BLUE

bluebird bio
BLUE

Overview Fund Activity
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, 84 reducing their positions, and 42 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
275
Holders Change
-3
Holders Change %
-1.08%
% of All Funds
5.56%
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
84
Closed
42
Calls
$55.7M
Puts
$54.3M
Net Calls
+$1.4M
Net Calls Change
+$7.91M

Top Buyers

1
Massachusetts Financial Services
Massachusetts Financial Services
Massachusetts
+$18.4M
2
Royal Bank of Canada
Royal Bank of Canada
Ontario, Canada
+$14.2M
3
AC
Armistice Capital
New York
+$12.5M
4
Vanguard Group
Vanguard Group
Pennsylvania
+$12.1M
5
GLA
Great Lakes Advisors
Illinois
+$11.9M

Top Sellers

1
Fidelity Investments
Fidelity Investments
Massachusetts
-$42M
2
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
-$25.7M
3
Adage Capital Partners
Adage Capital Partners
Massachusetts
-$22.9M
4
FCM
Frontier Capital Management
Massachusetts
-$19.8M
5
Alyeska Investment Group
Alyeska Investment Group
Illinois
-$16.7M
Name Holding Trade Value Shares
Change 		Shares
Change %
Adage Capital Partners
276
Adage Capital Partners
Massachusetts
– -$22.9M -28,940 Closed
Alyeska Investment Group
277
Alyeska Investment Group
Illinois
– -$16.7M -21,162 Closed
HM
278
HealthCor Management
New York
– -$15.9M -20,126 Closed
MS
279
Maven Securities
Jersey
– -$12.2M -15,440 Closed
MIM
280
Monashee Investment Management
Massachusetts
– -$7.94M -10,036 Closed
N
281
Natixis
France
– -$3.2M -4,045 Closed
VanEck Associates
282
VanEck Associates
New York
– -$2.63M -3,321 Closed
SGH
283
Sivik Global Healthcare
Connecticut
– -$2.14M -2,702 Closed
ACM
284
Asymmetry Capital Management
California
– -$1.53M -1,930 Closed
HT
285
HAP Trading
New York
– -$1.02M -1,286 Closed
UOC
286
UBS O'Connor
Illinois
– -$855K -1,081 Closed
AQR Capital Management
287
AQR Capital Management
Connecticut
– -$828K -1,061 Closed
TCM
288
Teza Capital Management
Illinois
– -$807K -1,020 Closed
SAM
289
Sectoral Asset Management
Quebec, Canada
– -$604K -764 Closed
WC
290
Wexford Capital
Florida
– -$580K -733 Closed
AWM
291
AE Wealth Management
Kansas
– -$529K -669 Closed
BFM
292
Boothbay Fund Management
New York
– -$464K -587 Closed
MWNA
293
Marshall Wace North America
New York
– -$404K -510 Closed
FAM
294
Fred Alger Management
New York
– -$305K -386 Closed
CCIA
295
Campbell & Co Investment Adviser
Maryland
– -$292K -370 Closed
SWP
296
Stratos Wealth Partners
Ohio
– -$278K -352 Closed
Skandinaviska Enskilda Banken (SEB)
297
Skandinaviska Enskilda Banken (SEB)
Sweden
– -$226K -286 Closed
QF
298
QVT Financial
New York
– -$213K -269 Closed
HS
299
Haafor (Singapore)
Singapore
– -$213K -269 Closed
CM
300
Caption Management
Oklahoma
– -$152K -193 Closed
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