BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

Back to rankings

104 hedge funds and large institutions have $742M invested in bluebird bio in 2014 Q2 according to their latest regulatory filings, with 41 funds opening new positions, 34 increasing their positions, 21 reducing their positions, and 19 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
104
Holders Change
+21
Holders Change %
+25.3%
% of All Funds
2.99%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.03%
New
41
Increased
34
Reduced
21
Closed
19
Calls
$6.52M
Puts
$2.68M
Net Calls
+$3.84M
Net Calls Change
+$3.91M

Top Buyers

1
DM
1
Deerfield Management
New York
$41.5M
2
Goldman Sachs
2
Goldman Sachs
New York
$12.2M
3
BFA
3
BlackRock Fund Advisors
California
$29.3M
4
PC
4
PointState Capital
New York
$10.6M
5
Vanguard Group
5
Vanguard Group
Pennsylvania
$15.5M

Top Sellers

1
WRF
1
Waddell & Reed Financial
Kansas
$0
2
PHS
2
PFM Health Sciences
California
$0
3
O
3
OrbiMed
New York
$0
4
Millennium Management
4
Millennium Management
New York
$5.46M
5
BA
5
BlackRock Advisors
Delaware
$2.34M
Name Holding Trade Value Shares
Change 		Shares
Change %
Marshall Wace
51
Marshall Wace
United Kingdom
$1.08M +$1.08M +2,159 New
Jane Street
52
Jane Street
New York
$1.05M +$1.05M +2,102 New
TA
53
Teachers Advisors
New York
$1.04M +$672K +1,346 +185%
ProShare Advisors
54
ProShare Advisors
Maryland
$932K -$36.5K -73 -4%
EI
55
EAM Investors
California
$868K +$868K +1,738 New
ARC
56
Absolute Return Capital
Massachusetts
$745K +$745K +1,491 New
Morgan Stanley
57
Morgan Stanley
New York
$734K -$161K -323 -18%
RFC
58
Russell Frank Company
Washington
$704K +$704K +1,409 New
ARTA
59
A.R.T. Advisors
New York
$702K +$702K +1,407 New
WC
60
Woodstock Corp
Massachusetts
$671K – – –
Swiss National Bank
61
Swiss National Bank
Switzerland
$636K +$170K +340 +36%
RhumbLine Advisers
62
RhumbLine Advisers
Massachusetts
$620K +$620K +1,241 New
JPMPWA
63
J.P. Morgan Private Wealth Advisors
California
$598K +$598K +1,197 New
MLICM
64
Metropolitan Life Insurance Company (MetLife)
New York
$576K +$576K +1,152 New
NFA
65
Nationwide Fund Advisors
Ohio
$563K +$360K +722 +178%
Susquehanna International Group
66
Susquehanna International Group
Pennsylvania
$539K -$309K -617 -36%
Manulife (Manufacturers Life Insurance)
67
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$487K +$256K +512 +111%
AIG
68
American International Group
New York
$481K +$302K +604 +168%
VOYA Investment Management
69
VOYA Investment Management
Georgia
$419K +$419K +839 New
Two Sigma Investments
70
Two Sigma Investments
New York
$409K +$409K +818 New
MCM
71
Mazama Capital Management
Oregon
$405K +$334K +670 +472%
PP
72
PDT Partners
New York
$402K +$402K +805 New
TAM
73
Tocqueville Asset Management
New York
$309K -$139K -278 -31%
State Board of Administration of Florida Retirement System
74
State Board of Administration of Florida Retirement System
Florida
$265K +$265K +531 New
WS
75
Wedbush Securities
California
$245K +$245K +490 New
1 2
3
4 5