BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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184 hedge funds and large institutions have $456M invested in bluebird bio in 2022 Q4 according to their latest regulatory filings, with 44 funds opening new positions, 64 increasing their positions, 46 reducing their positions, and 19 closing their positions.

Holders
184
Holders Change
+22
Holders Change %
+13.58%
% of All Funds
2.97%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.02%
New
44
Increased
64
Reduced
46
Closed
19
Calls
$8.47M
Puts
$4.9M
Net Calls
+$3.57M
Net Calls Change
+$1.9M

Top Buyers

1
Point72 Asset Management
1
Point72 Asset Management
Connecticut
$8.36M
2
Balyasny Asset Management
2
Balyasny Asset Management
Illinois
$6.56M
3
Voloridge Investment Management
3
Voloridge Investment Management
Florida
$8.59M
4
Jacobs Levy Equity Management
4
Jacobs Levy Equity Management
New Jersey
$5.23M
5
Adage Capital Partners
5
Adage Capital Partners
Massachusetts
$4.33M

Top Sellers

1
TCM
1
Tang Capital Management
California
$32.1M
2
Marshall Wace
2
Marshall Wace
United Kingdom
$0
3
Millennium Management
3
Millennium Management
New York
$5M
4
Invesco
4
Invesco
Georgia
$5.61M
5
Citadel Advisors
5
Citadel Advisors
Florida
$1.68M
Name Market Value Shares Shares
Change 		Shares
Change %
State Street
1
State Street
Massachusetts
$88.3M 12,759,471 +38,991 +0.3%
BlackRock
2
BlackRock
New York
$51M 7,368,662 +469,687 +7%
TCM
3
Tang Capital Management
California
$32.1M 4,635,528 -1,700,000 -27%
Vanguard Group
4
Vanguard Group
Pennsylvania
$29.5M 4,266,320 +556,713 +15%
BBA
5
Baker Bros. Advisors
New York
$17.3M 2,499,715 – –
Goldman Sachs
6
Goldman Sachs
New York
$12.2M 1,758,040 +260,977 +17%
CS
7
Credit Suisse
Switzerland
$11.5M 1,655,533 +68,188 +4%
Geode Capital Management
8
Geode Capital Management
Massachusetts
$11.3M 1,632,707 +199,183 +14%
FLSM
9
Frazier Life Sciences Management
California
$9.97M 1,440,757 – –
JPMorgan Chase & Co
10
JPMorgan Chase & Co
New York
$8.95M 1,293,046 +66,176 +5%
WP
11
Woodline Partners
California
$8.93M 1,290,699 +152,141 +13%
Voloridge Investment Management
12
Voloridge Investment Management
Florida
$8.59M 1,240,773 +723,025 +140%
Point72 Asset Management
13
Point72 Asset Management
Connecticut
$8.36M 1,208,089 +1,208,089 New
Rafferty Asset Management
14
Rafferty Asset Management
New York
$8.05M 1,163,163 +192,579 +20%
PAMS
15
Pictet Asset Management (Switzerland)
Switzerland
$7.55M 1,091,062 +273,984 +34%
Nuveen Asset Management
16
Nuveen Asset Management
Illinois
$7.5M 1,084,350 -35,694 -3%
Balyasny Asset Management
17
Balyasny Asset Management
Illinois
$6.56M 947,607 +829,274 +701%
Squarepoint
18
Squarepoint
New York
$6.53M 943,444 +495,566 +111%
Morgan Stanley
19
Morgan Stanley
New York
$5.77M 833,488 +360,612 +76%
IC
20
Ikarian Capital
Texas
$5.62M 812,628 +350,000 +76%
Invesco
21
Invesco
Georgia
$5.61M 810,835 -707,844 -47%
Northern Trust
22
Northern Trust
Illinois
$5.4M 780,777 +100,058 +15%
Jacobs Levy Equity Management
23
Jacobs Levy Equity Management
New Jersey
$5.23M 755,144 +627,917 +494%
Millennium Management
24
Millennium Management
New York
$5M 723,085 -924,245 -56%
GIM
25
Granahan Investment Management
Massachusetts
$4.91M 709,529 +120,446 +20%
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