Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
252 institutional managers reported holding CURB for the quarter ended Mar 31, 2026. Reported positions total over 95% of shares outstanding; the top 10 hold 68%. 43 opened new positions; 22 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| BlackRock | 16.82M | 15.81% | $433.8M | added +0.8% | 2024 Q3 |
| Vanguard Group | 14.38M | 13.52% | $370.9M | added +1.3% | 2024 Q4 |
| T. Rowe Price Investment Management, INC. | 13.07M | 12.29% | $337.1M | added +395.6% | 2024 Q4 |
| State Street | 5.43M | 5.11% | $140.1M | unchanged | 2024 Q4 |
| Principal Financial Group INC | 5.18M | 4.87% | $133.5M | added +110.3% | 2024 Q4 |
| FMR (Fidelity) | 4.27M | 4.02% | $110.2M | trimmed -22.7% | 2024 Q4 |
| Prudential Financial INC | 4.12M | 3.88% | $106.3M | added +21.5% | 2024 Q4 |
| Daiwa Securities Group INC. | 3.39M | 3.19% | $87.5M | added +25.6% | 2024 Q4 |
| Cohen & Steers | 2.99M | 2.81% | $77.1M | added +26.1% | 2024 Q4 |
| Geode Capital | 2.59M | 2.43% | $66.8M | added +2.8% | 2024 Q4 |
| Millennium Management | 2.35M | 2.21% | $60.7M | added +55.4% | 2024 Q3 |
| Alyeska Investment Group | 2.30M | 2.16% | $59.4M | opened | 2026 Q1 |
| AEW Capital Management L P (focused) | 1.77M | 1.67% | $45.7M | added +24.4% | 2024 Q4 |
| Morgan Stanley | 1.77M | 1.66% | $45.6M | added +138.1% | 2024 Q3 |
| Nuveen | 1.64M | 1.54% | $42.4M | trimmed -20.6% | 2024 Q4 |
| GRS Advisors, LLC (focused) | 1.64M | 1.54% | $42.3M | added +2.4% | 2024 Q4 |
| Charles Schwab Investment Management | 1.56M | 1.46% | $40.1M | added +2.2% | 2024 Q4 |
| Dimensional Fund Advisors | 1.44M | 1.36% | $37.2M | added +3.9% | 2024 Q4 |
| Qube Research & Technologies LTD | 1.34M | 1.26% | $34.5M | added +0.6% | 2024 Q4 |
| Westwood Holdings Group INC | 1.34M | 1.26% | $34.5M | opened | 2026 Q1 |
| Brown Advisory INC | 1.17M | 1.09% | $30.1M | trimmed -5.2% | 2024 Q4 |
| Teacher Retirement System OF Texas | 1.14M | 1.08% | $29.5M | added +16.6% | 2024 Q4 |
| Victory Capital Management INC | 1.13M | 1.06% | $29.2M | trimmed -1.6% | 2024 Q4 |
| Goldman Sachs | 1.09M | 1.02% | $28.0M | added +22.4% | 2024 Q4 |
| Northern Trust | 1.08M | 1.02% | $27.9M | added +3.5% | 2024 Q3 |
| Land & Buildings Investment Management, LLC (focused) | 905.1k | 0.85% | $23.3M | added +316.2% | 2025 Q4 |
| Wellington Management | 834.0k | 0.78% | $21.5M | added +5% | 2024 Q4 |
| UBS | 823.6k | 0.77% | $21.2M | trimmed -7.3% | 2024 Q3 |
| Deutsche Bank AG\ | 797.9k | 0.75% | $20.6M | added +527.9% | 2024 Q3 |
| Aberdeen Group plc | 745.1k | 0.70% | $19.2M | added +9% | 2024 Q4 |
| BNY Mellon | 709.3k | 0.67% | $18.3M | trimmed -2.3% | 2024 Q4 |
| T. Rowe Price | 704.6k | 0.66% | $18.2M | added +556.1% | 2024 Q4 |
| Legal & General Group PLC | 680.5k | 0.64% | $17.6M | trimmed -6.7% | 2024 Q3 |
| Rush Island Management, LP (focused) | 664.5k | 0.63% | $17.1M | trimmed -13.5% | 2025 Q3 |
| Heitman Real Estate Securities LLC | 661.3k | 0.62% | $17.1M | opened | 2025 Q3 |
| Bank OF America CORP /DE/ | 646.0k | 0.61% | $16.7M | added +39.4% | 2024 Q4 |
| Hsbc Holdings PLC | 557.5k | 0.52% | $14.4M | added +10.3% | 2024 Q4 |
| SEI Investments CO | 526.0k | 0.49% | $13.6M | added +24.6% | 2024 Q4 |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 492.2k | 0.46% | $12.7M | added +102.3% | 2025 Q4 |
| Mutual OF America Capital Management LLC | 484.1k | 0.46% | $12.5M | trimmed -0.5% | 2024 Q4 |
| Russell Investments Group, LTD. | 478.3k | 0.45% | $12.3M | added +117% | 2024 Q4 |
| Janus Henderson | 464.3k | 0.44% | $12.0M | trimmed -23.9% | 2024 Q4 |
| Invesco | 462.6k | 0.43% | $11.9M | added +8.5% | 2024 Q4 |
| Fisher Investments | 455.5k | 0.43% | $11.7M | added +1.9% | 2024 Q4 |
| Ameriprise Financial INC | 431.1k | 0.41% | $11.1M | added +118.7% | 2024 Q4 |
| Two Sigma | 410.6k | 0.39% | $10.6M | opened | 2026 Q1 |
| Balyasny Asset Management | 408.8k | 0.38% | $10.5M | trimmed -71.5% | 2024 Q4 |
| Loomis Sayles & CO L P | 398.3k | 0.37% | $10.3M | trimmed -3.4% | 2025 Q2 |
| Boothbay Fund Management, LLC | 367.2k | 0.34% | $9.5M | added +4.4% | 2024 Q4 |
| Public Sector Pension Investment Board | 346.8k | 0.33% | $8.9M | added +3.4% | 2024 Q4 |
Largest 50 of 252 shown; the full ranked, searchable register is at boothcheck.com/holders/CURB. 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.