Bluebird bio Inc (BLUE) Ownership

7.25 ↑0.13 (1.83%)
As of December 31, 1969, 7:00pm EST.

Institutional Ownership

BlackRock Inc is the biggest individual institutional holder of Bluebird bio Inc (BLUE), owning a total of 15.4 million shares. Combined, the top 59 institutional holders of BLUE own 73.75% of the company with a total of 128.5 million shares.

In the latest ownership report on September 30th 2024, the top 59 institutional holders decreased their combined ownership of BLUE by 3.5 million shares. 11 institutions bought 5,194,817 total additional shares and increased their ownership by an average of 26.27%. However 8 institutions sold 8,671,128 total shares and decreased their ownership by an average of 31.64%.

Overall this is a negative sign as the number of shares owned by the top 20 institutional holders of Bluebird bio decreased by a net total of -3,476,311 in the latest quarter.

Institution Ownership Chart

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Latest Institutional Ownership Changes

OwnerPercent OwnedPercent ChangeShares OwnedShare ChangeDate Reported
BlackRock Inc7.943%0.010%15,443,7671,5552024-09-30
Vanguard Group Inc5.387%1.677%10,474,007172,7072024-09-30
Geode Capital Management, LLC2.408%3.693%4,683,042166,7712024-09-30
State Street Corp1.976%1.142%3,841,92343,3822024-09-30
FMR Inc1.276%8.144%2,481,965186,9032024-09-30
Avidity Partners Management LP0.839%0.000%1,631,1431,631,1432024-09-30
Millennium Management LLC0.827%-68.741%1,608,793-3,537,8602024-09-30
Lion Point Capital, LP0.812%132.693%1,578,256900,0002024-09-30
Northern Trust Corp0.790%-4.920%1,535,856-79,4652024-09-30
Bank of America Corp0.726%10.253%1,411,743131,2882024-09-30
ExodusPoint Capital Management, LP0.667%0.000%1,296,6681,296,6682024-09-30
JPMorgan Chase & Co0.640%-2.186%1,243,712-27,7902024-09-30
Renaissance Technologies Corp0.544%33.691%1,058,172266,6682024-09-30
Masters Capital Management LLC0.501%0.000%975,00002024-09-30
Morgan Stanley - Brokerage Accounts0.498%-6.117%968,942-63,1262024-09-30
Goldman Sachs Group Inc0.414%97.613%805,190397,7322024-09-30
Two Sigma Advisers, LLC0.367%-15.729%713,100-133,1002024-09-30
AQR Capital Management LLC0.349%-49.177%678,248-656,2712024-09-30
Palo Alto Investors, LLC0.311%-86.959%604,260-4,029,0912024-09-30
Dimensional Fund Advisors, Inc.0.311%-19.300%603,874-144,4252024-09-30

Top Institutions

OwnerPercent OwnedPercent ChangeShares OwnedShare ChangeDate Reported
BlackRock Inc7.943%0.010%15,443,7671,5552024-09-30
Vanguard Group Inc5.387%1.677%10,474,007172,7072024-09-30
Granahan Investment Management Inc..4.001%-4.531%7,711,669-366,0282024-03-31
Ameriprise Financial Inc3.296%-0.009%6,391,637-5612024-06-30
Pictet Asset Manangement SA2.951%10.486%5,687,334539,7812023-12-31
Geode Capital Management, LLC2.408%3.693%4,683,042166,7712024-09-30
NORGES BANK2.073%10,586.000%3,995,6003,958,2092023-12-31
State Street Corp1.976%1.142%3,841,92343,3822024-09-30
State Street Corporation1.779%-75.276%3,428,135-10,437,5842024-03-31
Ghisallo Capital Management LLC1.634%0.000%3,150,0003,150,0002023-12-31
TANG CAPITAL MANAGEMENT LLC1.297%-41.627%2,500,000-1,782,8272024-03-31
Baker Bros Advisors LP1.297%0.000%2,499,71502023-09-30
FMR Inc1.276%8.144%2,481,965186,9032024-09-30
Hudson Bay Capital Management LP1.133%233.349%2,183,4371,528,4372023-12-31
Deerfield Management Co2.043%0.000%2,175,0002,175,0002023-03-31
Vestal Point Capital LP1.116%0.000%2,150,0002,150,0002023-12-31
Partner Fund Management LP1.060%-66.187%2,042,651-3,998,2832024-03-31
Farallon Capital Management, L.L.C.1.038%0.000%2,000,0002,000,0002023-12-31
Jacobs Levy Equity Management, Inc.0.956%-11.924%1,841,584-249,3262023-09-30
Credit Suisse First Boston (CSFB)0.926%-3.625%1,784,680-67,1282023-09-30
Avidity Partners Management LP0.839%0.000%1,631,1431,631,1432024-09-30
Millennium Management LLC0.827%-68.741%1,608,793-3,537,8602024-09-30
Lion Point Capital, LP0.812%132.693%1,578,256900,0002024-09-30
Northern Trust Corp0.790%-4.920%1,535,856-79,4652024-09-30
Rafferty Asset Management, LLC0.774%-18.833%1,491,411-346,0512023-09-30
Balyasny Asset Management LLC1.362%53.042%1,450,239502,6322023-03-31
Bank of America Corp0.726%10.253%1,411,743131,2882024-09-30
Marshall Wace Asset Management Ltd1.303%131.264%1,340,806761,0332022-09-30
Citigroup Inc1.240%173.079%1,319,168836,0972023-03-31
Contrarius Investment Management Ltd0.679%0.000%1,308,0021,308,0022023-09-30
ExodusPoint Capital Management, LP0.667%0.000%1,296,6681,296,6682024-09-30
Alyeska Investment Group, L.P.0.652%0.000%1,255,9371,255,9372024-03-31
JPMorgan Chase & Co0.640%-2.186%1,243,712-27,7902024-09-30
Deutsche Bank AG0.604%60.690%1,173,570443,2402024-06-30
Federated Hermes Inc1.396%26.235%1,157,322240,5192022-06-30
Jane Street Group LLC0.565%221.636%1,097,978756,6052024-06-30
JANE STREET GROUP, LLC0.567%221.636%1,097,978756,6052024-06-30
Nuveen Asset Management, LLC1.019%-3.187%1,084,350-35,6942022-12-31
Renaissance Technologies Corp0.544%33.691%1,058,172266,6682024-09-30
VOLORIDGE INVESTMENT MANAGEMENT, LLC0.989%-15.194%1,052,249-188,5242023-03-31
Bleichroeder LP0.535%0.000%1,037,37902024-06-30
Masters Capital Management LLC0.501%0.000%975,00002024-09-30
Woodline Partners LP0.500%-0.597%969,336-5,8262024-06-30
Morgan Stanley - Brokerage Accounts0.498%-6.117%968,942-63,1262024-09-30
Squarepoint Ops LLC0.887%110.647%943,444495,5662022-12-31
Two Sigma Investments LLC0.468%-67.269%907,977-1,866,0652024-06-30
Susquehanna International Group, LLP0.465%-32.353%901,933-431,3662024-06-30
Point72 Asset Management, L.P.0.832%-26.686%885,700-322,3892023-03-31
Walleye Trading Advisors, LLC0.782%0.000%836,760836,7602023-06-30
Ikarian Capital, LLC0.764%75.655%812,628350,0002022-12-31
Amvescap Plc.0.762%-46.609%810,835-707,8442022-12-31
Goldman Sachs Group Inc0.414%97.613%805,190397,7322024-09-30
HRT FINANCIAL LLC0.963%0.000%798,048798,0482022-06-30
Group One Trading, LP0.744%394.620%795,953635,0312023-06-30
Citadel Advisors Llc0.716%78.204%782,375343,3412023-09-30
Two Sigma Advisers, LLC0.367%-15.729%713,100-133,1002024-09-30
AQR Capital Management LLC0.349%-49.177%678,248-656,2712024-09-30
Palo Alto Investors, LLC0.311%-86.959%604,260-4,029,0912024-09-30
Dimensional Fund Advisors, Inc.0.311%-19.300%603,874-144,4252024-09-30

Mutual Fund Ownership

SPDR® S&P Biotech ETF is the biggest individual fund holder of Bluebird bio Inc (BLUE), owning a total of 12.3 million shares. Combined, the top 73 mutual fund holders of BLUE own 49.78% of the company with a total of 62.4 million shares.

In the latest ownership report on January 31st 2025, the top 73 fund holders increased their combined ownership of BLUE by 2 thousand shares. 2 funds bought 225 total additional shares and increased their ownership by an average of 0.14%. However 2 funds sold 2,001 total shares and decreased their ownership by an average of 0.37%.

Overall this is a negative sign as the number of shares owned by the top 20 mutual funds holding Bluebird bio decreased by a net total of -1,776 in the latest report.

Mutual Funds Chart

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Latest Mutual Fund Ownership Changes

OwnerPercent OwnedPercent ChangeShares OwnedShare ChangeDate Reported
iShares Russell 2000 ETF2.738%-0.746%266,179-2,0002025-01-31
iShares Russell 2000 Value ETF0.924%0.136%89,8551222025-01-31
Fidelity Enhanced Small Cap ETF0.727%0.146%70,6661032025-01-31
State St Russell Sm Cap® Indx SL Cl I0.434%-0.002%42,224-12025-01-31

Top Mutual Funds

OwnerPercent OwnedPercent ChangeShares OwnedShare ChangeDate Reported
SPDR® S&P Biotech ETF6.361%1.904%12,261,062229,0802024-02-29
Columbia Acorn Inst2.768%0.000%5,365,98302024-07-31
Vanguard Instl Ttl Stck Mkt Idx Tr3.010%20.953%3,221,729558,0992023-03-31
Pictet Biopharmaceutical Mother1.366%67.090%2,632,2001,056,8792023-10-13
Fidelity Select Pharmaceuticals Port1.145%0.000%2,226,00002024-09-30
M&G (ACS) Granahan US Sm Cp Gr GBPZ1AAcc0.932%4.998%1,808,16586,0722024-01-31
JNL Multi-Manager Small Cap Growth A0.927%-15.164%1,787,512-319,4982024-03-31
Fidelity Small Cap Index0.900%-10.279%1,749,373-200,4212024-11-30
CS (Lux) Digital Health Equity SB USD0.778%0.000%1,500,00002023-11-30
Vanguard Extended Market Index Investor1.385%-0.022%1,481,097-3192023-08-31
iShares Biotechnology ETF0.647%0.000%1,258,67002024-11-30
Granahan US SMID Select I GBP Acc0.629%0.638%1,212,6167,6842024-02-29
Direxion Daily S&P Biotech Bull 3X ETF0.582%0.000%1,121,85902024-02-29
Contrarius Global Equity Investor0.570%-7.503%1,098,339-89,0912023-12-31
Fidelity® Small Cap Index0.532%2.050%1,025,65820,6082023-10-31
Victory Small Cap Stock0.528%8.970%1,018,23683,8142024-03-31
Wanger Acorn0.525%0.000%1,017,47102024-07-31
Granahan Inv Mgt Sm-Cap Core Gr0.528%8.884%1,017,44083,0182024-03-31
Granahan SMID Select0.521%-16.249%1,003,239-194,6482024-03-31
Multi-Manager Small Cap Eq Strat Inst0.455%0.000%883,02202024-08-31
DWS Global Small Cap S0.411%0.000%796,49102024-07-31
TIAA-CREF Quant Small-Cap Equity Instl0.658%-9.612%699,840-74,4202023-01-31
Fidelity® Extended Market Index0.330%0.000%635,50102023-11-30
Dimensional US Targeted Value ETF0.304%0.000%586,70102023-12-29
Federated Hermes MDT SCC Institutional0.688%-46.680%570,481-499,4332022-09-30
Federated Hermes MDT Small Cap Core IS0.688%-46.680%570,481-499,4332022-09-30
DFA US Small Cap I0.530%0.000%563,44102023-04-30
DFA US Micro Cap I0.494%-1.240%525,464-6,5972023-03-31
LVIP FranklinTempletonMltFctSMIDCapEqStd0.464%1.895%493,7659,1832023-03-31
LVIP SSgA Small/Mid Cap 200 Std0.456%-0.104%484,582-5022022-12-31
Schwab Small Cap Index0.239%0.000%464,71102024-11-30
JPM Thematics Genetic Thrps C2 Acc USD0.237%-6.775%461,180-33,5132024-11-30
JPM Thematics Genetic Thrps C2 dist USD0.237%-6.775%461,180-33,5132024-11-30
JPMorgan Small Cap Value I0.238%0.000%459,20302024-03-31
Granahan SC Advantage0.236%0.000%457,02802024-03-31
BlackRock Extended Equity Market K0.231%-0.043%449,019-1912024-09-30
iShares Micro-Cap ETF0.225%0.000%437,44602024-11-30
Global X Genomics & Biotechnology ETF0.404%0.000%430,27302023-06-30
NVIT Multi-Manager Small Company I0.203%16.241%392,93454,9002024-08-31
Galileo - Biotech Innovation Fund S USD0.200%0.000%389,27302024-07-31
State St Russell Sm Cap® Indx NL Cl C0.366%-3.809%388,916-15,4002023-06-30
Fidelity Total Market Index0.200%0.000%388,09002024-11-30
Northern Trust Russell 2000 Value Index0.197%0.000%383,21802024-09-30
NT R2000 Value Index Fund - L0.197%0.000%383,21802024-09-30
L&G Pharma Breakthrough ETF0.356%0.000%378,99302023-05-31
Invesco DWA Healthcare Momentum ETF0.353%0.000%375,27302023-03-31
iShares Russell 2000 Small-Cap Idx Instl0.191%0.000%371,88302024-11-30
SPDR® Russell 2000 US Small Cap ETF0.182%26.337%354,74973,9542024-11-30
NT R2000 Index Fund - DC - NL - 20.181%-0.593%352,522-2,1042024-09-30
DFA US Core Equity 2 I0.306%0.000%325,47302023-05-31
BlackRock Advantage Small Cap Core Instl0.303%-2.988%311,466-9,5932022-12-31
Vanguard Total Stock Mkt Idx Inv3.015%0.000%293,122-12024-12-31
iShares Russell 2000 ETF2.738%-0.746%266,179-2,0002025-01-31
Fidelity Series Total Market Index0.132%0.000%257,12102024-11-30
Nuveen Small Cap Blend Idx R60.129%0.000%251,27102024-11-30
EQ/2000 Managed Volatility IB0.129%0.000%250,40302024-11-30
Fidelity Nasdaq Composite Index0.108%-1.774%209,312-3,7802024-11-30
AQR Small Cap Multi-Style I0.105%104.520%205,021104,7762024-09-30
Northern Trust Extended Eq Market Idx0.103%0.000%200,99002024-09-30
Bridgeway Ultra-Small Company Market0.103%-21.569%200,000-55,0002024-09-30
Russell Personalized DI All Cap SMA0.098%0.234%189,7934432024-09-30
Fidelity Small Cap Value Index0.096%0.000%187,52202024-11-30
EQ/Small Company Index IB0.089%0.000%172,80002024-11-30
ACATIS Datini Valueflex Fonds A1.697%0.874%165,0001,4292024-12-31
Vanguard Institutional Extnd Mkt Idx Tr1.641%-0.001%159,569-12024-12-31
iShares Russell 2000 Value ETF0.924%0.136%89,8551222025-01-31
Fidelity Enhanced Small Cap ETF0.727%0.146%70,6661032025-01-31
State St Russell Sm/Mid Cp® Indx NL Cl C0.584%-3.256%56,774-1,9112024-12-31
Fidelity Extended Market Index0.551%-0.800%53,556-4322024-12-31
Vanguard Russell 2000 ETF0.469%1.643%45,6047372024-12-31
State St Russell Sm Cap® Indx SL Cl I0.434%-0.002%42,224-12025-01-31
NT R2000 Value Index Fund - NL0.260%13.350%25,2422,9732024-12-31
NT R2000 Index Fund - NL0.257%13.438%24,9712,9582024-12-31

Discussions

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easymoneyFAM

$BLUE Bears always win...
Bulls have to be forever bagholders....

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dandanaiwo

$BLUE Looking for this cup to breakout.

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haltdaytrader

$BLUE like if you’re buying Monday!! Let’s Go!!

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