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BLUE

bluebird bio
BLUE

Delisted

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

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3 hedge funds and large institutions have $6.89K invested in bluebird bio in 2025 Q2 according to their latest regulatory filings, with 1 funds opening new positions, 1 increasing their positions, 1 reducing their positions, and 82 closing their positions.

New
Increased
Maintained
Reduced
Closed

0% more repeat investments, than reductions

Existing positions increased: 1 | Existing positions reduced: 1

35.93% less ownership

Funds ownership: 35.95% → 0.01% (-36%)

96% less funds holding

Funds holding: 85 → 3 (-82)

99% less first-time investments, than exits

New positions opened: 1 | Existing positions closed: 82

100% less capital invested

Capital invested by funds: $17.1M → $6.89K (-$17.1M)

100% less funds holding in top 10

Funds holding in top 10: 2 → 0 (-2)

Holders
3
Holders Change
-82
Holders Change %
-96.47%
% of All Funds
0.04%
Holding in Top 10
–
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-100%
% of All Funds
–
New
1
Increased
1
Reduced
1
Closed
82
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
Russell Investments Group
Russell Investments Group
United Kingdom
+$5.72K
2
IA
IFP Advisors
Florida
+$31

Top Sellers

Rank Fund Capital Flow
1
BlackRock
BlackRock
New York
-$3.41M
2
Vanguard Group
Vanguard Group
Pennsylvania
-$2.53M
3
TCM
Tang Capital Management
California
-$1.95M
4
Geode Capital Management
Geode Capital Management
Massachusetts
-$1.2M
5
State Street
State Street
Massachusetts
-$957K
Name Holding Trade Value Shares
Change 		Change in
Stake
BNP Paribas Financial Markets
51
BNP Paribas Financial Markets
France
– -$3.31K -679 Closed
PNC Financial Services Group
52
PNC Financial Services Group
Pennsylvania
– -$2.61K -535 Closed
Nisa Investment Advisors
53
Nisa Investment Advisors
Missouri
– -$2.04K -419 Closed
RAM
54
Riggs Asset Management
Pennsylvania
– -$1.71K -350 Closed
AB
55
Amalgamated Bank
New York
– -$2K -325 Closed
HPC
56
HM Payson & Co
Maine
– -$976 -200 Closed
SCM
57
Sterling Capital Management
North Carolina
– -$854 -175 Closed
SS
58
SBI Securities
Japan
– -$834 -171 Closed
NA
59
NewEdge Advisors
Louisiana
– -$732 -150 Closed
Optiver Holding
60
Optiver Holding
Netherlands
– -$571 -117 Closed
VWM
61
Vermillion Wealth Management
Minnesota
– -$556 -114 Closed
RBI
62
Raiffeisen Bank International
Austria
– -$547 -112 Closed
CA
63
CoreCap Advisors
Michigan
– -$439 -90 Closed
PFBT
64
Parkside Financial Bank & Trust
Missouri
– -$415 -85 Closed
RIL
65
Rothschild Investment LLC
Illinois
– -$293 -60 Closed
ACM
66
Accent Capital Management
Ohio
– -$244 -50 Closed
AWM
67
Activest Wealth Management
Florida
– -$244 -50 Closed
GI
68
GAMMA Investing
California
– -$146 -30 Closed
SPIA
69
Steward Partners Investment Advisory
New York
– -$98 -20 Closed
Jones Financial Companies
70
Jones Financial Companies
Missouri
– -$73 -18 Closed
HWM
71
HighMark Wealth Management
Minnesota
– -$54 -11 Closed
TCOV
72
Trust Company of Vermont
Vermont
– -$54 -11 Closed
Northwestern Mutual Wealth Management
73
Northwestern Mutual Wealth Management
Wisconsin
– -$49 -10 Closed
TFA
74
Toth Financial Advisory
Virginia
– -$49 -10 Closed
TC
75
Truvestments Capital
Florida
– -$29 -6 Closed
1 2
3
4

BLUE Hedge Fund Activity: Q2 2025 in Review

3 of the 7,596 institutional investors tracked by Wall St. Rank reported a position in bluebird bio (BLUE) for Q2 2025, worth a combined $6.89K — down 100% from $17.1M a quarter earlier.

Sellers outnumbered buyers: 82 funds closed out of BLUE and 1 opened new positions — a net loss of 81 holders — while 1 trimmed existing stakes and 1 added.

The largest buyer was Russell Investments Group, adding an estimated $5.72K. The largest seller was BlackRock, exiting entirely with an estimated $3.41M sold.

  • 3 institutional investors held bluebird bio (BLUE) as of Q2 2025, down from 85 in Q1 2025.
  • Funds reported $6.89K of bluebird bio stock for Q2 2025, down 100% quarter-over-quarter.
  • 1 fund opened new bluebird bio positions in Q2 2025 and 82 closed out, a net change of -81 holders.
  • The largest bluebird bio buyer in Q2 2025 was Russell Investments Group, an estimated $5.72K added.
  • The largest bluebird bio seller in Q2 2025 was BlackRock, an estimated $3.41M sold.

Based on aggregated 13F filings for Q2 2025.