ITOS

iTeos Therapeutics
ITOS

Overview Fund Activity
Delisted

ITOS was delisted on the 28th of August, 2025.

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77 hedge funds and large institutions have $841M invested in iTeos Therapeutics in 2021 Q3 according to their latest regulatory filings, with 12 funds opening new positions, 27 increasing their positions, 25 reducing their positions, and 18 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
77
Holders Change
-6
Holders Change %
-7.23%
% of All Funds
1.35%
Holding in Top 10
4
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+33.33%
% of All Funds
0.07%
New
12
Increased
27
Reduced
25
Closed
18
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
RCMNY
1
Rubric Capital Management (New York)
New York
$26.7M
2
TCM
2
Tang Capital Management
California
$24.3M
3
RI
3
RTW Investments
New York
$63.5M
4
EC
4
EcoR1 Capital
California
$35.2M
5
SAM
5
Sectoral Asset Management
Quebec, Canada
$7.39M

Top Sellers

1
Janus Henderson Group
1
Janus Henderson Group
United Kingdom
$0
2
MAM
2
MPM Asset Management
Massachusetts
$88.8M
3
MB
3
MPM BioImpact
Massachusetts
$56.9M
4
MWNA
4
Marshall Wace North America
New York
$863K
5
Marshall Wace
5
Marshall Wace
United Kingdom
$1.53M
Name Holding Trade Value Shares
Change 		Shares
Change %
RCM
1
RA Capital Management
Massachusetts
$119M – – –
BC
2
Boxer Capital
California
$117M – – –
MAM
3
MPM Asset Management
Massachusetts
$88.8M -$10.1M -375,076 -10%
RI
4
RTW Investments
New York
$63.5M +$17.2M +636,430 +37%
MB
5
MPM BioImpact
Massachusetts
$56.9M -$6.25M -231,489 -10%
BlackRock
6
BlackRock
New York
$42.1M +$1.12M +41,498 +3%
AllianceBernstein
7
AllianceBernstein
Tennessee
$36M -$540K -19,997 -1%
EC
8
EcoR1 Capital
California
$35.2M +$7.22M +267,293 +26%
AG
9
Artal Group
Luxembourg
$26.8M – – –
RCMNY
10
Rubric Capital Management (New York)
New York
$26.7M +$26.7M +988,683 New
Citadel Advisors
11
Citadel Advisors
Florida
$26.3M -$512K -18,978 -2%
TCM
12
Tang Capital Management
California
$24.3M +$18.4M +680,604 +310%
Fidelity Investments
13
Fidelity Investments
Massachusetts
$21.7M -$154K -5,700 -0.7%
Vanguard Group
14
Vanguard Group
Pennsylvania
$16.7M +$2.81M +104,056 +20%
CS
15
Candriam SCA
Luxembourg
$14.2M +$550K +20,354 +4%
Citigroup
16
Citigroup
New York
$11.2M -$513K -19,012 -4%
Geode Capital Management
17
Geode Capital Management
Massachusetts
$9.38M +$1.71M +63,385 +22%
State Street
18
State Street
Massachusetts
$8.7M +$106K +3,938 +1%
CAM
19
Cormorant Asset Management
Massachusetts
$7.79M – – –
SAM
20
Sectoral Asset Management
Quebec, Canada
$7.39M +$7.18M +266,000 +3,455%
Wellington Management Group
21
Wellington Management Group
Massachusetts
$6.03M – – –
Axa
22
Axa
France
$5.84M +$215K +7,969 +4%
6CM
23
683 Capital Management
New York
$5.41M +$5.41M +200,413 New
Northern Trust
24
Northern Trust
Illinois
$4.76M +$104K +3,843 +2%
Goldman Sachs
25
Goldman Sachs
New York
$4.73M +$1.46M +54,010 +45%
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