BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

Back to rankings

303 hedge funds and large institutions have $9B invested in bluebird bio in 2018 Q1 according to their latest regulatory filings, with 56 funds opening new positions, 93 increasing their positions, 113 reducing their positions, and 44 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
303
Holders Change
+7
Holders Change %
+2.36%
% of All Funds
6.95%
Holding in Top 10
2
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-33.33%
% of All Funds
0.05%
New
56
Increased
93
Reduced
113
Closed
44
Calls
$185M
Puts
$168M
Net Calls
+$17.5M
Net Calls Change
-$69.5M

Top Buyers

1
Capital International Investors
Capital International Investors
California
+$174M
2
Goldman Sachs
Goldman Sachs
New York
+$64.5M
3
Capital World Investors
Capital World Investors
California
+$56.9M
4
CGT
Capital Guardian Trust
California
+$49.9M
5
First Trust Advisors
First Trust Advisors
Illinois
+$46.7M

Top Sellers

1
Wellington Management Group
Wellington Management Group
Massachusetts
-$52.9M
2
Franklin Resources
Franklin Resources
California
-$52.1M
3
1832 Asset Management
1832 Asset Management
Ontario, Canada
-$51M
4
MWNA
Marshall Wace North America
New York
-$47.3M
5
ACH
ArrowMark Colorado Holdings
Colorado
-$39.5M
Name Holding Trade Value Shares
Change 		Shares
Change %
CTA
51
Carillon Tower Advisers
Florida
$24.7M – – –
MMH
52
Menora Mivtachim Holdings
Israel
$24.2M +$8.49M +3,837 +54%
JPMorgan Chase & Co
53
JPMorgan Chase & Co
New York
$22.6M +$11.1M +5,012 +96%
PHS
54
PFM Health Sciences
California
$21.9M -$1.96M -884 -8%
Bank of America
55
Bank of America
North Carolina
$21M +$250K +113 +1%
Barclays
56
Barclays
United Kingdom
$18.1M +$9.07M +4,099 +101%
ECM
57
Element Capital Management
New York
$17.7M -$4.88M -2,208 -22%
New York State Common Retirement Fund
58
New York State Common Retirement Fund
New York
$17.5M -$1.04M -470 -6%
Renaissance Technologies
59
Renaissance Technologies
New York
$17M +$17M +7,705 New
California Public Employees Retirement System
60
California Public Employees Retirement System
California
$15.4M -$980K -443 -6%
Swiss National Bank
61
Swiss National Bank
Switzerland
$14.7M +$546K +247 +4%
Kayne Anderson Rudnick Investment Management
62
Kayne Anderson Rudnick Investment Management
California
$14.5M +$14.5M +6,536 New
Wells Fargo
63
Wells Fargo
California
$14.2M +$1.02M +462 +8%
California State Teachers Retirement System (CalSTRS)
64
California State Teachers Retirement System (CalSTRS)
California
$12.7M -$460K -208 -3%
Principal Financial Group
65
Principal Financial Group
Iowa
$12.3M -$37.6K -17 -0.3%
FAM
66
Fred Alger Management
New York
$11.8M +$1.36M +613 +13%
AQR Capital Management
67
AQR Capital Management
Connecticut
$11.8M +$1.3M +590 +12%
TCM
68
Tekla Capital Management
Massachusetts
$11.3M +$3.28M +1,483 +41%
UBS AM
69
UBS AM
Illinois
$10.8M -$986K -446 -8%
Allianz Asset Management
70
Allianz Asset Management
Germany
$10.7M +$2.44M +1,104 +29%
AC
71
Armistice Capital
New York
$10.2M +$4.27M +1,930 +71%
UBS Group
72
UBS Group
Switzerland
$9.07M +$3.54M +1,600 +64%
RhumbLine Advisers
73
RhumbLine Advisers
Massachusetts
$8.86M -$272K -123 -3%
FCM
74
Frontier Capital Management
Massachusetts
$8.79M -$7.79M -3,522 -47%
State of Wisconsin Investment Board
75
State of Wisconsin Investment Board
Wisconsin
$8.41M +$896K +405 +12%
1 2
3
4 5