BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

BLUE was delisted on the 30th of May, 2025.

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275 hedge funds and large institutions have $3.41B invested in bluebird bio in 2020 Q3 according to their latest regulatory filings, with 40 funds opening new positions, 100 increasing their positions, 84 reducing their positions, and 42 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
275
Holders Change
-3
Holders Change %
-1.08%
% of All Funds
5.56%
Holding in Top 10
1
Holding in Top 10 Change
-3
Holding in Top 10 Change %
-75%
% of All Funds
0.02%
New
40
Increased
100
Reduced
84
Closed
42
Calls
$55.7M
Puts
$54.3M
Net Calls
+$1.4M
Net Calls Change
+$7.91M

Top Buyers

1
Massachusetts Financial Services
Massachusetts Financial Services
Massachusetts
+$18.4M
2
Royal Bank of Canada
Royal Bank of Canada
Ontario, Canada
+$14.2M
3
AC
Armistice Capital
New York
+$12.5M
4
Vanguard Group
Vanguard Group
Pennsylvania
+$12.1M
5
GLA
Great Lakes Advisors
Illinois
+$11.9M

Top Sellers

1
Fidelity Investments
Fidelity Investments
Massachusetts
-$42M
2
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
-$25.7M
3
Adage Capital Partners
Adage Capital Partners
Massachusetts
-$22.9M
4
FCM
Frontier Capital Management
Massachusetts
-$19.8M
5
Alyeska Investment Group
Alyeska Investment Group
Illinois
-$16.7M
Name Holding Trade Value Shares
Change 		Shares
Change %
Bank of America
26
Bank of America
North Carolina
$23.4M +$1.43M +2,044 +7%
Fiera Capital (Canada)
27
Fiera Capital (Canada)
Quebec, Canada
$22.2M -$729K -1,043 -3%
Bessemer Group
28
Bessemer Group
New Jersey
$21.5M +$3.92M +5,611 +22%
ACA
29
Anchor Capital Advisors
Massachusetts
$21.4M +$9.86M +14,116 +86%
Dimensional Fund Advisors
30
Dimensional Fund Advisors
Texas
$19.7M +$2.74M +3,921 +16%
Massachusetts Financial Services
31
Massachusetts Financial Services
Massachusetts
$18.4M +$18.4M +26,348 New
UBS AM
32
UBS AM
Illinois
$18.1M +$46.8K +67 +0.3%
CS
33
Candriam SCA
Luxembourg
$17.8M -$4.73M -6,770 -21%
Charles Schwab
34
Charles Schwab
California
$17.4M +$537K +768 +3%
Deutsche Bank
35
Deutsche Bank
Germany
$17.2M -$702K -1,004 -4%
Northern Trust
36
Northern Trust
Illinois
$17.2M -$168K -240 -1%
D.E. Shaw & Co
37
D.E. Shaw & Co
New York
$16.4M -$690K -988 -4%
GLA
38
Great Lakes Advisors
Illinois
$15.8M +$11.9M +16,971 +302%
MP
39
Mangrove Partners
Connecticut
$15.3M +$8.28M +11,847 +118%
Citadel Advisors
40
Citadel Advisors
Florida
$14.8M +$8.87M +12,697 +149%
Wells Fargo
41
Wells Fargo
California
$14.2M +$851K +1,218 +6%
BBA
42
Baker Bros. Advisors
New York
$13.6M -$702K -1,004 -5%
Bank of New York Mellon
43
Bank of New York Mellon
New York
$13.3M -$222K -317 -2%
Two Sigma Advisers
44
Two Sigma Advisers
New York
$13.1M +$6M +8,585 +85%
Morgan Stanley
45
Morgan Stanley
New York
$12.5M +$7.64M +10,928 +158%
Renaissance Technologies
46
Renaissance Technologies
New York
$11.6M +$11.6M +16,552 New
JPMorgan Chase & Co
47
JPMorgan Chase & Co
New York
$11.5M +$1.09M +1,526 +10%
SM
48
Senvest Management
New York
$10.7M +$3.49M +4,995 +48%
New York State Common Retirement Fund
49
New York State Common Retirement Fund
New York
$10.5M -$393K -563 -4%
Russell Investments Group
50
Russell Investments Group
United Kingdom
$10.3M +$2.39M +3,410 +30%
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