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BLUE

bluebird bio

Delisted

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

81 hedge funds and large institutions have $378M invested in bluebird bio in 2013 Q4 according to their latest regulatory filings, with 26 funds opening new positions, 32 increasing their positions, 16 reducing their positions, and 12 closing their positions.

New
Increased
Maintained
Reduced
Closed

117% more first-time investments, than exits

New positions opened: 26 | Existing positions closed: 12

100% more repeat investments, than reductions

Existing positions increased: 32 | Existing positions reduced: 16

60% more capital invested

Capital invested by funds: $236M → $378M (+$142M)

21% more funds holding

Funds holding: 6781 (+14)

Holders
81
Holders Change
+14
Holders Change %
+20.9%
% of All Funds
2.35%
Holding in Top 10
2
Holding in Top 10 Change
+2
Holding in Top 10 Change %
% of All Funds
0.06%
New
26
Increased
32
Reduced
16
Closed
12
Calls
Puts
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
WC
51
Woodstock Corp
Massachusetts
$365K +$88.3K +316 +31%
Deutsche Bank
52
Deutsche Bank
Germany
$335K -$409K -1,465 -54%
Charles Schwab
53
Charles Schwab
California
$309K +$9.22K +33 +3%
MWNA
54
Marshall Wace North America
New York
$267K -$48.6K -174 -15%
California State Teachers Retirement System (CalSTRS)
55
California State Teachers Retirement System (CalSTRS)
California
$260K +$55.9K +200 +26%
ProShare Advisors
56
ProShare Advisors
Maryland
$229K +$236K +844 New
HHC
57
Hutchin Hill Capital
New York
$210K -$190K -679 -47%
TA
58
Teachers Advisors
New York
$198K +$64.8K +232 +47%
PIM
59
Partner Investment Management
California
$195K +$69K +247 +53%
MCM
60
Mazama Capital Management
Oregon
$134K -$793K -2,839 -85%
Wells Fargo
61
Wells Fargo
California
$116K +$102K +366 +590%
NFA
62
Nationwide Fund Advisors
Ohio
$109K +$67.6K +242 +154%
MAA
63
Managed Account Advisors
New Jersey
$107K +$75.7K +271 +220%
Citigroup
64
Citigroup
New York
$104K +$101K +362 +1,574%
AIG
65
American International Group
New York
$95.1K +$97.8K +350 New
Swiss National Bank
66
Swiss National Bank
Switzerland
$90K +$92.8K +332 New
Morgan Stanley
67
Morgan Stanley
New York
$82K -$193K -691 -69%
U
68
UBS
Switzerland
$60K +$37.7K +135 +157%
SF
69
Synovus Financial
Georgia
$42K +$43K +154 New
Fifth Third Bancorp
70
Fifth Third Bancorp
Ohio
$39K +$40.5K +145 New
TAM
71
Tocqueville Asset Management
New York
$34K +$34.6K +124 New
TRCT
72
Tower Research Capital (TRC)
New York
$24K +$18.4K +66 +314%
Teacher Retirement System of Texas
73
Teacher Retirement System of Texas
Texas
$6K +$5.87K +21 New
ClearBridge Investments
74
ClearBridge Investments
New York
$5K
Barclays
75
Barclays
United Kingdom
$3K -$8.94K -32 -71%

BLUE Hedge Fund Activity: Q4 2013 in Review

81 of the 3,446 institutional investors tracked by Wall St. Rank reported a position in bluebird bio (BLUE) for Q4 2013, worth a combined $378M — up 60% from $236M a quarter earlier.

Buyers outnumbered sellers: 26 funds opened new BLUE positions and 12 closed out — a net gain of 14 holders — while 32 added to existing stakes and 16 trimmed.

The largest buyer was Fidelity Investments, adding an estimated $43.1M. The largest seller was OrbiMed, exiting entirely with an estimated $6M sold.

  • 81 institutional investors held bluebird bio (BLUE) as of Q4 2013, up from 67 in Q3 2013.
  • Funds reported $378M of bluebird bio stock for Q4 2013, up 60% quarter-over-quarter.
  • 26 funds opened new bluebird bio positions in Q4 2013 and 12 closed out, a net change of +14 holders.
  • The largest bluebird bio buyer in Q4 2013 was Fidelity Investments, an estimated $43.1M added.
  • The largest bluebird bio seller in Q4 2013 was OrbiMed, an estimated $6M sold.

Based on aggregated 13F filings for Q4 2013.