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BLUE

bluebird bio

Delisted

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

278 hedge funds and large institutions have $3.94B invested in bluebird bio in 2020 Q2 according to their latest regulatory filings, with 71 funds opening new positions, 119 increasing their positions, 52 reducing their positions, and 39 closing their positions.

New
Increased
Maintained
Reduced
Closed

129% more repeat investments, than reductions

Existing positions increased: 119 | Existing positions reduced: 52

82% more first-time investments, than exits

New positions opened: 71 | Existing positions closed: 39

42% more capital invested

Capital invested by funds: $2.78B → $3.94B (+$1.16B)

33% more funds holding in top 10

Funds holding in top 10: 34 (+1)

13% more funds holding

Funds holding: 247278 (+31)

0.67% less ownership

Funds ownership: 8.36%7.69% (-0.67%)

14% less call options, than puts

Call options by funds: $39.6M | Put options by funds: $46.1M

Holders
278
Holders Change
+31
Holders Change %
+12.55%
% of All Funds
5.7%
Holding in Top 10
4
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+33.33%
% of All Funds
0.08%
New
71
Increased
119
Reduced
52
Closed
39
Calls
$39.6M
Puts
$46.1M
Net Calls
-$6.51M
Net Calls Change
+$4.37M
Name Holding Trade Value Shares
Change
Change in
Stake
Capital Research Global Investors
1
Capital Research Global Investors
California
$494M +$74.7M +98,998 +19%
Wellington Management Group
2
Wellington Management Group
Massachusetts
$442M +$24.4M +32,399 +6%
Vanguard Group
3
Vanguard Group
Pennsylvania
$372M +$129M +171,463 +57%
BlackRock
4
BlackRock
New York
$244M +$64.7M +85,749 +39%
Capital World Investors
5
Capital World Investors
California
$212M -$50.7M -67,175 -20%
Sands Capital Management
6
Sands Capital Management
Virginia
$191M +$609K +808 +0.3%
Royal Bank of Canada
7
Royal Bank of Canada
Ontario, Canada
$160M +$86.6M +114,776 +131%
State Street
8
State Street
Massachusetts
$100M +$5.85M +7,760 +7%
Victory Capital Management
9
Victory Capital Management
Texas
$93.5M -$112M -147,895 -56%
T. Rowe Price Associates
10
T. Rowe Price Associates
Maryland
$87.9M +$7.75M +10,280 +10%
CCM
11
Camber Capital Management
Massachusetts
$77.8M +$74.2M +98,430 New
First Trust Advisors
12
First Trust Advisors
Illinois
$71.4M +$34.4M +45,649 +102%
Capital International Investors
13
Capital International Investors
California
$68.8M +$15.6M +20,625 +31%
CC
14
Casdin Capital
New York
$67.4M
Goldman Sachs
15
Goldman Sachs
New York
$62M +$9.42M +12,498 +19%
TCM
16
TimesSquare Capital Management
New York
$57.2M +$8.81M +11,682 +19%
Fidelity Investments
17
Fidelity Investments
Massachusetts
$50.3M -$166M -220,512 -78%
Geode Capital Management
18
Geode Capital Management
Massachusetts
$46.8M +$6.24M +8,279 +16%
N
19
Nuveen
North Carolina
$44.4M +$12.1M +16,067 +40%
Baillie Gifford & Co
20
Baillie Gifford & Co
United Kingdom
$42.5M +$30.2K +40 +0.1%
CS
21
Credit Suisse
Switzerland
$40.8M +$10.3M +13,596 +36%
GGHC
22
Gilder Gagnon Howe & Co
New York
$37.4M +$3.44M +4,563 +11%
Norges Bank
23
Norges Bank
Norway
$36.2M +$6.28M +8,329 +22%
AC
24
Armistice Capital
New York
$34.7M -$4.66M -6,176 -12%
PIM
25
Platinum Investment Management
Australia
$31M +$3.19M +4,234 +12%

BLUE Hedge Fund Activity: Q2 2020 in Review

278 of the 4,878 institutional investors tracked by Wall St. Rank reported a position in bluebird bio (BLUE) for Q2 2020, worth a combined $3.94B — up 42% from $2.78B a quarter earlier.

Buyers outnumbered sellers: 71 funds opened new BLUE positions and 39 closed out — a net gain of 32 holders — while 119 added to existing stakes and 52 trimmed.

The largest buyer was Vanguard Group, adding an estimated $129M. The largest seller was Fidelity Investments, cutting an estimated $166M.

  • 278 institutional investors held bluebird bio (BLUE) as of Q2 2020, up from 247 in Q1 2020.
  • Funds reported $3.94B of bluebird bio stock for Q2 2020, up 42% quarter-over-quarter.
  • 71 funds opened new bluebird bio positions in Q2 2020 and 39 closed out, a net change of +32 holders.
  • The largest bluebird bio buyer in Q2 2020 was Vanguard Group, an estimated $129M added.
  • The largest bluebird bio seller in Q2 2020 was Fidelity Investments, an estimated $166M sold.

Based on aggregated 13F filings for Q2 2020.