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BLUE

bluebird bio

Delisted

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

241 hedge funds and large institutions have $5.87B invested in bluebird bio in 2019 Q3 according to their latest regulatory filings, with 24 funds opening new positions, 81 increasing their positions, 78 reducing their positions, and 54 closing their positions.

New
Increased
Maintained
Reduced
Closed

100% more funds holding in top 10

Funds holding in top 10: 12 (+1)

4% more repeat investments, than reductions

Existing positions increased: 81 | Existing positions reduced: 78

0.21% more ownership

Funds ownership: 8.72%8.93% (+0.21%)

12% less funds holding

Funds holding: 273241 (-32)

21% less call options, than puts

Call options by funds: $81.7M | Put options by funds: $103M

26% less capital invested

Capital invested by funds: $7.92B → $5.87B (-$2.05B)

56% less first-time investments, than exits

New positions opened: 24 | Existing positions closed: 54

Holders
241
Holders Change
-32
Holders Change %
-11.72%
% of All Funds
5.28%
Holding in Top 10
2
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+100%
% of All Funds
0.04%
New
24
Increased
81
Reduced
78
Closed
54
Calls
$81.7M
Puts
$103M
Net Calls
-$21.7M
Net Calls Change
+$9.31M
Name Holding Trade Value Shares
Change
Change in
Stake
Fidelity Investments
1
Fidelity Investments
Massachusetts
$717M -$53.8M -35,238 -6%
Wellington Management Group
2
Wellington Management Group
Massachusetts
$687M +$27.1M +17,747 +3%
Capital Research Global Investors
3
Capital Research Global Investors
California
$622M +$11.4M +7,462 +1%
Capital International Investors
4
Capital International Investors
California
$500M +$41.4M +27,124 +7%
Capital World Investors
5
Capital World Investors
California
$477M +$93.2M +61,053 +18%
Vanguard Group
6
Vanguard Group
Pennsylvania
$347M -$3.04M -1,993 -0.7%
Baillie Gifford & Co
7
Baillie Gifford & Co
United Kingdom
$317M -$90.5M -59,268 -18%
BlackRock
8
BlackRock
New York
$269M +$3.37M +2,208 +1%
Sands Capital Management
9
Sands Capital Management
Virginia
$200M +$126M +82,730 +97%
Victory Capital Management
10
Victory Capital Management
Texas
$157M +$112M +73,617 +127%
T. Rowe Price Associates
11
T. Rowe Price Associates
Maryland
$121M -$12.2M -8,008 -7%
State Street
12
State Street
Massachusetts
$120M +$15.4M +10,095 +11%
Invesco
13
Invesco
Georgia
$95.4M -$1.71M -1,121 -1%
Geode Capital Management
14
Geode Capital Management
Massachusetts
$56.8M +$298K +195 +0.4%
CC
15
Casdin Capital
New York
$56.2M +$28.3M +18,528 +64%
CS
16
Credit Suisse
Switzerland
$48.5M +$20.8M +13,648 +50%
Goldman Sachs
17
Goldman Sachs
New York
$48M -$25.8M -16,911 -30%
HM
18
HealthCor Management
New York
$46.6M +$16.4M +10,730 +38%
Norges Bank
19
Norges Bank
Norway
$43.6M
American Century Companies
20
American Century Companies
Missouri
$42.5M -$7.1M -4,651 -12%
First Trust Advisors
21
First Trust Advisors
Illinois
$40.3M -$47.6M -31,154 -48%
N
22
Nuveen
North Carolina
$37.8M -$744K -487 -2%
UBS AM
23
UBS AM
Illinois
$37.7M +$6.16M +4,037 +15%
CII
24
Capital International Inc
California
$33.9M +$39.2M +25,690 +908%
Fiera Capital (Canada)
25
Fiera Capital (Canada)
Quebec, Canada
$32.9M +$1.44M +940 +4%

BLUE Hedge Fund Activity: Q3 2019 in Review

241 of the 4,561 institutional investors tracked by Wall St. Rank reported a position in bluebird bio (BLUE) for Q3 2019, worth a combined $5.87B — down 26% from $7.92B a quarter earlier.

Sellers outnumbered buyers: 54 funds closed out of BLUE and 24 opened new positions — a net loss of 30 holders — while 78 trimmed existing stakes and 81 added.

The largest buyer was Sands Capital Management, adding an estimated $126M. The largest seller was Baillie Gifford & Co, cutting an estimated $90.5M.

  • 241 institutional investors held bluebird bio (BLUE) as of Q3 2019, down from 273 in Q2 2019.
  • Funds reported $5.87B of bluebird bio stock for Q3 2019, down 26% quarter-over-quarter.
  • 24 funds opened new bluebird bio positions in Q3 2019 and 54 closed out, a net change of -30 holders.
  • The largest bluebird bio buyer in Q3 2019 was Sands Capital Management, an estimated $126M added.
  • The largest bluebird bio seller in Q3 2019 was Baillie Gifford & Co, an estimated $90.5M sold.

Based on aggregated 13F filings for Q3 2019.