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BLUE

bluebird bio
BLUE

Delisted

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

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275 hedge funds and large institutions have $3.41B invested in bluebird bio in 2020 Q3 according to their latest regulatory filings, with 40 funds opening new positions, 100 increasing their positions, 85 reducing their positions, and 42 closing their positions.

New
Increased
Maintained
Reduced
Closed

18% more repeat investments, than reductions

Existing positions increased: 100 | Existing positions reduced: 85

3% more call options, than puts

Call options by funds: $55.7M | Put options by funds: $54.3M

0.31% less ownership

Funds ownership: 7.69% → 7.39% (-0.31%)

5% less first-time investments, than exits

New positions opened: 40 | Existing positions closed: 42

1% less funds holding

Funds holding: 278 → 275 (-3)

13% less capital invested

Capital invested by funds: $3.94B → $3.41B (-$526M)

75% less funds holding in top 10

Funds holding in top 10: 4 → 1 (-3)

Holders
275
Holders Change
-3
Holders Change %
-1.08%
% of All Funds
5.55%
Holding in Top 10
1
Holding in Top 10 Change
-3
Holding in Top 10 Change %
-75%
% of All Funds
0.02%
New
40
Increased
100
Reduced
85
Closed
42
Calls
$55.7M
Puts
$54.3M
Net Calls
+$1.4M
Net Calls Change
+$7.91M

Top Buyers

Rank Fund Capital Flow
1
Massachusetts Financial Services
Massachusetts Financial Services
Massachusetts
+$20.5M
2
Royal Bank of Canada
Royal Bank of Canada
Ontario, Canada
+$15.9M
3
AC
Armistice Capital
New York
+$14M
4
Vanguard Group
Vanguard Group
Pennsylvania
+$13.5M
5
GLA
Great Lakes Advisors
Illinois
+$13.2M

Top Sellers

Rank Fund Capital Flow
1
Fidelity Investments
Fidelity Investments
Massachusetts
-$46.9M
2
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
-$28.7M
3
Adage Capital Partners
Adage Capital Partners
Massachusetts
-$22.9M
4
FCM
Frontier Capital Management
Massachusetts
-$22.1M
5
Goldman Sachs
Goldman Sachs
New York
-$17.9M
Name Holding Trade Value Shares
Change 		Change in
Stake
SFS
251
Sowell Financial Services
Arkansas
$5K +$5.46K +7 New
CCM
252
Chiron Capital Management
Florida
$5K +$6.24K +8 New
PMFA
253
Plante Moran Financial Advisors
Michigan
$4K +$4.68K +6 New
APWA
254
Atlas Private Wealth Advisors
New Jersey
$3K – – –
EA
255
Emerald Advisers
Pennsylvania
$3K – – –
WT
256
Washington Trust
Rhode Island
$3K +$3.12K +4 New
AWA
257
Arkadios Wealth Advisors
Georgia
$2.58K +$3.12K +4 New
MAM
258
Meeder Asset Management
Ohio
$2K -$2.34K -3 -60%
CFGS
259
Concourse Financial Group Securities
Alabama
$2K – – –
VFA
260
Valeo Financial Advisors
Indiana
$2K – – –
ASN
261
Advisory Services Network
Georgia
$2K +$3.12K +4 New
TPCW
262
TD Private Client Wealth
New York
$1.29K +$1.56K +2 New
EFSCE
263
Enterprise Financial Services Corp (EFSC)
Missouri
$1K -$780 -1 -33%
AWM
264
Avior Wealth Management
Nebraska
$1K – – –
EARNEST Partners
265
EARNEST Partners
Georgia
$1K – – –
LFG
266
Larson Financial Group
Missouri
$1K – – –
SA
267
SRH Advisors
Kansas
$1K – – –
TFO
268
Tarbox Family Office
California
$1K – – –
ABC
269
Associated Banc-Corp
Wisconsin
$1K +$780 +1 New
PFWA
270
Paces Ferry Wealth Advisors
Georgia
$1K +$780 +1 New
TFM
271
TFC Financial Management
Massachusetts
$1K +$780 +1 New
BWM
272
BerganKDV Wealth Management
Minnesota
$1K +$1.56K +2 New
NFG
273
Next Financial Group
Texas
$1K +$1.56K +2 New
ED
274
Exane Derivatives
France
$270 – – –
RWML
275
RAFFA WEALTH MANAGEMENT, LLC
District of Columbia
$270 – – –
9 10
11
12 13

BLUE Hedge Fund Activity: Q3 2020 in Review

275 of the 4,957 institutional investors tracked by Wall St. Rank reported a position in bluebird bio (BLUE) for Q3 2020, worth a combined $3.41B — down 13% from $3.94B a quarter earlier.

Sellers outnumbered buyers: 42 funds closed out of BLUE and 40 opened new positions — a net loss of 2 holders — while 85 trimmed existing stakes and 100 added.

The largest buyer was Massachusetts Financial Services, opening a new position worth an estimated $20.5M. The largest seller was Fidelity Investments, cutting an estimated $46.9M.

  • 275 institutional investors held bluebird bio (BLUE) as of Q3 2020, down from 278 in Q2 2020.
  • Funds reported $3.41B of bluebird bio stock for Q3 2020, down 13% quarter-over-quarter.
  • 40 funds opened new bluebird bio positions in Q3 2020 and 42 closed out, a net change of -2 holders.
  • The largest bluebird bio buyer in Q3 2020 was Massachusetts Financial Services, an estimated $20.5M added.
  • The largest bluebird bio seller in Q3 2020 was Fidelity Investments, an estimated $46.9M sold.

Based on aggregated 13F filings for Q3 2020.