We are live on ! Find out more
BLUE

bluebird bio
BLUE

Delisted

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

Back to rankings

274 hedge funds and large institutions have $5.27B invested in bluebird bio in 2019 Q4 according to their latest regulatory filings, with 69 funds opening new positions, 92 increasing their positions, 70 reducing their positions, and 34 closing their positions.

New
Increased
Maintained
Reduced
Closed

103% more first-time investments, than exits

New positions opened: 69 | Existing positions closed: 34

50% more funds holding in top 10

Funds holding in top 10: 2 → 3 (+1)

44% more call options, than puts

Call options by funds: $103M | Put options by funds: $71.3M

31% more repeat investments, than reductions

Existing positions increased: 92 | Existing positions reduced: 70

14% more funds holding

Funds holding: 241 → 274 (+33)

0.54% less ownership

Funds ownership: 8.93% → 8.39% (-0.54%)

10% less capital invested

Capital invested by funds: $5.87B → $5.27B (-$597M)

Holders
274
Holders Change
+33
Holders Change %
+13.69%
% of All Funds
5.4%
Holding in Top 10
3
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+50%
% of All Funds
0.06%
New
69
Increased
92
Reduced
70
Closed
34
Calls
$103M
Puts
$71.3M
Net Calls
+$31.2M
Net Calls Change
+$52.9M

Top Buyers

Rank Fund Capital Flow
1
Sands Capital Management
Sands Capital Management
Virginia
+$83.6M
2
Citadel Advisors
Citadel Advisors
Florida
+$48.3M
3
TCM
TimesSquare Capital Management
New York
+$46.2M
4
GGHC
Gilder Gagnon Howe & Co
New York
+$40.1M
5
Goldman Sachs
Goldman Sachs
New York
+$30.1M

Top Sellers

Rank Fund Capital Flow
1
Capital International Investors
Capital International Investors
California
-$331M
2
Baillie Gifford & Co
Baillie Gifford & Co
United Kingdom
-$232M
3
Fidelity Investments
Fidelity Investments
Massachusetts
-$142M
4
Invesco
Invesco
Georgia
-$75.9M
5
CII
Capital International Inc
California
-$29.9M
Name Holding Trade Value Shares
Change 		Change in
Stake
BJL
101
Brighton Jones LLC
Washington
$2.16M – – –
VanEck Associates
102
VanEck Associates
New York
$2.08M +$205K +189 +12%
PI
103
PEAK6 Investments
Illinois
$2M +$1.91M +1,755 New
FAM
104
Fred Alger Management
New York
$1.91M +$1.82M +1,676 New
Group One Trading
105
Group One Trading
Illinois
$1.85M -$121K -111 -6%
SGH
106
Sivik Global Healthcare
Connecticut
$1.75M +$1.68M +1,544 New
UR
107
USCA RIA
Texas
$1.75M +$542K +499 +48%
RA
108
Royce & Associates
New York
$1.67M +$1.59M +1,467 New
Ohio Public Employees Retirement System (OPERS)
109
Ohio Public Employees Retirement System (OPERS)
Ohio
$1.66M -$23.9K -22 -1%
HT
110
HAP Trading
New York
$1.65M +$1.58M +1,450 New
VIA
111
Vident Investment Advisory
Georgia
$1.62M +$597K +549 +62%
SEI Investments
112
SEI Investments
Pennsylvania
$1.61M +$1.04M +954 +207%
BG
113
Bellevue Group
Switzerland
$1.61M +$1.54M +1,413 New
TMAM
114
Tokio Marine Asset Management
Japan
$1.53M – – –
IBT
115
International Biotechnology Trust
United Kingdom
$1.49M – – –
AG
116
Aperio Group
California
$1.47M +$387K +356 +38%
UBS Group
117
UBS Group
Switzerland
$1.42M -$4.77M -4,390 -78%
Macquarie Group
118
Macquarie Group
Australia
$1.4M +$179K +165 +15%
Allianz Asset Management
119
Allianz Asset Management
Germany
$1.34M -$1.88M -1,725 -59%
SSA
120
Schonfeld Strategic Advisors
New York
$1.33M +$1.27M +1,166 New
WM
121
WS Management
Florida
$1.27M – – –
Bank of Montreal
122
Bank of Montreal
Ontario, Canada
$1.26M +$397K +365 +49%
CRC
123
Curi RMB Capital
Illinois
$1.26M -$25K -23 -2%
PA
124
Profund Advisors
Maryland
$1.25M +$123K +113 +12%
BNP Paribas Financial Markets
125
BNP Paribas Financial Markets
France
$1.24M -$4.19M -3,850 -78%
3 4
5
6 7

BLUE Hedge Fund Activity: Q4 2019 in Review

274 of the 5,076 institutional investors tracked by Wall St. Rank reported a position in bluebird bio (BLUE) for Q4 2019, worth a combined $5.27B — down 10% from $5.87B a quarter earlier.

Buyers outnumbered sellers: 69 funds opened new BLUE positions and 34 closed out — a net gain of 35 holders — while 92 added to existing stakes and 70 trimmed.

The largest buyer was Sands Capital Management, adding an estimated $83.6M. The largest seller was Capital International Investors, cutting an estimated $331M.

  • 274 institutional investors held bluebird bio (BLUE) as of Q4 2019, up from 241 in Q3 2019.
  • Funds reported $5.27B of bluebird bio stock for Q4 2019, down 10% quarter-over-quarter.
  • 69 funds opened new bluebird bio positions in Q4 2019 and 34 closed out, a net change of +35 holders.
  • The largest bluebird bio buyer in Q4 2019 was Sands Capital Management, an estimated $83.6M added.
  • The largest bluebird bio seller in Q4 2019 was Capital International Investors, an estimated $331M sold.

Based on aggregated 13F filings for Q4 2019.