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.
Q3 2023 vs. Q2 2023
How the institutions holding bluebird bio, Inc. changed between Q2 2023 and Q3 2023.
All holders in Q3 2023All holders in Q2 2023
| Measure | Q2 2023 | Of which not filed for Q3 2023 | Q3 2023 | Change |
|---|---|---|---|---|
| Holders | 177 | 1 | 170 | −6 |
| Shares | 93.8M | 4.67M | 89.7M | +598.9K (+0.7%) |
| Value | $308.6M | $15.4M | $272.7M | −$20.5M (−7.0%) |
1 institution that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so the changes leave them out.
New holders (15)
Institutions that held bluebird bio, Inc. at the end of Q3 2023 but not at the end of Q2 2023.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Pictet Asset Management Holding SA | 5,147,553 | $15.6M | 0.02% |
| Contrarius Investment Management Ltd | 1,308,002 | $3.98M | 0.22% |
| Bleichroeder LP | 900,000 | $2.74M | 0.67% |
| Millennium Management LLC | 322,187 | $979.4K | 0.00% |
| Verition Fund Management LLC | 53,652 | $163.1K | 0.00% |
| Engineers Gate Manager LP | 49,685 | $151.0K | 0.01% |
| Y-Intercept (Hong Kong) Ltd | 48,761 | $148.2K | 0.01% |
| Connacht Asset Management LP | 31,634 | $96.2K | 0.57% |
| Capstone Investment Advisors, LLC | 15,000 | $45.6K | 0.00% |
| Johnson Investment Counsel Inc | 13,209 | $40.2K | 0.00% |
| State of Wisconsin Investment Board | 12,972 | $39.4K | 0.00% |
| Aigen Investment Management, LP | 11,305 | $34.4K | 0.01% |
| Stifel Financial Corp | 10,376 | $31.5K | 0.00% |
| Clear Street Markets LLC | 3,685 | $11.0K | 0.01% |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 200 | $608 | 0.00% |
Sold out (21)
Institutions that held bluebird bio, Inc. at the end of Q2 2023 and filed for Q3 2023 without it.
| Institution | Shares, Q2 2023 | Value, Q2 2023 |
|---|---|---|
| Walleye Capital LLC | 836,760 | $2.75M |
| Ikarian Capital, LLC | 412,628 | $1.36M |
| Cubist Systematic Strategies, LLC | 373,488 | $1.23M |
| Healthcare of Ontario Pension Plan Trust Fund | 353,000 | $1.16M |
| Two Sigma Investments, LP | 168,593 | $554.7K |
| Ghisallo Capital Management LLC | 100,000 | $329.0K |
| Los Angeles Capital Management LLC | 97,148 | $319.6K |
| Graham Capital Management, L.P. | 95,052 | $312.7K |
| Boothbay Fund Management, LLC | 72,427 | $238.3K |
| Dynamic Technology Lab Private Ltd | 34,654 | $114.0K |
| D. E. Shaw & Co., Inc. | 32,960 | $108.4K |
| Cerity Partners LLC | 29,623 | $97.5K |
| Walleye Trading LLC | 22,585 | $74.3K |
| Marshall Wace, LLP | 19,700 | $64.8K |
| Prudential Financial Inc | 19,600 | $64.5K |
| Raymond James & Associates | 14,117 | $46.4K |
| Financial Advocates Investment Management | 11,450 | $39.3K |
| Harbor Capital Advisors, Inc. | 3,787 | $12.5K |
| Impact Partnership Wealth, LLC | 167 | $549 |
| Huntington National Bank | 124 | $408 |
| Adirondack Retirement Specialists, Inc. | 100 | $329 |
Not filed for Q3 2023 yet (1)
Institutions that held bluebird bio, Inc. at the end of Q2 2023 and haven't filed a 13F for Q3 2023. Not filing isn't selling, so they aren't counted as sold out.
| Institution | Shares, Q2 2023 | Value, Q2 2023 |
|---|---|---|
| Pictet Asset Management SA | 4,666,813 | $15.4M |