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 2021
Institutional positions in bluebird bio, Inc. as of Sep 30, 2021. 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
- 200
- −32 vs. Q2 2021
- Shares held
- 52.3M
- −599.8K (−1.1%) vs. Q2 2021
- Total value
- $996.6M
- −$694.9M (−41.1%) vs. Q2 2021
- New holders
- 27
- 64 more added
- Sold out
- 59
- 61 more reduced
3 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2021: 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 2021
Shares, value and share of portfolio for each institution holding bluebird bio, Inc.; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 7,089,204 | $135.5M | 0.00% | +128,129+1.8% | Added |
| Wellington Management Group LLP | 6,918,987 | $132.2M | 0.02% | −3,2470.0% | Reduced |
| BlackRock Inc. | 5,769,709 | $110.3M | 0.00% | −139,388−2.4% | Reduced |
| State Street Corp | 4,469,936 | $85.4M | 0.00% | +1,729,274+63.1% | Added |
| Baker Bros. Advisors LP | 2,499,715 | $47.8M | 0.21% | +2,272,727+1,001.3% | Added |
| Armistice Capital, LLC | 2,472,000 | $47.2M | 1.17% | +636,000+34.6% | Added |
| First Trust Advisors LP | 2,300,025 | $44.0M | 0.05% | +112,646+5.1% | Added |
| Credit Suisse AG | 2,004,292 | $38.3M | 0.03% | −631,349−24.0% | Reduced |
| JPMorgan Chase & Co | 1,932,697 | $36.9M | 0.00% | +303,245+18.6% | Added |
| Sessa Capital IM, L.P. | 1,834,965 | $35.1M | 2.22% | +634,965+52.9% | Added |
| Goldman Sachs Group Inc | 1,503,532 | $28.7M | 0.01% | −271,168−15.3% | Reduced |
| Geode Capital Management, LLC | 1,166,415 | $22.3M | 0.00% | −61,439−5.0% | Reduced |
| EcoR1 Capital, LLC | 802,507 | $15.3M | 0.54% | +802,507 | New |
| Northern Trust Corp | 717,637 | $13.7M | 0.00% | −17,765−2.4% | Reduced |
| Voloridge Investment Management, LLC | 637,764 | $12.2M | 0.08% | +168,560+35.9% | Added |
| Nuveen Asset Management, LLC | 554,981 | $10.6M | 0.00% | −135,495−19.6% | Reduced |
| Norges Bank | 526,554 | $10.1M | 0.00% | +26,151+5.2% | Added |
| Principal Financial Group Inc | 442,564 | $8.46M | 0.01% | +13,630+3.2% | Added |
| Jacobs Levy Equity Management, Inc | 403,226 | $7.71M | 0.05% | −407,147−50.2% | Reduced |
| Bain Capital Life Sciences Investors, LLC | 538,179 | $7.24M | 0.45% | 00.0% | Unchanged |
| Dimensional Fund Advisors LP | 337,248 | $6.45M | 0.00% | +56,739+20.2% | Added |
| Bank of New York Mellon Corp | 333,456 | $6.37M | 0.00% | +18,500+5.9% | Added |
| Susquehanna International Group, LLP | 312,022 | $5.96M | 0.01% | −43,884−12.3% | Reduced |
| Morgan Stanley | 294,572 | $5.63M | 0.00% | −390,208−57.0% | Reduced |
| Millennium Management LLC | 271,307 | $5.18M | 0.01% | −144,056−34.7% | Reduced |
| Quinn Opportunity Partners LLC | 230,100 | $4.40M | 0.28% | +15,100+7.0% | Added |
| Mirae Asset Global Investments Co., Ltd. | 211,971 | $4.05M | 0.01% | +39,245+22.7% | Added |
| UBS Group AG | 189,811 | $3.63M | 0.00% | +176,868+1,366.5% | Added |
| Pictet Asset Management SA | 189,544 | $3.62M | 0.00% | +189,544 | New |
| Assenagon Asset Management S.A. | 184,194 | $3.52M | 0.01% | +184,194 | New |
| Mangrove Partners | 175,587 | $3.35M | 0.37% | +24,414+16.1% | Added |
| Rafferty Asset Management, LLC | 174,274 | $3.33M | 0.02% | +93,739+116.4% | Added |
| Federated Hermes, Inc. | 172,605 | $3.30M | 0.01% | +172,605 | New |
| PDT Partners, LLC | 171,700 | $3.28M | 0.24% | +84,100+96.0% | Added |
| Charles Schwab Investment Management Inc | 169,759 | $3.25M | 0.00% | −281,920−62.4% | Reduced |
| Group One Trading, L.P. | 166,271 | $3.18M | 0.07% | +10,835+7.0% | Added |
| Swiss National Bank | 149,107 | $2.85M | 0.00% | +1,100+0.7% | Added |
| Citigroup Inc | 148,964 | $2.85M | 0.00% | −24,051−13.9% | Reduced |
| Parametric Portfolio Associates LLC | 136,245 | $2.60M | 0.00% | −38,559−22.1% | Reduced |
| Swedbank AB | 135,000 | $2.58M | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 133,430 | $2.55M | 0.01% | +25,869+24.1% | Added |
| Russell Investments Group, Ltd. | 123,412 | $2.36M | 0.00% | −9,305−7.0% | Reduced |
| Wells Fargo & Company | 117,086 | $2.24M | 0.00% | −79,227−40.4% | Reduced |
| Bank of America Corp | 113,287 | $2.17M | 0.00% | −69,800−38.1% | Reduced |
| Deutsche Bank AG | 104,740 | $2.00M | 0.00% | +46,910+81.1% | Added |
| BNP Paribas Arbitrage, SA | 98,886 | $1.89M | 0.00% | +22,468+29.4% | Added |
| Rhumbline Advisers | 98,506 | $1.88M | 0.00% | +858+0.9% | Added |
| Barclays PLC | 93,736 | $1.79M | 0.00% | +18,130+24.0% | Added |
| California State Teachers Retirement System | 91,629 | $1.75M | 0.00% | −1,457−1.6% | Reduced |
| State of Wisconsin Investment Board | 87,300 | $1.67M | 0.00% | 00.0% | Unchanged |
| Cubist Systematic Strategies, LLC | 85,986 | $1.64M | 0.02% | −66,788−43.7% | Reduced |
| Invesco Ltd. | 84,525 | $1.61M | 0.00% | +3,936+4.9% | Added |
| Alliancebernstein L.P. | 84,220 | $1.61M | 0.00% | 00.0% | Unchanged |
| Birchview Capital, LP | 84,000 | $1.60M | 1.09% | +10,000+13.5% | Added |
| Alps Advisors Inc | 82,831 | $1.58M | 0.02% | −5,507−6.2% | Reduced |
| ExodusPoint Capital Management, LP | 82,133 | $1.57M | 0.02% | +82,133 | New |
| Connor, Clark & Lunn Investment Management Ltd. | 75,890 | $1.45M | 0.01% | −10,243−11.9% | Reduced |
| Mirabella Financial Services LLP | 75,240 | $1.44M | 0.19% | +75,240 | New |
| UBS Asset Management Americas Inc | 69,696 | $1.33M | 0.00% | +3,298+5.0% | Added |
| Financial Advocates Investment Management | 45,234 | $1.31M | 0.09% | +40,013+766.4% | Added |
| Simplex Trading, LLC | 38,615 | $1.25M | 0.04% | +2,683+7.5% | Added |
| Legal & General Group Plc | 55,485 | $1.06M | 0.00% | +13,269+31.4% | Added |
| Guggenheim Capital LLC | 54,249 | $1.04M | 0.01% | +12,844+31.0% | Added |
| Duality Advisers, LP | 52,274 | $999.0K | 0.08% | −42,253−44.7% | Reduced |
| AQR Capital Management LLC | 53,264 | $992.0K | 0.00% | +31,315+142.7% | Added |
| Virginia Retirement Systems Et Al | 50,200 | $959.0K | 0.01% | +4,800+10.6% | Added |
| New York State Common Retirement Fund | 48,820 | $933.0K | 0.00% | −9,380−16.1% | Reduced |
| Vident Investment Advisory, LLC | 43,006 | $822.0K | 0.02% | −9,595−18.2% | Reduced |
| Gabelli Funds LLC | 42,233 | $807.0K | 0.01% | −13,000−23.5% | Reduced |
| SG Americas Securities, LLC | 41,926 | $801.0K | 0.00% | +5,464+15.0% | Added |
| Walleye Capital LLC | 38,247 | $731.0K | 0.02% | +29,755+350.4% | Added |
| Parametrica Management Ltd | 36,919 | $706.0K | 0.53% | −6,493−15.0% | Reduced |
| American International Group, Inc. | 36,969 | $706.0K | 0.00% | −878−2.3% | Reduced |
| Colony Group LLC | 36,756 | $702.0K | 0.01% | −35,247−49.0% | Reduced |
| Hennion & Walsh Asset Management, Inc. | 36,421 | $696.0K | 0.04% | +12,470+52.1% | Added |
| AGF Investments LLC | 34,528 | $660.0K | 0.07% | +34,528 | New |
| HAP Trading, LLC | 32,921 | $629.0K | 0.05% | +15,016+83.9% | Added |
| State Board of Administration of Florida Retirement System | 32,531 | $622.0K | 0.00% | 00.0% | Unchanged |
| AlphaCentric Advisors LLC | 32,000 | $612.0K | 0.16% | −1,000−3.0% | Reduced |
| EPIQ Capital Group, LLC | 28,245 | $540.0K | 0.06% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 28,254 | $540.0K | 0.00% | +59+0.2% | Added |
| Martingale Asset Management L P | 27,613 | $528.0K | 0.01% | +14,405+109.1% | Added |
| Brighton Jones LLC | 27,584 | $527.0K | 0.03% | −55−0.2% | Reduced |
| Voya Investment Management LLC | 26,874 | $514.0K | 0.00% | +258+1.0% | Added |
| DekaBank Deutsche Girozentrale | 26,730 | $513.0K | 0.00% | −2,900−9.8% | Reduced |
| Bank of Nova Scotia | 26,732 | $511.0K | 0.00% | +26,732 | New |
| MetLife Investment Management | 24,496 | $468.1K | 0.00% | 00.0% | Unchanged |
| Citadel Advisors LLC | 24,113 | $461.0K | 0.00% | −58,334−70.8% | Reduced |
| Manufacturers Life Insurance Company, The | 35,729 | $442.0K | 0.00% | −2,337−6.1% | Reduced |
| ProShare Advisors LLC | 23,094 | $441.0K | 0.00% | −8,986−28.0% | Reduced |
| Fiduciary Trust Co | 22,282 | $426.0K | 0.01% | −1,597−6.7% | Reduced |
| D. E. Shaw & Co., Inc. | 21,301 | $407.0K | 0.00% | +21,301 | New |
| Shell Asset Management Co | 19,532 | $373.0K | 0.01% | −840−4.1% | Reduced |
| Appleton Group, LLC | 19,495 | $373.0K | 0.32% | +8,169+72.1% | Added |
| Metropolitan Life Insurance Co | 18,754 | $358.4K | 0.01% | 00.0% | Unchanged |
| AlphaCrest Capital Management LLC | 18,397 | $352.0K | 0.02% | +18,397 | New |
| Arizona State Retirement System | 18,372 | $351.0K | 0.00% | +121+0.7% | Added |
| Captrust Financial Advisors | 18,266 | $349.0K | 0.00% | −5,584−23.4% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 17,900 | $342.0K | 0.00% | +17,900 | New |
| U.S. Capital Wealth Advisors, LLC | 17,620 | $337.0K | 0.01% | +17,620 | New |