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Spero Therapeutics

Name Holding Trade Value Shares
Change
Change in
Stake
ACM
1
Aquilo Capital Management
California
$76.2M -$8.81M -564,933 -13%
BI
2
BVF Inc
California
$43.5M +$14M +898,944 +67%
BlackRock
3
BlackRock
New York
$33.6M +$10.2M +654,438 +61%
AVAI
4
Atlas Venture Associates IX
Massachusetts
$26.7M
AVAX
5
Atlas Venture Associates XI
Massachusetts
$26.7M +$21.5M +1,376,968 New
RSCM
6
Rock Springs Capital Management
Maryland
$23.9M -$19.6K -1,256 -0.1%
Vanguard Group
7
Vanguard Group
Pennsylvania
$21.9M +$3.15M +201,832 +22%
AI
8
Alphabet Inc
California
$17.3M -$3.47M -222,494 -20%
NHAS
9
Novo Holdings A/S
Denmark
$11.2M -$5.52M -354,397 -38%
AG
10
Artal Group
Luxembourg
$9.7M -$1.56M -100,000 -17%
GIM
11
Granahan Investment Management
Massachusetts
$8.15M +$721K +46,242 +12%
AIC
12
AWM Investment Company
New York
$7.23M -$1.96M -126,000 -25%
Geode Capital Management
13
Geode Capital Management
Massachusetts
$6.94M +$2.47M +158,719 +80%
State Street
14
State Street
Massachusetts
$6.57M +$830K +53,239 +19%
Morgan Stanley
15
Morgan Stanley
New York
$5.26M +$3.87M +248,326 +1,083%
Northern Trust
16
Northern Trust
Illinois
$5.16M +$856K +54,896 +26%
Ameriprise
17
Ameriprise
Minnesota
$5.15M +$4.14M +265,441 New
Dimensional Fund Advisors
18
Dimensional Fund Advisors
Texas
$4.85M +$299K +19,188 +8%
Assenagon Asset Management
19
Assenagon Asset Management
Luxembourg
$2.4M +$1.93M +123,785 New
Nuveen
20
Nuveen
North Carolina
$1.61M +$499K +31,982 +63%
CCM
21
CAAS Capital Management
New York
$1.52M +$1.22M +78,509 New
Susquehanna International Group
22
Susquehanna International Group
Pennsylvania
$1.44M +$260K +16,670 +29%
JP Morgan Chase
23
JP Morgan Chase
New York
$1.43M -$253K -16,213 -18%
Bank of New York Mellon
24
Bank of New York Mellon
New York
$1.35M +$286K +18,357 +36%
LBA
25
Letko, Brosseau & Associates
Quebec, Canada
$1.32M +$1.06M +68,100 New