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BLUE

bluebird bio

Delisted

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

241 hedge funds and large institutions have $5.87B invested in bluebird bio in 2019 Q3 according to their latest regulatory filings, with 24 funds opening new positions, 81 increasing their positions, 78 reducing their positions, and 54 closing their positions.

New
Increased
Maintained
Reduced
Closed

100% more funds holding in top 10

Funds holding in top 10: 12 (+1)

4% more repeat investments, than reductions

Existing positions increased: 81 | Existing positions reduced: 78

0.21% more ownership

Funds ownership: 8.72%8.93% (+0.21%)

12% less funds holding

Funds holding: 273241 (-32)

21% less call options, than puts

Call options by funds: $81.7M | Put options by funds: $103M

26% less capital invested

Capital invested by funds: $7.92B → $5.87B (-$2.05B)

56% less first-time investments, than exits

New positions opened: 24 | Existing positions closed: 54

Holders
241
Holders Change
-32
Holders Change %
-11.72%
% of All Funds
5.28%
Holding in Top 10
2
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+100%
% of All Funds
0.04%
New
24
Increased
81
Reduced
78
Closed
54
Calls
$81.7M
Puts
$103M
Net Calls
-$21.7M
Net Calls Change
+$9.31M
Name Holding Trade Value Shares
Change
Change in
Stake
AI
276
Atria Investments
North Carolina
-$227K -151 Closed
Comerica Bank
277
Comerica Bank
Texas
-$268K -148 Closed
SLG
278
Stanley-Laman Group
Pennsylvania
-$243K -148 Closed
BB
279
Bell Bank
North Dakota
-$229K -139 Closed
CIBC Asset Management
280
CIBC Asset Management
Ontario, Canada
-$226K -137 Closed
OC
281
Oppenheimer & Co
New York
-$226K -137 Closed
BIA
282
Biondo Investment Advisors
Pennsylvania
-$216K -131 Closed
M&T Bank
283
M&T Bank
New York
-$215K -131 Closed
AT
284
Arden Trust
Delaware
-$213K -129 Closed
AMCA
285
Arthur M. Cohen & Associates
Illinois
-$205K -124 Closed
SS
286
Simplicity Solutions
Minnesota
-$205K -124 Closed
TRCT
287
Tower Research Capital (TRC)
New York
-$103K -63 Closed
CAW
288
Cornerstone Advisors (Washington)
Washington
-$43K -26 Closed
Parallax Volatility Advisers
289
Parallax Volatility Advisers
California
-$20K -12 Closed
AC
290
Avestar Capital
New York
-$12K -8 Closed
BEI
291
Benjamin Edwards Inc
Missouri
-$7K -4 Closed
FPFS
292
First Personal Financial Services
North Carolina
-$6K -4 Closed
PCP
293
Proficio Capital Partners
Massachusetts
-$7K -4 Closed
BCA
294
Berman Capital Advisors
Georgia
-$3K -2 Closed
CFGS
295
Concourse Financial Group Securities
Alabama
-$3.05K -2 Closed
EWM
296
Executive Wealth Management
Michigan
-$3K -2 Closed
AOWM
297
Alpha Omega Wealth Management
Virginia
-$1K -1 Closed

BLUE Hedge Fund Activity: Q3 2019 in Review

241 of the 4,561 institutional investors tracked by Wall St. Rank reported a position in bluebird bio (BLUE) for Q3 2019, worth a combined $5.87B — down 26% from $7.92B a quarter earlier.

Sellers outnumbered buyers: 54 funds closed out of BLUE and 24 opened new positions — a net loss of 30 holders — while 78 trimmed existing stakes and 81 added.

The largest buyer was Sands Capital Management, adding an estimated $126M. The largest seller was Baillie Gifford & Co, cutting an estimated $90.5M.

  • 241 institutional investors held bluebird bio (BLUE) as of Q3 2019, down from 273 in Q2 2019.
  • Funds reported $5.87B of bluebird bio stock for Q3 2019, down 26% quarter-over-quarter.
  • 24 funds opened new bluebird bio positions in Q3 2019 and 54 closed out, a net change of -30 holders.
  • The largest bluebird bio buyer in Q3 2019 was Sands Capital Management, an estimated $126M added.
  • The largest bluebird bio seller in Q3 2019 was Baillie Gifford & Co, an estimated $90.5M sold.

Based on aggregated 13F filings for Q3 2019.