Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
151 institutional managers reported holding BILI for the quarter ended Mar 31, 2026. Together they hold about 8% of shares outstanding; the top 10 hold 5%. 23 opened new positions; 29 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| UBS | 5.28M | 1.63% | $119.1M | trimmed -14.9% | 2018 Q1 |
| Morgan Stanley | 3.17M | 0.98% | $71.6M | trimmed -17.6% | 2018 Q1 |
| SIH Partners, Lllp | 2.06M | 0.64% | $46.5M | added +101.5% | 2023 Q4 |
| Panagora Asset Management INC | 1.15M | 0.35% | $25.9M | added +31.8% | 2024 Q3 |
| BlackRock | 1.05M | 0.33% | $23.7M | trimmed -7.5% | 2018 Q1 |
| Step Capital Management Pte. LTD. (focused) | 1.00M | 0.31% | $22.6M | unchanged | 2025 Q4 |
| Jane Street | 954.8k | 0.29% | $21.6M | trimmed -5.6% | 2018 Q2 |
| Qube Research & Technologies LTD | 872.6k | 0.27% | $19.7M | added +36.4% | 2023 Q2 |
| Yiheng Capital Management, L.p. (focused) | 739.9k | 0.23% | $16.7M | trimmed -35.6% | 2018 Q3 |
| BNP Paribas Financial Markets | 541.4k | 0.17% | $12.2M | added +55.3% | 2018 Q4 |
| Renaissance Technologies | 507.3k | 0.16% | $11.5M | added +121.1% | 2019 Q1 |
| Schroder Investment Management Group | 486.1k | 0.15% | $11.0M | added +8.2% | 2024 Q2 |
| Citadel Advisors | 476.1k | 0.15% | $10.8M | trimmed -10.2% | 2018 Q1 |
| Group ONE Trading LLC | 457.8k | 0.14% | $10.3M | added +250.8% | 2021 Q4 |
| Goldman Sachs | 454.1k | 0.14% | $10.3M | trimmed -52.6% | 2018 Q2 |
| LMR Partners LLP | 453.4k | 0.14% | $10.2M | added +21% | 2025 Q1 |
| Millennium Management | 434.2k | 0.13% | $9.8M | unchanged | 2018 Q1 |
| MY.Alpha Management HK Advisors LTD (focused) | 422.3k | 0.13% | $9.5M | trimmed -37.5% | 2025 Q4 |
| Citigroup INC | 394.3k | 0.12% | $8.9M | trimmed -15.6% | 2018 Q3 |
| Walleye Capital LLC | 368.7k | 0.11% | $8.3M | added +337.8% | 2023 Q4 |
| Two Sigma | 327.2k | 0.10% | $7.4M | opened | 2026 Q1 |
| Northern Trust | 281.7k | 0.09% | $6.4M | added +24.5% | 2019 Q3 |
| Bank OF America CORP /DE/ | 280.9k | 0.09% | $6.3M | trimmed -44.3% | 2018 Q1 |
| Mirae Asset Global Etfs Holdings LTD. | 271.2k | 0.08% | $6.1M | trimmed -25.6% | 2018 Q4 |
| HRT Financial LP | 212.5k | 0.07% | $4.8M | added +69.6% | 2023 Q1 |
| Susquehanna International Group | 209.0k | 0.07% | $4.7M | trimmed -89% | 2018 Q1 |
| Polymer Capital Management (HK) LTD | 208.2k | 0.06% | $4.7M | trimmed -41.2% | 2024 Q1 |
| Hsbc Holdings PLC | 198.8k | 0.06% | $4.5M | added +230.1% | 2018 Q3 |
| State Street | 189.2k | 0.06% | $4.3M | unchanged | 2018 Q4 |
| Dimensional Fund Advisors | 170.8k | 0.05% | $3.9M | added +7.2% | 2024 Q4 |
| Edmond DE Rothschild Holding S.a. | 162.0k | 0.05% | $3.7M | trimmed -33.1% | 2020 Q2 |
| Keywise Capital Management (HK) LTD (focused) | 159.8k | 0.05% | $3.6M | added +26.7% | 2025 Q3 |
| Prescott Group Capital Management, L.l.c. | 150.0k | 0.05% | $3.4M | unchanged | 2023 Q4 |
| Quantinno Capital Management LP | 129.5k | 0.04% | $2.9M | trimmed -6.9% | 2024 Q1 |
| Trexquant Investment LP | 124.0k | 0.04% | $2.8M | opened | 2023 Q4 |
| Royal Bank OF Canada | 122.3k | 0.04% | $2.8M | unchanged | 2018 Q2 |
| Geode Capital | 103.8k | 0.03% | $2.3M | unchanged | 2019 Q2 |
| Invesco | 102.9k | 0.03% | $2.3M | trimmed -5.7% | 2018 Q3 |
| XY Capital LTD (focused) | 102.3k | 0.03% | $2.3M | trimmed -17.2% | 2025 Q1 |
| Peak6 LLC | 95.8k | 0.03% | $2.2M | opened | 2026 Q1 |
| Optiver | 90.5k | 0.03% | $2.0M | trimmed -67.5% | 2024 Q4 |
| Russell Investments Group, LTD. | 87.0k | 0.03% | $2.0M | unchanged | 2024 Q3 |
| Mizuho Markets Americas LLC | 74.2k | 0.02% | $1.7M | unchanged | 2025 Q2 |
| Simplex Trading, LLC | 68.4k | 0.02% | $1.5M | trimmed -83.1% | 2023 Q3 |
| IMC-Chicago, LLC | 67.5k | 0.02% | $1.5M | trimmed -7.2% | 2024 Q2 |
| XTX Topco LTD | 56.2k | 0.02% | $1.3M | added +80.4% | 2025 Q4 |
| Wells Fargo & COMPANY/MN | 52.7k | 0.02% | $1.2M | trimmed -44.4% | 2018 Q1 |
| SG Americas Securities, LLC | 52.0k | 0.02% | $1.2M | added +187.7% | 2018 Q2 |
| Lazard Asset Management LLC | 49.8k | 0.01% | $1.1M | added +120.9% | 2020 Q1 |
| DRW Securities | 46.3k | 0.01% | $1.0M | added +103.2% | 2025 Q4 |
Largest 50 of 151 shown; the full ranked, searchable register is at boothcheck.com/holders/BILI. 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.