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Spero Therapeutics
SPRO

Overview Fund Activity

56 hedge funds and large institutions have $20.8M invested in Spero Therapeutics in 2023 Q2 according to their latest regulatory filings, with 11 funds opening new positions, 11 increasing their positions, 13 reducing their positions, and 3 closing their positions.

Holders
56
Holders Change
+8
Holders Change %
+16.67%
% of All Funds
0.88%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.02%
New
11
Increased
11
Reduced
13
Closed
3
Calls
$26K
Puts
$180K
Net Calls
-$154K
Net Calls Change
-$39K

Top Buyers

1
Ameriprise
1
Ameriprise
Minnesota
$679K
2
Renaissance Technologies
2
Renaissance Technologies
New York
$860K
3
Acadian Asset Management
3
Acadian Asset Management
Massachusetts
$250K
4
AFM
4
Anson Funds Management
Texas
$5M
5
Vanguard Group
5
Vanguard Group
Pennsylvania
$2.21M

Top Sellers

1
AIC
1
AWM Investment Company
New York
$556K
2
Millennium Management
2
Millennium Management
New York
$542K
3
Marshall Wace
3
Marshall Wace
United Kingdom
$0
4
M
4
Murchinson
Ontario, Canada
$1.11M
5
AVAI
5
Atlas Venture Associates IX
Massachusetts
$1.96M
Name Market Value Shares Shares
Change 		Shares
Change %
AFM
1
Anson Funds Management
Texas
$5M 3,444,862 +100,000 +3%
Vanguard Group
2
Vanguard Group
Pennsylvania
$2.21M 1,526,474 +99,903 +7%
AVAI
3
Atlas Venture Associates IX
Massachusetts
$1.96M 1,353,303 -23,665 -2%
AVLSA
4
Atlas Venture Life Science Advisors
Massachusetts
$1.47M 1,013,438 -17,722 -2%
AI
5
Alphabet Inc
California
$1.29M 889,979 – –
M
6
Murchinson
Ontario, Canada
$1.11M 762,700 -42,921 -5%
RSCM
7
Rock Springs Capital Management
Maryland
$971K 669,533 – –
Renaissance Technologies
8
Renaissance Technologies
New York
$860K 593,431 +183,131 +45%
BlackRock
9
BlackRock
New York
$760K 523,804 +33,991 +7%
NHAS
10
Novo Holdings A/S
Denmark
$680K 468,902 – –
Ameriprise
11
Ameriprise
Minnesota
$679K 467,960 +467,960 New
Geode Capital Management
12
Geode Capital Management
Massachusetts
$567K 390,805 +52,949 +16%
AIC
13
AWM Investment Company
New York
$556K 383,400 -917,000 -71%
Millennium Management
14
Millennium Management
New York
$542K 373,850 -120,691 -24%
OMC
15
OUP Management Company
Pennsylvania
$361K 249,070 – –
Acadian Asset Management
16
Acadian Asset Management
Massachusetts
$250K 173,539 +173,539 New
DCM
17
DAFNA Capital Management
California
$181K 125,000 – –
State Street
18
State Street
Massachusetts
$161K 110,711 – –
BCM
19
Bridgeway Capital Management
Texas
$159K 109,800 – –
XT
20
XTX Topco
Cayman Islands
$154K 106,384 -13,477 -11%
Group One Trading
21
Group One Trading
Illinois
$133K 91,970 +4,866 +6%
Northern Trust
22
Northern Trust
Illinois
$129K 88,745 +2,489 +3%
Two Sigma Investments
23
Two Sigma Investments
New York
$123K 84,535 +52,435 +163%
Squarepoint
24
Squarepoint
New York
$113K 78,063 +78,063 New
Susquehanna International Group
25
Susquehanna International Group
Pennsylvania
$64.3K 44,359 +17,815 +67%
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