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BLUE

bluebird bio
BLUE

Delisted

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

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83 hedge funds and large institutions have $411M invested in bluebird bio in 2014 Q1 according to their latest regulatory filings, with 13 funds opening new positions, 39 increasing their positions, 17 reducing their positions, and 9 closing their positions.

New
Increased
Maintained
Reduced
Closed

129% more repeat investments, than reductions

Existing positions increased: 39 | Existing positions reduced: 17

44% more first-time investments, than exits

New positions opened: 13 | Existing positions closed: 9

9% more capital invested

Capital invested by funds: $378M → $411M (+$33M)

2% more funds holding

Funds holding: 81 → 83 (+2)

50% less funds holding in top 10

Funds holding in top 10: 2 → 1 (-1)

78% less call options, than puts

Call options by funds: $20K | Put options by funds: $91K

Holders
83
Holders Change
+2
Holders Change %
+2.47%
% of All Funds
2.4%
Holding in Top 10
1
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-50%
% of All Funds
0.03%
New
13
Increased
39
Reduced
17
Closed
9
Calls
$20K
Puts
$91K
Net Calls
-$71K
Net Calls Change
-$71K

Top Buyers

Rank Fund Capital Flow
1
CCM
Camber Capital Management
Massachusetts
+$11.7M
2
Capital Research Global Investors
Capital Research Global Investors
California
+$8.14M
3
O
OrbiMed
New York
+$6.76M
4
Millennium Management
Millennium Management
New York
+$5.35M
5
QF
QVT Financial
New York
+$4.61M

Top Sellers

Rank Fund Capital Flow
1
TRV
Third Rock Ventures
Massachusetts
-$21M
2
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
-$7.13M
3
Ameriprise
Ameriprise
Minnesota
-$4.7M
4
WMSA
Weiss Multi-Strategy Advisers
New York
-$3.46M
5
PC
PointState Capital
New York
-$2.1M
Name Holding Trade Value Shares
Change 		Change in
Stake
CFA
76
CT Financial Advisors
Pennsylvania
$6.04K +$1.21K +4 New
BlackRock
77
BlackRock
New York
$5K -$864K -2,851 -99%
Ameriprise
78
Ameriprise
Minnesota
$2K -$4.7M -15,517 -100%
AllianceBernstein
79
AllianceBernstein
Tennessee
$1K – – –
BNP Paribas Financial Markets
80
BNP Paribas Financial Markets
France
$733 +$303 +1 +50%
Manulife (Manufacturers Life Insurance)
81
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$136 +$10K +33 +8%
WMSA
82
Weiss Multi-Strategy Advisers
New York
– -$3.46M -12,738 Closed
PC
83
PointState Capital
New York
– -$2.1M -7,720 Closed
HLA
84
Hamilton Lane Advisors
Pennsylvania
– -$1.86M -6,842 Closed
California Public Employees Retirement System
85
California Public Employees Retirement System
California
– -$1.09M -3,939 Closed
Goldman Sachs
86
Goldman Sachs
New York
– -$758K -2,791 Closed
LI
87
LMCG Investments
Massachusetts
– -$585K -2,151 Closed
Alyeska Investment Group
88
Alyeska Investment Group
Illinois
– -$486K -1,787 Closed
HHC
89
Hutchin Hill Capital
New York
– -$210K -772 Closed
FNBT
90
FineMark National Bank & Trust
Florida
– -$1K -2 Closed
1 2 3
4

BLUE Hedge Fund Activity: Q1 2014 in Review

83 of the 3,462 institutional investors tracked by Wall St. Rank reported a position in bluebird bio (BLUE) for Q1 2014, worth a combined $411M — up 8.7% from $378M a quarter earlier.

Buyers outnumbered sellers: 13 funds opened new BLUE positions and 9 closed out — a net gain of 4 holders — while 39 added to existing stakes and 17 trimmed.

The largest buyer was Camber Capital Management, adding an estimated $11.7M. The largest seller was Third Rock Ventures, cutting an estimated $21M.

  • 83 institutional investors held bluebird bio (BLUE) as of Q1 2014, up from 81 in Q4 2013.
  • Funds reported $411M of bluebird bio stock for Q1 2014, up 8.7% quarter-over-quarter.
  • 13 funds opened new bluebird bio positions in Q1 2014 and 9 closed out, a net change of +4 holders.
  • The largest bluebird bio buyer in Q1 2014 was Camber Capital Management, an estimated $11.7M added.
  • The largest bluebird bio seller in Q1 2014 was Third Rock Ventures, an estimated $21M sold.

Based on aggregated 13F filings for Q1 2014.