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Livermore
Livermore
ZHEN

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, Q2 2024

Institutional positions in bluebird bio, Inc. as of Jun 30, 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
152
−6 vs. Q1 2024
Shares held
78.5M
−24.6M (−23.8%) vs. Q1 2024
Total value
$77.2M
−$54.4M (−41.4%) vs. Q1 2024
New holders
24
37 more added
Sold out
30
50 more reduced

1 institution that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2024: 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.

Institutional holdersQ2 2024: 152 institutions
Q1 2021: 235 institutionsQ2 2021: 235 institutionsQ3 2021: 200 institutionsQ4 2021: 176 institutionsQ1 2022: 178 institutionsQ2 2022: 156 institutionsQ3 2022: 163 institutionsQ4 2022: 186 institutionsQ1 2023: 180 institutionsQ2 2023: 177 institutionsQ3 2023: 170 institutionsQ4 2023: 188 institutionsQ1 2024: 159 institutionsQ2 2024: 152 institutionsQ3 2024: 140 institutionsQ4 2024: 83 institutionsQ1 2025: 85 institutionsQ2 2025: 3 institutionsQ3 2025: 0 institutionsQ4 2025: 0 institutionsQ1 2026: 0 institutionsQ2 2026: 0 institutions
Value heldQ2 2024: $77.2M
Q1 2021: $1.58BQ2 2021: $1.70BQ3 2021: $996.6MQ4 2021: $581.9MQ1 2022: $300.5MQ2 2022: $227.9MQ3 2022: $414.9MQ4 2022: $470.5MQ1 2023: $309.5MQ2 2023: $308.6MQ3 2023: $272.7MQ4 2023: $180.2MQ1 2024: $131.6MQ2 2024: $77.2MQ3 2024: $32.9MQ4 2024: $23.8MQ1 2025: $17.1MQ2 2025: $6.89KQ3 2025: $0Q4 2025: $0Q1 2026: $0Q2 2026: $0
Institutions holding BLUE and their total value by quarter
QuarterHoldersValue
Q2 20260$0
Q1 20260$0
Q4 20250$0
Q3 20250$0
Q2 20253$6.89K
Q1 202585$17.1M
Q4 202483$23.8M
Q3 2024140$32.9M
Q2 2024152$77.2M
Q1 2024159$131.6M
Q4 2023188$180.2M
Q3 2023170$272.7M
Q2 2023177$308.6M
Q1 2023180$309.5M
Q4 2022186$470.5M
Q3 2022163$414.9M
Q2 2022156$227.9M
Q1 2022178$300.5M
Q4 2021176$581.9M
Q3 2021200$996.6M
Q2 2021235$1.70B
Q1 2021235$1.58B

Institutions, Q2 2024

Shares, value and share of portfolio for each institution holding bluebird bio, Inc.; share changes are against Q1 2024.

Institutions holding BLUE in Q2 2024
InstitutionSharesValue% of portfolioChange in sharesAction
MetLife Investment Management112,154$110.4K0.00%+11,712+11.7%Added
D. E. Shaw & Co., Inc.117,175$115.3K0.00%−564,093−82.8%Reduced
Colony Group, LLC117,900$116.0K0.00%+2,112+1.8%Added
Marex Group plc143,017$140.8K0.00%−23,327−14.0%Reduced
Integrated Wealth Concepts LLC147,546$145.2K0.00%−1,500−1.0%Reduced
Captrust Financial Advisors160,355$157.8K0.00%−157,431−49.5%Reduced
LPL Financial LLC191,557$188.5K0.00%−37,475−16.4%Reduced
Citadel Advisors LLC207,802$204.5K0.00%−1,138−0.5%Reduced
Orion Investment Co225,765$222.2K0.09%+225,765New
Balyasny Asset Management LLC227,005$223.4K0.00%+227,005New
Bridgeway Capital Management, LLC255,000$251.0K0.01%+55,000+27.5%Added
Virtu Financial LLC277,771$273.0K0.02%+277,771New
Legal & General Group Plc284,363$279.9K0.00%−54,315−16.0%Reduced
Rhumbline Advisers292,436$287.7K0.00%+59,219+25.4%Added
Alliancebernstein L.P.294,530$289.9K0.00%+125,540+74.3%Added
Birchview Capital, LP311,200$306.3K0.28%−10,000−3.1%Reduced
Simplex Trading, LLC312,625$307.0K0.01%+52,080+20.0%Added
Group One Trading, L.P.321,655$316.6K0.01%−201,004−38.5%Reduced
Jacobs Levy Equity Management, Inc332,696$327.4K0.00%+332,696New
Walleye Capital LLC334,118$328.8K0.00%−449,318−57.4%Reduced
Graham Capital Management, L.P.361,826$356.1K0.01%−3,655−1.0%Reduced
Goldman Sachs Group Inc407,458$401.0K0.00%−273,352−40.2%Reduced
Nuveen Asset Management, LLC409,857$403.4K0.00%00.0%Unchanged
Mirae Asset Global ETFs Holdings Ltd.457,420$450.2K0.00%+457,420New
Morgan Stanley516,034$507.9K0.00%−762,820−59.6%Reduced
Charles Schwab Investment Management Inc554,183$545.4K0.00%+31,725+6.1%Added
Summit X, LLC582,461$577.5K0.13%+352,688+153.5%Added
JPMorgan Chase & Co635,751$625.7K0.00%−1,297,325−67.1%Reduced
Lion Point Capital, LP678,256$667.5K2.09%−170,000−20.0%Reduced
Bank of New York Mellon Corp685,757$674.9K0.00%+111,574+19.4%Added
Dimensional Fund Advisors LP748,299$736.4K0.00%−899,247−54.6%Reduced
Renaissance Technologies LLC791,504$779.0K0.00%−1,396,196−63.8%Reduced
Two Sigma Advisers, LP846,200$832.8K0.00%−314,600−27.1%Reduced
Susquehanna International Group, LLP901,933$887.7K0.00%−431,366−32.4%Reduced
Two Sigma Investments, LP907,977$893.6K0.00%−1,866,065−67.3%Reduced
Woodline Partners LP969,336$954.0K0.01%−5,826−0.6%Reduced
Masters Capital Management LLC975,000$959.6K0.17%−25,000−2.5%Reduced
Bleichroeder LP1,037,379$1.02M0.30%00.0%Unchanged
Jane Street Group, LLC1,097,978$1.08M0.00%+293,208+36.4%Added
Deutsche Bank AG1,173,570$1.15M0.00%+443,240+60.7%Added
AQR Capital Management LLC1,334,519$1.22M0.00%+1,013,144+315.3%Added
Bank of America Corp1,280,455$1.26M0.00%−14,718−1.1%Reduced
Northern Trust Corp1,615,321$1.59M0.00%−5,909−0.4%Reduced
FMR LLC2,295,062$2.26M0.00%−85,548−3.6%Reduced
State Street Corp3,798,541$3.74M0.00%+370,406+10.8%Added
Geode Capital Management, LLC4,516,271$4.45M0.00%+198,004+4.6%Added
Palo Alto Investors LP4,633,351$4.56M0.53%+73,180+1.6%Added
Millennium Management LLC5,146,653$5.07M0.00%−1,092,888−17.5%Reduced
Ameriprise Financial Inc6,391,637$6.29M0.00%−5610.0%Reduced
Vanguard Group Inc10,301,300$10.1M0.00%−197,160−1.9%Reduced
BlackRock Inc.15,442,212$15.2M0.00%+263,650+1.7%Added
Maxi Investments CY Ltd23,137––00.0%Unchanged
Granahan Investment Management Inc0$00.00%−7,711,669−100.0%Sold out
Tang Capital Management LLC0$00.00%−2,500,000−100.0%Sold out
PFM Health Sciences, LP0$00.00%−2,042,651−100.0%Sold out
Frazier Life Sciences Management, L.P.0$00.00%−1,709,907−100.0%Sold out
Alyeska Investment Group, L.P.0$00.00%−1,255,937−100.0%Sold out
Hudson Bay Capital Management LP0$00.00%−1,180,115−100.0%Sold out
Wellington Management Group LLP0$00.00%−660,375−100.0%Sold out
Jefferies Financial Group Inc.0$00.00%−630,573−100.0%Sold out
XTX Topco Ltd0$00.00%−257,907−100.0%Sold out
Harbor Capital Advisors, Inc.0$00.00%−179,841−100.0%Sold out
Virtus ETF Advisers LLC0$00.00%−115,461−100.0%Sold out
Rafferty Asset Management, LLC0$00.00%−108,636−100.0%Sold out
American International Group, Inc.0$00.00%−94,371−100.0%Sold out
State Board of Administration of Florida Retirement System0$00.00%−27,696−100.0%Sold out
HRT Financial LP0$00.00%−63,579−100.0%Sold out
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.0$00.00%−61,357−100.0%Sold out
Bayesian Capital Management, LP0$00.00%−40,443−100.0%Sold out
Johnson Investment Counsel Inc0$00.00%−23,732−100.0%Sold out
Advisory Services Network, LLC0$00.00%−20,000−100.0%Sold out
Wolverine Trading, LLC0$00.00%−19,468−100.0%Sold out
AJOVista, LLC0$00.00%−19,202−100.0%Sold out
Capstone Investment Advisors, LLC0$00.00%−16,350−100.0%Sold out
Metropolitan Life Insurance Co0$00.00%−10,337−100.0%Sold out
Fernwood Investment Management, LLC0$00.00%−2,000−100.0%Sold out
NBC Securities, Inc.0$00.00%−500−100.0%Sold out
Farther Finance Advisors, LLC0$00.00%−790−100.0%Sold out
Barrett & Company, Inc.0$00.00%−200−100.0%Sold out
Truvestments Capital LLC0$00.00%−125−100.0%Sold out
Nelson, Van Denburg & Campbell Wealth Management Group, LLC0$00.00%−23−100.0%Sold out
Zurcher Kantonalbank (Zurich Cantonalbank)0$00.00%−3−100.0%Sold out
Cutler Group LP––––Not filed