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BLUE

bluebird bio

Delisted

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

0 hedge funds and large institutions have $0 invested in bluebird bio in 2025 Q3 according to their latest regulatory filings, with 0 funds opening new positions, 0 increasing their positions, 0 reducing their positions, and 3 closing their positions.

New
Increased
Maintained
Reduced
Closed

0.01% less ownership

Funds ownership: 0.01%0% (-0.01%)

100% less funds holding

Funds holding: 30 (-3)

100% less capital invested

Capital invested by funds: $6.89K → $0 (-$6.89K)

100% less first-time investments, than exits

New positions opened: 0 | Existing positions closed: 3

Holders
Holders Change
-3
Holders Change %
-100%
% of All Funds
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
3
Calls
Puts
Net Calls
Net Calls Change

Top Buyers

No buyers this quarter
Name Holding Trade Value Shares
Change
Change in
Stake
Russell Investments Group
1
Russell Investments Group
United Kingdom
-$6.89K -1,386 Closed
IA
2
IFP Advisors
Florida
-$3 -7 Closed
Barclays
3
Barclays
United Kingdom
-$4 -1 Closed

BLUE Hedge Fund Activity: Q3 2025 in Review

0 of the 7,621 institutional investors tracked by Wall St. Rank reported a position in bluebird bio (BLUE) for Q3 2025, worth a combined $0 — down 100% from $6.89K a quarter earlier.

Sellers outnumbered buyers: 3 funds closed out of BLUE and 0 opened new positions — a net loss of 3 holders — while 0 trimmed existing stakes and 0 added.

The largest seller was Russell Investments Group, exiting entirely with an estimated $6.89K sold.

  • 0 institutional investors held bluebird bio (BLUE) as of Q3 2025, down from 3 in Q2 2025.
  • Funds reported $0 of bluebird bio stock for Q3 2025, down 100% quarter-over-quarter.
  • 0 funds opened new bluebird bio positions in Q3 2025 and 3 closed out, a net change of -3 holders.
  • The largest bluebird bio seller in Q3 2025 was Russell Investments Group, an estimated $6.89K sold.

Based on aggregated 13F filings for Q3 2025.