BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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168 hedge funds and large institutions have $272M invested in bluebird bio in 2023 Q3 according to their latest regulatory filings, with 15 funds opening new positions, 56 increasing their positions, 47 reducing their positions, and 21 closing their positions.

Holders
168
Holders Change
-7
Holders Change %
-4%
% of All Funds
2.68%
Holding in Top 10
1
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-50%
% of All Funds
0.02%
New
15
Increased
56
Reduced
47
Closed
21
Calls
$4.45M
Puts
$5.56M
Net Calls
-$1.11M
Net Calls Change
+$732K

Top Buyers

1
Pictet Asset Management
1
Pictet Asset Management
Switzerland
$15.6M
2
Ameriprise
2
Ameriprise
Minnesota
$7M
3
WP
3
Woodline Partners
California
$8.3M
4
CIM
4
Contrarius Investment Management
Jersey
$3.98M
5
BL
5
Bleichroeder LP
New York
$2.74M

Top Sellers

1
State Street
1
State Street
Massachusetts
$38.5M
2
TCM
2
Tang Capital Management
California
$13M
3
PHS
3
PFM Health Sciences
California
$18.4M
4
Walleye Capital
4
Walleye Capital
New York
$0
5
Bank of America
5
Bank of America
North Carolina
$3.7M
Name Market Value Shares Shares
Change 		Shares
Change %
T. Rowe Price Associates
101
T. Rowe Price Associates
Maryland
$71K 23,195 -20,118 -46%
Daiwa Securities Group
102
Daiwa Securities Group
Japan
$70K 23,084 – –
Allspring Global Investments
103
Allspring Global Investments
North Carolina
$67.9K 22,332 -15,573 -41%
TRCT
104
Tower Research Capital (TRC)
New York
$65.2K 21,462 -1,698 -7%
JF
105
Jump Financial
Illinois
$64.6K 21,261 -200,999 -90%
ProShare Advisors
106
ProShare Advisors
Maryland
$63.5K 20,895 +91 +0.4%
AAM
107
Advisors Asset Management
Colorado
$61.2K 20,130 -46 -0.2%
HIC
108
Holderness Investments Company
North Carolina
$60.9K 20,049 -600 -3%
Franklin Resources
109
Franklin Resources
California
$59.1K 19,450 -4,818 -20%
Fiera Capital (Canada)
110
Fiera Capital (Canada)
Quebec, Canada
$57.2K 18,827 – –
Zurich Cantonal Bank
111
Zurich Cantonal Bank
Switzerland
$49.5K 16,284 -401 -2%
AQR Capital Management
112
AQR Capital Management
Connecticut
$47.1K 15,477 -62,115 -80%
DT
113
Diversified Trust
Tennessee
$46.2K 15,208 – –
FT
114
Fiduciary Trust
Massachusetts
$45.9K 15,102 – –
Capstone Investment Advisors
115
Capstone Investment Advisors
New York
$45.6K 15,000 +15,000 New
JIC
116
Johnson Investment Counsel
Ohio
$40.2K 13,209 +13,209 New
GF
117
Gabelli Funds
New York
$39.5K 13,000 -3,000 -19%
State of Wisconsin Investment Board
118
State of Wisconsin Investment Board
Wisconsin
$39.4K 12,972 +12,972 New
CW
119
Channel Wealth
California
$38K 12,500 – –
Victory Capital Management
120
Victory Capital Management
Texas
$34.7K 11,401 +469 +4%
AIM
121
Aigen Investment Management
New York
$34.4K 11,305 +11,305 New
Axa
122
Axa
France
$34K 11,200 – –
Stifel Financial
123
Stifel Financial
Missouri
$31.5K 10,376 +10,376 New
CM
124
Caption Management
Oklahoma
$30.4K 10,000 – –
TW
125
TrinityPoint Wealth
Connecticut
$30.4K 10,000 – –
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5
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