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bluebird bio (BLUE) Institutional Ownership

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$4.97 0.00 (0.00%)
As of 06/2/2025
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Institutional Ownership Changes (13F Filings) for bluebird bio (NASDAQ:BLUE)

Current
Institutional Ownership
Percentage
87.43%
Number of
Institutional Buyers
(last 12 months)
16
Total
Institutional Inflows
(last 12 months)
$39.00M
Number of
Institutional Sellers
(last 12 months)
29
Total
Institutional Outflows
(last 12 months)
$214.53M
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BLUE Institutional Buying and Selling by Quarter

bluebird bio Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
6/27/2025Goldman Sachs Group Inc.64,950$317K0.0%+4.7%0.663%
5/16/2025Goldman Sachs Group Inc.64,950$317K0.0%+4.7%0.663%
5/16/2025Murchinson Ltd.52,000$254K0.0%N/A0.531%
5/16/2025AQR Capital Management LLC22,098$108K0.0%-17.6%0.226%
5/14/2025Groupe la Francaise135,000$679K0.0%N/A1.379%
5/9/2025Charles Schwab Investment Management Inc.23,235$113K0.0%-16.0%0.237%
5/2/2025Summit X LLC25,045$122K0.0%-33.5%0.256%
4/29/2025Bank of New York Mellon Corp32,759$160K0.0%+12.7%0.335%
2/17/2025Two Sigma Investments LP19,382$162K0.0%-95.7%0.199%
2/17/2025Nuveen Asset Management LLC12,721$106K0.0%-96.9%0.131%
2/17/2025Millennium Management LLC19,674$164K0.0%-98.8%0.202%
2/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.5,628$47K0.0%-98.6%0.058%
2/17/2025Lion Point Capital LP78,912$658K3.4%-95.0%0.812%
2/17/2025Deutsche Bank AG20,063$167K0.0%-78.2%0.206%
2/17/2025Bank of America Corp DE53,548$447K0.0%-96.2%0.551%
2/17/2025BNP Paribas Financial Markets4,545$38K0.0%-98.8%0.047%
2/14/2025Jane Street Group LLC40,288$336K0.0%-84.5%0.414%
2/14/2025Northern Trust Corp81,700$681K0.0%-94.7%0.841%
2/14/2025Tower Research Capital LLC TRC3,077$26K0.0%-79.6%0.032%
2/14/2025Dimensional Fund Advisors LP10,906$91K0.0%-98.2%0.112%
2/13/2025Barclays PLC14,703$123K0.0%-94.2%0.151%
2/13/2025Wells Fargo & Company MN6,261$52K0.0%-93.8%0.064%
2/12/2025Geode Capital Management LLC233,514$1.95M0.0%-95.0%2.402%
2/12/2025Alliancebernstein L.P.14,723$123K0.0%-95.0%0.151%
2/12/2025JPMorgan Chase & Co.50,726$423K0.0%-91.8%0.522%
2/11/2025Corebridge Financial Inc.4,853$40K0.0%-95.3%0.050%
2/7/2025Summit X LLC37,644$314K0.1%-93.4%0.387%
2/7/2025Regeneron Pharmaceuticals Inc.21,000$175K0.0%N/A0.216%
2/6/2025Charles Schwab Investment Management Inc.27,652$231K0.0%-95.0%0.284%
2/4/2025Bank of New York Mellon Corp29,073$242K0.0%-95.0%0.299%
1/30/2025Rhumbline Advisers14,176$118K0.0%-94.8%0.146%
12/26/2024JPMorgan Chase & Co.621,856$323K0.0%-2.2%6.396%
11/19/2024Barclays PLC252,062$130K0.0%+273.7%2.593%
11/16/2024Geode Capital Management LLC4,683,042$2.43M0.0%+3.7%2.415%
11/15/2024Barclays PLC252,062$130K0.0%+273.7%0.130%
11/15/2024Jane Street Group LLC259,219$135K0.0%-76.6%0.134%
11/15/2024State Street Corp3,841,923$2.00M0.0%+1.1%1.981%
11/14/2024Verition Fund Management LLC81,127$42K0.0%N/A0.042%
11/14/2024Captrust Financial Advisors237,648$123K0.0%+48.2%0.123%
11/13/2024BNP Paribas Financial Markets371,224$193K0.0%+2,270.2%0.191%
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11/13/2024FMR LLC2,481,965$1.29M0.0%+8.1%1.280%
10/3/2024SG Americas Securities LLC122,855$64K0.0%+152.4%0.112%
8/15/2024Lion Point Capital LP678,256$668K1.2%-20.0%0.620%
8/15/2024The Manufacturers Life Insurance Company29,811$29K0.0%-50.6%0.027%
8/15/2024Millennium Management LLC5,146,653$5.07M0.0%-17.5%4.707%
8/15/2024AQR Capital Management LLC1,334,519$1.22M0.0%+315.3%1.221%
8/14/2024Masters Capital Management LLC975,000$960K0.1%-2.5%0.892%
8/14/2024ProShare Advisors LLC37,399$37K0.0%-21.7%0.034%
8/9/2024Renaissance Technologies LLC791,504$779K0.0%-63.8%0.724%
8/9/2024Dimensional Fund Advisors LP748,299$736K0.0%-54.6%0.684%
8/2/2024Allegheny Financial Group LTD25,000$25K0.0%N/A0.023%
8/1/2024Rhumbline Advisers292,436$288K0.0%+25.4%0.267%
7/29/2024Principal Financial Group Inc.28,583$28K0.0%-26.8%0.026%
7/26/2024Bank of New York Mellon Corp685,757$675K0.0%+19.4%0.627%
7/12/2024SG Americas Securities LLC48,670$48K0.0%-39.2%0.045%
5/16/2024Bayesian Capital Management LP40,443$52K0.0%N/A0.037%
5/15/2024Price T Rowe Associates Inc. MD54,714$71K0.0%+113.7%0.050%
5/14/2024American International Group Inc.94,371$121K0.0%+77.4%0.086%
5/10/2024Vanguard Group Inc.10,498,460$13.44M0.0%+19.6%9.602%
5/7/2024SG Americas Securities LLC80,032$102K0.0%+458.8%0.073%
5/1/2024BNP Paribas Financial Markets102,100$131K0.0%-80.6%0.093%
5/1/2024Mirae Asset Global Investments Co. Ltd.325,111$416K0.0%+38.4%0.297%
5/1/2024Sequoia Financial Advisors LLC40,085$51K0.0%+48.0%0.037%
4/29/2024China Universal Asset Management Co. Ltd.36,580$47K0.0%+189.2%0.033%
4/10/2024 Enterprise Bank & Trust Co30,000$38K0.0%N/A0.027%
3/14/2024HBK Investments L P1,500,000$2.07M0.0%N/A1.372%
2/26/2024Virtu Financial LLC229,542$317K0.0%N/A0.210%
2/15/2024PFM Health Sciences LP2,042,651$2.82M0.2%-66.2%1.868%
2/15/2024Birchview Capital LP321,200$443K0.4%-29.4%0.294%
2/14/2024Masters Capital Management LLC1,000,000$1.38M0.1%N/A0.915%
2/14/2024Pennant Investors LP87,400$121K0.0%N/A0.080%
2/14/2024Ghisallo Capital Management LLC3,150,000$4.35M0.4%N/A2.881%
2/14/2024Vestal Point Capital LP2,150,000$2.97M0.3%N/A1.966%
2/13/2024Tower Research Capital LLC TRC44,844$62K0.0%+108.9%0.041%
2/13/2024Rafferty Asset Management LLC1,425,873$1.97M0.0%-4.4%1.304%
2/12/2024Monashee Investment Management LLC500,000$690K0.1%N/A0.457%
2/12/2024Weiss Asset Management LP750,000$1.04M0.1%N/A0.686%
2/12/2024Contrarius Investment Management Ltd1,206,506$1.67M0.1%-7.8%1.103%
2/9/2024Dynamic Technology Lab Private Ltd26,760$37K0.0%N/A0.024%
2/8/2024Summit X LLC178,952$247K0.1%+10.2%0.164%
2/8/2024Panagora Asset Management Inc.113,362$156K0.0%-67.9%0.104%
2/8/2024Mitsubishi UFJ Asset Management Co. Ltd.64,167$88K0.0%-17.7%0.059%
2/7/2024Johnson Investment Counsel Inc.27,889$38K0.0%+111.1%0.026%
2/7/2024BNP Paribas Financial Markets524,963$724K0.0%+144.7%0.480%
2/7/2024Monaco Asset Management SAM150,000$207K0.1%N/A0.137%
2/5/2024Russell Investments Group Ltd.84,601$117K0.0%-14.2%0.077%
2/1/2024New York State Common Retirement Fund190,685$263K0.0%+67.0%0.174%
1/26/2024Cerity Partners LLC59,623$82K0.0%N/A0.055%
1/26/2024Sequoia Financial Advisors LLC27,085$37K0.0%N/A0.025%
1/24/2024Mirae Asset Global Investments Co. Ltd.234,972$324K0.0%-58.8%0.215%
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12/18/2023Vanguard Group Inc.5,617,460$17.08M0.0%+0.8%5.138%
12/7/2023Hudson Bay Capital Management LP327,500$996K0.0%+9.2%0.300%
12/1/2023Wellington Management Group LLP582,168$1.77M0.0%+4.8%0.532%
11/17/2023Jacobs Levy Equity Management Inc.1,841,584$5.60M0.0%-11.9%1.684%
11/14/2023Caxton Associates LP152,389$463K0.1%+187.9%0.139%
11/14/2023Profund Advisors LLC216,366$658K0.0%-26.6%0.198%
11/13/2023Aigen Investment Management LP11,305$34K0.0%N/A0.010%
11/13/2023Rafferty Asset Management LLC1,491,411$4.53M0.0%-18.8%1.364%
11/13/2023Johnson Investment Counsel Inc.13,209$40K0.0%N/A0.012%
11/13/2023E Fund Management Co. Ltd.66,978$204K0.0%-24.4%0.061%
(Data available from 1/1/2016 forward)

BLUE Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of BLUE shares?

During the previous two years, 90 institutional investors and hedge funds held shares of bluebird bio. The most heavily invested institutionals were Granahan Investment Management LLC ($15.98M), Vanguard Group Inc. ($13.44M), Jacobs Levy Equity Management Inc. ($5.60M), Ghisallo Capital Management LLC ($4.35M), Vestal Point Capital LP ($2.97M), PFM Health Sciences LP ($2.82M), and Bleichroeder LP ($2.74M).Learn more on bluebird bio's institutional investors.

What percentage of bluebird bio's stock is owned by institutional investors?

87.43% of bluebird bio's stock is owned by institutional investors. Learn more on BLUE's institutional investor holdings.

Which institutional investors have been buying bluebird bio's stock?

Of the 56 institutional investors that purchased bluebird bio's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Granahan Investment Management LLC ($3.41M), Ghisallo Capital Management LLC ($3.15M), Vestal Point Capital LP ($2.15M), Vanguard Group Inc. ($1.77M), HBK Investments L P ($1.50M), AQR Capital Management LLC ($1.01M), and Masters Capital Management LLC ($1M).

How much institutional buying is happening at bluebird bio?

Institutional investors have bought a total of 2,780,920 shares in the last 24 months. This purchase volume represents approximately $39.00M in transactions.

Which of bluebird bio's major shareholders have been selling company stock?

Of the 29 institutional investors that sold bluebird bio's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Geode Capital Management LLC ($4.45M), Millennium Management LLC ($2.68M), Lion Point Capital LP ($1.67M), Dimensional Fund Advisors LP ($1.49M), Northern Trust Corp ($1.45M), Renaissance Technologies LLC ($1.40M), and Bank of America Corp DE ($1.36M).

How much institutional selling is happening at bluebird bio?

Institutional investors have sold a total of 20,533,099 shares in the last 24 months. This volume of shares sold represents approximately $214.53M in transactions.


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This page (NASDAQ:BLUE) was last updated on 7/9/2025 by MarketBeat.com Staff
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