BLUE

bluebird bio
BLUE

Overview Fund Trends Analyst Outlook Journalist POV
Delisted

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

Back to rankings

174 hedge funds and large institutions have $308M invested in bluebird bio in 2023 Q2 according to their latest regulatory filings, with 27 funds opening new positions, 66 increasing their positions, 41 reducing their positions, and 29 closing their positions.

New
Increased
Maintained
Reduced
Closed

more funds holding in top 10

Funds holding in top 10: →

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less ownership

Funds ownership: →

less capital invested

Capital invested by funds: $ → $

7% less first-time investments, than exits

New positions opened: 27 | Existing positions closed: 29

1% less funds holding

Funds holding: 176 → 174 (-2)

32% less call options, than puts

Call options by funds: $3.89M | Put options by funds: $5.74M

Holders
174
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$3.89M
Puts
$5.74M
Net Calls
Net Calls Change

Top Buyers

1
+$11.2M
2
+$8.88M
3
+$5.14M
4
Walleye Capital
Walleye Capital
New York
+$2.75M
5
Jacobs Levy Equity Management
Jacobs Levy Equity Management
New Jersey
+$2.43M

Top Sellers

1
-$8.23M
2
-$6.92M
3
-$5.73M
4
Millennium Management
Millennium Management
New York
-$5.15M
5
State Street
State Street
Massachusetts
-$4.63M
Name Holding Trade Value Shares
Change 		Change in
Stake
26
$1.77M
27
$1.75M
28
$1.74M
29
$1.69M
30
$1.53M
31
$1.44M
32
$1.38M
33
$1.36M
34
$1.35M
35
$1.33M
36
$1.26M
37
$1.23M
38
$1.16M
39
$1.16M
40
$1.15M
41
$1.09M
42
$1.01M
43
$987K
44
$970K
45
$961K
46
$926K
47
$894K
48
$820K
49
$819K
50
$787K
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2
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