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BLUE

bluebird bio

Delisted

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

232 hedge funds and large institutions have $1.71B invested in bluebird bio in 2021 Q2 according to their latest regulatory filings, with 44 funds opening new positions, 81 increasing their positions, 60 reducing their positions, and 41 closing their positions.

New
Increased
Maintained
Reduced
Closed

35% more repeat investments, than reductions

Existing positions increased: 81 | Existing positions reduced: 60

7% more capital invested

Capital invested by funds: $1.59B → $1.71B (+$118M)

1% more funds holding

Funds holding: 229232 (+3)

7% more first-time investments, than exits

New positions opened: 44 | Existing positions closed: 41

0.07% more ownership

Funds ownership: 6.03%6.11% (+0.07%)

0% more funds holding in top 10

Funds holding in top 10: 11 (0)

20% less call options, than puts

Call options by funds: $26.1M | Put options by funds: $32.6M

Holders
232
Holders Change
+3
Holders Change %
+1.31%
% of All Funds
4.04%
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.02%
New
44
Increased
81
Reduced
60
Closed
41
Calls
$26.1M
Puts
$32.6M
Net Calls
-$6.51M
Net Calls Change
+$13.5M
Name Holding Trade Value Shares
Change
Change in
Stake
UBS Group
126
UBS Group
Switzerland
$413K -$1.78M -4,484 -82%
Fidelity Investments
127
Fidelity Investments
Massachusetts
$399K -$7.13K -18 -2%
BC
128
Bridgefront Capital
Texas
$395K -$256K -647 -40%
Osaic Holdings
129
Osaic Holdings
Arizona
$391K +$14.7K +37 +4%
SCA
130
Spearhead Capital Advisors
Florida
$391K +$47.1K +119 +14%
GCP
131
GSA Capital Partners
United Kingdom
$390K -$2.38M -6,007 -86%
OC
132
Oppenheimer & Co
New York
$372K +$356K +898 New
AG
133
Appleton Group
Wisconsin
$362K +$346K +874 New
LPL Financial
134
LPL Financial
California
$361K +$345K +871 New
WM
135
WS Management
Florida
$359K
IBT
136
International Biotechnology Trust
United Kingdom
$351K
WC
137
Woodstock Corp
Massachusetts
$330K
Mitsubishi UFJ Asset Management
138
Mitsubishi UFJ Asset Management
Japan
$324K +$60.6K +153 +24%
CAM
139
Cresset Asset Management
Illinois
$322K +$307K +775 New
FRM
140
Fox Run Management
Connecticut
$315K +$301K +760 New
B
141
Bailard
California
$313K +$300K +757 New
VF
142
Virtu Financial
New York
$306K +$293K +739 New
AB
143
Amalgamated Bank
New York
$303K -$10.7K -27 -4%
IFG
144
Independent Financial Group
California
$294K +$281K +709 New
GAA
145
Green Alpha Advisors
Colorado
$292K +$54.3K +137 +24%
Public Employees Retirement Association of Colorado
146
Public Employees Retirement Association of Colorado
Colorado
$279K
FC
147
FORA Capital
Florida
$277K +$265K +669 New
Teacher Retirement System of Texas
148
Teacher Retirement System of Texas
Texas
$276K +$39.6K +100 +18%
CM
149
Capula Management
Cayman Islands
$276K +$264K +666 New
Handelsbanken Fonder
150
Handelsbanken Fonder
Sweden
$266K -$128K -324 -34%

BLUE Hedge Fund Activity: Q2 2021 in Review

232 of the 5,746 institutional investors tracked by Wall St. Rank reported a position in bluebird bio (BLUE) for Q2 2021, worth a combined $1.71B — up 7.4% from $1.59B a quarter earlier.

Buyers outnumbered sellers: 44 funds opened new BLUE positions and 41 closed out — a net gain of 3 holders — while 81 added to existing stakes and 60 trimmed.

The largest buyer was BlackRock, adding an estimated $58.8M. The largest seller was Royal Bank of Canada, cutting an estimated $97.2M.

  • 232 institutional investors held bluebird bio (BLUE) as of Q2 2021, up from 229 in Q1 2021.
  • Funds reported $1.71B of bluebird bio stock for Q2 2021, up 7.4% quarter-over-quarter.
  • 44 funds opened new bluebird bio positions in Q2 2021 and 41 closed out, a net change of +3 holders.
  • The largest bluebird bio buyer in Q2 2021 was BlackRock, an estimated $58.8M added.
  • The largest bluebird bio seller in Q2 2021 was Royal Bank of Canada, an estimated $97.2M sold.

Based on aggregated 13F filings for Q2 2021.