Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
150 institutional managers reported holding BW for the quarter ended Mar 31, 2026. Together they hold about 80% of shares outstanding; the top 10 hold 53%. 50 opened new positions; 30 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| BRC Group Holdings, INC. (focused) | 27.45M | 20.52% | $403.3M | unchanged | 2017 Q3 |
| Hood River Capital Management LLC | 11.60M | 8.68% | $170.5M | added +9% | 2025 Q4 |
| Gendell Jeffrey L | 5.13M | 3.83% | $75.3M | added +1.6% | 2023 Q2 |
| Neuberger Berman Group LLC | 5.05M | 3.78% | $74.3M | trimmed -16.7% | 2017 Q4 |
| Vanguard Group | 5.04M | 3.77% | $74.0M | added +6.4% | 2015 Q3 |
| Jane Street | 3.67M | 2.75% | $54.0M | added +182.6% | 2023 Q1 |
| Ameriprise Financial INC | 3.60M | 2.69% | $53.0M | added +50% | 2025 Q4 |
| Marshall Wace | 3.41M | 2.55% | $50.1M | added +1.2% | 2023 Q3 |
| Millennium Management | 3.37M | 2.52% | $49.5M | added +169.5% | 2023 Q2 |
| Arrowstreet Capital | 2.97M | 2.22% | $43.7M | added +777.3% | 2025 Q4 |
| Citadel Advisors | 2.55M | 1.91% | $37.5M | added +198% | 2025 Q3 |
| Driehaus Capital Management LLC | 2.38M | 1.78% | $35.0M | added +4.6% | 2025 Q4 |
| T. Rowe Price | 1.85M | 1.39% | $27.2M | opened | 2026 Q1 |
| BlackRock | 1.62M | 1.21% | $23.8M | added +18% | 2015 Q3 |
| UBS | 1.61M | 1.21% | $23.7M | added +11.7% | 2015 Q3 |
| Situational Awareness Partners LP (focused) | 1.35M | 1.01% | $19.9M | opened | 2026 Q1 |
| Situational Awareness LP (focused) | 1.35M | 1.01% | $19.9M | unchanged | 2025 Q4 |
| Susquehanna International Group | 1.28M | 0.96% | $18.8M | added +61.8% | 2022 Q2 |
| Qube Research & Technologies LTD | 1.13M | 0.85% | $16.6M | added +142.7% | 2023 Q3 |
| Bank OF America CORP /DE/ | 1.10M | 0.82% | $16.1M | added +1743.7% | 2015 Q3 |
| BNP Paribas Financial Markets | 1.07M | 0.80% | $15.7M | added +15% | 2024 Q4 |
| Legal & General Group PLC | 1.04M | 0.78% | $15.3M | trimmed -80.6% | 2025 Q3 |
| Cooper Creek Partners Management LLC | 1.04M | 0.77% | $15.2M | opened | 2026 Q1 |
| Geode Capital | 951.1k | 0.71% | $14.0M | added +2.1% | 2015 Q3 |
| HRT Financial LP | 895.6k | 0.67% | $13.2M | added +206.7% | 2025 Q4 |
| SEI Investments CO | 873.9k | 0.65% | $12.8M | added +42.2% | 2021 Q2 |
| Acadian Asset Management | 844.7k | 0.63% | $12.4M | added +332.6% | 2023 Q2 |
| Connor, Clark & Lunn Investment Management LTD. | 843.8k | 0.63% | $12.4M | added +186.1% | 2025 Q2 |
| Goldman Sachs | 821.6k | 0.61% | $12.1M | added +129% | 2015 Q3 |
| Two Sigma | 814.8k | 0.61% | $12.0M | opened | 2026 Q1 |
| SG Americas Securities, LLC | 801.1k | 0.60% | $11.8M | added +2985.1% | 2025 Q4 |
| D. E. Shaw | 772.1k | 0.58% | $11.3M | unchanged | 2021 Q2 |
| Royce & Associates | 660.0k | 0.49% | $9.7M | added +85.9% | 2025 Q4 |
| Arosa Capital Management LP (focused) | 575.0k | 0.43% | $8.4M | opened | 2026 Q1 |
| Oberweis Asset Management INC/ | 500.2k | 0.37% | $7.4M | opened | 2026 Q1 |
| Informed Momentum CO LLC | 475.5k | 0.35% | $7.0M | added +144.7% | 2025 Q3 |
| State Street | 412.7k | 0.31% | $6.1M | added +10.3% | 2015 Q3 |
| Trexquant Investment LP | 398.1k | 0.30% | $5.9M | opened | 2026 Q1 |
| Palumbo Wealth Management LLC | 365.3k | 0.27% | $5.4M | added +22.7% | 2025 Q3 |
| Renaissance Technologies | 362.5k | 0.27% | $5.3M | added +4.9% | 2022 Q4 |
| Saba Capital Management, L.p. | 301.1k | 0.23% | $4.4M | trimmed -55.8% | 2025 Q4 |
| Morgan Stanley | 283.7k | 0.21% | $4.2M | trimmed -55.9% | 2015 Q3 |
| Polen Capital | 271.5k | 0.20% | $4.0M | added +122% | 2025 Q4 |
| Squarepoint Ops LLC | 225.3k | 0.17% | $3.3M | added +125.3% | 2025 Q4 |
| Brevan Howard Capital Management LP | 223.3k | 0.17% | $3.3M | added +2112.6% | 2025 Q4 |
| Hunter Associates Investment Management LLC | 203.3k | 0.15% | $3.0M | opened | 2026 Q1 |
| Northern Trust | 202.6k | 0.15% | $3.0M | added +3.8% | 2015 Q3 |
| Kultura Capital Management LP (focused) | 198.9k | 0.15% | $2.9M | opened | 2026 Q1 |
| Lazard Asset Management LLC | 127.5k | 0.10% | $1.9M | opened | 2026 Q1 |
| Schonfeld Strategic Advisors | 122.3k | 0.09% | $1.8M | added +488.7% | 2025 Q4 |
Largest 50 of 150 shown; the full ranked, searchable register is at boothcheck.com/holders/BW. 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.