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BLUE

bluebird bio
BLUE

Delisted

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

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140 hedge funds and large institutions have $32.9M invested in bluebird bio in 2024 Q3 according to their latest regulatory filings, with 16 funds opening new positions, 39 increasing their positions, 44 reducing their positions, and 26 closing their positions.

New
Increased
Maintained
Reduced
Closed

0.42% less ownership

Funds ownership: 2.04% → 1.62% (-0.42%)

7% less funds holding

Funds holding: 150 → 140 (-10)

11% less repeat investments, than reductions

Existing positions increased: 39 | Existing positions reduced: 44

38% less first-time investments, than exits

New positions opened: 16 | Existing positions closed: 26

40% less call options, than puts

Call options by funds: $295K | Put options by funds: $492K

58% less capital invested

Capital invested by funds: $78.4M → $32.9M (-$45.6M)

Holders
140
Holders Change
-10
Holders Change %
-6.67%
% of All Funds
2.01%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
16
Increased
39
Reduced
44
Closed
26
Calls
$295K
Puts
$492K
Net Calls
-$197K
Net Calls Change
+$298K

Top Buyers

Rank Fund Capital Flow
1
APM
Avidity Partners Management
Texas
+$1.36M
2
ECM
ExodusPoint Capital Management
New York
+$1.08M
3
LPC
Lion Point Capital
New York
+$748K
4
Morgan Stanley
Morgan Stanley
New York
+$376K
5
Goldman Sachs
Goldman Sachs
New York
+$331K

Top Sellers

Rank Fund Capital Flow
1
Ameriprise
Ameriprise
Minnesota
-$6.29M
2
PAI
Palo Alto Investors
California
-$3.35M
3
Millennium Management
Millennium Management
New York
-$2.94M
4
MIC
Maxi Investments CY
Cyprus
-$1.25M
5
BL
Bleichroeder LP
New York
-$1.02M
Name Holding Trade Value Shares
Change 		Change in
Stake
TCOV
126
Trust Company of Vermont
Vermont
$131 – – –
HWM
127
HighMark Wealth Management
Minnesota
$119 – – –
CPA
128
Capital Performance Advisors
California
$90 +$150 +9 New
TC
129
Truvestments Capital
Florida
$65 +$100 +6 New
MSG
130
Main Street Group
Virginia
$52 -$166 -10 -67%
National Bank of Canada
131
National Bank of Canada
Quebec, Canada
$42 +$66 +4 New
MWA
132
MFA Wealth Advisors
Pennsylvania
$35 – – –
FFA
133
Fairfield Financial Advisors
Massachusetts
$31 – – –
DJSG
134
D.J. St. Germain
Massachusetts
$30 – – –
GRP
135
Global Retirement Partners
California
$23 – – –
PPA
136
Painted Porch Advisors
California
$17 – – –
LFG
137
Larson Financial Group
Missouri
$12 – – –
TFM
138
TFC Financial Management
Massachusetts
$7 – – –
Ameriprise
139
Ameriprise
Minnesota
– -$6.29M -319,582 Closed
BL
140
Bleichroeder LP
New York
– -$1.02M -51,869 Closed
WP
141
Woodline Partners
California
– -$954K -48,467 Closed
GCM
142
Graham Capital Management
Connecticut
– -$356K -18,091 Closed
Walleye Capital
143
Walleye Capital
New York
– -$329K -16,706 Closed
Jacobs Levy Equity Management
144
Jacobs Levy Equity Management
New Jersey
– -$327K -16,635 Closed
VF
145
Virtu Financial
New York
– -$273K -13,889 Closed
Balyasny Asset Management
146
Balyasny Asset Management
Illinois
– -$223K -11,350 Closed
Citadel Advisors
147
Citadel Advisors
Florida
– -$173K -10,390 Closed
D.E. Shaw & Co
148
D.E. Shaw & Co
New York
– -$115K -5,859 Closed
MIM
149
MetLife Investment Management
New Jersey
– -$110K -5,608 Closed
PI
150
Pennant Investors
New Jersey
– -$86K -4,370 Closed
3 4 5
6
7

BLUE Hedge Fund Activity: Q3 2024 in Review

140 of the 6,965 institutional investors tracked by Wall St. Rank reported a position in bluebird bio (BLUE) for Q3 2024, worth a combined $32.9M — down 58% from $78.4M a quarter earlier.

Sellers outnumbered buyers: 26 funds closed out of BLUE and 16 opened new positions — a net loss of 10 holders — while 44 trimmed existing stakes and 39 added.

The largest buyer was Avidity Partners Management, opening a new position worth an estimated $1.36M. The largest seller was Ameriprise, exiting entirely with an estimated $6.29M sold.

  • 140 institutional investors held bluebird bio (BLUE) as of Q3 2024, down from 150 in Q2 2024.
  • Funds reported $32.9M of bluebird bio stock for Q3 2024, down 58% quarter-over-quarter.
  • 16 funds opened new bluebird bio positions in Q3 2024 and 26 closed out, a net change of -10 holders.
  • The largest bluebird bio buyer in Q3 2024 was Avidity Partners Management, an estimated $1.36M added.
  • The largest bluebird bio seller in Q3 2024 was Ameriprise, an estimated $6.29M sold.

Based on aggregated 13F filings for Q3 2024.