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, Q3 2023
Institutional positions in bluebird bio, Inc. as of Sep 30, 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
- 170
- −6 vs. Q2 2023
- Shares held
- 89.7M
- +598.9K (+0.7%) vs. Q2 2023
- Total value
- $272.7M
- −$20.5M (−7.0%) vs. Q2 2023
- New holders
- 15
- 57 more added
- Sold out
- 21
- 47 more reduced
1 institution that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2023
Shares, value and share of portfolio for each institution holding bluebird bio, Inc.; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| State Street Corp | 12,665,116 | $38.5M | 0.00% | −3,693,014−22.6% | Reduced |
| BlackRock Inc. | 8,828,413 | $26.8M | 0.00% | +35,691+0.4% | Added |
| PFM Health Sciences, LP | 6,040,934 | $18.4M | 0.88% | −1,244,187−17.1% | Reduced |
| Vanguard Group Inc | 5,617,460 | $17.1M | 0.00% | +46,216+0.8% | Added |
| Pictet Asset Management Holding SA | 5,147,553 | $15.6M | 0.02% | +5,147,553 | New |
| Granahan Investment Management Inc | 5,137,778 | $15.6M | 0.56% | +281,456+5.8% | Added |
| Tang Capital Management LLC | 4,282,827 | $13.0M | 1.84% | −3,100,000−42.0% | Reduced |
| Woodline Partners LP | 2,728,737 | $8.30M | 0.10% | +1,945,845+248.5% | Added |
| Baker Bros. Advisors LP | 2,499,715 | $7.60M | 0.04% | 00.0% | Unchanged |
| Ameriprise Financial Inc | 2,302,473 | $7.00M | 0.00% | +2,053,639+825.3% | Added |
| Geode Capital Management, LLC | 2,221,494 | $6.75M | 0.00% | +1,736+0.1% | Added |
| Jacobs Levy Equity Management, Inc | 1,841,584 | $5.60M | 0.03% | −249,326−11.9% | Reduced |
| Credit Suisse AG | 1,784,680 | $5.43M | 0.01% | −67,128−3.6% | Reduced |
| Frazier Life Sciences Management, L.P. | 1,709,907 | $5.20M | 0.35% | 00.0% | Unchanged |
| Dimensional Fund Advisors LP | 1,688,583 | $5.13M | 0.00% | +303,763+21.9% | Added |
| JPMorgan Chase & Co | 1,670,781 | $5.08M | 0.00% | −93,540−5.3% | Reduced |
| Rafferty Asset Management, LLC | 1,491,411 | $4.53M | 0.03% | −346,051−18.8% | Reduced |
| Contrarius Investment Management Ltd | 1,308,002 | $3.98M | 0.22% | +1,308,002 | New |
| Bank of America Corp | 1,217,012 | $3.70M | 0.00% | −717,587−37.1% | Reduced |
| Northern Trust Corp | 1,132,014 | $3.44M | 0.00% | +8,523+0.8% | Added |
| Bleichroeder LP | 900,000 | $2.74M | 0.67% | +900,000 | New |
| Citadel Advisors LLC | 782,375 | $2.38M | 0.00% | +343,341+78.2% | Added |
| Goldman Sachs Group Inc | 760,774 | $2.31M | 0.00% | −297,834−28.1% | Reduced |
| Jefferies Financial Group Inc. | 732,900 | $2.23M | 0.06% | +701,447+2,230.1% | Added |
| Deutsche Bank AG | 692,881 | $2.11M | 0.00% | +309,690+80.8% | Added |
| Group One Trading, L.P. | 664,722 | $2.02M | 0.08% | −131,231−16.5% | Reduced |
| Barclays PLC | 627,815 | $1.91M | 0.00% | −122,938−16.4% | Reduced |
| Jane Street Group, LLC | 607,082 | $1.85M | 0.00% | −346,213−36.3% | Reduced |
| Susquehanna International Group, LLP | 593,346 | $1.80M | 0.00% | +80,212+15.6% | Added |
| Wellington Management Group LLP | 582,168 | $1.77M | 0.00% | +26,573+4.8% | Added |
| Mirae Asset Global Investments Co., Ltd. | 570,932 | $1.74M | 0.00% | +30,461+5.6% | Added |
| Citigroup Inc | 557,969 | $1.70M | 0.00% | +30,532+5.8% | Added |
| Lion Point Capital, LP | 531,256 | $1.62M | 1.48% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 474,900 | $1.44M | 0.00% | −75,300−13.7% | Reduced |
| Birchview Capital, LP | 455,200 | $1.38M | 1.18% | +206,000+82.7% | Added |
| ExodusPoint Capital Management, LP | 423,733 | $1.29M | 0.02% | +152,106+56.0% | Added |
| Morgan Stanley | 420,778 | $1.28M | 0.00% | −45,035−9.7% | Reduced |
| Bank of New York Mellon Corp | 411,466 | $1.25M | 0.00% | +6,044+1.5% | Added |
| Panagora Asset Management Inc | 352,614 | $1.07M | 0.01% | +110.0% | Added |
| Hudson Bay Capital Management LP | 327,500 | $995.6K | 0.01% | +27,500+9.2% | Added |
| Millennium Management LLC | 322,187 | $979.4K | 0.00% | +322,187 | New |
| Nuveen Asset Management, LLC | 305,308 | $928.1K | 0.00% | −2,447−0.8% | Reduced |
| Charles Schwab Investment Management Inc | 291,701 | $886.8K | 0.00% | −353−0.1% | Reduced |
| UBS Group AG | 287,870 | $875.1K | 0.00% | −131,317−31.3% | Reduced |
| Wells Fargo & Company | 282,438 | $858.6K | 0.00% | −68,433−19.5% | Reduced |
| Endurant Capital Management LP | 251,785 | $765.4K | 0.69% | −29,656−10.5% | Reduced |
| Simplex Trading, LLC | 250,705 | $762.0K | 0.03% | +11,414+4.8% | Added |
| Swiss National Bank | 231,600 | $704.1K | 0.00% | 00.0% | Unchanged |
| Profund Advisors LLC | 216,366 | $657.8K | 0.04% | −78,315−26.6% | Reduced |
| BNP Paribas Arbitrage, SA | 214,502 | $652.1K | 0.00% | −115,795−35.1% | Reduced |
| Marex Group plc | 183,275 | $557.2K | 0.08% | +13,942+8.2% | Added |
| Tudor Investment Corp Et Al | 176,718 | $537.2K | 0.01% | +127,014+255.5% | Added |
| Rhumbline Advisers | 166,358 | $505.7K | 0.00% | +528+0.3% | Added |
| FMR LLC | 165,221 | $502.3K | 0.00% | +11,082+7.2% | Added |
| Summit X, LLC | 162,368 | $493.6K | 0.16% | −60,077−27.0% | Reduced |
| Alliancebernstein L.P. | 157,640 | $479.2K | 0.00% | 00.0% | Unchanged |
| Public Employees Retirement System of Ohio | 157,338 | $478.0K | 0.00% | 00.0% | Unchanged |
| Caxton Associates LP | 152,389 | $463.3K | 0.06% | +99,464+187.9% | Added |
| UBS Asset Management Americas Inc | 135,337 | $411.4K | 0.00% | +113,432+517.8% | Added |
| HRT Financial LP | 130,097 | $395.0K | 0.00% | +17,004+15.0% | Added |
| California State Teachers Retirement System | 117,650 | $357.7K | 0.00% | −11,515−8.9% | Reduced |
| Squarepoint Ops LLC | 115,706 | $351.7K | 0.00% | −66,350−36.4% | Reduced |
| New York State Common Retirement Fund | 114,195 | $347.2K | 0.00% | +16,603+17.0% | Added |
| Legal & General Group Plc | 103,658 | $315.1K | 0.00% | −306,899−74.8% | Reduced |
| Russell Investments Group, Ltd. | 98,578 | $299.7K | 0.00% | −580−0.6% | Reduced |
| Invesco Ltd. | 88,893 | $270.2K | 0.00% | +157+0.2% | Added |
| Point72 Middle East FZE | 88,141 | $267.9K | 0.02% | +24,789+39.1% | Added |
| BIT Capital GmbH | 81,154 | $245.1K | 0.03% | 00.0% | Unchanged |
| Virtus ETF Advisers LLC | 78,827 | $239.6K | 0.15% | −10,195−11.5% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 77,996 | $237.1K | 0.00% | +4,751+6.5% | Added |
| E Fund Management Co., Ltd. | 66,978 | $204.0K | 0.02% | −21,612−24.4% | Reduced |
| Captrust Financial Advisors | 66,469 | $171.7K | 0.00% | +17,495+35.7% | Added |
| Mariner, LLC | 55,726 | $169.4K | 0.00% | +20,074+56.3% | Added |
| MetLife Investment Management | 54,527 | $165.8K | 0.00% | 00.0% | Unchanged |
| Verition Fund Management LLC | 53,652 | $163.1K | 0.00% | +53,652 | New |
| American International Group, Inc. | 53,408 | $162.4K | 0.00% | +1,898+3.7% | Added |
| GTS Securities LLC | 52,315 | $159.0K | 0.00% | +10,761+25.9% | Added |
| Engineers Gate Manager LP | 49,685 | $151.0K | 0.01% | +49,685 | New |
| Y-Intercept (Hong Kong) Ltd | 48,761 | $148.2K | 0.01% | +48,761 | New |
| Hennion & Walsh Asset Management, Inc. | 48,666 | $147.9K | 0.01% | −9,608−16.5% | Reduced |
| American Century Companies Inc | 44,278 | $134.6K | 0.00% | +13,765+45.1% | Added |
| Voya Investment Management LLC | 43,547 | $132.4K | 0.00% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 43,031 | $130.8K | 0.00% | 00.0% | Unchanged |
| Colony Group LLC | 41,942 | $128.0K | 0.00% | +2,623+6.7% | Added |
| Janus Henderson Group PLC | 40,598 | $123.2K | 0.00% | +30.0% | Added |
| Horizon Kinetics Asset Management LLC | 38,000 | $115.5K | 0.00% | 00.0% | Unchanged |
| Principal Financial Group Inc | 37,741 | $114.7K | 0.00% | −650−1.7% | Reduced |
| Norges Bank | 37,391 | $113.7K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 34,906 | $106.1K | 0.00% | +7,059+25.3% | Added |
| Quent Capital, LLC | 33,000 | $100.3K | 0.02% | 00.0% | Unchanged |
| Connacht Asset Management LP | 31,634 | $96.2K | 0.57% | +31,634 | New |
| State Board of Administration of Florida Retirement System | 30,536 | $92.8K | 0.00% | +160+0.5% | Added |
| Arizona State Retirement System | 30,298 | $92.1K | 0.00% | +421+1.4% | Added |
| Teacher Retirement System of Texas | 30,220 | $92.0K | 0.00% | +1,373+4.8% | Added |
| Martingale Asset Management L P | 27,967 | $85.0K | 0.00% | 00.0% | Unchanged |
| Quinn Opportunity Partners LLC | 26,624 | $80.9K | 0.01% | 00.0% | Unchanged |
| Royal Bank of Canada | 26,094 | $80.0K | 0.00% | +6,831+35.5% | Added |
| Raymond James Financial Services Advisors, Inc. | 25,447 | $77.4K | 0.00% | −1,862−6.8% | Reduced |
| Wolverine Trading, LLC | 25,160 | $76.5K | 0.00% | +5,585+28.5% | Added |
| Sargent Investment Group, LLC | 24,324 | $73.9K | 0.02% | 00.0% | Unchanged |