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BLUE

bluebird bio

Delisted

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

278 hedge funds and large institutions have $3.94B invested in bluebird bio in 2020 Q2 according to their latest regulatory filings, with 71 funds opening new positions, 119 increasing their positions, 52 reducing their positions, and 39 closing their positions.

New
Increased
Maintained
Reduced
Closed

129% more repeat investments, than reductions

Existing positions increased: 119 | Existing positions reduced: 52

82% more first-time investments, than exits

New positions opened: 71 | Existing positions closed: 39

42% more capital invested

Capital invested by funds: $2.78B → $3.94B (+$1.16B)

33% more funds holding in top 10

Funds holding in top 10: 34 (+1)

13% more funds holding

Funds holding: 247278 (+31)

0.67% less ownership

Funds ownership: 8.36%7.69% (-0.67%)

14% less call options, than puts

Call options by funds: $39.6M | Put options by funds: $46.1M

Holders
278
Holders Change
+31
Holders Change %
+12.55%
% of All Funds
5.7%
Holding in Top 10
4
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+33.33%
% of All Funds
0.08%
New
71
Increased
119
Reduced
52
Closed
39
Calls
$39.6M
Puts
$46.1M
Net Calls
-$6.51M
Net Calls Change
+$4.37M
Name Holding Trade Value Shares
Change
Change in
Stake
TC
76
Tarsadia Capital
New York
$4.93M +$1.22M +1,621 +35%
KBC Group
77
KBC Group
Belgium
$4.77M +$2.62M +3,470 +136%
RhumbLine Advisers
78
RhumbLine Advisers
Massachusetts
$4.7M +$879K +1,165 +24%
PPA
79
Parametric Portfolio Associates
Washington
$4.5M +$1.06M +1,412 +33%
GLA
80
Great Lakes Advisors
Illinois
$4.44M +$4.23M +5,615 New
Jane Street
81
Jane Street
New York
$3.81M +$3.08M +4,079 +552%
BC
82
Birchview Capital
Vermont
$3.66M +$3.49M +4,632 New
Los Angeles Capital Management
83
Los Angeles Capital Management
California
$3.63M +$3.46M +4,594 New
ECG
84
EPIQ Capital Group
California
$3.3M +$363K +482 +13%
N
85
Natixis
France
$3.2M +$3.05M +4,045 New
GC
86
Guggenheim Capital
Illinois
$3.18M +$1.06M +1,409 +54%
Legal & General Group
87
Legal & General Group
United Kingdom
$3.16M +$685K +908 +29%
Mirae Asset Global Investments
88
Mirae Asset Global Investments
South Korea
$3.02M +$2.07M +2,744 +255%
VanEck Associates
89
VanEck Associates
New York
$2.63M +$1.05M +1,397 +73%
MGI
90
MayTech Global Investments
New York
$2.57M +$12.1K +16 +0.5%
Thrivent Financial for Lutherans
91
Thrivent Financial for Lutherans
Minnesota
$2.56M
State of New Jersey Common Pension Fund D
92
State of New Jersey Common Pension Fund D
New Jersey
$2.42M -$119K -158 -5%
EAM
93
Erste Asset Management
Austria
$2.14M
Hudson Bay Capital Management
94
Hudson Bay Capital Management
Connecticut
$2.14M -$291K -386 -13%
SGH
95
Sivik Global Healthcare
Connecticut
$2.14M +$2.04M +2,702 New
Invesco
96
Invesco
Georgia
$2.11M -$201K -266 -9%
UBS Group
97
UBS Group
Switzerland
$2.08M +$609K +807 +44%
UR
98
USCA RIA
Texas
$2.06M +$610K +809 +45%
Squarepoint
99
Squarepoint
New York
$2M +$1.91M +2,527 New
AllianceBernstein
100
AllianceBernstein
Tennessee
$1.95M -$2.49M -3,300 -57%

BLUE Hedge Fund Activity: Q2 2020 in Review

278 of the 4,878 institutional investors tracked by Wall St. Rank reported a position in bluebird bio (BLUE) for Q2 2020, worth a combined $3.94B — up 42% from $2.78B a quarter earlier.

Buyers outnumbered sellers: 71 funds opened new BLUE positions and 39 closed out — a net gain of 32 holders — while 119 added to existing stakes and 52 trimmed.

The largest buyer was Vanguard Group, adding an estimated $129M. The largest seller was Fidelity Investments, cutting an estimated $166M.

  • 278 institutional investors held bluebird bio (BLUE) as of Q2 2020, up from 247 in Q1 2020.
  • Funds reported $3.94B of bluebird bio stock for Q2 2020, up 42% quarter-over-quarter.
  • 71 funds opened new bluebird bio positions in Q2 2020 and 39 closed out, a net change of +32 holders.
  • The largest bluebird bio buyer in Q2 2020 was Vanguard Group, an estimated $129M added.
  • The largest bluebird bio seller in Q2 2020 was Fidelity Investments, an estimated $166M sold.

Based on aggregated 13F filings for Q2 2020.