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, Q4 2023
Institutional positions in bluebird bio, Inc. as of Dec 31, 2023. 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
- 188
- +21 vs. Q3 2023
- Shares held
- 130.6M
- +40.9M (+45.7%) vs. Q3 2023
- Total value
- $180.2M
- −$92.3M (−33.9%) vs. Q3 2023
- New holders
- 55
- 64 more added
- Sold out
- 34
- 39 more reduced
3 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2023
Shares, value and share of portfolio for each institution holding bluebird bio, Inc.; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| State Street Corp | 13,865,719 | $19.1M | 0.00% | +1,200,603+9.5% | Added |
| BlackRock Inc. | 8,983,001 | $12.4M | 0.00% | +154,588+1.8% | Added |
| Vanguard Group Inc | 8,775,379 | $12.1M | 0.00% | +3,157,919+56.2% | Added |
| Granahan Investment Management Inc | 8,077,697 | $11.1M | 0.37% | +2,939,919+57.2% | Added |
| Alyeska Investment Group, L.P. | 6,912,502 | $9.54M | 0.06% | +6,912,502 | New |
| Pictet Asset Management Holding SA | 5,687,334 | $7.85M | 0.01% | +539,781+10.5% | Added |
| Norges Bank | 3,995,600 | $5.51M | 0.00% | +3,958,209+10,586.0% | Added |
| Millennium Management LLC | 3,413,612 | $4.71M | 0.00% | +3,091,425+959.5% | Added |
| Palo Alto Investors LP | 3,333,333 | $4.60M | 0.41% | +3,333,333 | New |
| Ghisallo Capital Management LLC | 3,150,000 | $4.35M | 0.45% | +3,150,000 | New |
| Dimensional Fund Advisors LP | 2,995,274 | $4.13M | 0.00% | +1,306,691+77.4% | Added |
| Two Sigma Investments, LP | 2,910,812 | $4.02M | 0.01% | +2,910,812 | New |
| Ameriprise Financial Inc | 2,755,700 | $3.80M | 0.00% | +453,227+19.7% | Added |
| Renaissance Technologies LLC | 2,638,700 | $3.64M | 0.01% | +2,163,800+455.6% | Added |
| Bleichroeder LP | 2,500,000 | $3.45M | 0.77% | +1,600,000+177.8% | Added |
| FMR LLC | 2,376,566 | $3.28M | 0.00% | +2,211,345+1,338.4% | Added |
| Geode Capital Management, LLC | 2,369,684 | $3.27M | 0.00% | +148,190+6.7% | Added |
| Hudson Bay Capital Management LP | 2,183,437 | $3.01M | 0.03% | +1,855,937+566.7% | Added |
| Vestal Point Capital, LP | 2,150,000 | $2.97M | 0.31% | +2,150,000 | New |
| PFM Health Sciences, LP | 2,042,651 | $2.82M | 0.17% | −3,998,283−66.2% | Reduced |
| Farallon Capital Management, L.L.C. | 2,000,000 | $2.76M | 0.02% | +2,000,000 | New |
| JPMorgan Chase & Co | 1,755,835 | $2.42M | 0.00% | +85,054+5.1% | Added |
| Frazier Life Sciences Management, L.P. | 1,709,907 | $2.36M | 0.13% | 00.0% | Unchanged |
| Tang Capital Management LLC | 1,700,000 | $2.35M | 0.22% | −2,582,827−60.3% | Reduced |
| Bank of America Corp | 1,623,808 | $2.24M | 0.00% | +406,796+33.4% | Added |
| HBK Investments L P | 1,500,000 | $2.07M | 0.05% | +1,500,000 | New |
| Susquehanna International Group, LLP | 1,483,867 | $2.05M | 0.00% | +890,521+150.1% | Added |
| Citadel Advisors LLC | 1,483,830 | $2.05M | 0.00% | +701,455+89.7% | Added |
| Rafferty Asset Management, LLC | 1,425,873 | $1.97M | 0.01% | −65,538−4.4% | Reduced |
| Goldman Sachs Group Inc | 1,276,586 | $1.76M | 0.00% | +515,812+67.8% | Added |
| Morgan Stanley | 1,212,506 | $1.67M | 0.00% | +791,728+188.2% | Added |
| Contrarius Investment Management Ltd | 1,206,506 | $1.67M | 0.09% | −101,496−7.8% | Reduced |
| Qube Research & Technologies Ltd | 1,124,574 | $1.55M | 0.00% | +1,124,574 | New |
| Northern Trust Corp | 1,000,238 | $1.38M | 0.00% | −131,776−11.6% | Reduced |
| Masters Capital Management LLC | 1,000,000 | $1.38M | 0.24% | +1,000,000 | New |
| Group One Trading, L.P. | 948,094 | $1.31M | 0.04% | +283,372+42.6% | Added |
| Squarepoint Ops LLC | 857,766 | $1.18M | 0.00% | +742,060+641.3% | Added |
| Weiss Asset Management LP | 750,000 | $1.03M | 0.07% | +750,000 | New |
| Jacobs Levy Equity Management, Inc | 735,009 | $1.01M | 0.01% | −1,106,575−60.1% | Reduced |
| Deutsche Bank AG | 695,945 | $960.4K | 0.00% | +3,064+0.4% | Added |
| UBS Group AG | 685,343 | $945.8K | 0.00% | +397,473+138.1% | Added |
| Jefferies Financial Group Inc. | 630,573 | $870.2K | 0.01% | −102,327−14.0% | Reduced |
| Barclays PLC | 624,761 | $862.2K | 0.00% | −3,054−0.5% | Reduced |
| Wellington Management Group LLP | 613,641 | $846.8K | 0.00% | +31,473+5.4% | Added |
| Point72 Asset Management, L.P. | 584,400 | $806.5K | 0.00% | +575,245+6,283.4% | Added |
| Citigroup Inc | 533,299 | $736.0K | 0.00% | −24,670−4.4% | Reduced |
| Lion Point Capital, LP | 531,256 | $733.1K | 0.65% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 524,963 | $724.4K | 0.00% | +310,461+144.7% | Added |
| Woodline Partners LP | 500,144 | $690.2K | 0.01% | −2,228,593−81.7% | Reduced |
| Monashee Investment Management LLC | 500,000 | $690.0K | 0.12% | +500,000 | New |
| Ghost Tree Capital, LLC | 465,000 | $641.7K | 0.37% | +465,000 | New |
| Graham Capital Management, L.P. | 455,328 | $628.4K | 0.02% | +455,328 | New |
| Bank of New York Mellon Corp | 420,244 | $579.9K | 0.00% | +8,778+2.1% | Added |
| Two Sigma Advisers, LP | 368,600 | $508.7K | 0.00% | +368,600 | New |
| Jane Street Group, LLC | 341,373 | $471.1K | 0.00% | −265,709−43.8% | Reduced |
| Birchview Capital, LP | 321,200 | $443.3K | 0.35% | −134,000−29.4% | Reduced |
| Nuveen Asset Management, LLC | 309,276 | $426.8K | 0.00% | +3,968+1.3% | Added |
| Charles Schwab Investment Management Inc | 293,999 | $405.7K | 0.00% | +2,298+0.8% | Added |
| Simplex Trading, LLC | 253,266 | $349.0K | 0.01% | +2,561+1.0% | Added |
| Mirae Asset Global Investments Co., Ltd. | 234,972 | $324.3K | 0.00% | −335,960−58.8% | Reduced |
| Virtu Financial LLC | 229,542 | $317.0K | 0.03% | +229,542 | New |
| Profund Advisors LLC | 208,439 | $287.6K | 0.01% | −7,927−3.7% | Reduced |
| Marex Group plc | 202,591 | $279.6K | 0.01% | +19,316+10.5% | Added |
| New York State Common Retirement Fund | 190,685 | $263.1K | 0.00% | +76,490+67.0% | Added |
| AQR Capital Management LLC | 187,784 | $259.1K | 0.00% | +172,307+1,113.3% | Added |
| Summit X, LLC | 178,952 | $246.9K | 0.07% | +16,584+10.2% | Added |
| Alliancebernstein L.P. | 168,990 | $233.2K | 0.00% | +11,350+7.2% | Added |
| Rhumbline Advisers | 166,066 | $229.2K | 0.00% | −292−0.2% | Reduced |
| Monaco Asset Management SAM | 150,000 | $207.0K | 0.08% | +150,000 | New |
| Engineers Gate Manager LP | 116,759 | $161.1K | 0.00% | +67,074+135.0% | Added |
| Panagora Asset Management Inc | 113,362 | $156.4K | 0.00% | −239,252−67.9% | Reduced |
| GTS Securities LLC | 112,223 | $154.9K | 0.00% | +59,908+114.5% | Added |
| Schonfeld Strategic Advisors LLC | 109,969 | $151.8K | 0.00% | +109,969 | New |
| Tudor Investment Corp Et Al | 107,960 | $149.0K | 0.00% | −68,758−38.9% | Reduced |
| 683 Capital Management, LLC | 100,000 | $138.0K | 0.01% | +100,000 | New |
| American Century Companies Inc | 99,811 | $137.7K | 0.00% | +55,533+125.4% | Added |
| Virtus ETF Advisers LLC | 98,849 | $136.4K | 0.09% | +20,022+25.4% | Added |
| Invesco Ltd. | 95,211 | $131.4K | 0.00% | +6,318+7.1% | Added |
| Cubist Systematic Strategies, LLC | 93,074 | $128.4K | 0.00% | +93,074 | New |
| Pennant Investors, LP | 87,400 | $120.6K | 0.04% | +87,400 | New |
| Captrust Financial Advisors | 86,596 | $119.5K | 0.00% | +20,127+30.3% | Added |
| Russell Investments Group, Ltd. | 84,601 | $116.7K | 0.00% | −13,977−14.2% | Reduced |
| Credit Suisse AG | 70,640 | $97.5K | 0.00% | −1,714,040−96.0% | Reduced |
| E Fund Management Co., Ltd. | 70,054 | $96.7K | 0.01% | +3,076+4.6% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 64,167 | $87.9K | 0.00% | −13,829−17.7% | Reduced |
| Cerity Partners LLC | 59,623 | $82.3K | 0.00% | +59,623 | New |
| Mariner, LLC | 57,751 | $79.7K | 0.00% | +2,025+3.6% | Added |
| MetLife Investment Management | 54,527 | $75.2K | 0.00% | 00.0% | Unchanged |
| American International Group, Inc. | 53,194 | $73.4K | 0.00% | −214−0.4% | Reduced |
| Advisor Group Holdings, Inc. | 50,795 | $70.1K | 0.00% | +15,889+45.5% | Added |
| Wells Fargo & Company | 50,085 | $69.1K | 0.00% | −232,353−82.3% | Reduced |
| Scientech Research LLC | 49,842 | $68.8K | 0.07% | +49,842 | New |
| Sherbrooke Park Advisers LLC | 46,599 | $64.3K | 0.03% | +46,599 | New |
| Wolverine Trading, LLC | 45,355 | $62.6K | 0.00% | +20,195+80.3% | Added |
| Tower Research Capital LLC (TRC) | 44,844 | $61.9K | 0.00% | +23,382+108.9% | Added |
| Voya Investment Management LLC | 43,169 | $59.6K | 0.00% | −378−0.9% | Reduced |
| Manufacturers Life Insurance Company, The | 43,031 | $59.4K | 0.00% | 00.0% | Unchanged |
| Dynamic Advisor Solutions LLC | 37,833 | $53.7K | 0.00% | +37,833 | New |
| Horizon Kinetics Asset Management LLC | 36,468 | $50.3K | 0.00% | −1,532−4.0% | Reduced |
| Royal Bank of Canada | 36,194 | $50.0K | 0.00% | +10,100+38.7% | Added |