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Spero Therapeutics
SPRO

Overview Fund Activity

50 hedge funds and large institutions have $143M invested in Spero Therapeutics in 2023 Q4 according to their latest regulatory filings, with 6 funds opening new positions, 10 increasing their positions, 10 reducing their positions, and 8 closing their positions.

Holders
50
Holders Change
-4
Holders Change %
-7.41%
% of All Funds
0.73%
Holding in Top 10
1
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-50%
% of All Funds
0.01%
New
6
Increased
10
Reduced
10
Closed
8
Calls
–
Puts
$29K
Net Calls
-$29K
Net Calls Change
+$44K

Top Buyers

1
ACM
1
ADAR1 Capital Management
Texas
$1.57M
2
AFM
2
Anson Funds Management
Texas
$6.32M
3
Vanguard Group
3
Vanguard Group
Pennsylvania
$2.42M
4
Acadian Asset Management
4
Acadian Asset Management
Massachusetts
$505K
5
Citadel Advisors
5
Citadel Advisors
Florida
$47.4K

Top Sellers

1
Ameriprise
1
Ameriprise
Minnesota
$592K
2
RSCM
2
Rock Springs Capital Management
Maryland
$0
3
Group One Trading
3
Group One Trading
Illinois
$6.75K
4
UBS Group
4
UBS Group
Switzerland
$484
5
HF
5
HRT Financial
New York
$0
Name Market Value Shares Shares
Change 		Shares
Change %
NHAS
1
Novo Holdings A/S
Denmark
$123M 468,902 – –
AFM
2
Anson Funds Management
Texas
$6.32M 4,297,699 +138,127 +3%
Vanguard Group
3
Vanguard Group
Pennsylvania
$2.42M 1,643,757 +86,161 +6%
ACM
4
ADAR1 Capital Management
Texas
$1.57M 1,067,711 +1,067,711 New
AVLSA
5
Atlas Venture Life Science Advisors
Massachusetts
$1.49M 1,013,438 – –
AI
6
Alphabet Inc
California
$1.31M 889,979 – –
M
7
Murchinson
Ontario, Canada
$1.27M 862,700 – –
Renaissance Technologies
8
Renaissance Technologies
New York
$805K 547,465 +300 +0.1%
BlackRock
9
BlackRock
New York
$706K 480,599 -1,210 -0.3%
Geode Capital Management
10
Geode Capital Management
Massachusetts
$607K 412,707 – –
Ameriprise
11
Ameriprise
Minnesota
$592K 402,963 -60,678 -13%
Acadian Asset Management
12
Acadian Asset Management
Massachusetts
$505K 343,856 +71,832 +26%
AIC
13
AWM Investment Company
New York
$490K 333,400 – –
Millennium Management
14
Millennium Management
New York
$219K 148,857 +29,163 +24%
BCM
15
Bridgeway Capital Management
Texas
$198K 134,800 – –
State Street
16
State Street
Massachusetts
$192K 130,511 – –
DCM
17
DAFNA Capital Management
California
$184K 125,000 – –
Squarepoint
18
Squarepoint
New York
$181K 122,802 -6,695 -5%
Northern Trust
19
Northern Trust
Illinois
$131K 88,881 – –
XT
20
XTX Topco
Cayman Islands
$97K 65,966 +7,598 +13%
Citadel Advisors
21
Citadel Advisors
Florida
$47.4K 32,274 +32,274 New
DIM
22
DLK Investment Management
California
$46.1K 31,355 +31,355 New
Charles Schwab
23
Charles Schwab
California
$42K 28,565 – –
Prudential Financial
24
Prudential Financial
New Jersey
$41.5K 28,200 – –
Morgan Stanley
25
Morgan Stanley
New York
$35.4K 24,070 +15,082 +168%
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