bluebird bio
BLUE
BLUE was delisted on the 30th of May, 2025.
3 hedge funds and large institutions have $6.89K invested in bluebird bio in 2025 Q2 according to their latest regulatory filings, with 1 funds opening new positions, 1 increasing their positions, 1 reducing their positions, and 82 closing their positions.
0% more repeat investments, than reductions
Existing positions increased: 1 | Existing positions reduced: 1
35.93% less ownership
Funds ownership: 35.95% → 0.01% (-36%)
96% less funds holding
Funds holding: 85 → 3 (-82)
99% less first-time investments, than exits
New positions opened: 1 | Existing positions closed: 82
100% less capital invested
Capital invested by funds: $17.1M → $6.89K (-$17.1M)
100% less funds holding in top 10
Funds holding in top 10: 2 → 0 (-2)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Russell Investments Group
London,
United Kingdom
|
+$5.72K |
| 2 |
IA
IFP Advisors
Tampa,
Florida
|
+$31 |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BlackRock
New York
|
-$3.41M |
| 2 |
Vanguard Group
Malvern,
Pennsylvania
|
-$2.53M |
| 3 |
TCM
Tang Capital Management
San Diego,
California
|
-$1.95M |
| 4 |
Geode Capital Management
Boston,
Massachusetts
|
-$1.2M |
| 5 |
State Street
Boston,
Massachusetts
|
-$957K |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
|
HIMS
76
Hager Investment Management Services
New London,
New Hampshire
| – | -$24 | -5 | Closed |
|
|
JWA
77
JFS Wealth Advisors
Hermitage,
Pennsylvania
| – | -$25 | -5 | Closed |
|
78
National Bank of Canada
Montreal,
Quebec, Canada
| – | -$20 | -4 | Closed |
|
|
1IA
79
1620 Investment Advisors
Plymouth,
Massachusetts
| – | -$10 | -2 | Closed |
|
|
DJSG
80
D.J. St. Germain
Springfield,
Massachusetts
| – | -$10 | -2 | Closed |
|
|
SC
81
SouthState Corp
Winter Haven,
Florida
| – | -$10 | -2 | Closed |
|
|
CYG
82
Clean Yield Group
Norwich,
Vermont
| – | -$5 | -1 | Closed |
|
|
LFG
83
Larson Financial Group
St Louis,
Missouri
| – | -$5 | -1 | Closed |
|
BLUE Hedge Fund Activity: Q2 2025 in Review
3 of the 7,596 institutional investors tracked by Wall St. Rank reported a position in bluebird bio (BLUE) for Q2 2025, worth a combined $6.89K — down 100% from $17.1M a quarter earlier.
Sellers outnumbered buyers: 82 funds closed out of BLUE and 1 opened new positions — a net loss of 81 holders — while 1 trimmed existing stakes and 1 added.
The largest buyer was Russell Investments Group, adding an estimated $5.72K. The largest seller was BlackRock, exiting entirely with an estimated $3.41M sold.
- 3 institutional investors held bluebird bio (BLUE) as of Q2 2025, down from 85 in Q1 2025.
- Funds reported $6.89K of bluebird bio stock for Q2 2025, down 100% quarter-over-quarter.
- 1 fund opened new bluebird bio positions in Q2 2025 and 82 closed out, a net change of -81 holders.
- The largest bluebird bio buyer in Q2 2025 was Russell Investments Group, an estimated $5.72K added.
- The largest bluebird bio seller in Q2 2025 was BlackRock, an estimated $3.41M sold.
Based on aggregated 13F filings for Q2 2025.