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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
HLA
201
Hamilton Lane Advisors
Pennsylvania
-$9.06M -4,154 Closed
Renaissance Technologies
202
Renaissance Technologies
New York
-$7.68M -3,520 Closed
Arrowstreet Capital
203
Arrowstreet Capital
Massachusetts
-$5.25M -2,409 Closed
QIM
204
Quantitative Investment Management
Virginia
-$4.5M -2,061 Closed
OA
205
Omega Advisors
New York
-$4.04M -1,852 Closed
DS
206
DRW Securities
Illinois
-$3.78M -1,732 Closed
EI
207
EAM Investors
California
-$3.45M -1,582 Closed
ACM
208
Atika Capital Management
New York
-$3.2M -1,467 Closed
Connor, Clark & Lunn Investment Management (CC&L)
209
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
-$3.19M -1,463 Closed
UOC
210
UBS O'Connor
Illinois
-$2.65M -1,216 Closed
AI
211
Axiom Investors
Connecticut
-$2.47M -1,134 Closed
JRP
212
Jasper Ridge Partners
California
-$2.2M -1,008 Closed
MAM
213
Meeder Asset Management
Ohio
-$2.17M -996 Closed
TRSOTSOK
214
Teachers Retirement System of the State of Kentucky
Kentucky
-$2.04M -934 Closed
EEG
215
E.E. Geduld
-$1.75M -801 Closed
Tudor Investment Corp
216
Tudor Investment Corp
Connecticut
-$1.65M -757 Closed
TI
217
Trexquant Investment
Connecticut
-$1.61M -741 Closed
MOACM
218
Mutual of America Capital Management
New York
-$1.49M -683 Closed
BCM
219
BlueCrest Capital Management
Jersey
-$1.45M -664 Closed
SCM
220
Suffolk Capital Management
New York
-$1.37M -626 Closed
SGH
221
Schonfeld Group Holdings
New York
-$1.08M -494 Closed
Neuberger Berman Group
222
Neuberger Berman Group
New York
-$1.04M -479 Closed
IRF
223
IBM Retirement Fund
New York
-$988K -453 Closed
DCM
224
Dupont Capital Management
Delaware
-$891K -408 Closed
CAN
225
Cetera Advisor Networks
California
-$629K -402 Closed

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.