BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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251 hedge funds and large institutions have $6.04B invested in bluebird bio in 2018 Q4 according to their latest regulatory filings, with 37 funds opening new positions, 98 increasing their positions, 76 reducing their positions, and 73 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
251
Holders Change
-37
Holders Change %
-12.85%
% of All Funds
5.6%
Holding in Top 10
1
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-50%
% of All Funds
0.02%
New
37
Increased
98
Reduced
76
Closed
73
Calls
$169M
Puts
$88.3M
Net Calls
+$80.8M
Net Calls Change
+$54.9M

Top Buyers

1
Wellington Management Group
Wellington Management Group
Massachusetts
+$300M
2
Capital International Investors
Capital International Investors
California
+$178M
3
Fiera Capital (Canada)
Fiera Capital (Canada)
Quebec, Canada
+$33M
4
Capital World Investors
Capital World Investors
California
+$28.5M
5
Two Sigma Investments
Two Sigma Investments
New York
+$25.3M

Top Sellers

1
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
-$137M
2
RG
Redmile Group
California
-$36.8M
3
Bank of New York Mellon
Bank of New York Mellon
New York
-$35.3M
4
MCM
Masters Capital Management
Georgia
-$30.7M
5
AllianceBernstein
AllianceBernstein
Tennessee
-$27.9M
Name Holding Trade Value Shares
Change 		Shares
Change %
SCM
276
Stevens Capital Management
Pennsylvania
– -$847K -448 Closed
Mirae Asset Global Investments
277
Mirae Asset Global Investments
South Korea
– -$832K -440 Closed
Federated Hermes
278
Federated Hermes
Pennsylvania
– -$730K -386 Closed
GAM
279
Gotham Asset Management
New York
– -$710K -376 Closed
MCIM
280
Meadow Creek Investment Management
Georgia
– -$703K -372 Closed
BCA
281
Bay Colony Advisors
Massachusetts
– -$686K -363 Closed
CG
282
Cutler Group
California
– -$671K -355 Closed
DBIA
283
Dumont & Blake Investment Advisors
New Jersey
– -$657K -347 Closed
FCM
284
Flinton Capital Management
Pennsylvania
– -$512K -271 Closed
LP
285
LMR Partners
United Kingdom
– -$462K -244 Closed
RCAMU
286
Rothschild & Co Asset Management US
Connecticut
– -$438K -232 Closed
SAM
287
Sectoral Asset Management
Quebec, Canada
– -$432K -228 Closed
NIMI
288
Natixis Investment Managers International
France
– -$428K -226 Closed
BTS
289
BB&T Securities
Virginia
– -$370K -196 Closed
DCM
290
Dupont Capital Management
Delaware
– -$363K -192 Closed
BRWM
291
B. Riley Wealth Management
Tennessee
– -$336K -178 Closed
FBC
292
Fairfield, Bush & Co
Connecticut
– -$292K -154 Closed
HCMT
293
Highland Capital Management (Texas)
Texas
– -$292K -154 Closed
B
294
Bailard
California
– -$292K -154 Closed
Nomura Asset Management
295
Nomura Asset Management
Japan
– -$292K -154 Closed
QSS
296
Quantitative Systematic Strategies
Florida
– -$271K -143 Closed
BB
297
Bell Bank
North Dakota
– -$263K -139 Closed
CIBC Asset Management
298
CIBC Asset Management
Ontario, Canada
– -$260K -137 Closed
WAM
299
World Asset Management
Michigan
– -$257K -136 Closed
HighTower Advisors
300
HighTower Advisors
Illinois
– -$256K -135 Closed
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