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BLUE

bluebird bio

Delisted

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

247 hedge funds and large institutions have $2.78B invested in bluebird bio in 2020 Q1 according to their latest regulatory filings, with 30 funds opening new positions, 96 increasing their positions, 75 reducing their positions, and 55 closing their positions.

New
Increased
Maintained
Reduced
Closed

28% more repeat investments, than reductions

Existing positions increased: 96 | Existing positions reduced: 75

0% more funds holding in top 10

Funds holding in top 10: 33 (0)

0.03% less ownership

Funds ownership: 8.39%8.36% (-0.03%)

10% less funds holding

Funds holding: 274247 (-27)

31% less call options, than puts

Call options by funds: $24.2M | Put options by funds: $35.1M

45% less first-time investments, than exits

New positions opened: 30 | Existing positions closed: 55

47% less capital invested

Capital invested by funds: $5.27B → $2.78B (-$2.49B)

Holders
247
Holders Change
-27
Holders Change %
-9.85%
% of All Funds
5.44%
Holding in Top 10
3
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.07%
New
30
Increased
96
Reduced
75
Closed
55
Calls
$24.2M
Puts
$35.1M
Net Calls
-$10.9M
Net Calls Change
-$42.1M
Name Holding Trade Value Shares
Change
Change in
Stake
Coatue Management
276
Coatue Management
New York
-$297K -261 Closed
EMG
277
Ellington Management Group
Connecticut
-$281K -247 Closed
WMSA
278
Weiss Multi-Strategy Advisers
New York
-$278K -245 Closed
QSS
279
Quantitative Systematic Strategies
Florida
-$263K -232 Closed
PAG
280
Private Advisor Group
New Jersey
-$261K -230 Closed
MMA
281
Miracle Mile Advisors
California
-$259K -228 Closed
BM
282
Brandywine Managers
Delaware
-$246K -216 Closed
TCM
283
Teza Capital Management
Illinois
-$232K -204 Closed
FPS
284
Fieldpoint Private Securities
Connecticut
-$218K -193 Closed
MML Investors Services
285
MML Investors Services
Massachusetts
-$211K -185 Closed
Prudential Financial
286
Prudential Financial
New Jersey
-$200K -176 Closed
DekaBank Deutsche Girozentrale
287
DekaBank Deutsche Girozentrale
Germany
-$106K -93 Closed
SIC
288
Samalin Investment Counsel
New York
-$100K -89 Closed
QT
289
Quantbot Technologies
New York
-$76K -67 Closed
RA
290
Rational Advisors
New York
-$62K -55 Closed
KFS
291
Kelly Financial Services
Massachusetts
-$31K -27 Closed
BCA
292
Berman Capital Advisors
Georgia
-$15K -13 Closed
Chevy Chase Trust
293
Chevy Chase Trust
Maryland
-$8K -7 Closed
WAM
294
Wolverine Asset Management
Illinois
-$7K -7 Closed
HNB
295
Huntington National Bank
Ohio
-$7K -6 Closed
SWM
296
Sugarloaf Wealth Management
Georgia
-$5K -5 Closed
TCWM
297
Total Clarity Wealth Management
Illinois
-$6K -5 Closed
EA
298
Emerald Advisers
Pennsylvania
-$4K -4 Closed
SFS
299
Sowell Financial Services
Arkansas
-$4K -3 Closed
Kayne Anderson Rudnick Investment Management
300
Kayne Anderson Rudnick Investment Management
California
-$2K -2 Closed

BLUE Hedge Fund Activity: Q1 2020 in Review

247 of the 4,539 institutional investors tracked by Wall St. Rank reported a position in bluebird bio (BLUE) for Q1 2020, worth a combined $2.78B — down 47% from $5.27B a quarter earlier.

Sellers outnumbered buyers: 55 funds closed out of BLUE and 30 opened new positions — a net loss of 25 holders — while 75 trimmed existing stakes and 96 added.

The largest buyer was Victory Capital Management, adding an estimated $120M. The largest seller was Fidelity Investments, cutting an estimated $184M.

  • 247 institutional investors held bluebird bio (BLUE) as of Q1 2020, down from 274 in Q4 2019.
  • Funds reported $2.78B of bluebird bio stock for Q1 2020, down 47% quarter-over-quarter.
  • 30 funds opened new bluebird bio positions in Q1 2020 and 55 closed out, a net change of -25 holders.
  • The largest bluebird bio buyer in Q1 2020 was Victory Capital Management, an estimated $120M added.
  • The largest bluebird bio seller in Q1 2020 was Fidelity Investments, an estimated $184M sold.

Based on aggregated 13F filings for Q1 2020.