Vault-13

BLUEBIRD BIO INC

COM · CUSIP 09609G100

152 institutional holders -8 vs Q1 2024
79,474,68779.5m shares reported held*
$79.3mreported value*
19 new 38 added 50 reduced 30 sold out net sold ≈ $28.8m (-29.2m 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 ($20.2k this quarter). Holder counts are more reliable. Implied quarter-end price ≈ $1.00. Options: 8 managers hold calls ($757.8k notional), 6 hold puts ($1.3m).

Trends to Q2 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: 152152Q3 22Q1 23Q3 23Q1 24Q2 24
Numbers
QuarterHolders
Q3 2022162
Q4 2022185
Q1 2023180
Q2 2023177
Q3 2023170
Q4 2023189
Q1 2024160
Q2 2024152

Buyers vs sellers

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

Bought or addedCut or sold out
2000200Q4 22: 102 bought or addedQ4 22: 64 cut or sold outQ4 22Q1 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 24
Numbers
QuarterBought or addedCut or sold out
Q4 202210264
Q1 20239571
Q2 20239072
Q3 20237168
Q4 202310972
Q1 20248891
Q2 20245780

Calls vs puts

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

CallsPuts
$0$2m$4m$6mQ3 23 calls: $4.4mQ3 23 puts: $5.6mQ3 23P/C 1.25Q4 23 calls: $5.4mQ4 23 puts: $5.3mQ4 23P/C 0.97Q1 24 calls: $1.5mQ1 24 puts: $2.5mQ1 24P/C 1.68Q2 24 calls: $757.8kQ2 24 puts: $1.3mQ2 24P/C 1.65
Numbers
QuarterCallsPutsP/C
Q3 2023$4.4m$5.6m1.25
Q4 2023$5.4m$5.3m0.97
Q1 2024$1.5m$2.5m1.68
Q2 2024$757.8k$1.3m1.65

Biggest buyers

AQR CAPITAL MANAGEMENT LLC Added +1,013,144+1.0m
DEUTSCHE BANK AG\ Added +443,240+443.2k
STATE STREET CORP Added +370,406+370.4k
Summit X, LLC Added +352,688+352.7k
JACOBS LEVY EQUITY MANAGEMENT, INC New +332,696+332.7k
JANE STREET GROUP, LLC Added +293,208+293.2k
Virtu Financial LLC New +277,771+277.8k
BlackRock Inc. Added +263,650+263.6k
Balyasny Asset Management L.P. New +227,005+227.0k
GEODE CAPITAL MANAGEMENT, LLC Added +198,004+198.0k

Biggest sellers

Granahan Investment Management, LLC Sold out -7,711,669-7.7m
MORGAN STANLEY Reduced -3,320,528-3.3m
JPMORGAN CHASE & CO Reduced -2,594,650-2.6m
TANG CAPITAL MANAGEMENT LLC Sold out -2,500,000-2.5m
PFM Health Sciences, LP Sold out -2,042,651-2.0m
TWO SIGMA INVESTMENTS, LP Reduced -1,866,065-1.9m
Frazier Life Sciences Management, L.P. Sold out -1,709,907-1.7m
RENAISSANCE TECHNOLOGIES LLC Reduced -1,396,196-1.4m
Alyeska Investment Group, L.P. Sold out -1,255,937-1.3m
Hudson Bay Capital Management LP Sold out -1,180,115-1.2m

Biggest calls

SUSQUEHANNA INTERNATIONAL GROUP, LLP Reduced $251.6k256.7k shares
CITADEL ADVISORS LLC Added $192.7k195.8k shares
GROUP ONE TRADING LLC Reduced $177.3k180.1k shares
SIMPLEX TRADING, LLC Reduced $53.0k54.2k shares
GTS SECURITIES LLC Reduced $45.5k46.2k shares
WOLVERINE TRADING, LLC Reduced $26.2k26.6k shares
JANE STREET GROUP, LLC Reduced $11.6k11.8k shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $00 shares

Biggest puts

GROUP ONE TRADING LLC Added $480.1k487.8k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP Reduced $331.2k338.0k shares
CITADEL ADVISORS LLC Reduced $226.4k230.0k shares
SIMPLEX TRADING, LLC Reduced $153.0k155.7k shares
GTS SECURITIES LLC Reduced $62.8k63.8k shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $00 shares

Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.

Holders, Q2 2024

#ManagerLocationShares Value% of their portfolioChangeShares change
1 BlackRock Inc. 0.00% of their portfolio New York, NY 15,442,21215.4m $15.2m $15.2m 0.00% Added +263.6k +263,650
2 VANGUARD GROUP INC 0.00% of their portfolio Valley Forge, PA 10,301,30010.3m $10.1m $10.1m 0.00% Reduced -197.2k -197,160
3 AMERIPRISE FINANCIAL INC 0.00% of their portfolio MINNEAPOLIS, MN 6,391,6376.4m $6.3m $6.3m 0.00% Reduced -561 -561
4 MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 5,146,6535.1m $5.1m $5.1m 0.00% Reduced -1.1m -1,092,888
5 Palo Alto Investors LP 0.53% of their portfolio PALO ALTO, CA 4,633,3514.6m $4.6m $4.6m 0.53% Added +73.2k +73,180
6 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 4,516,2714.5m $4.4m $4.4m 0.00% Added +198.0k +198,004
7 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 3,798,5413.8m $3.7m $3.7m 0.00% Added +370.4k +370,406
8 FMR LLC 0.00% of their portfolio BOSTON, MA 2,295,0622.3m $2.3m $2.3m 0.00% Reduced -85.5k -85,548
9 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 1,615,3211.6m $1.6m $1.6m 0.00% Reduced -5.9k -5,909
10 AQR CAPITAL MANAGEMENT LLC 0.00% of their portfolio Greenwich, CT 1,334,5191.3m $1.2m $1.2m 0.00% Added +1.0m +1,013,144
11 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 1,280,4551.3m $1.3m $1.3m 0.00% Reduced -14.7k -14,718
12 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 1,271,5021.3m $1.3m $1.3m 0.00% Reduced -2.6m -2,594,650
13 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 1,173,5701.2m $1.2m $1.2m 0.00% Added +443.2k +443,240
14 JANE STREET GROUP, LLC 0.00% of their portfolio NEW YORK, NY 1,097,9781.1m $1.1m $1.1m 0.00% Added +293.2k +293,208
15 Bleichroeder LP 0.30% of their portfolio NEW YORK, NY 1,037,3791.0m $1.0m $1.0m 0.30% Unchanged
16 MASTERS CAPITAL MANAGEMENT LLC 0.17% of their portfolio ATLANTA, GA 975,000975.0k $959.6k $959.6k 0.17% Reduced -25.0k -25,000
17 Woodline Partners LP 0.01% of their portfolio San Francisco, CA 969,336969.3k $954.0k $954.0k 0.01% Reduced -5.8k -5,826
18 TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio NEW YORK, NY 907,977908.0k $893.6k $893.6k 0.00% Reduced -1.9m -1,866,065
19 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio BALA CYNWYD, PA 901,933901.9k $887.7k $887.7k 0.00% Reduced -431.4k -431,366
20 TWO SIGMA ADVISERS, LP 0.00% of their portfolio NEW YORK, NY 846,200846.2k $832.8k $832.8k 0.00% Reduced -314.6k -314,600
21 RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio NEW YORK, NY 791,504791.5k $779.0k $779.0k 0.00% Reduced -1.4m -1,396,196
22 DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio AUSTIN, TX 748,299748.3k $736.4k $736.4k 0.00% Reduced -899.2k -899,247
23 Bank of New York Mellon Corp 0.00% of their portfolio NEW YORK, NY 685,757685.8k $674.9k $674.9k 0.00% Added +111.6k +111,574
24 Lion Point Capital, LP 2.09% of their portfolio NEW YORK, NY 678,256678.3k $667.5k $667.5k 2.09% Reduced -170.0k -170,000
25 Birchview Capital, LP 0.28% of their portfolio BURLINGTON, VT 622,400622.4k $612.6k $612.6k 0.28% Reduced -20.0k -20,000
26 Summit X, LLC 0.13% of their portfolio CHESTERFIELD, MO 582,461582.5k $577.5k $577.5k 0.13% Added +352.7k +352,688
27 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio SAN FRANCISCO, CA 554,183554.2k $545.4k $545.4k 0.00% Added +31.7k +31,725
28 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 516,034516.0k $507.9k $507.9k 0.00% Reduced -3.3m -3,320,528
29 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% of their portfolio CAUSEWAY BAY, K3 457,420457.4k $450.2k $450.2k 0.00% First filing
30 Nuveen Asset Management, LLC 0.00% of their portfolio CHICAGO, IL 409,857409.9k $403.4k $403.4k 0.00% Unchanged
31 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 407,458407.5k $401.0k $401.0k 0.00% Reduced -273.4k -273,352
32 Graham Capital Management, L.P. 0.01% of their portfolio ROWAYTON, CT 361,826361.8k $356.1k $356.1k 0.01% Reduced -3.7k -3,655
33 Walleye Capital LLC 0.00% of their portfolio NEW YORK, NY 334,118334.1k $328.8k $328.8k 0.00% Reduced -449.3k -449,318
34 JACOBS LEVY EQUITY MANAGEMENT, INC 0.00% of their portfolio FLORHAM PARK, NJ 332,696332.7k $327.4k $327.4k 0.00% New
35 GROUP ONE TRADING LLC 0.01% of their portfolio CHICAGO, IL 321,655321.7k $316.6k $316.6k 0.01% Reduced -201.0k -201,004
36 SIMPLEX TRADING, LLC 0.01% of their portfolio CHICAGO, IL 312,625312.6k $307.0k $307.0k 0.01% Added +52.1k +52,080
37 ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio NASHVILLE, TN 294,530294.5k $289.9k $289.9k 0.00% Added +125.5k +125,540
38 RHUMBLINE ADVISERS 0.00% of their portfolio BOSTON, MA 292,436292.4k $287.7k $287.7k 0.00% Added +59.2k +59,219
39 Legal & General Group Plc 0.00% of their portfolio London, X0 284,363284.4k $279.9k $279.9k 0.00% Reduced -54.3k -54,315
40 Virtu Financial LLC 0.02% of their portfolio New York, NY 277,771277.8k $273.0k $273.0k 0.02% New
41 BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.01% of their portfolio HOUSTON, TX 255,000255.0k $251.0k $251.0k 0.01% Added +55.0k +55,000
42 Balyasny Asset Management L.P. 0.00% of their portfolio Chicago, IL 227,005227.0k $223.4k $223.4k 0.00% New
43 Orion Investment Co 0.09% of their portfolio ST. LOUIS, MO 225,765225.8k $222.2k $222.2k 0.09% First filing
44 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 207,802207.8k $204.5k $204.5k 0.00% Reduced -1.1k -1,138
45 LPL Financial LLC 0.00% of their portfolio FORT MILL, SC 191,557191.6k $188.5k $188.5k 0.00% Reduced -37.5k -37,475
46 CAPTRUST FINANCIAL ADVISORS 0.00% of their portfolio RALEIGH, NC 160,355160.4k $157.8k $157.8k 0.00% Reduced -157.4k -157,431
47 Integrated Wealth Concepts LLC 0.00% of their portfolio WALTHAM, MA 147,546147.5k $145.2k $145.2k 0.00% Reduced -1.5k -1,500
48 Marex Group Ltd 0.00% of their portfolio London, X0 143,017143.0k $140.8k $140.8k 0.00% Reduced -23.3k -23,327
49 Focus Partners Wealth 0.00% of their portfolio ST LOUIS, MO 117,900117.9k $116.0k $116.0k 0.00% Added +2.1k +2,112
50 D. E. Shaw & Co., Inc. 0.00% of their portfolio New York, NY 117,175117.2k $115.3k $115.3k 0.00% Reduced -564.1k -564,093
51 MetLife Investment Management, LLC 0.00% of their portfolio Whippany, NJ 112,154112.2k $110.4k $110.4k 0.00% Added +11.7k +11,712
52 TUDOR INVESTMENT CORP ET AL 0.00% of their portfolio STAMFORD, CT 107,960108.0k $106.3k $106.3k 0.00% Unchanged
53 Corebridge Financial, Inc. 0.00% of their portfolio HOUSTON, TX 103,096103.1k $101.5k $101.5k 0.00% First filing
54 Squarepoint Ops LLC 0.00% of their portfolio NEW YORK, NY 102,431102.4k $100.8k $100.8k 0.00% New
55 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 100,874100.9k $99.3k $99.3k 0.00% Added +12.1k +12,116
56 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 87,89187.9k $86.5k $86.5k 0.00% Added +6.1k +6,119
57 Pennant Investors, LP 0.02% of their portfolio Summit, NJ 87,40087.4k $86.0k $86.0k 0.02% Unchanged
58 Cerity Partners LLC 0.00% of their portfolio NEW YORK, NY 82,48082.5k $81.2k $81.2k 0.00% Added +12.8k +12,838
59 UBS Group AG 0.00% of their portfolio ZURICH, V8 68,56868.6k $67.5k $67.5k 0.00% Reduced -150.6k -150,557
60 HUNTINGTON NATIONAL BANK 0.00% of their portfolio COLUMBUS, OH 68,49368.5k $67.4k $67.4k 0.00% Unchanged
61 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 67,45767.5k $66.4k $66.4k 0.00% Reduced -66.9k -66,872
62 VOYA INVESTMENT MANAGEMENT LLC 0.00% of their portfolio ATLANTA, GA 65,89765.9k $64.9k $64.9k 0.00% Added +5.7k +5,656
63 Baird Financial Group, Inc. 0.00% of their portfolio MILWAUKEE, WI 62,25062.2k $61.3k $61.3k 0.00% Added +49.7k +49,745
64 Mariner, LLC 0.00% of their portfolio Overland Park, KS 55,44655.4k $54.6k $54.6k 0.00% Reduced -1.8k -1,789
65 Prospera Financial Services Inc 0.00% of their portfolio Dallas, TX 54,95055.0k $54.1k $54.1k 0.00% Added +13.4k +13,450
66 PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio BALTIMORE, MD 54,71454.7k $54.0k $54.0k 0.00% Unchanged
67 GTS SECURITIES LLC 0.00% of their portfolio NEW YORK, NY 54,43654.4k $53.6k $53.6k 0.00% Reduced -3.7k -3,724
68 SG Americas Securities, LLC 0.00% of their portfolio NEW YORK, NY 48,67048.7k $48.0k $48.0k 0.00% Reduced -31.4k -31,362
69 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 48,50648.5k $47.7k $47.7k 0.00% Added +227 +227
70 Savant Capital, LLC 0.00% of their portfolio ROCKFORD, IL 43,54043.5k $42.9k $42.9k 0.00% New
71 Sequoia Financial Advisors, LLC 0.00% of their portfolio Akron, OH 42,58542.6k $41.9k $41.9k 0.00% Added +2.5k +2,500
72 HOLDERNESS INVESTMENTS CO 0.00% of their portfolio GREENSBORO, NC 40,14840.1k $39.5k $39.5k 0.00% Added +20.1k +20,074
73 Tower Research Capital LLC (TRC) 0.00% of their portfolio NEW YORK, NY 38,72838.7k $38.1k $38.1k 0.00% Added +37.4k +37,438
74 Sargent Investment Group, LLC 0.01% of their portfolio BETHESDA, MD 38,51538.5k $37.9k $37.9k 0.01% Reduced -495 -495
75 ProShare Advisors LLC 0.00% of their portfolio BETHESDA, MD 37,39937.4k $36.8k $36.8k 0.00% Reduced -10.3k -10,346
76 HORIZON KINETICS ASSET MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 36,46836.5k $35.9k $35.9k 0.00% Unchanged
77 NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio ALBANY, NY 33,50133.5k $33.0k $33.0k 0.00% Reduced -156.9k -156,907
78 Enterprise Bank & Trust Co 0.01% of their portfolio LOWELL, MA 30,00030.0k $29.5k $29.5k 0.01% Unchanged
79 MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.00% of their portfolio Toronto, A6 29,81129.8k $29.3k $29.3k 0.00% Reduced -30.5k -30,505
80 PRINCIPAL FINANCIAL GROUP INC 0.00% of their portfolio DES MOINES, IA 28,58328.6k $28.1k $28.1k 0.00% Reduced -10.4k -10,443
81 COMMONWEALTH EQUITY SERVICES, LLC 0.00% of their portfolio WALTHAM, MA 28,49728.5k $28.0k $28.0k 0.00% Unchanged
82 Raymond James Financial Services Advisors, Inc. 0.00% of their portfolio ST. PETERSBURG, FL 27,71027.7k $27.3k $27.3k 0.00% Added +50 +50
83 Quinn Opportunity Partners LLC 0.00% of their portfolio CHARLOTTESVILLE, VA 26,62426.6k $26.2k $26.2k 0.00% Unchanged
84 BRIGHTON JONES LLC 0.00% of their portfolio SEATTLE, WA 25,72025.7k $25.3k $25.3k 0.00% Unchanged
85 Allegheny Financial Group 0.01% of their portfolio Pittsburgh, PA 25,00025.0k $24.6k $24.6k 0.01% New
86 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 24,61824.6k $24.0k $24.0k 0.00% Added +13.6k +13,641
87 VICTORY CAPITAL MANAGEMENT INC 0.00% of their portfolio San Antonio, TX 24,49424.5k $24.1k $24.1k 0.00% Added +10.3k +10,307
88 INDEPENDENT FINANCIAL GROUP, LLC 0.00% of their portfolio SAN DIEGO, CA 23,40023.4k $23.0k $23.0k 0.00% Unchanged
89 Maxi Investments CY Ltd 0.28% of their portfolio LIMASSOL, G4 23,13723.1k $1.2m $1.2m 0.28% Unchanged
90 China Universal Asset Management Co., Ltd. 0.00% of their portfolio SHANGHAI, F4 22,36322.4k $22.0k $22.0k 0.00% Reduced -14.2k -14,217
91 HSBC HOLDINGS PLC 0.00% of their portfolio LONDON, X0 20,75120.8k $19.4k $19.4k 0.00% Added +220 +220
92 Advisors Asset Management, Inc. 0.00% of their portfolio Monument, CO 19,77719.8k $19.5k $19.5k 0.00% Reduced -9 -9
93 Vanguard Personalized Indexing Management, LLC 0.00% of their portfolio OAKLAND, CA 19,38419.4k $19.1k $19.1k 0.00% New
94 Ameritas Investment Partners, Inc. 0.00% of their portfolio LINCOLN, NE 19,09719.1k $18.8k $18.8k 0.00% Unchanged
95 Dynamic Advisor Solutions LLC 0.00% of their portfolio PHOENIX, AZ 18,33318.3k $18.0k $18.0k 0.00% Reduced -52.0k -52,000
96 OSAIC HOLDINGS, INC. 0.00% of their portfolio SCOTTSDALE, AZ 18,32518.3k $18.0k $18.0k 0.00% Reduced -30.9k -30,867
97 Wealthcare Advisory Partners LLC 0.00% of their portfolio WEST CHESTER, PA 17,79117.8k $17.5k $17.5k 0.00% New
98 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 15,66215.7k $15.4k $15.4k 0.00% Reduced -86.4k -86,438
99 Fiduciary Trust Co 0.00% of their portfolio Boston, MA 15,10215.1k $14.9k $14.9k 0.00% Unchanged
100 Equitable Holdings, Inc. 0.00% of their portfolio NEW YORK, NY 15,05015.1k $14.8k $14.8k 0.00% Added +5.0k +5,000