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Spero Therapeutics

Name Holding Trade Value Shares
Change
Change in
Stake
GP
1
GSK plc
$20.3M
P
2
Pfizer
New York
$5.34M
Vanguard Capital Management
3
Vanguard Capital Management
Pennsylvania
$4.5M +$618K +236,346 +13%
Renaissance Technologies
4
Renaissance Technologies
New York
$2.09M -$631K -241,331 -20%
AI
5
Alphabet Inc
California
$1.97M
Susquehanna International Group
6
Susquehanna International Group
Pennsylvania
$1.68M +$1.11M +426,175 +128%
BlackRock
7
BlackRock
New York
$1.31M +$422K +161,202 +37%
Geode Capital Management
8
Geode Capital Management
Massachusetts
$1.25M +$121K +46,407 +9%
Raymond James Financial
9
Raymond James Financial
Florida
$1.15M +$1.36M +521,705 New
Two Sigma Investments
10
Two Sigma Investments
New York
$846K -$1.32M -502,817 -57%
Arrowstreet Capital
11
Arrowstreet Capital
Massachusetts
$736K +$871K +332,970 New
Vanguard Fiduciary Trust
12
Vanguard Fiduciary Trust
Pennsylvania
$636K +$61.6K +23,533 +9%
GCP
13
GSA Capital Partners
United Kingdom
$632K +$19.9K +7,602 +3%
Dimensional Fund Advisors
14
Dimensional Fund Advisors
Texas
$608K +$641K +245,052 +823%
Goldman Sachs
15
Goldman Sachs
New York
$568K +$672K +256,985 New
State Street
16
State Street
Massachusetts
$475K
Jane Street
17
Jane Street
New York
$349K +$135K +51,752 +49%
UBS Group
18
UBS Group
Switzerland
$309K +$357K +136,671 +4,542%
BCM
19
Bridgeway Capital Management
Texas
$254K
Northern Trust
20
Northern Trust
Illinois
$239K -$33.2K -12,710 -11%
Point72 Asset Management
21
Point72 Asset Management
Connecticut
$231K +$117K +44,709 +75%
ICM
22
Ionic Capital Management
New York
$227K -$244K -93,241 -48%
FDCDDQ
23
Federation des caisses Desjardins du Quebec
Quebec, Canada
$202K +$240K +91,900 New
SC
24
Shay Capital
New York
$160K +$5.33K +2,037 +3%
Invesco
25
Invesco
Georgia
$142K +$49.4K +18,871 +42%