CUSIP 09609G209
BLUEBIRD BIO INC
108 institutions · $19.7M total · 3,838,316 shares
| # | Manager | Shares | Value | % of Total | Period |
|---|---|---|---|---|---|
| 1 | VANGUARD GROUP INC | 511,415 | $2.5M | 13.32% | 2025-03-31 |
| 2 | TANG CAPITAL MANAGEMENT LLC | 400,000 | $2.0M | 10.42% | 2025-03-31 |
| 3 | BlackRock, Inc. | 368,194 | $1.8M | 9.59% | 2025-03-31 |
| 4 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 286,300 | $1.4M | 7.45% | 2025-03-31 |
| 5 | GEODE CAPITAL MANAGEMENT, LLC | 219,774 | $1.1M | 5.72% | 2025-03-31 |
| 6 | STATE STREET CORP | 196,179 | $957.4K | 5.11% | 2025-03-31 |
| 7 | EQUITEC PROPRIETARY MARKETS, LLC | 151,800 | $740.8K | 3.95% | 2025-03-31 |
| 8 | CREDIT INDUSTRIEL ET COMMERCIAL | 150,000 | $732.0K | 3.90% | 2025-03-31 |
| 9 | CITADEL ADVISORS LLC | 146,225 | $713.6K | 3.80% | 2025-03-31 |
| 10 | Avidity Partners Management LP | 81,555 | $680.2K | 2.12% | 2024-12-31 |
| 11 | Groupe la Francaise | 135,000 | $679.0K | 3.51% | 2025-03-31 |
| 12 | PFM Health Sciences, LP | 75,758 | $631.8K | 1.97% | 2024-12-31 |
| 13 | FMR LLC | 87,642 | $427.7K | 2.28% | 2025-03-31 |
| 14 | MASTERS CAPITAL MANAGEMENT LLC | 48,750 | $406.6K | 1.27% | 2024-12-31 |
| 15 | Quinn Opportunity Partners LLC | 81,429 | $397.4K | 2.12% | 2025-03-31 |
| 16 | Lion Point Capital, LP | 78,912 | $385.1K | 2.05% | 2025-03-31 |
| 17 | NORTHERN TRUST CORP | 78,829 | $384.7K | 2.05% | 2025-03-31 |
| 18 | WOLVERINE TRADING, LLC | 48,500 | $381.2K | 1.26% | 2024-12-31 |
| 19 | Black Maple Capital Management LP | 60,197 | $293.8K | 1.56% | 2025-03-31 |
| 20 | Murchinson Ltd. | 52,000 | $253.8K | 1.35% | 2025-03-31 |
| 21 | GOLDMAN SACHS GROUP INC | 48,362 | $236.0K | 1.25% | 2025-06-30 |
| 22 | UBS Group AG | 47,979 | $234.1K | 1.25% | 2025-03-31 |
| 23 | JANE STREET GROUP, LLC | 45,800 | $223.5K | 1.19% | 2025-03-31 |
| 24 | MORGAN STANLEY | 21,986 | $183.4K | 0.57% | 2025-03-31 |
| 25 | DEUTSCHE BANK AG\ | 20,063 | $167.3K | 0.52% | 2025-06-30 |
| 26 | MILLENNIUM MANAGEMENT LLC | 19,674 | $164.1K | 0.51% | 2024-12-31 |
| 27 | CSS LLC/IL | 30,772 | $150.2K | 0.80% | 2025-03-31 |
| 28 | Summit X, LLC | 25,045 | $122.2K | 0.65% | 2025-03-31 |
| 29 | RHUMBLINE ADVISERS | 14,176 | $118.3K | 0.36% | 2025-03-31 |
| 30 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 23,235 | $113.4K | 0.60% | 2025-09-30 |
| 31 | AQR CAPITAL MANAGEMENT LLC | 21,806 | $106.4K | 0.56% | 2025-03-31 |
| 32 | Nuveen Asset Management, LLC | 12,721 | $106.1K | 0.33% | 2024-12-31 |
| 33 | GROUP ONE TRADING, L.P. | 21,693 | $105.9K | 0.56% | 2025-03-31 |
| 34 | REGENERON PHARMACEUTICALS, INC. | 21,000 | $102.5K | 0.54% | 2025-03-31 |
| 35 | JPMORGAN CHASE & CO | 20,953 | $102.3K | 0.54% | 2025-03-31 |
| 36 | BANK OF AMERICA CORP /DE/ | 19,957 | $97.4K | 0.51% | 2025-03-31 |
| 37 | DIMENSIONAL FUND ADVISORS LP | 10,906 | $91.0K | 0.28% | 2024-12-31 |
| 38 | Bank of New York Mellon Corp | 16,045 | $78.3K | 0.41% | 2025-03-31 |
| 39 | ALLIANCEBERNSTEIN L.P. | 14,723 | $71.8K | 0.38% | 2025-03-31 |
| 40 | TWO SIGMA INVESTMENTS, LP | 13,745 | $67.1K | 0.35% | 2025-03-31 |
| 41 | Belvedere Trading LLC | 10,300 | $50.3K | 0.26% | 2025-03-31 |
| 42 | CITIGROUP INC | 6,670 | $32.5K | 0.17% | 2025-03-31 |
| 43 | MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 5,862 | $28.6K | 0.15% | 2025-03-31 |
| 44 | WELLS FARGO & COMPANY/MN | 5,858 | $28.6K | 0.15% | 2025-03-31 |
| 45 | Corebridge Financial, Inc. | 4,781 | $23.3K | 0.12% | 2025-03-31 |
| 46 | NEW YORK STATE COMMON RETIREMENT FUND | 1,675 | $14.0K | 0.04% | 2025-09-30 |
| 47 | Police & Firemen's Retirement System of New Jersey | 2,731 | $13.3K | 0.07% | 2025-03-31 |
| 48 | Tower Research Capital LLC (TRC) | 2,421 | $11.8K | 0.06% | 2025-03-31 |
| 49 | Leonteq Securities AG | 999 | $8.3K | 0.02% | 2025-12-31 |
| 50 | Russell Investments Group, Ltd. | 1,386 | $6.9K | 0.03% | 2025-06-30 |
| 51 | CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | 694 | $5.8K | 0.01% | 2025-03-31 |
| 52 | Federation des caisses Desjardins du Quebec | 1,000 | $4.9K | 0.02% | 2025-03-31 |
| 53 | Ameritas Investment Partners, Inc. | 954 | $4.7K | 0.02% | 2025-03-31 |
| 54 | Legal & General Group Plc | 939 | $4.6K | 0.02% | 2025-03-31 |
| 55 | BNP PARIBAS ARBITRAGE, SNC | 679 | $3.3K | 0.01% | 2025-03-31 |
| 56 | Royal Bank of Canada | 627 | $3.0K | 0.01% | 2025-09-30 |
| 57 | PNC Financial Services Group, Inc. | 475 | $2.3K | 0.01% | 2025-03-31 |
| 58 | NISA INVESTMENT ADVISORS, LLC | 419 | $2.0K | 0.01% | 2025-03-31 |
| 59 | Riggs Asset Managment Co. Inc. | 350 | $1.7K | 0.00% | 2025-03-31 |
| 60 | Geneos Wealth Management Inc. | 176 | $1.5K | 0.00% | 2024-12-31 |
| 61 | JONES FINANCIAL COMPANIES LLLP | 16 | $1.4K | 0.00% | 2025-03-31 |
| 62 | HM PAYSON & CO | 200 | $976 | 0.00% | 2025-03-31 |
| 63 | Sterling Capital Management LLC | 175 | $854 | 0.00% | 2025-03-31 |
| 64 | SBI Securities Co., Ltd. | 171 | $834 | 0.00% | 2025-03-31 |
| 65 | NewEdge Advisors, LLC | 150 | $732 | 0.00% | 2025-03-31 |
| 66 | Optiver Holding B.V. | 117 | $571 | 0.00% | 2025-03-31 |
| 67 | Vermillion Wealth Management, Inc. | 114 | $556 | 0.00% | 2025-03-31 |
| 68 | Raiffeisen Bank International AG | 112 | $547 | 0.00% | 2025-03-31 |
| 69 | CoreCap Advisors, LLC | 90 | $439 | 0.00% | 2025-03-31 |
| 70 | Parkside Financial Bank & Trust | 85 | $415 | 0.00% | 2025-03-31 |
| 71 | ROTHSCHILD INVESTMENT LLC | 60 | $293 | 0.00% | 2025-03-31 |
| 72 | Bell Investment Advisors, Inc | 33 | $276 | 0.00% | 2024-12-31 |
| 73 | SIMPLEX TRADING, LLC | 53,134 | $259 | 1.38% | 2025-03-31 |
| 74 | Activest Wealth Management | 50 | $244 | 0.00% | 2025-03-31 |
| 75 | Accent Capital Management, LLC | 50 | $244 | 0.00% | 2025-03-31 |
| 76 | EverSource Wealth Advisors, LLC | 27 | $225 | 0.00% | 2024-12-31 |
| 77 | Sandy Spring Bank | 33 | $162 | 0.00% | 2025-03-31 |
| 78 | GAMMA Investing LLC | 30 | $146 | 0.00% | 2025-03-31 |
| 79 | ADVISOR GROUP HOLDINGS, INC. | 16 | $133 | 0.00% | 2025-06-30 |
| 80 | MAI Capital Management | 15 | $126 | 0.00% | 2024-12-31 |
| 81 | Steward Partners Investment Advisory, LLC | 20 | $98 | 0.00% | 2025-03-31 |
| 82 | HighMark Wealth Management LLC | 11 | $54 | 0.00% | 2025-03-31 |
| 83 | TRUST CO OF VERMONT | 11 | $54 | 0.00% | 2025-03-31 |
| 84 | NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | 10 | $49 | 0.00% | 2025-03-31 |
| 85 | TOTH FINANCIAL ADVISORY CORP | 10 | $49 | 0.00% | 2025-03-31 |
| 86 | Main Street Group, LTD | 5 | $42 | 0.00% | 2024-12-31 |
| 87 | Painted Porch Advisors LLC | 33 | $32 | 0.00% | 2025-06-30 |
| 88 | Truvestments Capital LLC | 6 | $29 | 0.00% | 2025-03-31 |
| 89 | Fairfield Financial Advisors, LTD | 3 | $25 | 0.00% | 2024-12-31 |
| 90 | JFS WEALTH ADVISORS, LLC | 5 | $25 | 0.00% | 2025-03-31 |
| 91 | HAGER INVESTMENT MANAGEMENT SERVICES, LLC | 5 | $24 | 0.00% | 2025-03-31 |
| 92 | NATIONAL BANK OF CANADA /FI/ | 4 | $20 | 0.00% | 2025-03-31 |
| 93 | Global Retirement Partners, LLC | 2 | $19 | 0.00% | 2024-12-31 |
| 94 | PICTON MAHONEY ASSET MANAGEMENT | 3,220 | $16 | 0.08% | 2025-03-31 |
| 95 | ST GERMAIN D J CO INC | 2 | $10 | 0.00% | 2025-03-31 |
| 96 | SouthState Corp | 2 | $10 | 0.00% | 2025-03-31 |
| 97 | 1620 INVESTMENT ADVISORS, INC. | 2 | $10 | 0.00% | 2025-03-31 |
| 98 | CWM, LLC | 1,722 | $8 | 0.04% | 2025-03-31 |
| 99 | Clean Yield Group | 1 | $5 | 0.00% | 2025-03-31 |
| 100 | Larson Financial Group LLC | 1 | $5 | 0.00% | 2025-03-31 |
| 101 | BARCLAYS PLC | 1 | $4 | 0.00% | 2025-12-31 |
| 102 | IFP Advisors, Inc | 7 | $3 | 0.00% | 2025-06-30 |
| 103 | AMALGAMATED BANK | 325 | $2 | 0.00% | 2025-03-31 |
| 104 | Daiwa Securities Group Inc. | 16 | $0 | 0.00% | 2024-12-31 |
| 105 | LAZARD ASSET MANAGEMENT LLC | 17 | $0 | 0.00% | 2024-12-31 |
| 106 | CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% | 2025-03-31 |
| 107 | TSFG, LLC | 1 | $0 | 0.00% | 2025-03-31 |
| 108 | FNY Investment Advisers, LLC | 100 | $0 | 0.00% | 2025-03-31 |