Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
359 institutional managers reported holding BRBR for the quarter ended Mar 31, 2026. Reported positions total over 95% of shares outstanding; the top 10 hold 45%. 60 opened new positions; 115 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| Vanguard Group | 12.13M | 10.32% | $195.2M | added +1.9% | 2019 Q4 |
| BlackRock | 11.27M | 9.59% | $181.4M | added +3% | 2019 Q4 |
| AQR Capital | 8.53M | 7.26% | $137.3M | added +21.8% | 2022 Q1 |
| State Street | 3.68M | 3.13% | $59.2M | trimmed -2.7% | 2019 Q4 |
| Two Sigma | 3.27M | 2.79% | $52.7M | added +675.5% | 2024 Q2 |
| Citadel Advisors | 3.05M | 2.60% | $49.1M | added +340.7% | 2020 Q4 |
| William Blair Investment Management, LLC | 3.03M | 2.58% | $48.8M | added +36.1% | 2025 Q2 |
| Manufacturers Life Insurance Company, THE | 2.84M | 2.42% | $45.7M | trimmed -25.8% | 2020 Q1 |
| Qube Research & Technologies LTD | 2.76M | 2.35% | $44.5M | added +7.3% | 2023 Q2 |
| UBS | 2.57M | 2.19% | $41.4M | added +32.5% | 2019 Q4 |
| Morgan Stanley | 2.41M | 2.05% | $38.7M | trimmed -3.5% | 2019 Q4 |
| Amundi | 2.26M | 1.92% | $36.3M | added +106.4% | 2024 Q4 |
| Geode Capital | 2.17M | 1.85% | $35.0M | trimmed -5.9% | 2019 Q4 |
| River Road Asset Management, LLC | 2.16M | 1.84% | $34.8M | added +2.4% | 2025 Q4 |
| Diamond Hill Capital Management INC | 2.07M | 1.77% | $33.4M | opened | 2026 Q1 |
| Wasatch Advisors LP | 1.99M | 1.70% | $32.1M | trimmed -67.1% | 2022 Q2 |
| D. E. Shaw | 1.79M | 1.52% | $28.8M | trimmed -28.5% | 2022 Q4 |
| Dimensional Fund Advisors | 1.63M | 1.39% | $26.2M | trimmed -27% | 2021 Q3 |
| Goldman Sachs | 1.56M | 1.33% | $25.1M | added +59.7% | 2019 Q4 |
| Balyasny Asset Management | 1.54M | 1.31% | $24.7M | added +11.6% | 2022 Q4 |
| Yacktman Asset Management | 1.50M | 1.27% | $24.1M | opened | 2026 Q1 |
| Holocene Advisors | 1.49M | 1.27% | $24.0M | opened | 2026 Q1 |
| Gotham Asset Management | 1.48M | 1.26% | $23.8M | added +60.2% | 2023 Q3 |
| Assenagon Asset Management S.a. | 1.34M | 1.14% | $21.6M | unchanged | 2024 Q1 |
| Principal Financial Group INC | 1.29M | 1.10% | $20.7M | trimmed -8.9% | 2021 Q2 |
| Bank OF America CORP /DE/ | 1.25M | 1.06% | $20.1M | added +25% | 2019 Q4 |
| Charles Schwab Investment Management | 1.25M | 1.06% | $20.1M | added +3.7% | 2019 Q4 |
| Franklin Resources | 1.23M | 1.05% | $19.8M | trimmed -31.1% | 2020 Q1 |
| BNP Paribas Financial Markets | 1.21M | 1.03% | $19.4M | trimmed -38.7% | 2024 Q4 |
| Philosophy Capital Management LLC (focused) | 1.12M | 0.95% | $18.0M | opened | 2026 Q1 |
| Millennium Management | 1.03M | 0.88% | $16.5M | trimmed -31.4% | 2019 Q4 |
| Northern Trust | 1.03M | 0.87% | $16.5M | trimmed -1.2% | 2019 Q4 |
| Alyeska Investment Group | 991.1k | 0.84% | $16.0M | trimmed -63.8% | 2025 Q3 |
| Capital Fund Management S.a. | 983.7k | 0.84% | $15.8M | added +171% | 2025 Q3 |
| Pictet Asset Management Holding SA | 958.7k | 0.82% | $15.4M | trimmed -15% | 2022 Q2 |
| Shapiro Capital Management LLC (focused) | 935.3k | 0.80% | $15.1M | added +37% | 2025 Q3 |
| Point72 | 934.8k | 0.80% | $15.0M | trimmed -67.2% | 2021 Q4 |
| Wellington Management | 850.8k | 0.72% | $13.7M | trimmed -30.6% | 2019 Q4 |
| Retirement Systems of Alabama | 777.9k | 0.66% | $12.5M | added +44.3% | 2022 Q1 |
| BNY Mellon | 776.2k | 0.66% | $12.5M | trimmed -4.9% | 2019 Q4 |
| Marshall Wace | 767.9k | 0.65% | $12.4M | added +44.7% | 2024 Q3 |
| Susquehanna International Group | 742.0k | 0.63% | $11.9M | added +402.1% | 2025 Q3 |
| Hotchkis & Wiley Capital Management LLC | 739.9k | 0.63% | $11.9M | opened | 2026 Q1 |
| FMR (Fidelity) | 716.0k | 0.61% | $11.5M | added +244.1% | 2019 Q4 |
| Engineers Gate Manager LP | 696.0k | 0.59% | $11.2M | added +420.9% | 2023 Q1 |
| Citigroup INC | 694.1k | 0.59% | $11.2M | added +289.1% | 2019 Q4 |
| PRIMECAP Management | 654.7k | 0.56% | $10.5M | trimmed -0.9% | 2024 Q3 |
| CPP Investment Board | 648.1k | 0.55% | $10.4M | added +64.8% | 2024 Q1 |
| GAMCO (Gabelli) | 620.2k | 0.53% | $10.0M | added +13.5% | 2019 Q4 |
| SG Americas Securities, LLC | 606.6k | 0.52% | $9.8M | added +115.9% | 2019 Q4 |
Largest 50 of 359 shown; the full ranked, searchable register is at boothcheck.com/holders/BRBR. 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.