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BLUE

bluebird bio

Delisted

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

232 hedge funds and large institutions have $1.71B invested in bluebird bio in 2021 Q2 according to their latest regulatory filings, with 44 funds opening new positions, 81 increasing their positions, 60 reducing their positions, and 41 closing their positions.

New
Increased
Maintained
Reduced
Closed

35% more repeat investments, than reductions

Existing positions increased: 81 | Existing positions reduced: 60

7% more capital invested

Capital invested by funds: $1.59B → $1.71B (+$118M)

1% more funds holding

Funds holding: 229232 (+3)

7% more first-time investments, than exits

New positions opened: 44 | Existing positions closed: 41

0.07% more ownership

Funds ownership: 6.03%6.11% (+0.07%)

0% more funds holding in top 10

Funds holding in top 10: 11 (0)

20% less call options, than puts

Call options by funds: $26.1M | Put options by funds: $32.6M

Holders
232
Holders Change
+3
Holders Change %
+1.31%
% of All Funds
4.04%
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.02%
New
44
Increased
81
Reduced
60
Closed
41
Calls
$26.1M
Puts
$32.6M
Net Calls
-$6.51M
Net Calls Change
+$13.5M
Name Holding Trade Value Shares
Change
Change in
Stake
HR
226
Howe & Rusling
New York
$1K +$792 +2 New
MPWT
227
MassMutual Private Wealth & Trust
Connecticut
$1K +$792 +2 New
Walleye Capital
228
Walleye Capital
New York
$272 +$260K +656 New
RWML
229
RAFFA WEALTH MANAGEMENT, LLC
District of Columbia
$160
ED
230
Exane Derivatives
France
$144
Nisa Investment Advisors
231
Nisa Investment Advisors
Missouri
$90 -$48.7K -123 -36%
CCM
232
Camber Capital Management
Massachusetts
-$30.1M -77,200 Closed
CS
233
Candriam SCA
Luxembourg
-$17.6M -32,663 Closed
Two Sigma Investments
234
Two Sigma Investments
New York
-$6.9M -17,664 Closed
D.E. Shaw & Co
235
D.E. Shaw & Co
New York
-$4.44M -11,207 Closed
California Public Employees Retirement System
236
California Public Employees Retirement System
California
-$4.05M -10,383 Closed
E
237
Ergoteles
New York
-$3.88M -9,945 Closed
KCM
238
Kennedy Capital Management
Missouri
-$2.58M -6,613 Closed
Schroder Investment Management Group
239
Schroder Investment Management Group
United Kingdom
-$2.32M -5,953 Closed
Two Sigma Advisers
240
Two Sigma Advisers
New York
-$2.06M -5,288 Closed
LP
241
LMR Partners
United Kingdom
-$1.57M -4,016 Closed
Franklin Resources
242
Franklin Resources
California
-$968K -2,479 Closed
Vontobel Holding
243
Vontobel Holding
Switzerland
-$905K -2,316 Closed
TD Asset Management
244
TD Asset Management
Ontario, Canada
-$803K -2,056 Closed
Treasurer of the State of North Carolina
245
Treasurer of the State of North Carolina
North Carolina
-$731K -1,872 Closed
Man Group
246
Man Group
United Kingdom
-$631K -1,615 Closed
HF
247
HRT Financial
New York
-$563K -1,443 Closed
TMAM
248
Tokio Marine Asset Management
Japan
-$525K -1,343 Closed
ACM
249
AlphaCrest Capital Management
New York
-$517K -1,325 Closed
ESCM
250
Echo Street Capital Management
New York
-$510K -1,306 Closed

BLUE Hedge Fund Activity: Q2 2021 in Review

232 of the 5,746 institutional investors tracked by Wall St. Rank reported a position in bluebird bio (BLUE) for Q2 2021, worth a combined $1.71B — up 7.4% from $1.59B a quarter earlier.

Buyers outnumbered sellers: 44 funds opened new BLUE positions and 41 closed out — a net gain of 3 holders — while 81 added to existing stakes and 60 trimmed.

The largest buyer was BlackRock, adding an estimated $58.8M. The largest seller was Royal Bank of Canada, cutting an estimated $97.2M.

  • 232 institutional investors held bluebird bio (BLUE) as of Q2 2021, up from 229 in Q1 2021.
  • Funds reported $1.71B of bluebird bio stock for Q2 2021, up 7.4% quarter-over-quarter.
  • 44 funds opened new bluebird bio positions in Q2 2021 and 41 closed out, a net change of +3 holders.
  • The largest bluebird bio buyer in Q2 2021 was BlackRock, an estimated $58.8M added.
  • The largest bluebird bio seller in Q2 2021 was Royal Bank of Canada, an estimated $97.2M sold.

Based on aggregated 13F filings for Q2 2021.