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BLUE

bluebird bio

Delisted

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

275 hedge funds and large institutions have $3.41B invested in bluebird bio in 2020 Q3 according to their latest regulatory filings, with 40 funds opening new positions, 100 increasing their positions, 85 reducing their positions, and 42 closing their positions.

New
Increased
Maintained
Reduced
Closed

18% more repeat investments, than reductions

Existing positions increased: 100 | Existing positions reduced: 85

3% more call options, than puts

Call options by funds: $55.7M | Put options by funds: $54.3M

0.31% less ownership

Funds ownership: 7.69%7.39% (-0.31%)

5% less first-time investments, than exits

New positions opened: 40 | Existing positions closed: 42

1% less funds holding

Funds holding: 278275 (-3)

13% less capital invested

Capital invested by funds: $3.94B → $3.41B (-$526M)

75% less funds holding in top 10

Funds holding in top 10: 41 (-3)

Holders
275
Holders Change
-3
Holders Change %
-1.08%
% of All Funds
5.55%
Holding in Top 10
1
Holding in Top 10 Change
-3
Holding in Top 10 Change %
-75%
% of All Funds
0.02%
New
40
Increased
100
Reduced
85
Closed
42
Calls
$55.7M
Puts
$54.3M
Net Calls
+$1.4M
Net Calls Change
+$7.91M
Name Holding Trade Value Shares
Change
Change in
Stake
Capital Research Global Investors
1
Capital Research Global Investors
California
$437M +$275K +352 +0.1%
Wellington Management Group
2
Wellington Management Group
Massachusetts
$389M -$1.67M -2,143 -0.4%
Vanguard Group
3
Vanguard Group
Pennsylvania
$341M +$13.5M +17,306 +4%
BlackRock
4
BlackRock
New York
$201M -$15.7M -20,123 -7%
Capital World Investors
5
Capital World Investors
California
$187M +$45.2K +58 +0%
Sands Capital Management
6
Sands Capital Management
Virginia
$172M +$3.92M +5,030 +2%
Royal Bank of Canada
7
Royal Bank of Canada
Ontario, Canada
$156M +$15.9M +20,325 +10%
State Street
8
State Street
Massachusetts
$92.9M +$4.81M +6,171 +5%
Victory Capital Management
9
Victory Capital Management
Texas
$81M -$1.85M -2,372 -2%
First Trust Advisors
10
First Trust Advisors
Illinois
$62.3M -$926K -1,188 -1%
Capital International Investors
11
Capital International Investors
California
$60.8M
CCM
12
Camber Capital Management
Massachusetts
$59.3M -$10.5M -13,510 -14%
T. Rowe Price Associates
13
T. Rowe Price Associates
Maryland
$52M -$28.7M -36,842 -33%
CC
14
Casdin Capital
New York
$49.4M -$11.4M -14,668 -17%
TCM
15
TimesSquare Capital Management
New York
$43.6M -$7.81M -10,020 -14%
AC
16
Armistice Capital
New York
$43.2M +$14M +17,910 +41%
Geode Capital Management
17
Geode Capital Management
Massachusetts
$41.1M -$299K -384 -0.6%
Goldman Sachs
18
Goldman Sachs
New York
$38.7M -$17.9M -22,932 -29%
Baillie Gifford & Co
19
Baillie Gifford & Co
United Kingdom
$38.1M +$659K +845 +2%
Norges Bank
20
Norges Bank
Norway
$38M +$6.7M +8,590 +19%
CS
21
Credit Suisse
Switzerland
$35.7M -$383K -491 -1%
N
22
Nuveen
North Carolina
$33.5M -$6.36M -8,150 -15%
PIM
23
Platinum Investment Management
Australia
$27.4M
GGHC
24
Gilder Gagnon Howe & Co
New York
$23.8M -$10.3M -13,188 -28%
Jacobs Levy Equity Management
25
Jacobs Levy Equity Management
New Jersey
$23.4M +$10.2M +13,109 +64%

BLUE Hedge Fund Activity: Q3 2020 in Review

275 of the 4,957 institutional investors tracked by Wall St. Rank reported a position in bluebird bio (BLUE) for Q3 2020, worth a combined $3.41B — down 13% from $3.94B a quarter earlier.

Sellers outnumbered buyers: 42 funds closed out of BLUE and 40 opened new positions — a net loss of 2 holders — while 85 trimmed existing stakes and 100 added.

The largest buyer was Massachusetts Financial Services, opening a new position worth an estimated $20.5M. The largest seller was Fidelity Investments, cutting an estimated $46.9M.

  • 275 institutional investors held bluebird bio (BLUE) as of Q3 2020, down from 278 in Q2 2020.
  • Funds reported $3.41B of bluebird bio stock for Q3 2020, down 13% quarter-over-quarter.
  • 40 funds opened new bluebird bio positions in Q3 2020 and 42 closed out, a net change of -2 holders.
  • The largest bluebird bio buyer in Q3 2020 was Massachusetts Financial Services, an estimated $20.5M added.
  • The largest bluebird bio seller in Q3 2020 was Fidelity Investments, an estimated $46.9M sold.

Based on aggregated 13F filings for Q3 2020.