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Spero Therapeutics
SPRO

Overview Fund Activity

60 hedge funds and large institutions have $93.2M invested in Spero Therapeutics in 2020 Q1 according to their latest regulatory filings, with 7 funds opening new positions, 31 increasing their positions, 15 reducing their positions, and 7 closing their positions.

Holders
60
Holders Change
-1
Holders Change %
-1.64%
% of All Funds
1.33%
Holding in Top 10
2
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-33.33%
% of All Funds
0.04%
New
7
Increased
31
Reduced
15
Closed
7
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
ACM
1
Aquilo Capital Management
California
$14.7M
2
VA
2
VR Adviser
New York
$3.83M
3
Vanguard Group
3
Vanguard Group
Pennsylvania
$5.08M
4
BlackRock
4
BlackRock
New York
$7.12M
5
RSCM
5
Rock Springs Capital Management
Maryland
$4.89M

Top Sellers

1
BI
1
BVF Inc
California
$4.55M
2
O
2
OrbiMed
New York
$0
3
AIC
3
AWM Investment Company
New York
$3.2M
4
OAM
4
Oxford Asset Management
United Kingdom
$0
5
JPMorgan Chase & Co
5
JPMorgan Chase & Co
New York
$631K
Name Market Value Shares Shares
Change 		Shares
Change %
ACM
1
Aquilo Capital Management
California
$14.7M 1,818,140 +663,784 +58%
AVAI
2
Atlas Venture Associates IX
Massachusetts
$11.1M 1,376,968 – –
AI
3
Alphabet Inc
California
$8.99M 1,112,473 – –
NHAS
4
Novo Holdings A/S
Denmark
$7.52M 931,099 – –
BlackRock
5
BlackRock
New York
$7.12M 881,231 +125,966 +17%
Vanguard Group
6
Vanguard Group
Pennsylvania
$5.08M 628,588 +132,187 +27%
RSCM
7
Rock Springs Capital Management
Maryland
$4.89M 605,000 +80,000 +15%
AG
8
Artal Group
Luxembourg
$4.65M 576,000 +76,000 +15%
BI
9
BVF Inc
California
$4.55M 563,393 -282,012 -33%
VA
10
VR Adviser
New York
$3.83M 474,015 +474,015 New
AIC
11
AWM Investment Company
New York
$3.2M 395,949 -78,395 -17%
Renaissance Technologies
12
Renaissance Technologies
New York
$2.62M 324,303 -13,900 -4%
State Street
13
State Street
Massachusetts
$2.25M 278,443 +69,852 +33%
Dimensional Fund Advisors
14
Dimensional Fund Advisors
Texas
$1.61M 198,861 +43,381 +28%
GIM
15
Granahan Investment Management
Massachusetts
$1.39M 171,434 +22,567 +15%
Northern Trust
16
Northern Trust
Illinois
$1.32M 163,274 +27,277 +20%
Geode Capital Management
17
Geode Capital Management
Massachusetts
$1.25M 155,224 +35,772 +30%
Fidelity Investments
18
Fidelity Investments
Massachusetts
$800K 98,952 – –
JPMorgan Chase & Co
19
JPMorgan Chase & Co
New York
$631K 78,106 -55,172 -41%
Jacobs Levy Equity Management
20
Jacobs Levy Equity Management
New Jersey
$583K 72,195 +26,342 +57%
BCM
21
Bridgeway Capital Management
Texas
$560K 69,305 -1,274 -2%
DCM
22
DAFNA Capital Management
California
$389K 48,103 +48,103 New
Bank of New York Mellon
23
Bank of New York Mellon
New York
$371K 46,064 +8,290 +22%
Nuveen Asset Management
24
Nuveen Asset Management
Illinois
$356K 44,053 +5,656 +15%
Stifel Financial
25
Stifel Financial
Missouri
$355K 43,996 +13,969 +47%
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