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Spero Therapeutics

Name Holding Trade Value Shares
Change
Change in
Stake
AFM
1
Anson Funds Management
Texas
$5.03M
Vanguard Group
2
Vanguard Group
Pennsylvania
$2.36M -$9.26K -6,905 -0.4%
Acadian Asset Management
3
Acadian Asset Management
Massachusetts
$1.44M
Renaissance Technologies
4
Renaissance Technologies
New York
$1.31M -$1.74K -1,299 -0.1%
AI
5
Alphabet Inc
California
$1.19M
ACM
6
ADAR1 Capital Management
Texas
$996K -$235K -175,470 -19%
BlackRock
7
BlackRock
New York
$650K +$1.9K +1,418 +0.3%
Geode Capital Management
8
Geode Capital Management
Massachusetts
$645K -$14.8K -11,000 -2%
NHAS
9
Novo Holdings A/S
Denmark
$628K
AVLSA
10
Atlas Venture Life Science Advisors
Massachusetts
$540K -$178K -132,451 -25%
AIC
11
AWM Investment Company
New York
$447K
BCM
12
Bridgeway Capital Management
Texas
$248K
State Street
13
State Street
Massachusetts
$175K
DCM
14
DAFNA Capital Management
California
$168K
Northern Trust
15
Northern Trust
Illinois
$149K -$1.08K -806 -0.7%
Citadel Advisors
16
Citadel Advisors
Florida
$109K -$309K -230,609 -74%
Susquehanna International Group
17
Susquehanna International Group
Pennsylvania
$59.3K +$28.4K +21,146 +92%
Man Group
18
Man Group
United Kingdom
$51.6K -$46.9K -34,988 -48%
Millennium Management
19
Millennium Management
New York
$43.1K -$89K -66,346 -67%
Mackenzie Financial
20
Mackenzie Financial
Ontario, Canada
$42.8K -$1.11K -826 -3%
DIM
21
DLK Investment Management
California
$42K
TSW
22
Three Seasons Wealth
Utah
$40.2K +$20.1K +15,000 +100%
Charles Schwab
23
Charles Schwab
California
$38.3K
SC
24
Shay Capital
New York
$33.5K
UBS Group
25
UBS Group
Switzerland
$23.5K +$23.1K +17,198 +5,196%