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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
Ameriprise
26
Ameriprise
Minnesota
$19.2M +$16.5M +9,062 +110%
Invesco
27
Invesco
Georgia
$19.2M -$3.43M -1,881 -10%
Geode Capital Management
28
Geode Capital Management
Massachusetts
$18.1M +$4.35M +2,388 +17%
Lord, Abbett & Co
29
Lord, Abbett & Co
New Jersey
$17.1M -$57.1M -31,292 -67%
Susquehanna International Group
30
Susquehanna International Group
Pennsylvania
$16.7M +$12.7M +6,967 +86%
UBS AM
31
UBS AM
Illinois
$14.7M -$12.6M -6,912 -34%
RCM
32
RA Capital Management
Massachusetts
$14.3M +$8.16M +4,477 +53%
Mitsubishi UFJ Trust & Banking
33
Mitsubishi UFJ Trust & Banking
Japan
$14.2M +$5.84M +3,201 +33%
Bank of New York Mellon
34
Bank of New York Mellon
New York
$13.5M -$620K -340 -3%
Millennium Management
35
Millennium Management
New York
$13.4M +$188K +103 +0.9%
RI
36
RTW Investments
New York
$13M +$6.56M +3,597 +44%
JHIU
37
Janus Henderson Investors US
Colorado
$12.7M -$8.73M -4,785 -29%
TCIM
38
TIAA CREF Investment Management
New York
$12.7M -$155K -85 -0.7%
BBA
39
Baker Bros. Advisors
New York
$12.1M -$1.41M -772 -7%
American Century Companies
40
American Century Companies
Missouri
$11.6M +$1.12M +612 +6%
New York State Common Retirement Fund
41
New York State Common Retirement Fund
New York
$11.4M +$4.35M +2,385 +30%
Axa
42
Axa
France
$11.4M +$7.09M +3,888 +60%
Northern Trust
43
Northern Trust
Illinois
$11.3M -$17.9M -9,796 -49%
State of Tennessee, Department of Treasury
44
State of Tennessee, Department of Treasury
Tennessee
$11.3M +$7.04M +3,859 +61%
QF
45
QVT Financial
New York
$10.1M
CCI
46
Columbus Circle Investors
$10M -$5.08M -2,786 -24%
Bank of America
47
Bank of America
North Carolina
$9.61M +$4.34M +2,381 +38%
Artisan Partners
48
Artisan Partners
Wisconsin
$8.45M +$4.81M +2,637 +53%
Voloridge Investment Management
49
Voloridge Investment Management
Florida
$8.04M -$1.33M -732 -9%
TCM
50
Tekla Capital Management
Massachusetts
$8.04M +$7.47M +4,096 +130%

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.