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IO Biotech
IOBT

Overview Fund Activity

26 hedge funds and large institutions have $25.3M invested in IO Biotech in 2025 Q2 according to their latest regulatory filings, with 6 funds opening new positions, 5 increasing their positions, 8 reducing their positions, and 1 closing their positions.

Holders
26
Holders Change
+5
Holders Change %
+23.81%
% of All Funds
0.35%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.01%
New
6
Increased
5
Reduced
8
Closed
1
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
MG
1
Marex Group
$62.6K
2
NA
2
NewEdge Advisors
Louisiana
$33.7K
3
SAM
3
Sectoral Asset Management
Quebec, Canada
$164K
4
CSS
4
Cubist Systematic Strategies
Connecticut
$18.2K
5
Renaissance Technologies
5
Renaissance Technologies
New York
$194K

Top Sellers

1
PHS
1
PFM Health Sciences
California
$2.74M
2
DIG
2
Dauntless Investment Group
New Hampshire
$451K
3
Morgan Stanley
3
Morgan Stanley
New York
$909K
4
LCM
4
Landscape Capital Management
New Jersey
$483K
5
Bank of America
5
Bank of America
North Carolina
$2.24M
Name Market Value Shares Shares
Change 		Shares
Change %
VC
1
Vivo Capital
California
$8.58M 6,173,439 – –
NHAS
2
Novo Holdings A/S
Denmark
$4.66M 3,354,449 – –
Marshall Wace
3
Marshall Wace
United Kingdom
$2.93M 2,105,262 – –
PHS
4
PFM Health Sciences
California
$2.74M 1,972,073 -369,034 -16%
Bank of America
5
Bank of America
North Carolina
$2.24M 1,615,074 -36,441 -2%
PBPIA
6
Pivotal bioVenture Partners Investment Advisor
California
$1.2M 864,197 – –
Morgan Stanley
7
Morgan Stanley
New York
$909K 653,678 -135,783 -17%
LCM
8
Landscape Capital Management
New Jersey
$483K 347,408 -52,826 -13%
DIG
9
Dauntless Investment Group
New Hampshire
$451K 324,389 -357,057 -52%
SCM
10
Soleus Capital Management
Connecticut
$268K 192,670 – –
Renaissance Technologies
11
Renaissance Technologies
New York
$194K 139,300 +12,900 +10%
SAM
12
Sectoral Asset Management
Quebec, Canada
$164K 117,691 +22,691 +24%
BCM
13
Bridgeway Capital Management
Texas
$104K 75,000 – –
MG
14
Marex Group
$62.6K 45,000 +45,000 New
Geode Capital Management
15
Geode Capital Management
Massachusetts
$46.3K 33,307 – –
XT
16
XTX Topco
Cayman Islands
$40.6K 29,189 -21,297 -42%
Citadel Advisors
17
Citadel Advisors
Florida
$40.1K 28,866 -16,689 -37%
Jane Street
18
Jane Street
New York
$36.1K 25,946 +2,229 +9%
NA
19
NewEdge Advisors
Louisiana
$33.7K 24,217 +24,217 New
Acadian Asset Management
20
Acadian Asset Management
Massachusetts
$32K 23,366 -7,492 -24%
UBS Group
21
UBS Group
Switzerland
$18.4K 13,259 +904 +7%
CSS
22
Cubist Systematic Strategies
Connecticut
$18.2K 13,096 +13,096 New
TSS
23
Two Sigma Securities
New York
$14.4K 10,385 +10,385 New
Raymond James Financial
24
Raymond James Financial
Florida
$1.39K 1,000 +1,000 New
Citigroup
25
Citigroup
New York
$436 314 +314 New
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