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 |
|---|---|---|---|---|---|
| Barclays PLC | 134,329 | $171.9K | 0.00% | −490,432−78.5% | Reduced |
| Integrated Wealth Concepts LLC | 149,046 | $190.8K | 0.00% | +125,556+534.5% | Added |
| Marex Group plc | 166,344 | $212.9K | 0.01% | −36,247−17.9% | Reduced |
| Alliancebernstein L.P. | 168,990 | $216.3K | 0.00% | 00.0% | Unchanged |
| Harbor Capital Advisors, Inc. | 179,841 | $230.0K | 0.03% | +179,841 | New |
| New York State Common Retirement Fund | 190,408 | $243.7K | 0.00% | −277−0.1% | Reduced |
| Bridgeway Capital Management, LLC | 200,000 | $256.0K | 0.01% | +200,000 | New |
| Citadel Advisors LLC | 208,940 | $267.4K | 0.00% | −1,274,890−85.9% | Reduced |
| UBS Group AG | 219,125 | $280.5K | 0.00% | −466,218−68.0% | Reduced |
| LPL Financial LLC | 229,032 | $293.2K | 0.00% | +202,154+752.1% | Added |
| Summit X, LLC | 229,773 | $294.1K | 0.08% | +50,821+28.4% | Added |
| Rhumbline Advisers | 233,217 | $298.5K | 0.00% | +67,151+40.4% | Added |
| XTX Topco Ltd | 257,907 | $330.1K | 0.04% | +238,975+1,262.3% | Added |
| Simplex Trading, LLC | 260,545 | $333.0K | 0.01% | +7,279+2.9% | Added |
| Captrust Financial Advisors | 317,786 | $406.8K | 0.00% | +231,190+267.0% | Added |
| Birchview Capital, LP | 321,200 | $411.1K | 0.34% | 00.0% | Unchanged |
| AQR Capital Management LLC | 321,375 | $411.4K | 0.00% | +133,591+71.1% | Added |
| Legal & General Group Plc | 338,678 | $433.5K | 0.00% | +329,265+3,498.0% | Added |
| Graham Capital Management, L.P. | 365,481 | $467.8K | 0.01% | −89,847−19.7% | Reduced |
| Nuveen Asset Management, LLC | 409,857 | $524.6K | 0.00% | +100,581+32.5% | Added |
| Charles Schwab Investment Management Inc | 522,458 | $668.7K | 0.00% | +228,459+77.7% | Added |
| Group One Trading, L.P. | 522,659 | $669.0K | 0.02% | −425,435−44.9% | Reduced |
| Bank of New York Mellon Corp | 574,183 | $735.0K | 0.00% | +153,939+36.6% | Added |
| Jefferies Financial Group Inc. | 630,573 | $807.1K | 0.02% | 00.0% | Unchanged |
| Wellington Management Group LLP | 660,375 | $845.3K | 0.00% | +46,734+7.6% | Added |
| Goldman Sachs Group Inc | 680,810 | $871.4K | 0.00% | −595,776−46.7% | Reduced |
| D. E. Shaw & Co., Inc. | 681,268 | $872.0K | 0.00% | +681,268 | New |
| Deutsche Bank AG | 730,330 | $934.8K | 0.00% | +34,385+4.9% | Added |
| Walleye Capital LLC | 783,436 | $1.00M | 0.01% | +783,436 | New |
| Jane Street Group, LLC | 804,770 | $1.03M | 0.00% | +463,397+135.7% | Added |
| Lion Point Capital, LP | 848,256 | $1.09M | 2.08% | +317,000+59.7% | Added |
| Woodline Partners LP | 975,162 | $1.25M | 0.01% | +475,018+95.0% | Added |
| Masters Capital Management LLC | 1,000,000 | $1.28M | 0.24% | 00.0% | Unchanged |
| Bleichroeder LP | 1,037,379 | $1.33M | 0.33% | −1,462,621−58.5% | Reduced |
| Two Sigma Advisers, LP | 1,160,800 | $1.49M | 0.00% | +792,200+214.9% | Added |
| Hudson Bay Capital Management LP | 1,180,115 | $1.51M | 0.01% | −1,003,322−46.0% | Reduced |
| Alyeska Investment Group, L.P. | 1,255,937 | $1.61M | 0.01% | −5,656,565−81.8% | Reduced |
| Morgan Stanley | 1,278,854 | $1.64M | 0.00% | +66,348+5.5% | Added |
| Bank of America Corp | 1,295,173 | $1.66M | 0.00% | −328,635−20.2% | Reduced |
| Susquehanna International Group, LLP | 1,333,299 | $1.71M | 0.00% | −150,568−10.1% | Reduced |
| Northern Trust Corp | 1,621,230 | $2.08M | 0.00% | +620,992+62.1% | Added |
| Dimensional Fund Advisors LP | 1,647,546 | $2.11M | 0.00% | −1,347,728−45.0% | Reduced |
| Frazier Life Sciences Management, L.P. | 1,709,907 | $2.19M | 0.09% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 1,933,076 | $2.47M | 0.00% | +177,241+10.1% | Added |
| PFM Health Sciences, LP | 2,042,651 | $2.61M | 0.13% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 2,187,700 | $2.80M | 0.00% | −451,000−17.1% | Reduced |
| FMR LLC | 2,380,610 | $3.05M | 0.00% | +4,044+0.2% | Added |
| Tang Capital Management LLC | 2,500,000 | $3.20M | 0.33% | +800,000+47.1% | Added |
| Two Sigma Investments, LP | 2,774,042 | $3.55M | 0.01% | −136,770−4.7% | Reduced |
| State Street Corp | 3,428,135 | $4.39M | 0.00% | −10,437,584−75.3% | Reduced |
| Geode Capital Management, LLC | 4,318,267 | $5.53M | 0.00% | +1,948,583+82.2% | Added |
| Palo Alto Investors LP | 4,560,171 | $5.84M | 0.66% | +1,226,838+36.8% | Added |
| Millennium Management LLC | 6,239,541 | $7.99M | 0.01% | +2,825,929+82.8% | Added |
| Ameriprise Financial Inc | 6,392,198 | $8.18M | 0.00% | +3,636,498+132.0% | Added |
| Granahan Investment Management Inc | 7,711,669 | $9.87M | 0.35% | −366,028−4.5% | Reduced |
| Vanguard Group Inc | 10,498,460 | $13.4M | 0.00% | +1,723,081+19.6% | Added |
| BlackRock Inc. | 15,178,562 | $19.4M | 0.00% | +6,195,561+69.0% | Added |
| Mirae Asset Global Investments Co., Ltd. | 325,111 | – | – | +90,139+38.4% | Added |
| Maxi Investments CY Ltd | 23,137 | – | – | +23,137 | New |
| Pictet Asset Management Holding SA | 0 | $0 | 0.00% | −5,687,334−100.0% | Sold out |
| Norges Bank | 0 | $0 | 0.00% | −3,995,600−100.0% | Sold out |
| Ghisallo Capital Management LLC | 0 | $0 | 0.00% | −3,150,000−100.0% | Sold out |
| Vestal Point Capital, LP | 0 | $0 | 0.00% | −2,150,000−100.0% | Sold out |
| Farallon Capital Management, L.L.C. | 0 | $0 | 0.00% | −2,000,000−100.0% | Sold out |
| HBK Investments L P | 0 | $0 | 0.00% | −1,500,000−100.0% | Sold out |
| Contrarius Investment Management Ltd | 0 | $0 | 0.00% | −1,206,506−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −1,124,574−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −857,766−100.0% | Sold out |
| Weiss Asset Management LP | 0 | $0 | 0.00% | −750,000−100.0% | Sold out |
| Jacobs Levy Equity Management, Inc | 0 | $0 | 0.00% | −735,009−100.0% | Sold out |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −584,400−100.0% | Sold out |
| Monashee Investment Management LLC | 0 | $0 | 0.00% | −500,000−100.0% | Sold out |
| Ghost Tree Capital, LLC | 0 | $0 | 0.00% | −465,000−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −229,542−100.0% | Sold out |
| Profund Advisors LLC | 0 | $0 | 0.00% | −208,439−100.0% | Sold out |
| Monaco Asset Management SAM | 0 | $0 | 0.00% | −150,000−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −116,759−100.0% | Sold out |
| Panagora Asset Management Inc | 0 | $0 | 0.00% | −113,362−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −109,969−100.0% | Sold out |
| 683 Capital Management, LLC | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| American Century Companies Inc | 0 | $0 | 0.00% | −99,811−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −93,074−100.0% | Sold out |
| Russell Investments Group, Ltd. | 0 | $0 | 0.00% | −84,601−100.0% | Sold out |
| Credit Suisse AG | 0 | $0 | 0.00% | −70,640−100.0% | Sold out |
| E Fund Management Co., Ltd. | 0 | $0 | 0.00% | −70,054−100.0% | Sold out |
| Scientech Research LLC | 0 | $0 | 0.00% | −49,842−100.0% | Sold out |
| Sherbrooke Park Advisers LLC | 0 | $0 | 0.00% | −46,599−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −34,141−100.0% | Sold out |
| Quent Capital, LLC | 0 | $0 | 0.00% | −33,000−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −26,760−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −21,254−100.0% | Sold out |
| Glenmede Trust Co NA | 0 | $0 | 0.00% | −20,000−100.0% | Sold out |
| Franklin Resources Inc | 0 | $0 | 0.00% | −19,946−100.0% | Sold out |
| Fiera Capital Corp | 0 | $0 | 0.00% | −18,827−100.0% | Sold out |
| Channel Wealth LLC | 0 | $0 | 0.00% | −12,500−100.0% | Sold out |
| Gabelli Funds LLC | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Public Employees Retirement Association of Colorado | 0 | $0 | 0.00% | −8,715−100.0% | Sold out |
| Byrne Asset Management LLC | 0 | $0 | 0.00% | −8,000−100.0% | Sold out |
| Quadrant Capital Group LLC | 0 | $0 | 0.00% | −5,346−100.0% | Sold out |
| Itau Unibanco Holding S.A. | 0 | $0 | 0.00% | −4,868−100.0% | Sold out |