bluebird bio (BLUE) Institutional Ownership

$1.22

+0.02 (+1.67%)

(As of 07/26/2024 ET)

Current Institutional Ownership Percentage: 87.43%
Number of Institutional Buyers (last 12 months): 43
Total Institutional Inflows (last 12 months): $35.99M

Number of Institutional Sellers (last 12 months): 23
Total Institutional Outflows (last 12 months): $11.77M

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BLUE Institutional Buying and Selling by Quarter

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bluebird bio Major Shareholders & Ownership History

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Reporting Date	Major Shareholder Name	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
7/26/2024	Bank of New York Mellon Corp	685,757	$675K	0.0%	+19.4%	0.627%
7/12/2024	SG Americas Securities LLC	48,670	$48K	0.0%	-39.2%	0.045%
5/16/2024	Bayesian Capital Management LP	40,443	$52K	0.0%	N/A	0.037%
5/15/2024	Price T Rowe Associates Inc. MD	54,714	$71K	0.0%	+113.7%	0.050%
5/14/2024	American International Group Inc.	94,371	$121K	0.0%	+77.4%	0.086%
5/10/2024	Vanguard Group Inc.	10,498,460	$13.44M	0.0%	+19.6%	9.602%
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5/7/2024	SG Americas Securities LLC	80,032	$102K	0.0%	+458.8%	0.073%
5/1/2024	BNP Paribas Financial Markets	102,100	$131K	0.0%	-80.6%	0.093%
5/1/2024	Mirae Asset Global Investments Co. Ltd.	325,111	$416K	0.0%	+38.4%	0.297%
5/1/2024	Sequoia Financial Advisors LLC	40,085	$51K	0.0%	+48.0%	0.037%
4/29/2024	China Universal Asset Management Co. Ltd.	36,580	$47K	0.0%	+189.2%	0.033%
4/10/2024	Enterprise Bank & Trust Co	30,000	$38K	0.0%	N/A	0.027%
3/14/2024	HBK Investments L P	1,500,000	$2.07M	0.0%	N/A	1.372%
2/26/2024	Virtu Financial LLC	229,542	$317K	0.0%	N/A	0.210%
2/15/2024	PFM Health Sciences LP	2,042,651	$2.82M	0.2%	-66.2%	1.868%
2/15/2024	Birchview Capital LP	321,200	$443K	0.4%	-29.4%	0.294%
2/14/2024	Masters Capital Management LLC	1,000,000	$1.38M	0.1%	N/A	0.915%
2/14/2024	Pennant Investors LP	87,400	$121K	0.0%	N/A	0.080%
2/14/2024	Ghisallo Capital Management LLC	3,150,000	$4.35M	0.4%	N/A	2.881%
2/14/2024	Vestal Point Capital LP	2,150,000	$2.97M	0.3%	N/A	1.966%
2/13/2024	Tower Research Capital LLC TRC	44,844	$62K	0.0%	+108.9%	0.041%
2/13/2024	Rafferty Asset Management LLC	1,425,873	$1.97M	0.0%	-4.4%	1.304%
2/12/2024	Monashee Investment Management LLC	500,000	$690K	0.1%	N/A	0.457%
2/12/2024	Weiss Asset Management LP	750,000	$1.04M	0.1%	N/A	0.686%
2/12/2024	Contrarius Investment Management Ltd	1,206,506	$1.67M	0.1%	-7.8%	1.103%
2/9/2024	Dynamic Technology Lab Private Ltd	26,760	$37K	0.0%	N/A	0.024%
2/8/2024	Summit X LLC	178,952	$247K	0.1%	+10.2%	0.164%
2/8/2024	Panagora Asset Management Inc.	113,362	$156K	0.0%	-67.9%	0.104%
2/8/2024	Mitsubishi UFJ Asset Management Co. Ltd.	64,167	$88K	0.0%	-17.7%	0.059%
2/7/2024	Johnson Investment Counsel Inc.	27,889	$38K	0.0%	+111.1%	0.026%
2/7/2024	BNP Paribas Financial Markets	524,963	$724K	0.0%	+144.7%	0.480%
2/7/2024	Monaco Asset Management SAM	150,000	$207K	0.1%	N/A	0.137%
2/5/2024	Russell Investments Group Ltd.	84,601	$117K	0.0%	-14.2%	0.077%
2/1/2024	New York State Common Retirement Fund	190,685	$263K	0.0%	+67.0%	0.174%
1/26/2024	Cerity Partners LLC	59,623	$82K	0.0%	N/A	0.055%
1/26/2024	Sequoia Financial Advisors LLC	27,085	$37K	0.0%	N/A	0.025%
1/24/2024	Mirae Asset Global Investments Co. Ltd.	234,972	$324K	0.0%	-58.8%	0.215%
12/18/2023	Vanguard Group Inc.	5,617,460	$17.08M	0.0%	+0.8%	5.138%
12/7/2023	Hudson Bay Capital Management LP	327,500	$996K	0.0%	+9.2%	0.300%
12/1/2023	Wellington Management Group LLP	582,168	$1.77M	0.0%	+4.8%	0.532%
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11/17/2023	Jacobs Levy Equity Management Inc.	1,841,584	$5.60M	0.0%	-11.9%	1.684%
11/14/2023	Caxton Associates LP	152,389	$463K	0.1%	+187.9%	0.139%
11/14/2023	Profund Advisors LLC	216,366	$658K	0.0%	-26.6%	0.198%
11/13/2023	Aigen Investment Management LP	11,305	$34K	0.0%	N/A	0.010%
11/13/2023	Rafferty Asset Management LLC	1,491,411	$4.53M	0.0%	-18.8%	1.364%
11/13/2023	Johnson Investment Counsel Inc.	13,209	$40K	0.0%	N/A	0.012%
11/13/2023	E Fund Management Co. Ltd.	66,978	$204K	0.0%	-24.4%	0.061%
11/9/2023	Bleichroeder LP	900,000	$2.74M	0.7%	N/A	0.842%
11/9/2023	Deutsche Bank AG	692,881	$2.11M	0.0%	+80.8%	0.648%
11/9/2023	Citigroup Inc.	557,969	$1.70M	0.0%	+5.8%	0.522%
11/7/2023	Virtus ETF Advisers LLC	78,827	$240K	0.1%	-11.5%	0.074%
11/7/2023	New York State Common Retirement Fund	114,195	$347K	0.0%	+17.0%	0.107%
11/7/2023	Barclays PLC	627,815	$1.91M	0.0%	-16.4%	0.587%
11/7/2023	Jump Financial LLC	21,261	$65K	0.0%	-90.4%	0.020%
11/7/2023	Mitsubishi UFJ Kokusai Asset Management Co. Ltd.	77,996	$237K	0.0%	+6.5%	0.073%
11/6/2023	Summit X LLC	162,368	$494K	0.2%	-27.0%	0.152%
10/27/2023	Hennion & Walsh Asset Management Inc.	48,666	$148K	0.0%	-16.5%	0.046%
10/27/2023	Allspring Global Investments Holdings LLC	22,332	$68K	0.0%	-41.1%	0.021%
10/26/2023	Mirae Asset Global Investments Co. Ltd.	570,932	$1.74M	0.0%	+5.6%	0.534%
10/24/2023	Bank of New York Mellon Corp	411,466	$1.25M	0.0%	+1.5%	0.385%
9/21/2023	Barclays PLC	750,753	$2.47M	0.0%	+34.8%	0.702%
8/14/2023	Granahan Investment Management LLC	4,856,322	$15.98M	0.5%	+236.0%	4.541%
8/14/2023	Graham Capital Management L.P.	95,052	$313K	0.0%	N/A	0.089%
8/11/2023	Panagora Asset Management Inc.	352,603	$1.16M	0.0%	+9.4%	0.330%
8/11/2023	Quinn Opportunity Partners LLC	26,624	$88K	0.0%	-39.7%	0.025%
8/11/2023	E Fund Management Co. Ltd.	88,590	$291K	0.0%	-3.9%	0.083%
8/11/2023	ExodusPoint Capital Management LP	271,627	$894K	0.0%	N/A	0.255%
8/10/2023	Mirae Asset Global Investments Co. Ltd.	540,471	$1.77M	0.0%	+40.0%	0.508%
8/10/2023	Summit X LLC	222,445	$732K	0.2%	+16.0%	0.209%
8/9/2023	BNP Paribas Arbitrage SNC	330,297	$1.09M	0.0%	-46.1%	0.310%
8/9/2023	Mitsubishi UFJ Kokusai Asset Management Co. Ltd.	73,245	$241K	0.0%	+93.2%	0.069%
8/7/2023	Principal Financial Group Inc.	38,391	$126K	0.0%	+22.4%	0.036%
8/7/2023	TrinityPoint Wealth LLC	10,000	$33K	0.0%	-50.0%	0.009%
8/3/2023	Barclays PLC	750,753	$2.47M	0.0%	+34.8%	0.706%
7/31/2023	Brighton Jones LLC	24,710	$81K	0.0%	-10.3%	0.023%
7/31/2023	Daiwa Securities Group Inc.	23,084	$76K	0.0%	+146.7%	0.022%
7/31/2023	Sargent Investment Group LLC	24,324	$80K	0.0%	N/A	0.023%
7/26/2023	Channel Wealth LLC	12,500	$41K	0.0%	N/A	0.012%
7/24/2023	Allspring Global Investments Holdings LLC	37,905	$125K	0.0%	+606.5%	0.036%
7/19/2023	Teacher Retirement System of Texas	28,847	$95K	0.0%	-9.0%	0.027%
7/18/2023	Allspring Global Investments Holdings LLC	37,905	$125K	0.0%	+606.5%	0.036%
6/1/2023	Prelude Capital Management LLC	26,653	$85K	0.0%	N/A	0.025%
5/16/2023	Ghisallo Capital Management LLC	100,000	$318K	0.1%	N/A	0.094%
5/15/2023	Granahan Investment Management LLC	1,445,257	$4.60M	0.1%	+103.7%	1.359%
5/12/2023	Boulder Hill Capital Management LP	15,900	$51K	0.0%	N/A	0.015%
5/12/2023	Panagora Asset Management Inc.	322,301	$1.03M	0.0%	+35.5%	0.303%
5/12/2023	Profund Advisors LLC	297,018	$945K	0.1%	N/A	0.279%
5/11/2023	E Fund Management Co. Ltd.	92,143	$293K	0.0%	+63.3%	0.087%
5/10/2023	Summit X LLC	191,709	$610K	0.2%	N/A	0.180%
5/10/2023	Credit Suisse AG	1,688,224	$5.37M	0.0%	+2.0%	1.587%
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5/10/2023	Pictet Asset Management SA	3,104,751	$9.87M	0.0%	+184.6%	2.919%
5/9/2023	Russell Investments Group Ltd.	98,863	$314K	0.0%	+53.2%	0.093%
5/8/2023	Zurcher Kantonalbank Zurich Cantonalbank	17,429	$55K	0.0%	+26.7%	0.016%
5/4/2023	Barclays PLC	557,077	$1.77M	0.0%	-2.5%	0.524%
5/4/2023	Mirae Asset Global Investments Co. Ltd.	385,980	$1.23M	0.0%	+20.1%	0.363%
5/4/2023	Los Angeles Capital Management LLC	95,648	$304K	0.0%	-24.2%	0.090%
5/3/2023	Jump Financial LLC	24,103	$77K	0.0%	N/A	0.023%
5/2/2023	Victory Capital Management Inc.	11,186	$36K	0.0%	N/A	0.011%
4/28/2023	SG Americas Securities LLC	42,060	$134K	0.0%	+76.9%	0.040%
4/27/2023	Arizona State Retirement System	29,822	$95K	0.0%	+37.0%	0.028%

(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, 117 institutional investors and hedge funds held shares of bluebird bio. The most heavily invested institutionals were Tang Capital Management LLC ($32.08M), Granahan Investment Management LLC ($15.98M), Dimensional Fund Advisors LP ($14.00M), Vanguard Group Inc. ($13.44M), Pictet Asset Management SA ($9.87M), Marshall Wace LLP ($8.49M), and Nuveen Asset Management LLC ($7.09M).Learn more on BLUE's institutional investors.
What percentage of bluebird bio stock is owned by institutional investors?: 87.43% of bluebird bio stock is owned by institutional investors. Learn more on BLUE's institutional investor holdings.
Which institutional investors have been buying bluebird bio stock?: Of the 100 institutional investors that purchased bluebird bio stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Granahan Investment Management LLC ($4.27M), Ghisallo Capital Management LLC ($3.25M), Pictet Asset Management SA ($2.52M), Vestal Point Capital LP ($2.15M), Vanguard Group Inc. ($1.77M), HBK Investments L P ($1.50M), and Masters Capital Management LLC ($1M).

How much institutional buying is happening at bluebird bio?: Institutional investors have bought a total of 30,319,177 shares in the last 24 months. This purchase volume represents approximately $96.85M in transactions.
Which bluebird bio major shareholders have been selling company stock?: Of the 40 institutional investors that sold bluebird bio stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: PFM Health Sciences LP ($4.00M), Renaissance Technologies LLC ($2.05M), Tang Capital Management LLC ($1.70M), Rafferty Asset Management LLC ($1.13M), Credit Suisse AG ($617.42K), Federated Hermes Inc. ($544.95K), and BNP Paribas Financial Markets ($422.86K).
How much institutional selling is happening at bluebird bio?: Institutional investors have sold a total of 13,510,211 shares in the last 24 months. This volume of shares sold represents approximately $51.88M in transactions.