bluebird bio, Inc.
BLUEDelisted Jun 2, 2025- Industry
- Biological Products, (No Diagnostic Substances)
- SEC CIK
- 0001293971
bluebird bio, Inc. was delisted on Jun 2, 2025; its insiders filed their last Form 4 on Jun 3, 2025; 85 institutions reported holding it in 13F filings for Q1 2025, worth $17.1M in total; no superinvestor held it.
13F holders, Q1 2024
Institutional positions in bluebird bio, Inc. as of Mar 31, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 159
- −28 vs. Q4 2023
- Shares held
- 103.1M
- −27.5M (−21.0%) vs. Q4 2023
- Total value
- $131.6M
- −$48.6M (−27.0%) vs. Q4 2023
- New holders
- 25
- 63 more added
- Sold out
- 53
- 41 more reduced
1 institution that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2023: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting BLUE on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 0 | $0 |
| Q1 2026 | 0 | $0 |
| Q4 2025 | 0 | $0 |
| Q3 2025 | 0 | $0 |
| Q2 2025 | 3 | $6.89K |
| Q1 2025 | 85 | $17.1M |
| Q4 2024 | 83 | $23.8M |
| Q3 2024 | 140 | $32.9M |
| Q2 2024 | 152 | $77.2M |
| Q1 2024 | 159 | $131.6M |
| Q4 2023 | 188 | $180.2M |
| Q3 2023 | 170 | $272.7M |
| Q2 2023 | 177 | $308.6M |
| Q1 2023 | 180 | $309.5M |
| Q4 2022 | 186 | $470.5M |
| Q3 2022 | 163 | $414.9M |
| Q2 2022 | 156 | $227.9M |
| Q1 2022 | 178 | $300.5M |
| Q4 2021 | 176 | $581.9M |
| Q3 2021 | 200 | $996.6M |
| Q2 2021 | 235 | $1.70B |
| Q1 2021 | 235 | $1.58B |
Institutions, Q1 2024
Shares, value and share of portfolio for each institution holding bluebird bio, Inc.; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 15,178,562 | $19.4M | 0.00% | +6,195,561+69.0% | Added |
| Vanguard Group Inc | 10,498,460 | $13.4M | 0.00% | +1,723,081+19.6% | Added |
| Granahan Investment Management Inc | 7,711,669 | $9.87M | 0.35% | −366,028−4.5% | Reduced |
| Ameriprise Financial Inc | 6,392,198 | $8.18M | 0.00% | +3,636,498+132.0% | Added |
| Millennium Management LLC | 6,239,541 | $7.99M | 0.01% | +2,825,929+82.8% | Added |
| Palo Alto Investors LP | 4,560,171 | $5.84M | 0.66% | +1,226,838+36.8% | Added |
| Geode Capital Management, LLC | 4,318,267 | $5.53M | 0.00% | +1,948,583+82.2% | Added |
| State Street Corp | 3,428,135 | $4.39M | 0.00% | −10,437,584−75.3% | Reduced |
| Two Sigma Investments, LP | 2,774,042 | $3.55M | 0.01% | −136,770−4.7% | Reduced |
| Tang Capital Management LLC | 2,500,000 | $3.20M | 0.33% | +800,000+47.1% | Added |
| FMR LLC | 2,380,610 | $3.05M | 0.00% | +4,044+0.2% | Added |
| Renaissance Technologies LLC | 2,187,700 | $2.80M | 0.00% | −451,000−17.1% | Reduced |
| PFM Health Sciences, LP | 2,042,651 | $2.61M | 0.13% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 1,933,076 | $2.47M | 0.00% | +177,241+10.1% | Added |
| Frazier Life Sciences Management, L.P. | 1,709,907 | $2.19M | 0.09% | 00.0% | Unchanged |
| Dimensional Fund Advisors LP | 1,647,546 | $2.11M | 0.00% | −1,347,728−45.0% | Reduced |
| Northern Trust Corp | 1,621,230 | $2.08M | 0.00% | +620,992+62.1% | Added |
| Susquehanna International Group, LLP | 1,333,299 | $1.71M | 0.00% | −150,568−10.1% | Reduced |
| Bank of America Corp | 1,295,173 | $1.66M | 0.00% | −328,635−20.2% | Reduced |
| Morgan Stanley | 1,278,854 | $1.64M | 0.00% | +66,348+5.5% | Added |
| Alyeska Investment Group, L.P. | 1,255,937 | $1.61M | 0.01% | −5,656,565−81.8% | Reduced |
| Hudson Bay Capital Management LP | 1,180,115 | $1.51M | 0.01% | −1,003,322−46.0% | Reduced |
| Two Sigma Advisers, LP | 1,160,800 | $1.49M | 0.00% | +792,200+214.9% | Added |
| Bleichroeder LP | 1,037,379 | $1.33M | 0.33% | −1,462,621−58.5% | Reduced |
| Masters Capital Management LLC | 1,000,000 | $1.28M | 0.24% | 00.0% | Unchanged |
| Woodline Partners LP | 975,162 | $1.25M | 0.01% | +475,018+95.0% | Added |
| Lion Point Capital, LP | 848,256 | $1.09M | 2.08% | +317,000+59.7% | Added |
| Jane Street Group, LLC | 804,770 | $1.03M | 0.00% | +463,397+135.7% | Added |
| Walleye Capital LLC | 783,436 | $1.00M | 0.01% | +783,436 | New |
| Deutsche Bank AG | 730,330 | $934.8K | 0.00% | +34,385+4.9% | Added |
| D. E. Shaw & Co., Inc. | 681,268 | $872.0K | 0.00% | +681,268 | New |
| Goldman Sachs Group Inc | 680,810 | $871.4K | 0.00% | −595,776−46.7% | Reduced |
| Wellington Management Group LLP | 660,375 | $845.3K | 0.00% | +46,734+7.6% | Added |
| Jefferies Financial Group Inc. | 630,573 | $807.1K | 0.02% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 574,183 | $735.0K | 0.00% | +153,939+36.6% | Added |
| Group One Trading, L.P. | 522,659 | $669.0K | 0.02% | −425,435−44.9% | Reduced |
| Charles Schwab Investment Management Inc | 522,458 | $668.7K | 0.00% | +228,459+77.7% | Added |
| Nuveen Asset Management, LLC | 409,857 | $524.6K | 0.00% | +100,581+32.5% | Added |
| Graham Capital Management, L.P. | 365,481 | $467.8K | 0.01% | −89,847−19.7% | Reduced |
| Legal & General Group Plc | 338,678 | $433.5K | 0.00% | +329,265+3,498.0% | Added |
| AQR Capital Management LLC | 321,375 | $411.4K | 0.00% | +133,591+71.1% | Added |
| Birchview Capital, LP | 321,200 | $411.1K | 0.34% | 00.0% | Unchanged |
| Captrust Financial Advisors | 317,786 | $406.8K | 0.00% | +231,190+267.0% | Added |
| Simplex Trading, LLC | 260,545 | $333.0K | 0.01% | +7,279+2.9% | Added |
| XTX Topco Ltd | 257,907 | $330.1K | 0.04% | +238,975+1,262.3% | Added |
| Rhumbline Advisers | 233,217 | $298.5K | 0.00% | +67,151+40.4% | Added |
| Summit X, LLC | 229,773 | $294.1K | 0.08% | +50,821+28.4% | Added |
| LPL Financial LLC | 229,032 | $293.2K | 0.00% | +202,154+752.1% | Added |
| UBS Group AG | 219,125 | $280.5K | 0.00% | −466,218−68.0% | Reduced |
| Citadel Advisors LLC | 208,940 | $267.4K | 0.00% | −1,274,890−85.9% | Reduced |
| Bridgeway Capital Management, LLC | 200,000 | $256.0K | 0.01% | +200,000 | New |
| New York State Common Retirement Fund | 190,408 | $243.7K | 0.00% | −277−0.1% | Reduced |
| Harbor Capital Advisors, Inc. | 179,841 | $230.0K | 0.03% | +179,841 | New |
| Alliancebernstein L.P. | 168,990 | $216.3K | 0.00% | 00.0% | Unchanged |
| Marex Group plc | 166,344 | $212.9K | 0.01% | −36,247−17.9% | Reduced |
| Integrated Wealth Concepts LLC | 149,046 | $190.8K | 0.00% | +125,556+534.5% | Added |
| Barclays PLC | 134,329 | $171.9K | 0.00% | −490,432−78.5% | Reduced |
| Colony Group, LLC | 115,788 | $148.0K | 0.00% | +85,133+277.7% | Added |
| Virtus ETF Advisers LLC | 115,461 | $147.8K | 0.08% | +16,612+16.8% | Added |
| Rafferty Asset Management, LLC | 108,636 | $139.1K | 0.00% | −1,317,237−92.4% | Reduced |
| Tudor Investment Corp Et Al | 107,960 | $138.2K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 102,100 | $130.7K | 0.00% | −422,863−80.6% | Reduced |
| MetLife Investment Management | 100,442 | $128.6K | 0.00% | +45,915+84.2% | Added |
| American International Group, Inc. | 94,371 | $120.8K | 0.00% | +41,177+77.4% | Added |
| Wells Fargo & Company | 88,758 | $113.6K | 0.00% | +38,673+77.2% | Added |
| Pennant Investors, LP | 87,400 | $111.9K | 0.03% | 00.0% | Unchanged |
| Invesco Ltd. | 81,772 | $104.7K | 0.00% | −13,439−14.1% | Reduced |
| SG Americas Securities, LLC | 80,032 | $102.0K | 0.00% | +65,710+458.8% | Added |
| Dynamic Advisor Solutions LLC | 70,333 | $90.0K | 0.00% | +32,500+85.9% | Added |
| Cerity Partners LLC | 69,642 | $89.1K | 0.00% | +10,019+16.8% | Added |
| State Board of Administration of Florida Retirement System | 27,696 | $88.1K | 0.00% | −2,840−9.3% | Reduced |
| Huntington National Bank | 68,493 | $87.7K | 0.00% | +67,993+13,598.6% | Added |
| HRT Financial LP | 63,579 | $81.0K | 0.00% | +63,579 | New |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 61,357 | $78.5K | 0.00% | −2,810−4.4% | Reduced |
| Manufacturers Life Insurance Company, The | 60,316 | $77.2K | 0.00% | +17,285+40.2% | Added |
| Voya Investment Management LLC | 60,241 | $77.1K | 0.00% | +17,072+39.5% | Added |
| GTS Securities LLC | 58,160 | $74.4K | 0.00% | −54,063−48.2% | Reduced |
| Mariner, LLC | 57,235 | $73.3K | 0.00% | −516−0.9% | Reduced |
| Price T Rowe Associates Inc | 54,714 | $71.0K | 0.00% | +29,113+113.7% | Added |
| Advisor Group Holdings, Inc. | 49,192 | $63.0K | 0.00% | −1,603−3.2% | Reduced |
| Citigroup Inc | 48,279 | $61.8K | 0.00% | −485,020−90.9% | Reduced |
| ProShare Advisors LLC | 47,745 | $61.1K | 0.00% | +23,046+93.3% | Added |
| Prospera Financial Services Inc | 41,500 | $53.1K | 0.00% | +28,800+226.8% | Added |
| Bayesian Capital Management, LP | 40,443 | $51.8K | 0.00% | +40,443 | New |
| Sequoia Financial Advisors, LLC | 40,085 | $51.3K | 0.00% | +13,000+48.0% | Added |
| Principal Financial Group Inc | 39,026 | $50.0K | 0.00% | +5,725+17.2% | Added |
| Sargent Investment Group, LLC | 39,010 | $49.9K | 0.01% | +11,671+42.7% | Added |
| China Universal Asset Management Co., Ltd. | 36,580 | $46.8K | 0.01% | +23,933+189.2% | Added |
| Horizon Kinetics Asset Management LLC | 36,468 | $46.7K | 0.00% | 00.0% | Unchanged |
| Enterprise Bank & Trust Co | 30,000 | $38.4K | 0.01% | +30,000 | New |
| Commonwealth Equity Services, LLC | 28,497 | $36.0K | 0.00% | +14,400+102.1% | Added |
| Raymond James Financial Services Advisors, Inc. | 27,660 | $35.4K | 0.00% | +500+1.8% | Added |
| Quinn Opportunity Partners LLC | 26,624 | $34.1K | 0.00% | 00.0% | Unchanged |
| Brighton Jones LLC | 25,720 | $32.9K | 0.00% | +1,651+6.9% | Added |
| Johnson Investment Counsel Inc | 23,732 | $30.4K | 0.00% | −4,157−14.9% | Reduced |
| Independent Financial Group, LLC | 23,400 | $30.0K | 0.00% | +23,400 | New |
| HSBC Holdings PLC | 20,531 | $26.3K | 0.00% | +20,531 | New |
| Atom Investors LP | 20,489 | $26.2K | 0.00% | +20,489 | New |
| Holderness Investments Co | 20,074 | $25.7K | 0.01% | 00.0% | Unchanged |
| Advisory Services Network, LLC | 20,000 | $25.6K | 0.00% | +7,000+53.8% | Added |