We are live on ! Find out more
BLUE

bluebird bio
BLUE

Delisted

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

Back to rankings

67 hedge funds and large institutions have $236M invested in bluebird bio in 2013 Q3 according to their latest regulatory filings, with 62 funds opening new positions, 2 increasing their positions, 2 reducing their positions, and 1 closing their positions.

New
Increased
Maintained
Reduced
Closed

6,100% more first-time investments, than exits

New positions opened: 62 | Existing positions closed: 1

1,451% more capital invested

Capital invested by funds: $15.2M → $236M (+$221M)

1,017% more funds holding

Funds holding: 6 → 67 (+61)

0% more repeat investments, than reductions

Existing positions increased: 2 | Existing positions reduced: 2

Holders
67
Holders Change
+61
Holders Change %
+1,016.67%
% of All Funds
2.17%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
62
Increased
2
Reduced
2
Closed
1
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
Fidelity Investments
Fidelity Investments
Massachusetts
+$44.9M
2
Capital Research Global Investors
Capital Research Global Investors
California
+$29.6M
3
WRF
Waddell & Reed Financial
Kansas
+$25.8M
4
Jennison Associates
Jennison Associates
New York
+$17.4M
5
RCM
RA Capital Management
Massachusetts
+$13.4M

Top Sellers

Rank Fund Capital Flow
1
Citadel Advisors
Citadel Advisors
Florida
-$1.25M
2
EEG
E.E. Geduld
-$452K
3
Ameriprise
Ameriprise
Minnesota
-$2.97K
Name Holding Trade Value Shares
Change 		Change in
Stake
Nomura Holdings
51
Nomura Holdings
Japan
$237K +$251K +677 New
MLICM
52
Metropolitan Life Insurance Company (MetLife)
New York
$218K +$232K +624 New
TA
53
Teachers Advisors
New York
$173K +$184K +496 New
PIM
54
Partner Investment Management
California
$164K +$175K +470 New
GH
55
GAM Holding
Switzerland
$108K +$115K +309 New
SO
56
STRS Ohio
Ohio
$84K +$88.8K +239 New
NFA
57
Nationwide Fund Advisors
Ohio
$55K +$58.3K +157 New
MAA
58
Managed Account Advisors
New Jersey
$43K +$45.7K +123 New
U
59
UBS
Switzerland
$30K +$31.9K +86 New
Wells Fargo
60
Wells Fargo
California
$22K +$23K +62 New
Barclays
61
Barclays
United Kingdom
$15K +$16.7K +45 New
Citigroup
62
Citigroup
New York
$8K +$8.54K +23 New
TRCT
63
Tower Research Capital (TRC)
New York
$7K +$7.8K +21 New
ClearBridge Investments
64
ClearBridge Investments
New York
$6K +$6.68K +18 New
BlackRock
65
BlackRock
New York
$4K +$4.08K +11 New
AllianceBernstein
66
AllianceBernstein
Tennessee
$2K +$1.49K +4 New
Manulife (Manufacturers Life Insurance)
67
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$4 +$4.08K +11 New
Citadel Advisors
68
Citadel Advisors
Florida
– -$1.25M -3,859 Closed
1 2
3

BLUE Hedge Fund Activity: Q3 2013 in Review

67 of the 3,084 institutional investors tracked by Wall St. Rank reported a position in bluebird bio (BLUE) for Q3 2013, worth a combined $236M — up 1,451% from $15.2M a quarter earlier.

Buyers outnumbered sellers: 62 funds opened new BLUE positions and 1 closed out — a net gain of 61 holders — while 2 added to existing stakes and 2 trimmed.

The largest buyer was Fidelity Investments, opening a new position worth an estimated $44.9M. The largest seller was Citadel Advisors, exiting entirely with an estimated $1.25M sold.

  • 67 institutional investors held bluebird bio (BLUE) as of Q3 2013, up from 6 in Q2 2013.
  • Funds reported $236M of bluebird bio stock for Q3 2013, up 1,451% quarter-over-quarter.
  • 62 funds opened new bluebird bio positions in Q3 2013 and 1 closed out, a net change of +61 holders.
  • The largest bluebird bio buyer in Q3 2013 was Fidelity Investments, an estimated $44.9M added.
  • The largest bluebird bio seller in Q3 2013 was Citadel Advisors, an estimated $1.25M sold.

Based on aggregated 13F filings for Q3 2013.