Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
212 institutional managers reported holding BB for the quarter ended Mar 31, 2026. Together they hold about 44% of shares outstanding; the top 10 hold 34%. 29 opened new positions; 35 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| Fairfax Financial (focused) | 34.98M | 5.87% | $113.3M | unchanged | 2013 Q3 |
| Legal & General Group PLC | 34.87M | 5.85% | $113.0M | added +15.4% | 2013 Q3 |
| Fifthdelta LTD (focused) | 26.45M | 4.43% | $85.7M | added +50.3% | 2021 Q4 |
| Voya Investment Management LLC | 25.66M | 4.30% | $83.2M | trimmed -2% | 2025 Q1 |
| Vanguard Group | 24.28M | 4.07% | $78.7M | added +1.4% | 2015 Q1 |
| First Trust Advisors LP | 16.50M | 2.77% | $53.5M | trimmed -34% | 2013 Q3 |
| Mirae Asset Global Etfs Holdings LTD. | 12.35M | 2.07% | $40.0M | added +6.4% | 2020 Q1 |
| Hood River Capital Management LLC | 11.88M | 1.99% | $38.5M | added +7.1% | 2024 Q4 |
| Connor, Clark & Lunn Investment Management LTD. | 8.17M | 1.37% | $26.5M | trimmed -32.4% | 2013 Q3 |
| Jane Street | 5.66M | 0.95% | $18.4M | added +175.1% | 2014 Q1 |
| Dimensional Fund Advisors | 4.02M | 0.67% | $13.0M | trimmed -0.8% | 2013 Q3 |
| Renaissance Technologies | 3.55M | 0.59% | $11.5M | added +139.2% | 2024 Q4 |
| Bank OF America CORP /DE/ | 3.27M | 0.55% | $10.6M | trimmed -45.5% | 2013 Q3 |
| BlackRock | 2.98M | 0.50% | $9.7M | added +50.5% | 2013 Q3 |
| PRIMECAP Management | 2.87M | 0.48% | $9.3M | unchanged | ≤2013 |
| Walleye Capital LLC | 2.87M | 0.48% | $9.3M | added +3% | 2024 Q3 |
| Citadel Advisors | 2.54M | 0.43% | $8.2M | trimmed -23.3% | 2013 Q3 |
| M&G PLC | 1.98M | 0.33% | $6.4M | opened | 2026 Q1 |
| TD Asset Management INC | 1.92M | 0.32% | $6.2M | added +6.1% | 2013 Q3 |
| Bank OF Montreal /CAN/ | 1.84M | 0.31% | $5.9M | added +7% | 2013 Q3 |
| Morgan Stanley | 1.82M | 0.31% | $5.9M | trimmed -6.5% | 2013 Q3 |
| Millennium Management | 1.70M | 0.28% | $5.5M | added +2827.4% | 2023 Q2 |
| Toronto Dominion Bank | 1.46M | 0.24% | $4.7M | added +234.8% | 2013 Q3 |
| Goldman Sachs | 1.46M | 0.24% | $4.7M | trimmed -30.4% | 2013 Q3 |
| ArrowMark Colorado Holdings LLC | 1.45M | 0.24% | $4.7M | added +9.6% | 2024 Q1 |
| Hsbc Holdings PLC | 1.37M | 0.23% | $4.4M | trimmed -27.4% | 2013 Q3 |
| Mackenzie Financial CORP | 1.24M | 0.21% | $4.0M | added +3.2% | 2017 Q4 |
| Charles Schwab Investment Management | 1.22M | 0.20% | $4.0M | trimmed -0.7% | 2024 Q2 |
| Susquehanna International Group | 1.21M | 0.20% | $3.9M | trimmed -43.8% | 2013 Q3 |
| Swiss National Bank | 1.11M | 0.19% | $3.6M | unchanged | 2013 Q3 |
| General American Investors CO INC | 1.03M | 0.17% | $3.3M | unchanged | 2025 Q4 |
| Cibc World Market INC. | 962.0k | 0.16% | $3.1M | added +241.3% | 2013 Q3 |
| State Street | 897.2k | 0.15% | $2.9M | added +5.4% | 2021 Q2 |
| Point72 | 857.1k | 0.14% | $2.8M | added +196.4% | 2025 Q4 |
| HRT Financial LP | 835.3k | 0.14% | $2.7M | opened | 2024 Q1 |
| UBS | 796.8k | 0.13% | $2.6M | trimmed -26.7% | 2013 Q3 |
| IQ EQ Fund Management (IRELAND) LTD | 713.1k | 0.12% | $2.3M | unchanged | 2021 Q2 |
| XTX Topco LTD | 557.8k | 0.09% | $1.8M | added +29.6% | 2024 Q2 |
| Cibc Asset Management INC | 530.1k | 0.09% | $1.7M | added +3.4% | 2013 Q4 |
| Barclays PLC | 522.8k | 0.09% | $1.7M | added +446.7% | 2013 Q3 |
| Manufacturers Life Insurance Company, THE | 488.9k | 0.08% | $1.6M | trimmed -1.5% | 2015 Q2 |
| Bank Julius Baer & CO. LTD, Zurich | 468.9k | 0.08% | $1.5M | unchanged | 2024 Q4 |
| British Columbia Investment Management CORP | 464.3k | 0.08% | $1.5M | added +61% | 2017 Q2 |
| Cetera Investment Advisers | 450.6k | 0.08% | $1.5M | unchanged | 2024 Q2 |
| Citigroup INC | 435.9k | 0.07% | $1.4M | added +0.8% | 2013 Q3 |
| Nuveen | 417.1k | 0.07% | $1.4M | unchanged | 2023 Q4 |
| Geode Capital | 415.3k | 0.07% | $1.3M | trimmed -13.6% | 2013 Q3 |
| National Bank OF Canada /FI/ | 411.4k | 0.07% | $1.3M | trimmed -49.7% | 2021 Q4 |
| Intact Investment Management INC. | 403.1k | 0.07% | $1.3M | opened | 2026 Q1 |
| Main Management ETF Advisors, LLC | 396.3k | 0.07% | $1.3M | opened | 2026 Q1 |
Largest 50 of 212 shown; the full ranked, searchable register is at boothcheck.com/holders/BB. 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.