BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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273 hedge funds and large institutions have $7.92B invested in bluebird bio in 2019 Q2 according to their latest regulatory filings, with 31 funds opening new positions, 106 increasing their positions, 81 reducing their positions, and 42 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
273
Holders Change
-15
Holders Change %
-5.21%
% of All Funds
5.94%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.02%
New
31
Increased
106
Reduced
81
Closed
42
Calls
$100M
Puts
$131M
Net Calls
-$31M
Net Calls Change
-$84.9M

Top Buyers

1
Sands Capital Management
Sands Capital Management
Virginia
+$141M
2
Invesco
Invesco
Georgia
+$121M
3
Nuveen Asset Management
Nuveen Asset Management
Illinois
+$53.1M
4
Capital World Investors
Capital World Investors
California
+$48.9M
5
EVM
Eaton Vance Management
Massachusetts
+$26.9M

Top Sellers

1
Vanguard Group
Vanguard Group
Pennsylvania
-$138M
2
MWNA
Marshall Wace North America
New York
-$74.9M
3
Bank of America
Bank of America
North Carolina
-$35.4M
4
EAM
Eventide Asset Management
Massachusetts
-$32.9M
5
Baillie Gifford & Co
Baillie Gifford & Co
United Kingdom
-$32.5M
Name Holding Trade Value Shares
Change 		Shares
Change %
MWNA
276
Marshall Wace North America
New York
– -$74.9M -36,744 Closed
Marshall Wace
277
Marshall Wace
United Kingdom
– -$6.12M -3,002 Closed
Los Angeles Capital Management
278
Los Angeles Capital Management
California
– -$5.6M -2,747 Closed
GAMA
279
Graticule Asia Macro Advisors
New York
– -$4.28M -2,102 Closed
Fidelity International
280
Fidelity International
Bermuda
– -$2.74M -1,342 Closed
BCM
281
BlueCrest Capital Management
Jersey
– -$1.98M -973 Closed
Man Group
282
Man Group
United Kingdom
– -$1.21M -593 Closed
Verition Fund Management
283
Verition Fund Management
Connecticut
– -$1.18M -579 Closed
WCM
284
Weld Capital Management
New York
– -$1M -493 Closed
Creative Planning
285
Creative Planning
Kansas
– -$787K -386 Closed
EIM
286
Essex Investment Management
Massachusetts
– -$687K -337 Closed
CPC
287
Cookson Peirce & Co
Pennsylvania
– -$656K -322 Closed
PC
288
PointState Capital
New York
– -$645K -317 Closed
Nomura Holdings
289
Nomura Holdings
Japan
– -$648K -317 Closed
SEI Investments
290
SEI Investments
Pennsylvania
– -$618K -303 Closed
JGGDR
291
JGP Global Gestao de Recursos
Brazil
– -$569K -279 Closed
AR
292
Advisory Research
Illinois
– -$436K -214 Closed
PIA
293
Piedmont Investment Advisors
North Carolina
– -$431K -212 Closed
Simplex Trading
294
Simplex Trading
Illinois
– -$432K -212 Closed
MCM
295
McKinley Capital Management
Alaska
– -$421K -207 Closed
AAM
296
Azzad Asset Management
Virginia
– -$381K -187 Closed
TC
297
TradeLink Capital
Illinois
– -$346K -170 Closed
PCM
298
Prelude Capital Management
New York
– -$331K -162 Closed
Alyeska Investment Group
299
Alyeska Investment Group
Illinois
– -$304K -149 Closed
TSS
300
Two Sigma Securities
New York
– -$276K -135 Closed
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