BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

Back to rankings

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 %
AF
201
Advisornet Financial
Minnesota
$79K – – –
PNC Financial Services Group
202
PNC Financial Services Group
Pennsylvania
$75K -$29.7K -23 -28%
ClearBridge Investments
203
ClearBridge Investments
New York
$70K – – –
HIIFS
204
Harel Insurance Investments & Financial Services
Israel
$69K -$44.7K -35 -39%
IUHSA
205
Itau Unibanco Holding S.A.
Brazil
$46K +$17.4K +14 +61%
WT
206
Whittier Trust
California
$36K – – –
ED
207
Exane Derivatives
France
$34.4K +$34.4K +27 New
CAW
208
Cornerstone Advisors (Washington)
Washington
$33K +$30.4K +23 +1,150%
CAL
209
Capital Analysts LLC
Pennsylvania
$29K +$10.1K +8 +53%
Walleye Trading
210
Walleye Trading
New York
$27K +$27K +21 New
RA
211
Rational Advisors
New York
$24K +$17.7K +14 +280%
GWM
212
Geneos Wealth Management
Colorado
$21K – – –
FHA
213
First Horizon Advisors
Tennessee
$20K +$20K +16 New
WAS
214
WESPAC Advisors SoCal
California
$17K – – –
TCOV
215
Trust Company of Vermont
Vermont
$17K – – –
Twin Tree Management
216
Twin Tree Management
Texas
$15K -$43.8K -35 -74%
QCG
217
Quadrant Capital Group
Ohio
$15K – – –
TL
218
TrueWealth LLC
Georgia
$15K – – –
SBL
219
Sargent Bickham Lagudis
Colorado
$11K – – –
AAMU
220
Amundi Asset Management US
Massachusetts
$11K +$1.46K +1,135 +15%
PAMU
221
Pictet Asset Management (UK)
United Kingdom
$10.2K -$4.21K -3,273 -29%
VFA
222
Valeo Financial Advisors
Indiana
$10K – – –
WAM
223
Wealthspire Advisors (Maryland)
Maryland
$10K – – –
Northwestern Mutual Wealth Management
224
Northwestern Mutual Wealth Management
Wisconsin
$10K +$10K +8 New
RCAG
225
Rehmann Capital Advisory Group
Michigan
$9.23K +$2.64K +2 +40%
7 8
9
10 11