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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
URS
126
Utah Retirement Systems
Utah
$954K
VOYA Investment Management
127
VOYA Investment Management
Georgia
$897K -$1.04M -679 -47%
Bank of Montreal
128
Bank of Montreal
Ontario, Canada
$886K -$2.88M -1,885 -72%
BC
129
Brinker Capital
Pennsylvania
$792K +$147K +96 +17%
RIL
130
Rothschild Investment LLC
Illinois
$772K -$36.7K -24 -4%
PI
131
Putnam Investments
Massachusetts
$768K -$985K -645 -50%
WCA
132
Windsor Creek Advisors
Vermont
$762K +$397K +260 +68%
LSA
133
L & S Advisors
California
$753K +$9.16K +6 +1%
Public Employees Retirement Association of Colorado
134
Public Employees Retirement Association of Colorado
Colorado
$654K
XK
135
Xact Kapitalforvaltning
Sweden
$636K -$189K -124 -19%
D.E. Shaw & Co
136
D.E. Shaw & Co
New York
$623K +$234K +153 +41%
Stifel Financial
137
Stifel Financial
Missouri
$621K -$44.3K -29 -5%
ERSOT
138
Employees Retirement System of Texas
Texas
$605K +$777K +509 New
WC
139
Woodstock Corp
Massachusetts
$588K
LTFS
140
Ladenburg Thalmann Financial Services
Florida
$554K +$534K +350 +302%
SEI Investments
141
SEI Investments
Pennsylvania
$547K +$702K +460 New
Mirae Asset Global Investments
142
Mirae Asset Global Investments
South Korea
$539K +$389K +255 +128%
Cerity Partners
143
Cerity Partners
New York
$508K +$4.58K +3 +0.7%
Simplex Trading
144
Simplex Trading
Illinois
$503K +$647K +424 New
TCM
145
Teza Capital Management
Illinois
$497K +$638K +418 New
SAM
146
Shell Asset Management
Netherlands
$496K -$4.58K -3 -0.7%
AAM
147
Advisors Asset Management
Colorado
$494K -$373K -244 -37%
VF
148
Virtu Financial
New York
$483K +$380K +249 +159%
OAM
149
Oppenheimer Asset Management
New York
$468K +$71.8K +47 +14%
RJA
150
Raymond James & Associates
Florida
$439K +$42.8K +28 +8%

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.