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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
QT
151
Quantbot Technologies
New York
$251K +$201K +110 +94%
AIG
152
American International Group
New York
$239K +$29.2K +16 +8%
CIM
153
CenturyLink Investment Management
Colorado
$232K -$20.1K -11 -5%
MLICM
154
Metropolitan Life Insurance Company (MetLife)
New York
$223K +$29.2K +16 +9%
HI
155
HBK Investments
Texas
$219K -$3.06M -1,677 -89%
HSBC Holdings
156
HSBC Holdings
United Kingdom
$215K +$51.1K +28 +17%
Walleye Trading
157
Walleye Trading
New York
$215K +$354K +194 New
M&T Bank
158
M&T Bank
New York
$207K +$339K +186 New
RFS
159
Rockefeller Financial Services
New York
$195K +$243K +133 +309%
BNP Paribas Financial Markets
160
BNP Paribas Financial Markets
France
$193K +$219K +120 +222%
Legal & General Group
161
Legal & General Group
United Kingdom
$188K +$96.6K +53 +45%
SEC
162
Seven Eight Capital
New York
$180K +$268K +147 +980%
AIM
163
Advantage Investment Management
Iowa
$171K -$235K -129 -46%
TRCT
164
Tower Research Capital (TRC)
New York
$159K +$93K +51 +55%
PMAM
165
Picton Mahoney Asset Management
Ontario, Canada
$137K
PAM
166
Panagora Asset Management
Massachusetts
$131K -$235K -129 -52%
PNC Financial Services Group
167
PNC Financial Services Group
Pennsylvania
$128K +$122K +67 +137%
SFPIA
168
Stevens First Principles Investment Advisors
California
$103K +$98.5K +54 +138%
WEC
169
Winslow Evans & Crocker
Massachusetts
$85.5K +$140K +77 New
HCM
170
Highlander Capital Management
New Jersey
$85K
BlackRock
171
BlackRock
New York
$82K +$9.12K +5 +7%
EWM
172
Evercore Wealth Management
New York
$77K
Lazard Asset Management
173
Lazard Asset Management
New York
$58K +$12.8K +7 +16%
ClearBridge Investments
174
ClearBridge Investments
New York
$50K -$18.2K -10 -18%
Bank of Montreal
175
Bank of Montreal
Ontario, Canada
$46K -$137K -75 -65%

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.