BLUE

bluebird bio
BLUE

Overview Fund Activity
Delisted

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

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262 hedge funds and large institutions have $2.73B invested in bluebird bio in 2020 Q4 according to their latest regulatory filings, with 46 funds opening new positions, 93 increasing their positions, 86 reducing their positions, and 57 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
262
Holders Change
-13
Holders Change %
-4.73%
% of All Funds
4.65%
Holding in Top 10
–
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-100%
% of All Funds
–
New
46
Increased
93
Reduced
86
Closed
57
Calls
$45.9M
Puts
$49.1M
Net Calls
-$3.22M
Net Calls Change
-$4.62M

Top Buyers

1
CS
Credit Suisse
Switzerland
+$36.6M
2
State Street
State Street
Massachusetts
+$24.6M
3
Royal Bank of Canada
Royal Bank of Canada
Ontario, Canada
+$18.8M
4
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
+$18.5M
5
SCM
Suvretta Capital Management
New York
+$18.5M

Top Sellers

1
Wellington Management Group
Wellington Management Group
Massachusetts
-$80.6M
2
Baillie Gifford & Co
Baillie Gifford & Co
United Kingdom
-$29.6M
3
TCM
TimesSquare Capital Management
New York
-$26.7M
4
ACA
Anchor Capital Advisors
Massachusetts
-$21.4M
5
GGHC
Gilder Gagnon Howe & Co
New York
-$19.7M
Name Holding Trade Value Shares
Change 		Shares
Change %
Wolverine Trading
276
Wolverine Trading
Illinois
– -$714K -1,002 Closed
P8IP
277
Pier 88 Investment Partners
California
– -$657K -940 Closed
SFI
278
Susquehanna Fundamental Investments
Pennsylvania
– -$653K -934 Closed
Janney Montgomery Scott
279
Janney Montgomery Scott
Pennsylvania
– -$594K -850 Closed
Allianz Asset Management
280
Allianz Asset Management
Germany
– -$564K -807 Closed
Natixis Advisors
281
Natixis Advisors
Massachusetts
– -$540K -773 Closed
MCM
282
Moore Capital Management
New York
– -$540K -772 Closed
TI
283
Trexquant Investment
Connecticut
– -$488K -698 Closed
ECM
284
ExodusPoint Capital Management
New York
– -$437K -625 Closed
ISL
285
Ingalls & Snyder LLC
New York
– -$431K -617 Closed
PP
286
Paloma Partners
Connecticut
– -$415K -594 Closed
SSA
287
Schonfeld Strategic Advisors
New York
– -$357K -511 Closed
ERSOT
288
Employees Retirement System of Texas
Texas
– -$356K -509 Closed
RIL
289
Rothschild Investment LLC
Illinois
– -$346K -495 Closed
PCM
290
Prelude Capital Management
New York
– -$341K -488 Closed
B
291
Bailard
California
– -$329K -471 Closed
RA
292
Royce & Associates
New York
– -$324K -463 Closed
DCM
293
Dupont Capital Management
Delaware
– -$310K -443 Closed
PI
294
PEAK6 Investments
Illinois
– -$307K -440 Closed
QT
295
Quantbot Technologies
New York
– -$285K -408 Closed
PAG
296
Private Advisor Group
New Jersey
– -$280K -401 Closed
AAS
297
Avantax Advisory Services
Texas
– -$248K -355 Closed
PRC
298
Pearl River Capital
Michigan
– -$231K -330 Closed
Verition Fund Management
299
Verition Fund Management
Connecticut
– -$216K -309 Closed
QI
300
QS Investors
New York
– -$207K -295 Closed
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