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.
Q1 2025 vs. Q4 2024
How the institutions holding bluebird bio, Inc. changed between Q4 2024 and Q1 2025.
All holders in Q1 2025All holders in Q4 2024
| Measure | Q4 2024 | Of which not filed for Q1 2025 | Q1 2025 | Change |
|---|---|---|---|---|
| Holders | 83 | 2 | 85 | +4 |
| Shares | 2.85M | 12.7K | 3.50M | +659.2K (+23.2%) |
| Value | $23.8M | $106.1K | $17.1M | −$6.60M (−27.8%) |
2 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so the changes leave them out.
New holders (22)
Institutions that held bluebird bio, Inc. at the end of Q1 2025 but not at the end of Q4 2024.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Tang Capital Management LLC | 400,000 | $1.95M | 0.11% |
| Credit Industriel Et Commercial | 150,000 | $732.0K | 0.13% |
| Groupe la Francaise | 135,000 | $679.0K | 0.01% |
| Equitec Proprietary Markets, LLC | 110,714 | $540.3K | 1.55% |
| Quinn Opportunity Partners LLC | 81,429 | $397.4K | 0.03% |
| Black Maple Capital Management LP | 60,197 | $293.8K | 0.23% |
| Susquehanna International Group, LLP | 56,588 | $276.1K | 0.00% |
| Simplex Trading, LLC | 53,134 | $259.0K | 0.01% |
| Murchinson Ltd. | 52,000 | $253.8K | 0.04% |
| CSS LLC | 30,772 | $150.2K | 0.01% |
| Group One Trading, L.P. | 21,693 | $105.9K | 0.00% |
| Picton Mahoney Asset Management | 3,220 | $16.0K | 0.00% |
| Optiver Holding B.V. | 117 | $571 | 0.00% |
| Russell Investments Group, Ltd. | 108 | $527 | 0.00% |
| CoreCap Advisors, LLC | 90 | $439 | 0.00% |
| Parkside Financial Bank & Trust | 85 | $415 | 0.00% |
| Toth Financial Advisory Corp | 10 | $49 | 0.00% |
| South State Corp. | 2 | $10 | 0.00% |
| 1620 Investment Advisors, Inc. | 2 | $10 | 0.00% |
| Clean Yield Group | 1 | $5 | 0.00% |
| FNY Investment Advisers, LLC | 100 | $0 | 0.00% |
| TSFG, LLC | 1 | $0 | 0.00% |
Sold out (18)
Institutions that held bluebird bio, Inc. at the end of Q4 2024 and filed for Q1 2025 without it.
| Institution | Shares, Q4 2024 | Value, Q4 2024 |
|---|---|---|
| Avidity Partners Management LP | 81,555 | $680.2K |
| PFM Health Sciences, LP | 75,758 | $631.8K |
| Masters Capital Management LLC | 48,750 | $406.6K |
| Jane Street Group, LLC | 40,288 | $336.0K |
| Millennium Management LLC | 19,674 | $164.1K |
| Marex Group plc | 17,150 | $143.0K |
| IFP Advisors, Inc | 10,750 | $96.3K |
| Dimensional Fund Advisors LP | 10,906 | $91.0K |
| Leonteq Securities AG | 999 | $8.33K |
| Geneos Wealth Management Inc. | 176 | $1.47K |
| Bell Investment Advisors, Inc | 33 | $276 |
| EverSource Wealth Advisors, LLC | 27 | $225 |
| MAI Capital Management | 15 | $126 |
| Danske Bank A/S | 10 | $83 |
| Main Street Group, LTD | 5 | $42 |
| Fairfield Financial Advisors, LTD | 3 | $25 |
| Lazard Asset Management LLC | 17 | $0 |
| Daiwa Securities Group Inc. | 16 | $0 |
Not filed for Q1 2025 yet (2)
Institutions that held bluebird bio, Inc. at the end of Q4 2024 and haven't filed a 13F for Q1 2025. Not filing isn't selling, so they aren't counted as sold out.
| Institution | Shares, Q4 2024 | Value, Q4 2024 |
|---|---|---|
| Nuveen Asset Management, LLC | 12,721 | $106.1K |
| Global Retirement Partners, LLC | 2 | $19 |