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Spero Therapeutics
SPRO

Overview Fund Activity

54 hedge funds and large institutions have $17.2M invested in Spero Therapeutics in 2023 Q3 according to their latest regulatory filings, with 5 funds opening new positions, 12 increasing their positions, 14 reducing their positions, and 7 closing their positions.

Holders
54
Holders Change
-2
Holders Change %
-3.57%
% of All Funds
0.86%
Holding in Top 10
2
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+100%
% of All Funds
0.03%
New
5
Increased
12
Reduced
14
Closed
7
Calls
–
Puts
$73K
Net Calls
-$73K
Net Calls Change
+$81K

Top Buyers

1
AFM
1
Anson Funds Management
Texas
$5.03M
2
M
2
Murchinson
Ontario, Canada
$1.04M
3
Acadian Asset Management
3
Acadian Asset Management
Massachusetts
$327K
4
Squarepoint
4
Squarepoint
New York
$157K
5
Vanguard Group
5
Vanguard Group
Pennsylvania
$1.88M

Top Sellers

1
RSCM
1
Rock Springs Capital Management
Maryland
$69.4K
2
Millennium Management
2
Millennium Management
New York
$145K
3
Two Sigma Investments
3
Two Sigma Investments
New York
$20.6K
4
Group One Trading
4
Group One Trading
Illinois
$41.4K
5
AIC
5
AWM Investment Company
New York
$403K
Name Market Value Shares Shares
Change 		Shares
Change %
AFM
1
Anson Funds Management
Texas
$5.03M 4,159,572 +714,710 +21%
Vanguard Group
2
Vanguard Group
Pennsylvania
$1.88M 1,557,596 +31,122 +2%
AVAI
3
Atlas Venture Associates IX
Massachusetts
$1.64M 1,353,303 – –
AVLSA
4
Atlas Venture Life Science Advisors
Massachusetts
$1.23M 1,013,438 – –
AI
5
Alphabet Inc
California
$1.08M 889,979 – –
M
6
Murchinson
Ontario, Canada
$1.04M 862,700 +100,000 +13%
Renaissance Technologies
7
Renaissance Technologies
New York
$662K 547,165 -46,266 -8%
BlackRock
8
BlackRock
New York
$583K 481,809 -41,995 -8%
NHAS
9
Novo Holdings A/S
Denmark
$567K 468,902 – –
Ameriprise
10
Ameriprise
Minnesota
$561K 463,641 -4,319 -0.9%
Geode Capital Management
11
Geode Capital Management
Massachusetts
$500K 412,707 +21,902 +6%
AIC
12
AWM Investment Company
New York
$403K 333,400 -50,000 -13%
Acadian Asset Management
13
Acadian Asset Management
Massachusetts
$327K 272,024 +98,485 +57%
OMC
14
OUP Management Company
Pennsylvania
$301K 249,070 – –
BCM
15
Bridgeway Capital Management
Texas
$163K 134,800 +25,000 +23%
State Street
16
State Street
Massachusetts
$158K 130,511 +19,800 +18%
Squarepoint
17
Squarepoint
New York
$157K 129,497 +51,434 +66%
DCM
18
DAFNA Capital Management
California
$151K 125,000 – –
Millennium Management
19
Millennium Management
New York
$145K 119,694 -254,156 -68%
Northern Trust
20
Northern Trust
Illinois
$108K 88,881 +136 +0.2%
XT
21
XTX Topco
Cayman Islands
$70.6K 58,368 -48,016 -45%
RSCM
22
Rock Springs Capital Management
Maryland
$69.4K 57,373 -612,160 -91%
Group One Trading
23
Group One Trading
Illinois
$41.4K 34,190 -57,780 -63%
Charles Schwab
24
Charles Schwab
California
$34.6K 28,565 – –
Prudential Financial
25
Prudential Financial
New Jersey
$34.1K 28,200 +3,800 +16%
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