BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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186 hedge funds and large institutions have $182M invested in bluebird bio in 2023 Q4 according to their latest regulatory filings, with 54 funds opening new positions, 63 increasing their positions, 39 reducing their positions, and 32 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
186
Holders Change
+19
Holders Change %
+11.38%
% of All Funds
2.73%
Holding in Top 10
–
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-100%
% of All Funds
–
New
54
Increased
63
Reduced
39
Closed
32
Calls
$5.42M
Puts
$5.25M
Net Calls
+$166K
Net Calls Change
+$1.28M

Top Buyers

1
Alyeska Investment Group
1
Alyeska Investment Group
Illinois
$9.54M
2
Norges Bank
2
Norges Bank
Norway
$5.51M
3
PAI
3
Palo Alto Investors
California
$4.6M
4
Vanguard Group
4
Vanguard Group
Pennsylvania
$12.1M
5
GCM
5
Ghisallo Capital Management
Massachusetts
$4.35M

Top Sellers

1
BBA
1
Baker Bros. Advisors
New York
$0
2
PHS
2
PFM Health Sciences
California
$2.82M
3
TCM
3
Tang Capital Management
California
$2.35M
4
WP
4
Woodline Partners
California
$690K
5
CS
5
Credit Suisse
Switzerland
$97.5K
Name Holding Trade Value Shares
Change 		Shares
Change %
Allspring Global Investments
151
Allspring Global Investments
North Carolina
$3.27K -$27.7K -999 -89%
S
152
SignatureFD
Georgia
$2.71K +$2.02K +73 +292%
Zurich Cantonal Bank
153
Zurich Cantonal Bank
Switzerland
$2.68K -$19.8K -717 -88%
Belvedere Trading
154
Belvedere Trading
Illinois
$2.36K +$2.36K +86 New
PNC Financial Services Group
155
PNC Financial Services Group
Pennsylvania
$1.64K -$2.49K -90 -60%
Nisa Investment Advisors
156
Nisa Investment Advisors
Missouri
$1.58K +$139 +5 +10%
NA
157
NewEdge Advisors
Louisiana
$1.52K – – –
SPIA
158
Steward Partners Investment Advisory
New York
$1.38K – – –
HPC
159
HM Payson & Co
Maine
$1.38K -$828 -30 -38%
VAMG
160
Voisard Asset Management Group
Michigan
$1.38K +$1.38K +50 New
CG
161
Cutler Group
California
$1K +$1K +40 New
SSB
162
Sandy Spring Bank
Maryland
$932 +$27 +1 +3%
LC
163
Lindbrook Capital
California
$896 +$672 +24 +300%
Comerica Bank
164
Comerica Bank
Texas
$835 +$835 +30 New
HCM
165
Highlander Capital Management
New Jersey
$690 – – –
NMM
166
Naples Money Management
Florida
$690 +$690 +25 New
HNB
167
Huntington National Bank
Ohio
$690 +$690 +25 New
HF
168
Halpern Financial
Virginia
$685 +$685 +25 New
WT
169
Whittier Trust
California
$493 – – –
PP
170
PFS Partners
New Jersey
$470 – – –
TCOV
171
Trust Company of Vermont
Vermont
$349 – – –
HWM
172
HighMark Wealth Management
Minnesota
$317 – – –
BC
173
Barrett & Company
Rhode Island
$276 – – –
Northwestern Mutual Wealth Management
174
Northwestern Mutual Wealth Management
Wisconsin
$242 – – –
EWA
175
EverSource Wealth Advisors
Alabama
$242 +$242 +9 New
5 6
7
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