BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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241 hedge funds and large institutions have $5.17B invested in bluebird bio in 2017 Q2 according to their latest regulatory filings, with 50 funds opening new positions, 95 increasing their positions, 66 reducing their positions, and 19 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
241
Holders Change
+31
Holders Change %
+14.76%
% of All Funds
6.02%
Holding in Top 10
4
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+100%
% of All Funds
0.1%
New
50
Increased
95
Reduced
66
Closed
19
Calls
$109M
Puts
$49M
Net Calls
+$59.7M
Net Calls Change
+$34.8M

Top Buyers

1
Wellington Management Group
Wellington Management Group
Massachusetts
+$63.1M
2
Fidelity Investments
Fidelity Investments
Massachusetts
+$61.7M
3
Capital Research Global Investors
Capital Research Global Investors
California
+$51.8M
4
Vanguard Group
Vanguard Group
Pennsylvania
+$36.1M
5
CAM
Cormorant Asset Management
Massachusetts
+$28.9M

Top Sellers

1
Franklin Resources
Franklin Resources
California
-$50.4M
2
Alyeska Investment Group
Alyeska Investment Group
Illinois
-$25.4M
3
Balyasny Asset Management
Balyasny Asset Management
Illinois
-$21.1M
4
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
-$16.6M
5
State Street
State Street
Massachusetts
-$16.3M
Name Holding Trade Value Shares
Change 		Shares
Change %
KF
226
Krilogy Financial
Missouri
$11K -$9.63K -7 -47%
IP
227
Intellectus Partners
California
$11K -$4.13K -3 -27%
Envestnet Asset Management
228
Envestnet Asset Management
Illinois
$11K -$1.38K -1 -11%
WAM
229
Wealthspire Advisors (Maryland)
Maryland
$11K – – –
IF
230
Ironwood Financial
Arizona
$8K – – –
FDCDDQ
231
Federation des caisses Desjardins du Quebec
Quebec, Canada
$7.35K +$7.35K +5 New
FMA
232
FNY Managed Accounts
New York
$7K +$7K +5 New
BFEC
233
Benjamin F. Edwards & Company
Missouri
$5K +$5K +3 New
MAM
234
Meeder Asset Management
Ohio
$3K +$3K +2 New
FMP
235
Financial Management Professionals
Texas
$2K – – –
OAM
236
Oppenheimer Asset Management
New York
$1K – – –
TWA
237
TCI Wealth Advisors
Arizona
$1K – – –
PCP
238
Proficio Capital Partners
Massachusetts
$1K – – –
PA
239
Parallel Advisors
California
$1K +$1K +1 New
Northwestern Mutual Wealth Management
240
Northwestern Mutual Wealth Management
Wisconsin
$1K +$1K +1 New
Alyeska Investment Group
241
Alyeska Investment Group
Illinois
– -$25.4M -21,539 Closed
PC
242
PointState Capital
New York
– -$15.3M -12,998 Closed
DM
243
Deerfield Management
New York
– -$9.73M -8,265 Closed
Lord, Abbett & Co
244
Lord, Abbett & Co
New Jersey
– -$6.42M -5,452 Closed
SC
245
Samlyn Capital
New York
– -$3.96M -3,366 Closed
HCMT
246
Highland Capital Management (Texas)
Texas
– -$3.55M -3,011 Closed
FPF
247
FNY Partners Fund
New York
– -$2.33M -1,976 Closed
PC
248
Polar Capital
United Kingdom
– -$1.82M -1,544 Closed
Group One Trading
249
Group One Trading
Illinois
– -$789K -670 Closed
CCM
250
Cadence Capital Management
Massachusetts
– -$579K -492 Closed
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