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BLUE

bluebird bio

Delisted

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

140 hedge funds and large institutions have $32.9M invested in bluebird bio in 2024 Q3 according to their latest regulatory filings, with 16 funds opening new positions, 39 increasing their positions, 44 reducing their positions, and 26 closing their positions.

New
Increased
Maintained
Reduced
Closed

0.42% less ownership

Funds ownership: 2.04%1.62% (-0.42%)

7% less funds holding

Funds holding: 150140 (-10)

11% less repeat investments, than reductions

Existing positions increased: 39 | Existing positions reduced: 44

38% less first-time investments, than exits

New positions opened: 16 | Existing positions closed: 26

40% less call options, than puts

Call options by funds: $295K | Put options by funds: $492K

58% less capital invested

Capital invested by funds: $78.4M → $32.9M (-$45.6M)

Holders
140
Holders Change
-10
Holders Change %
-6.67%
% of All Funds
2.01%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
16
Increased
39
Reduced
44
Closed
26
Calls
$295K
Puts
$492K
Net Calls
-$197K
Net Calls Change
+$298K

BLUE Hedge Fund Activity: Q3 2024 in Review

140 of the 6,964 institutional investors tracked by Wall St. Rank reported a position in bluebird bio (BLUE) for Q3 2024, worth a combined $32.9M — down 58% from $78.4M a quarter earlier.

Sellers outnumbered buyers: 26 funds closed out of BLUE and 16 opened new positions — a net loss of 10 holders — while 44 trimmed existing stakes and 39 added.

The largest buyer was Avidity Partners Management, opening a new position worth an estimated $1.36M. The largest seller was Ameriprise, exiting entirely with an estimated $6.29M sold.

  • 140 institutional investors held bluebird bio (BLUE) as of Q3 2024, down from 150 in Q2 2024.
  • Funds reported $32.9M of bluebird bio stock for Q3 2024, down 58% quarter-over-quarter.
  • 16 funds opened new bluebird bio positions in Q3 2024 and 26 closed out, a net change of -10 holders.
  • The largest bluebird bio buyer in Q3 2024 was Avidity Partners Management, an estimated $1.36M added.
  • The largest bluebird bio seller in Q3 2024 was Ameriprise, an estimated $6.29M sold.

Based on aggregated 13F filings for Q3 2024.