BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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210 hedge funds and large institutions have $3.8B invested in bluebird bio in 2015 Q1 according to their latest regulatory filings, with 59 funds opening new positions, 71 increasing their positions, 68 reducing their positions, and 18 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
210
Holders Change
+41
Holders Change %
+24.26%
% of All Funds
5.6%
Holding in Top 10
4
Holding in Top 10 Change
-3
Holding in Top 10 Change %
-42.86%
% of All Funds
0.11%
New
59
Increased
71
Reduced
68
Closed
18
Calls
$97.3M
Puts
$70M
Net Calls
+$27.3M
Net Calls Change
-$1.56M

Top Buyers

1
Baillie Gifford & Co
Baillie Gifford & Co
United Kingdom
$155M
2
Vanguard Group
Vanguard Group
Pennsylvania
$167M
3
O
OrbiMed
New York
$66.5M
4
Capital World Investors
Capital World Investors
California
$164M
5
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
$232M

Top Sellers

1
TRV
Third Rock Ventures
Massachusetts
$0
2
RCM
RA Capital Management
Massachusetts
$24.2M
3
FCM
Frontier Capital Management
Massachusetts
$30.2M
4
DM
Deerfield Management
New York
$76.2M
5
PHS
PFM Health Sciences
California
$24.1M
Name Holding Trade Value Shares
Change 		Shares
Change %
ClearBridge Investments
201
ClearBridge Investments
New York
$21K -$19.4K -12 -48%
IF
202
Ironwood Financial
Arizona
$15K – – –
Zurich Cantonal Bank
203
Zurich Cantonal Bank
Switzerland
$12K +$12K +8 New
CCS
204
Crosspoint Capital Strategies
California
$7K +$7K +4 New
CFA
205
CT Financial Advisors
Pennsylvania
$6.04K +$6.04K +4 New
OIA
206
Optimum Investment Advisors
Illinois
$6K +$6K +4 New
Manulife (Manufacturers Life Insurance)
207
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$4.73K +$3.07K +1,961 +184%
TDC
208
Thompson Davis & Co
Virginia
$4K – – –
EFSCE
209
Enterprise Financial Services Corp (EFSC)
Missouri
$4K +$4K +3 New
JG
210
Jefferies Group
New York
$3K +$3K +2 New
TRV
211
Third Rock Ventures
Massachusetts
– -$111M -93,802 Closed
ICAP
212
Independence Capital Asset Partners
Colorado
– -$16.5M -13,899 Closed
LCP
213
Lamond Capital Partners
California
– -$13.5M -11,378 Closed
EAM
214
EverPoint Asset Management
Connecticut
– -$11.9M -10,036 Closed
RG
215
Redmile Group
California
– -$9.38M -7,892 Closed
PC
216
PointState Capital
New York
– -$6.88M -5,790 Closed
Point72 Asset Management
217
Point72 Asset Management
Connecticut
– -$4.08M -3,435 Closed
SAM
218
Senzar Asset Management
New York
– -$3.46M -2,910 Closed
OA
219
Omega Advisors
New York
– -$2.29M -1,930 Closed
LCG
220
Lisanti Capital Growth
New York
– -$1.16M -973 Closed
NEPWA
221
New England Private Wealth Advisors
Massachusetts
– -$668K -562 Closed
COPPSERS
222
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
– -$410K -345 Closed
BFS
223
Bradley Foster & Sargent
Connecticut
– -$283K -239 Closed
JPMPWA
224
J.P. Morgan Private Wealth Advisors
California
– -$268K -226 Closed
OTPPB
225
Ontario Teachers' Pension Plan Board
Ontario, Canada
– -$234K -197 Closed
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