Vault-13

BLUEBIRD BIO INC

COM · CUSIP 09609G100

3 institutional holders -137 vs Q3 2024
10,96211.0k shares reported held*
$97.9kreported value*
0 new 0 added 1 reduced 135 sold out net sold ≈ $537.6m (-61.9m shares)

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable. Implied quarter-end price ≈ $8.93.

Trends to Q4 2024

Institutional holders

Managers reporting a position, each quarter

0100200Q3 22: 162Q4 22: 185Q1 23: 180Q2 23: 177Q3 23: 170Q4 23: 189Q1 24: 160Q2 24: 152Q3 24: 140Q4 24: 33Q3 22Q1 23Q3 23Q1 24Q3 24Q4 24
Numbers
QuarterHolders
Q3 2022162
Q4 2022185
Q1 2023180
Q2 2023177
Q3 2023170
Q4 2023189
Q1 2024160
Q2 2024152
Q3 2024140
Q4 20243

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
2000200Q1 23: 95 bought or addedQ1 23: 71 cut or sold outQ2 23: 90 bought or addedQ2 23: 72 cut or sold outQ2 23Q3 23: 71 bought or addedQ3 23: 68 cut or sold outQ4 23: 109 bought or addedQ4 23: 72 cut or sold outQ4 23Q1 24: 88 bought or addedQ1 24: 91 cut or sold outQ2 24: 57 bought or addedQ2 24: 80 cut or sold outQ2 24Q3 24: 53 bought or addedQ3 24: 72 cut or sold outQ4 24: 0 bought or addedQ4 24: 136 cut or sold outQ4 24
Numbers
QuarterBought or addedCut or sold out
Q1 20239571
Q2 20239072
Q3 20237168
Q4 202310972
Q1 20248891
Q2 20245780
Q3 20245372
Q4 20240136

Calls vs puts

Options held, notional value, last 4 quarters. P/C = puts ÷ calls

CallsPuts
$0$1m$2m$3mQ1 24 calls: $1.5mQ1 24 puts: $2.5mQ1 24P/C 1.68Q2 24 calls: $757.8kQ2 24 puts: $1.3mQ2 24P/C 1.65Q3 24 calls: $295.1kQ3 24 puts: $492.2kQ3 24P/C 1.67Q4 24 calls: $0Q4 24 puts: $0Q4 24P/C —
Numbers
QuarterCallsPutsP/C
Q1 2024$1.5m$2.5m1.68
Q2 2024$757.8k$1.3m1.65
Q3 2024$295.1k$492.2k1.67
Q4 2024$0$0—

Biggest buyers

None

Biggest sellers

BlackRock, Inc. Sold out -15,443,767-15.4m
VANGUARD GROUP INC Sold out -10,474,007-10.5m
GEODE CAPITAL MANAGEMENT, LLC Sold out -4,683,042-4.7m
STATE STREET CORP Sold out -3,841,923-3.8m
FMR LLC Sold out -2,481,965-2.5m
Avidity Partners Management LP Sold out -1,631,143-1.6m
MILLENNIUM MANAGEMENT LLC Sold out -1,608,793-1.6m
NORTHERN TRUST CORP Sold out -1,535,856-1.5m
BANK OF AMERICA CORP /DE/ Sold out -1,411,743-1.4m
ExodusPoint Capital Management, LP Sold out -1,296,668-1.3m

Holders, Q4 2024

#ManagerLocationShares Value% of their portfolioChangeShares change
1 IFP Advisors, Inc 0.00% of their portfolio TAMPA, FL 10,50010.5k $94.2k $94.2k 0.00% Unchanged
2 Riggs Asset Managment Co. Inc. 0.00% of their portfolio DALLAS, PA 350350 $2.8k $2.8k 0.00% Reduced -6.7k -6,650
3 Raiffeisen Bank International AG 0.00% of their portfolio VIENNA, C4 112112 $972 $972 0.00% First filing