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BLUE

bluebird bio

Delisted

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

192 hedge funds and large institutions have $3.12B invested in bluebird bio in 2015 Q3 according to their latest regulatory filings, with 21 funds opening new positions, 93 increasing their positions, 59 reducing their positions, and 63 closing their positions.

New
Increased
Maintained
Reduced
Closed

58% more repeat investments, than reductions

Existing positions increased: 93 | Existing positions reduced: 59

7% less call options, than puts

Call options by funds: $59.5M | Put options by funds: $64M

18% less funds holding

Funds holding: 235192 (-43)

47% less capital invested

Capital invested by funds: $5.86B → $3.12B (-$2.74B)

50% less funds holding in top 10

Funds holding in top 10: 84 (-4)

67% less first-time investments, than exits

New positions opened: 21 | Existing positions closed: 63

Holders
192
Holders Change
-43
Holders Change %
-18.3%
% of All Funds
5.36%
Holding in Top 10
4
Holding in Top 10 Change
-4
Holding in Top 10 Change %
-50%
% of All Funds
0.11%
New
21
Increased
93
Reduced
59
Closed
63
Calls
$59.5M
Puts
$64M
Net Calls
-$4.52M
Net Calls Change
-$9.39M
Name Holding Trade Value Shares
Change
Change in
Stake
TAM
76
Tocqueville Asset Management
New York
$3.62M +$1.58M +867 +36%
TA
77
Teachers Advisors
New York
$3.59M -$7.19M -3,942 -55%
Morgan Stanley
78
Morgan Stanley
New York
$3.44M -$5.53M -3,031 -49%
CSS
79
Cubist Systematic Strategies
Connecticut
$3.41M +$3.85M +2,111 +219%
Zurich Cantonal Bank
80
Zurich Cantonal Bank
Switzerland
$3.29M +$5.4M +2,963 +37,038%
TWMP
81
Taylor Wealth Management Partners
Massachusetts
$3.27M -$91.2K -50 -2%
California Public Employees Retirement System
82
California Public Employees Retirement System
California
$3.14M +$239K +131 +5%
State Board of Administration of Florida Retirement System
83
State Board of Administration of Florida Retirement System
Florida
$3.04M +$295K +162 +6%
Marshall Wace
84
Marshall Wace
United Kingdom
$3.04M +$4.99M +2,738 New
CWM
85
Cabot Wealth Management
Massachusetts
$2.92M +$1.51M +827 +46%
RhumbLine Advisers
86
RhumbLine Advisers
Massachusetts
$2.89M +$275K +151 +6%
ACA
87
Apis Capital Advisors
New York
$2.64M +$1.74M +955 +67%
NIP
88
Nicholas Investment Partners
California
$2.62M -$3.4M -1,866 -44%
ProShare Advisors
89
ProShare Advisors
Maryland
$2.48M +$387K +212 +10%
NFA
90
Nationwide Fund Advisors
Ohio
$2.48M +$602K +330 +17%
Citigroup
91
Citigroup
New York
$2.43M +$2.28M +1,251 +133%
State of Wisconsin Investment Board
92
State of Wisconsin Investment Board
Wisconsin
$2.29M +$217K +119 +6%
PA
93
Profund Advisors
Maryland
$2.2M +$3.62M +1,984 New
Asset Management One
94
Asset Management One
Japan
$2.12M -$503K -276 -13%
NIT
95
NumerixS Investment Technologies
British Columbia, Canada
$2.07M +$1.77M +968 +108%
PAM
96
Paradigm Asset Management
New York
$2.04M -$394K -216 -10%
Canada Pension Plan Investment Board
97
Canada Pension Plan Investment Board
Ontario, Canada
$1.85M +$2.91M +1,597 +2,074%
BG
98
BlackRock Group
United Kingdom
$1.84M +$452K +248 +18%
Group One Trading
99
Group One Trading
Illinois
$1.78M +$2.8M +1,535 +2,103%
Two Sigma Advisers
100
Two Sigma Advisers
New York
$1.78M -$7.47M -4,099 -79%

BLUE Hedge Fund Activity: Q3 2015 in Review

192 of the 3,582 institutional investors tracked by Wall St. Rank reported a position in bluebird bio (BLUE) for Q3 2015, worth a combined $3.12B — down 47% from $5.86B a quarter earlier.

Sellers outnumbered buyers: 63 funds closed out of BLUE and 21 opened new positions — a net loss of 42 holders — while 59 trimmed existing stakes and 93 added.

The largest buyer was Baillie Gifford & Co, adding an estimated $153M. The largest seller was Lord, Abbett & Co, cutting an estimated $57.1M.

  • 192 institutional investors held bluebird bio (BLUE) as of Q3 2015, down from 235 in Q2 2015.
  • Funds reported $3.12B of bluebird bio stock for Q3 2015, down 47% quarter-over-quarter.
  • 21 funds opened new bluebird bio positions in Q3 2015 and 63 closed out, a net change of -42 holders.
  • The largest bluebird bio buyer in Q3 2015 was Baillie Gifford & Co, an estimated $153M added.
  • The largest bluebird bio seller in Q3 2015 was Lord, Abbett & Co, an estimated $57.1M sold.

Based on aggregated 13F filings for Q3 2015.