |
| State Street | 2.04M | 2.92% | $75.5M | added +2.1% | 2016 Q4 |
| Neuberger Berman Group LLC | 2.02M | 2.90% | $74.9M | trimmed -6.1% | 2025 Q1 |
| Hawk Ridge Capital Management LP (focused) | 1.89M | 2.71% | $70.0M | added +26.3% | 2023 Q3 |
| Conestoga Capital Advisors, LLC | 1.69M | 2.41% | $62.4M | trimmed -8.8% | 2017 Q3 |
| Westwood Holdings Group INC | 1.46M | 2.09% | $53.9M | trimmed -4.2% | 2024 Q4 |
| Engaged Capital LLC (focused) | 1.37M | 1.96% | $50.6M | added +26.2% | 2025 Q3 |
| Geode Capital | 1.23M | 1.77% | $45.7M | trimmed -0.9% | 2016 Q4 |
| Morgan Stanley | 1.08M | 1.55% | $40.1M | trimmed -15% | 2016 Q4 |
| Dimensional Fund Advisors | 1.06M | 1.52% | $39.4M | added +20.6% | 2023 Q3 |
| Bank OF America CORP /DE/ | 914.8k | 1.31% | $33.9M | added +9.3% | 2016 Q4 |
| FMR (Fidelity) | 885.4k | 1.27% | $32.8M | trimmed -30.2% | 2018 Q1 |
| Tensile Capital Management LP (focused) | 750.8k | 1.07% | $27.8M | trimmed -5.1% | 2022 Q4 |
| First Trust Advisors LP | 616.7k | 0.88% | $22.8M | added +34.9% | 2018 Q1 |
| Northern Trust | 591.5k | 0.85% | $21.9M | trimmed -7.2% | 2016 Q4 |
| Charles Schwab Investment Management | 520.9k | 0.75% | $19.3M | added +7.9% | 2016 Q4 |
| Goldman Sachs | 508.9k | 0.73% | $18.8M | trimmed -32.4% | 2017 Q1 |
| Geneva Capital Management LLC | 478.1k | 0.69% | $17.7M | trimmed -42.1% | 2020 Q1 |
| Arrowstreet Capital | 468.5k | 0.67% | $17.3M | opened | 2026 Q1 |
| Palisade Capital Management, LP | 441.2k | 0.63% | $16.3M | added +6.2% | 2018 Q1 |
| Potrero Capital Research LLC (focused) | 421.1k | 0.60% | $15.6M | added +13.7% | 2025 Q4 |
| BNP Paribas Financial Markets | 392.1k | 0.56% | $14.5M | trimmed -0.7% | 2017 Q1 |
| Jupiter Asset Management LTD | 390.8k | 0.56% | $14.5M | added +4373.3% | 2025 Q3 |
| BNY Mellon | 377.4k | 0.54% | $14.0M | trimmed -3% | 2016 Q4 |
| Principal Financial Group INC | 361.8k | 0.52% | $13.4M | added +11.1% | 2018 Q2 |
| Barclays PLC | 332.0k | 0.47% | $12.3M | trimmed -29.7% | 2016 Q4 |
| Westerly Capital Management, LLC (focused) | 310.0k | 0.44% | $11.5M | added +244.4% | 2025 Q4 |
| Gagnon Securities LLC | 296.4k | 0.42% | $11.0M | added +6.1% | 2018 Q3 |
| T. Rowe Price | 271.8k | 0.39% | $10.1M | added +3.4% | 2019 Q2 |
| Royal Bank OF Canada | 259.4k | 0.37% | $9.6M | trimmed -6.8% | 2016 Q4 |
| Invesco | 252.1k | 0.36% | $9.3M | added +11.3% | 2018 Q1 |
| Ameriprise Financial INC | 249.3k | 0.36% | $9.2M | trimmed -20.3% | 2016 Q4 |
| Invenomic Capital Management LP | 235.0k | 0.34% | $8.7M | opened | 2026 Q1 |
| Susquehanna International Group | 230.5k | 0.33% | $8.5M | added +74.1% | 2019 Q2 |
| Federated Hermes, INC. | 215.2k | 0.31% | $8.0M | added +7.3% | 2016 Q4 |
| Balyasny Asset Management | 210.2k | 0.30% | $7.8M | opened | 2022 Q1 |
| NEW York State Common Retirement Fund | 187.6k | 0.27% | $6.9M | added +11.8% | 2017 Q1 |
| Bank OF Montreal /CAN/ | 182.0k | 0.26% | $6.7M | trimmed -11% | 2017 Q2 |
| Public Sector Pension Investment Board | 178.7k | 0.26% | $6.6M | added +3.4% | 2024 Q1 |
| Schwartz Investment Counsel INC | 175.0k | 0.25% | $6.5M | trimmed -74.6% | 2023 Q1 |
| Millennium Management | 173.2k | 0.25% | $6.4M | trimmed -17.2% | 2021 Q1 |
| Fifth Third Bancorp | 173.0k | 0.25% | $6.4M | added +9214.2% | 2018 Q1 |
| Armistice Capital, LLC | 168.0k | 0.24% | $6.2M | opened | 2026 Q1 |
| Tejara Capital LTD | 162.3k | 0.23% | $6.0M | opened | 2026 Q1 |
Largest 50 of 265 shown; the full ranked, searchable register is at boothcheck.com/holders/BL. Related filers are grouped using the filings' own included-manager declarations. Historically, several managers opening new positions in the same quarter said almost nothing about the quarter that followed (59,118 cases since 2013). A filed record, not a forecast. Nothing here is investment advice.