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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, Q4 2021

Institutional positions in bluebird bio, Inc. as of Dec 31, 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
176
−22 vs. Q3 2021
Shares held
58.2M
+5.96M (+11.4%) vs. Q3 2021
Total value
$581.9M
−$414.7M (−41.6%) vs. Q3 2021
New holders
27
61 more added
Sold out
49
46 more reduced

2 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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.

Institutional holdersQ4 2021: 176 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 heldQ4 2021: $581.9M
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, Q4 2021

Shares, value and share of portfolio for each institution holding bluebird bio, Inc.; share changes are against Q3 2021.

Institutions holding BLUE in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
State Street Corp7,617,310$76.1M0.00%+3,147,374+70.4%Added
Vanguard Group Inc7,233,590$72.3M0.00%+144,386+2.0%Added
Wellington Management Group LLP6,140,000$61.3M0.01%−778,987−11.3%Reduced
BlackRock Inc.5,912,002$59.1M0.00%+142,293+2.5%Added
First Trust Advisors LP5,204,825$52.0M0.05%+2,904,800+126.3%Added
Baker Bros. Advisors LP2,499,715$25.0M0.12%00.0%Unchanged
Armistice Capital, LLC2,348,000$23.5M0.57%−124,000−5.0%Reduced
JPMorgan Chase & Co2,215,910$22.1M0.00%+283,213+14.7%Added
Credit Suisse AG2,199,297$22.0M0.02%+195,005+9.7%Added
Goldman Sachs Group Inc1,520,751$15.2M0.00%+17,219+1.1%Added
Geode Capital Management, LLC1,237,612$12.4M0.00%+71,197+6.1%Added
Sessa Capital IM, L.P.912,328$9.11M0.49%−922,637−50.3%Reduced
Northern Trust Corp719,985$7.19M0.00%+2,348+0.3%Added
Bank of America Corp694,929$6.94M0.00%+581,642+513.4%Added
Rafferty Asset Management, LLC588,528$5.88M0.03%+414,254+237.7%Added
Bain Capital Life Sciences Investors, LLC538,179$5.38M0.43%00.0%Unchanged
Millennium Management LLC531,177$5.31M0.01%+259,870+95.8%Added
Citigroup Inc507,458$5.07M0.00%+358,494+240.7%Added
Morgan Stanley487,080$4.87M0.00%+192,508+65.4%Added
Dimensional Fund Advisors LP453,869$4.54M0.00%+116,621+34.6%Added
Nuveen Asset Management, LLC451,977$4.51M0.00%−103,004−18.6%Reduced
Norges Bank413,232$4.13M0.00%−113,322−21.5%Reduced
Jacobs Levy Equity Management, Inc401,985$4.02M0.03%−1,241−0.3%Reduced
UBS Group AG395,413$3.95M0.00%+205,602+108.3%Added
Susquehanna International Group, LLP367,007$3.67M0.01%+54,985+17.6%Added
PDT Partners, LLC302,852$3.02M0.23%+131,152+76.4%Added
BNP Paribas Arbitrage, SA296,995$2.97M0.01%+198,109+200.3%Added
Bank of New York Mellon Corp269,935$2.70M0.00%−63,521−19.0%Reduced
Mirae Asset Global Investments Co., Ltd.261,511$2.61M0.01%+49,540+23.4%Added
Federated Hermes, Inc.259,998$2.60M0.00%+87,393+50.6%Added
Pictet Asset Management SA233,097$2.33M0.00%+43,553+23.0%Added
Putnam Investments LLC215,536$2.15M0.00%+215,536New
Principal Financial Group Inc207,382$2.07M0.00%−235,182−53.1%Reduced
Jane Street Group, LLC180,824$1.83M0.00%+47,394+35.5%Added
Voloridge Investment Management, LLC180,488$1.80M0.01%−457,276−71.7%Reduced
Charles Schwab Investment Management Inc177,033$1.77M0.00%+7,274+4.3%Added
Mangrove Partners170,787$1.71M0.13%−4,800−2.7%Reduced
Two Sigma Investments, LP170,693$1.71M0.00%+170,693New
Group One Trading, L.P.155,124$1.55M0.03%−11,147−6.7%Reduced
Quinn Opportunity Partners LLC150,824$1.51M0.09%−79,276−34.5%Reduced
Swiss National Bank149,107$1.49M0.00%00.0%Unchanged
Toronto Dominion Bank142,735$1.43M0.00%+142,735New
Swedbank AB135,000$1.40M0.00%00.0%Unchanged
Parametric Portfolio Associates LLC113,927$1.14M0.00%−22,318−16.4%Reduced
AlphaCrest Capital Management LLC108,149$1.08M0.04%+89,752+487.9%Added
Capital Fund Management S.A.101,213$1.01M0.03%+90,383+834.6%Added
Rhumbline Advisers97,489$974.0K0.00%−1,017−1.0%Reduced
California State Teachers Retirement System93,886$938.0K0.00%+2,257+2.5%Added
Caxton Associates LP91,820$917.0K0.12%+91,820New
Russell Investments Group, Ltd.91,374$912.0K0.00%−32,038−26.0%Reduced
State of Wisconsin Investment Board87,300$872.0K0.00%00.0%Unchanged
Assenagon Asset Management S.A.86,406$863.0K0.00%−97,788−53.1%Reduced
Birchview Capital, LP84,000$839.0K0.54%00.0%Unchanged
Barclays PLC81,986$819.0K0.00%−11,750−12.5%Reduced
Nan Fung Group Holdings Ltd78,350$783.0K0.23%+78,350New
Invesco Ltd.75,545$755.0K0.00%−8,980−10.6%Reduced
Two Sigma Advisers, LP73,400$733.0K0.00%+73,400New
Hennion & Walsh Asset Management, Inc.69,541$695.0K0.03%+33,120+90.9%Added
UBS Asset Management Americas Inc65,389$653.2K0.00%−4,307−6.2%Reduced
Alliancebernstein L.P.65,030$650.0K0.00%−19,190−22.8%Reduced
Duality Advisers, LP62,344$623.0K0.07%+10,070+19.3%Added
Wells Fargo & Company57,657$575.0K0.00%−59,429−50.8%Reduced
Legal & General Group Plc55,485$554.0K0.00%00.0%Unchanged
Corton Capital Inc.49,191$491.0K0.22%+49,191New
New York State Common Retirement Fund48,667$486.0K0.00%−153−0.3%Reduced
Voya Investment Management LLC46,804$468.0K0.00%+19,930+74.2%Added
Deutsche Bank AG46,301$462.0K0.00%−58,439−55.8%Reduced
Simplex Trading, LLC42,909$428.0K0.01%+4,294+11.1%Added
Virginia Retirement Systems Et Al42,400$424.0K0.00%−7,800−15.5%Reduced
Gabelli Funds LLC41,000$410.0K0.00%−1,233−2.9%Reduced
Virtus ETF Advisers LLC40,607$406.0K0.15%+26,971+197.8%Added
Parametrica Management Ltd40,145$401.0K0.40%+3,226+8.7%Added
Manufacturers Life Insurance Company, The36,158$361.0K0.00%+429+1.2%Added
American International Group, Inc.35,895$359.0K0.00%−1,074−2.9%Reduced
Anson Funds Management LP35,046$350.0K0.05%+35,046New
State Board of Administration of Florida Retirement System32,696$327.0K0.00%+165+0.5%Added
Martingale Asset Management L P27,913$279.0K0.00%+300+1.1%Added
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.26,363$279.0K0.00%+15,609+145.1%Added
Brighton Jones LLC27,068$270.0K0.01%−516−1.9%Reduced
Colony Group LLC25,891$259.0K0.00%−10,865−29.6%Reduced
Cresset Asset Management, LLC25,520$255.0K0.00%+8,457+49.6%Added
Blueshift Asset Management, LLC25,285$253.0K0.02%+25,285New
Ensign Peak Advisors, Inc24,910$249.0K0.00%+24,910New
ProShare Advisors LLC24,632$247.0K0.00%+1,538+6.7%Added
CWM Advisors, LLC24,639$246.0K0.03%+11,966+94.4%Added
MetLife Investment Management24,496$244.7K0.00%00.0%Unchanged
SG Americas Securities, LLC22,807$228.0K0.00%−19,119−45.6%Reduced
Fiduciary Trust Co22,282$223.0K0.00%00.0%Unchanged
D. E. Shaw & Co., Inc.21,948$219.0K0.00%+647+3.0%Added
Ergoteles LLC21,273$213.0K0.01%+21,273New
Shell Asset Management Co19,697$197.0K0.00%+165+0.8%Added
E Fund Management Co., Ltd.19,354$193.0K0.01%+19,354New
Price T Rowe Associates Inc19,180$192.0K0.00%−9,074−32.1%Reduced
Delphia (USA) Inc.19,095$191.0K0.20%+19,095New
Fiera Capital Corp18,827$188.0K0.00%00.0%Unchanged
Arizona State Retirement System18,189$182.0K0.00%−183−1.0%Reduced
Metropolitan Life Insurance Co18,070$180.5K0.00%−684−3.6%Reduced
Advisor Group Holdings, Inc.18,058$180.0K0.00%+3,543+24.4%Added
XTX Topco Ltd16,729$167.0K0.09%+16,729New
Vident Investment Advisory, LLC16,151$161.0K0.00%−26,855−62.4%Reduced