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Mangrove Partners

SEC CIK
0001535392
Latest filing
Aug 14, 2026

BLUE holding history

bluebird bio, Inc. in every 13F filed by Mangrove Partners, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

BLUE overviewAll 13F holders of BLUEFull Q2 2026 holdings

Shares (Q1 2022)
0
Sold out in Q1 2022
Value
$0
% of portfolio
0.0%
Quarters held
4
Since Q1 2021
Holdings of BLUE by Mangrove Partners, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q1 20220$00.0%−170,787−100.0%Sold outHolders
Q4 2021170,787$1.71M0.1%−4,800−2.7%ReducedHolders
Q3 2021175,587$3.35M0.4%+24,414+16.1%AddedHolders
Q2 2021151,173$4.83M0.5%−24,005−13.7%ReducedHolders
Q1 2021175,178$5.28M0.6%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.