BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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278 hedge funds and large institutions have $3.94B invested in bluebird bio in 2020 Q2 according to their latest regulatory filings, with 71 funds opening new positions, 119 increasing their positions, 52 reducing their positions, and 39 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
278
Holders Change
+31
Holders Change %
+12.55%
% of All Funds
5.71%
Holding in Top 10
4
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+33.33%
% of All Funds
0.08%
New
71
Increased
119
Reduced
52
Closed
39
Calls
$39.6M
Puts
$46.1M
Net Calls
-$6.51M
Net Calls Change
+$4.37M

Top Buyers

1
Vanguard Group
Vanguard Group
Pennsylvania
+$136M
2
Royal Bank of Canada
Royal Bank of Canada
Ontario, Canada
+$90.8M
3
Capital Research Global Investors
Capital Research Global Investors
California
+$78.3M
4
CCM
Camber Capital Management
Massachusetts
+$77.8M
5
BlackRock
BlackRock
New York
+$67.8M

Top Sellers

1
Fidelity Investments
Fidelity Investments
Massachusetts
-$174M
2
Victory Capital Management
Victory Capital Management
Texas
-$117M
3
Citadel Advisors
Citadel Advisors
Florida
-$58.4M
4
Adage Capital Partners
Adage Capital Partners
Massachusetts
-$56.8M
5
Capital World Investors
Capital World Investors
California
-$53.1M
Name Holding Trade Value Shares
Change 		Shares
Change %
GWS
276
Glassman Wealth Services
Virginia
$1K +$1K +2 New
LFG
277
Larson Financial Group
Missouri
$1K +$1K +2 New
TPCW
278
TD Private Client Wealth
New York
$366 -$552 -1 Closed
ED
279
Exane Derivatives
France
$305 -$230 – –
TI
280
tru Independence
Oregon
$6 – – –
Two Sigma Investments
281
Two Sigma Investments
New York
– -$5.98M -10,046 Closed
NAMA
282
Nikko Asset Management Americas
New York
– -$4.88M -8,195 Closed
Sumitomo Mitsui Trust Group
283
Sumitomo Mitsui Trust Group
Japan
– -$4.88M -8,195 Closed
AA
284
ALPS Advisors
Colorado
– -$4.61M -7,746 Closed
AG
285
Artal Group
Luxembourg
– -$4.6M -7,720 Closed
FLAM
286
First Light Asset Management
Minnesota
– -$4.23M -7,106 Closed
FCMI
287
Foresite Capital Management IV
California
– -$2.3M -3,860 Closed
SGA
288
Sector Gamma AS
Norway
– -$2.23M -3,743 Closed
SB
289
Samsara BioCapital
California
– -$1.14M -1,914 Closed
MF
290
Magnetar Financial
Illinois
– -$955K -1,604 Closed
BG
291
Bellevue Group
Switzerland
– -$910K -1,529 Closed
Janus Henderson Group
292
Janus Henderson Group
United Kingdom
– -$760K -1,277 Closed
Connor, Clark & Lunn Investment Management (CC&L)
293
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
– -$733K -1,231 Closed
SCM
294
Shelton Capital Management
Colorado
– -$363K -610 Closed
JG
295
Jefferies Group
New York
– -$347K -584 Closed
SSA
296
Schonfeld Strategic Advisors
New York
– -$324K -545 Closed
GCP
297
GSA Capital Partners
United Kingdom
– -$296K -498 Closed
LP
298
LMR Partners
United Kingdom
– -$297K -488 Closed
LI
299
Leap Investments
Illinois
– -$234K -394 Closed
AT
300
Arden Trust
Delaware
– -$105K -177 Closed
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