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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
EDRH
151
Edmond de Rothschild Holding
Switzerland
$418K +$6.11K +4 +1%
ECM
152
ExodusPoint Capital Management
New York
$404K +$84K +55 +19%
RJFSA
153
Raymond James Financial Services Advisors
Florida
$387K -$12.2K -8 -2%
WEC
154
Winslow Evans & Crocker
Massachusetts
$386K
Commonwealth Equity Services
155
Commonwealth Equity Services
Massachusetts
$380K +$41.2K +27 +9%
VRS
156
Virginia Retirement Systems
Virginia
$376K -$82.5K -54 -15%
US Bancorp
157
US Bancorp
Minnesota
$375K -$4.58K -3 -0.9%
RMCM
158
Reynders McVeigh Capital Management
Massachusetts
$372K -$111K -73 -19%
PP
159
Paloma Partners
Connecticut
$369K -$5.71M -3,736 -92%
Zurich Cantonal Bank
160
Zurich Cantonal Bank
Switzerland
$350K +$22.9K +15 +5%
Walleye Capital
161
Walleye Capital
New York
$337K +$432K +283 New
Canada Life
162
Canada Life
Manitoba, Canada
$331K -$382K -250 -47%
WMSA
163
Weiss Multi-Strategy Advisers
New York
$321K +$412K +270 New
QF
164
QVT Financial
New York
$320K
Walleye Trading
165
Walleye Trading
New York
$319K +$409K +268 New
JG
166
Jefferies Group
New York
$309K -$170K -111 -30%
QT
167
Quantamental Technologies
New York
$285K +$367K +240 New
PAG
168
Private Advisor Group
New Jersey
$275K -$107K -70 -23%
SCM
169
Shelton Capital Management
Colorado
$266K
AC
170
Allstate Corporation
Illinois
$263K +$337K +221 New
KAM
171
Kazazian Asset Management
Florida
$258K
WA
172
Winfield Associates
Ohio
$236K
FRM
173
Fox Run Management
Connecticut
$234K +$299K +196 New
BM
174
Brandywine Managers
Delaware
$230K +$59.6K +39 +25%
Prudential Financial
175
Prudential Financial
New Jersey
$222K +$10.7K +7 +4%

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.