bluebird bio Ownership | Who Owns bluebird bio?
bluebird bio Ownership Summary
bluebird bio is owned by 35.91% institutional investors, 0.71% insiders, and 63.39% retail investors. Blackrock is the largest institutional shareholder, holding 14.15% of BLUE shares. Vanguard US Total Market Shares ETF is the top mutual fund, with 2.99% of its assets in bluebird bio shares.
BLUE Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | bluebird bio | 35.91% | 0.71% | 63.39% |
| Sector | Healthcare Stocks | 279.19% | 10.62% | -189.81% |
| Industry | Biotech Stocks | 63.96% | 10.74% | 25.30% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Blackrock | 15.44M | 14.15% | $15.20M |
| Ameriprise financial | 6.39M | 5.86% | $6.29M |
| Northern trust | 1.62M | 1.48% | $1.59M |
| Bank of america corp /de/ | 1.28M | 1.17% | $1.26M |
| Morgan stanley | 516.03K | 0.47% | $507.88K |
| Jacobs levy equity management | 332.70K | 0.30% | $327.44K |
| Virtu financial | 277.77K | 0.25% | $273.00K |
| Susquehanna group, llp | 256.70K | 0.24% | $251.57K |
| Citadel advisors | 195.80K | 0.18% | $192.71K |
| D. e. shaw | 117.17K | 0.11% | $115.32K |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Virtu financial | 277.77K | 0.02% | $273.00K |
| Ameriprise financial | 6.39M | 0.00% | $6.29M |
| Jacobs levy equity management | 332.70K | 0.00% | $327.44K |
| Northern trust | 1.62M | 0.00% | $1.59M |
| Blackrock | 15.44M | 0.00% | $15.20M |
| Great valley advisor group | 12.00K | 0.00% | $12.00K |
| Bank of america corp /de/ | 1.28M | 0.00% | $1.26M |
| Halpern financial | 300.00 | 0.00% | $295.00K |
| D. e. shaw | 117.17K | 0.00% | $115.32K |
| Gts securities | 46.20K | 0.00% | $45.46K |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Jacobs levy equity management | 332.70K | 0.00% | 332.70K |
| Virtu financial | 277.77K | 0.02% | 277.77K |
| Blackrock | 15.44M | 0.00% | 263.65K |
| Citadel advisors | 195.80K | - | 73.40K |
| Raymond james financial services advisors | 27.71K | - | 50.00 |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Blackrock funding, inc. /de | - | - | -15.44M |
| Vanguard group | - | - | -10.47M |
| Granahan investment management | - | - | -7.71M |
| Geode capital management | - | - | -4.68M |
| State street | - | - | -3.84M |
Sold Out
| Holder | Change |
|---|---|
| Zurcher kantonalbank (zurich cantonalbank) | -3.00 |
| Fairfield financial advisors | -3.00 |
| Concord wealth partners | -4.00 |
| Main street group | -5.00 |
| Headlands | -6.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Mar 31, 2025 | 92 | 10.84% | 3,501,174 | 23.27% | 35 | 1673.23% | 36 | 80.00% | 26 | -57.38% |
| Dec 31, 2024 | 4 | -97.18% | 25,167 | -99.96% | - | 0.00% | 1 | -98.18% | 2 | -95.35% |
| Sep 30, 2024 | 141 | -9.03% | 62,348,731 | -20.43% | 32 | 0.62% | 54 | -12.90% | 43 | -8.51% |
| Jun 30, 2024 | 154 | -7.23% | 78,352,735 | -23.87% | 71 | 0.81% | 61 | -29.07% | 47 | 14.63% |
| Mar 31, 2024 | 166 | -16.16% | 102,924,462 | -21.06% | 94 | 0.66% | 86 | -25.86% | 41 | 2.50% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard US Total Market Shares ETF | 5.86M | 2.99% | 1.00 |
| Vanguard Total Stock Mkt Idx Inv | 293.12K | 2.99% | - |
| iShares Russell 2000 ETF | 239.80K | 2.45% | 41.00 |
| ACATIS Datini Valueflex Fonds A | 165.00K | 1.69% | - |
| Vanguard Institutional Extnd Mkt Idx Tr | 159.57K | 1.63% | - |
| Fidelity Select Pharmaceuticals Port | 2.23M | 1.15% | - |
| Fidelity Small Cap Index | 98.61K | 1.01% | -2.54K |
| M&G (ACS) Granahan US Sm Cp Gr GBPZ1AAcc | 1.81M | 0.93% | 86.07K |
| iShares Russell 2000 Value ETF | 90.10K | 0.92% | -305.00 |
| iShares Biotechnology ETF | 1.26M | 0.65% | - |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Mar 03, 2025 | Colvin Richard A | Chief Medical Officer | Sell | $2.29K |
| Mar 03, 2025 | Klima Thomas J | See Remarks | Sell | $1.96K |
| Mar 03, 2025 | Obenshain Andrew | President and CEO | Sell | $3.61K |
| Feb 03, 2025 | Klima Thomas J | See Remarks | Sell | $901.89 |
| Feb 03, 2025 | Colvin Richard A | Chief Medical Officer | Sell | $473.12 |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q2 | - | - |
| 2025 Q1 | - | 9 |
| 2024 Q4 | - | 2 |
| 2024 Q3 | - | 2 |
| 2024 Q2 | - | 1 |
BLUE Ownership FAQ
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