BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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231 hedge funds and large institutions have $1.7B invested in bluebird bio in 2021 Q2 according to their latest regulatory filings, with 43 funds opening new positions, 81 increasing their positions, 60 reducing their positions, and 41 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
231
Holders Change
+2
Holders Change %
+0.87%
% of All Funds
4.03%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.02%
New
43
Increased
81
Reduced
60
Closed
41
Calls
$26.1M
Puts
$32.6M
Net Calls
-$6.52M
Net Calls Change
+$13.5M

Top Buyers

1
BlackRock
BlackRock
New York
+$61.5M
2
First Trust Advisors
First Trust Advisors
Illinois
+$25.4M
3
Goldman Sachs
Goldman Sachs
New York
+$24.2M
4
Point72 Asset Management
Point72 Asset Management
Connecticut
+$18M
5
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
+$17.1M

Top Sellers

1
Royal Bank of Canada
Royal Bank of Canada
Ontario, Canada
-$102M
2
CCM
Camber Capital Management
Massachusetts
-$30.2M
3
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
-$29.5M
4
CS
Candriam SCA
Luxembourg
-$17.6M
5
Two Sigma Investments
Two Sigma Investments
New York
-$6.9M
Name Holding Trade Value Shares
Change 		Shares
Change %
WP
51
Woodline Partners
California
$3.29M +$2.19M +5,284 +198%
TC
52
Tarsadia Capital
New York
$3.2M – – –
RhumbLine Advisers
53
RhumbLine Advisers
Massachusetts
$3.12M +$826K +1,994 +36%
DA
54
Duality Advisers
Florida
$3.02M +$1.09M +2,623 +56%
California State Teachers Retirement System (CalSTRS)
55
California State Teachers Retirement System (CalSTRS)
California
$2.98M -$747K -1,804 -20%
AA
56
ALPS Advisors
Colorado
$2.83M -$1.01M -2,450 -26%
PP
57
PDT Partners
New York
$2.8M +$895K +2,162 +47%
State of Wisconsin Investment Board
58
State of Wisconsin Investment Board
Wisconsin
$2.79M +$2.52M +6,084 +927%
Connor, Clark & Lunn Investment Management (CC&L)
59
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$2.76M +$2.11M +5,102 +330%
AllianceBernstein
60
AllianceBernstein
Tennessee
$2.69M +$1.98M +4,784 +278%
Citadel Advisors
61
Citadel Advisors
Florida
$2.64M +$1.3M +3,139 +97%
State of New Jersey Common Pension Fund D
62
State of New Jersey Common Pension Fund D
New Jersey
$2.59M +$941K +2,270 +57%
Invesco
63
Invesco
Georgia
$2.58M -$122K -294 -5%
Rafferty Asset Management
64
Rafferty Asset Management
New York
$2.58M -$4.05M -9,780 -61%
Marshall Wace
65
Marshall Wace
United Kingdom
$2.47M -$4.88M -11,769 -66%
BNP Paribas Financial Markets
66
BNP Paribas Financial Markets
France
$2.44M +$826K +1,994 +51%
Barclays
67
Barclays
United Kingdom
$2.42M +$844K +2,038 +54%
BC
68
Birchview Capital
Vermont
$2.37M -$48.1K -116 -2%
CG
69
Colony Group
Massachusetts
$2.3M +$2.3M +5,559 New
UBS AM
70
UBS AM
Illinois
$2.12M -$784K -1,893 -27%
Ohio Public Employees Retirement System (OPERS)
71
Ohio Public Employees Retirement System (OPERS)
Ohio
$1.97M +$738K +1,783 +60%
New York State Common Retirement Fund
72
New York State Common Retirement Fund
New York
$1.86M -$393K -950 -17%
Deutsche Bank
73
Deutsche Bank
Germany
$1.85M +$795K +1,920 +75%
UR
74
USCA RIA
Texas
$1.77M -$58.8K -142 -3%
GF
75
Gabelli Funds
New York
$1.77M – – –
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