We are live on ! Find out more
BLUE

bluebird bio

Delisted

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

241 hedge funds and large institutions have $5.87B invested in bluebird bio in 2019 Q3 according to their latest regulatory filings, with 24 funds opening new positions, 81 increasing their positions, 78 reducing their positions, and 54 closing their positions.

New
Increased
Maintained
Reduced
Closed

100% more funds holding in top 10

Funds holding in top 10: 12 (+1)

4% more repeat investments, than reductions

Existing positions increased: 81 | Existing positions reduced: 78

0.21% more ownership

Funds ownership: 8.72%8.93% (+0.21%)

12% less funds holding

Funds holding: 273241 (-32)

21% less call options, than puts

Call options by funds: $81.7M | Put options by funds: $103M

26% less capital invested

Capital invested by funds: $7.92B → $5.87B (-$2.05B)

56% less first-time investments, than exits

New positions opened: 24 | Existing positions closed: 54

Holders
241
Holders Change
-32
Holders Change %
-11.72%
% of All Funds
5.28%
Holding in Top 10
2
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+100%
% of All Funds
0.04%
New
24
Increased
81
Reduced
78
Closed
54
Calls
$81.7M
Puts
$103M
Net Calls
-$21.7M
Net Calls Change
+$9.31M
Name Holding Trade Value Shares
Change
Change in
Stake
FLAM
101
First Light Asset Management
Minnesota
$1.71M -$22.9K -15 -1%
TMAM
102
Tokio Marine Asset Management
Japan
$1.6M +$165K +108 +9%
IBT
103
International Biotechnology Trust
United Kingdom
$1.56M
ProShare Advisors
104
ProShare Advisors
Maryland
$1.49M -$137K -90 -7%
LP
105
LMR Partners
United Kingdom
$1.45M
HAM
106
HHR Asset Management
New Jersey
$1.39M
ISL
107
Ingalls & Snyder LLC
New York
$1.34M -$22.9K -15 -1%
CRC
108
Curi RMB Capital
Illinois
$1.34M +$10.7K +7 +0.6%
WM
109
WS Management
Florida
$1.33M -$189K -124 -10%
Credit Agricole
110
Credit Agricole
France
$1.33M +$687K +450 +68%
Macquarie Group
111
Macquarie Group
Australia
$1.27M +$1.63M +1,066 New
Asset Management One
112
Asset Management One
Japan
$1.24M
UR
113
USCA RIA
Texas
$1.24M +$163K +107 +11%
Treasurer of the State of North Carolina
114
Treasurer of the State of North Carolina
North Carolina
$1.21M -$1.64M -1,075 -51%
PA
115
Profund Advisors
Maryland
$1.17M -$101K -66 -6%
FAT
116
First American Trust
California
$1.16M -$12.2K -8 -0.8%
TWMP
117
Taylor Wealth Management Partners
Massachusetts
$1.13M -$42.8K -28 -3%
AG
118
Aperio Group
California
$1.12M -$35.1K -23 -2%
CA
119
CHI Advisors
New York
$1.1M +$1.41M +926 New
BGIM
120
Boussard & Gavaudan Investment Management
United Kingdom
$1.05M +$1.37M +895 New
CI
121
Capital International
California
$1.05M +$643K +421 +92%
VIA
122
Vident Investment Advisory
Georgia
$1.05M -$38.2K -25 -3%
Envestnet Asset Management
123
Envestnet Asset Management
Illinois
$1.04M +$125K +82 +10%
AB
124
Amalgamated Bank
New York
$1M -$16.8K -11 -1%
Wolverine Trading
125
Wolverine Trading
Illinois
$987K -$7.64K -5 -0.6%

BLUE Hedge Fund Activity: Q3 2019 in Review

241 of the 4,561 institutional investors tracked by Wall St. Rank reported a position in bluebird bio (BLUE) for Q3 2019, worth a combined $5.87B — down 26% from $7.92B a quarter earlier.

Sellers outnumbered buyers: 54 funds closed out of BLUE and 24 opened new positions — a net loss of 30 holders — while 78 trimmed existing stakes and 81 added.

The largest buyer was Sands Capital Management, adding an estimated $126M. The largest seller was Baillie Gifford & Co, cutting an estimated $90.5M.

  • 241 institutional investors held bluebird bio (BLUE) as of Q3 2019, down from 273 in Q2 2019.
  • Funds reported $5.87B of bluebird bio stock for Q3 2019, down 26% quarter-over-quarter.
  • 24 funds opened new bluebird bio positions in Q3 2019 and 54 closed out, a net change of -30 holders.
  • The largest bluebird bio buyer in Q3 2019 was Sands Capital Management, an estimated $126M added.
  • The largest bluebird bio seller in Q3 2019 was Baillie Gifford & Co, an estimated $90.5M sold.

Based on aggregated 13F filings for Q3 2019.