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ITOS

iTeos Therapeutics

Delisted

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

71 hedge funds and large institutions have $907M invested in iTeos Therapeutics in 2020 Q4 according to their latest regulatory filings, with 22 funds opening new positions, 24 increasing their positions, 12 reducing their positions, and 5 closing their positions.

New
Increased
Maintained
Reduced
Closed

340% more first-time investments, than exits

New positions opened: 22 | Existing positions closed: 5

100% more repeat investments, than reductions

Existing positions increased: 24 | Existing positions reduced: 12

48% more capital invested

Capital invested by funds: $614M → $907M (+$292M)

33% more funds holding in top 10

Funds holding in top 10: 34 (+1)

31% more funds holding

Funds holding: 5471 (+17)

5.55% more ownership

Funds ownership: 71.2%76.75% (+5.5%)

Holders
71
Holders Change
+17
Holders Change %
+31.48%
% of All Funds
1.26%
Holding in Top 10
4
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+33.33%
% of All Funds
0.07%
New
22
Increased
24
Reduced
12
Closed
5
Calls
Puts
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
RCM
1
RA Capital Management
Massachusetts
$149M
BC
2
Boxer Capital
California
$147M
MAM
3
MPM Asset Management
Massachusetts
$125M
MB
4
MPM BioImpact
Massachusetts
$79.7M
Janus Henderson Group
5
Janus Henderson Group
United Kingdom
$64.7M +$26.2M +988,298 +99%
AllianceBernstein
6
AllianceBernstein
Tennessee
$37.1M +$8.74M +330,016 +43%
AG
7
Artal Group
Luxembourg
$37M
BlackRock
8
BlackRock
New York
$36M +$10.7M +402,336 +61%
RI
9
RTW Investments
New York
$36M +$4.54M +171,311 +19%
Citadel Advisors
10
Citadel Advisors
Florida
$27M -$2.67M -100,975 -11%
Fidelity Investments
11
Fidelity Investments
Massachusetts
$24.9M +$2.61M +98,681 +15%
Vanguard Group
12
Vanguard Group
Pennsylvania
$22M +$5.97M +225,487 +53%
ACA
13
Avoro Capital Advisors
New York
$15.6M
Adage Capital Partners
14
Adage Capital Partners
Massachusetts
$11.1M +$8.65M +326,857 New
ABG
15
Ally Bridge Group
New York
$10.9M +$8.55M +322,794 New
CAM
16
Cormorant Asset Management
Massachusetts
$10.1M -$1.32M -50,000 -14%
EC
17
EcoR1 Capital
California
$8.79M
State Street
18
State Street
Massachusetts
$6.39M +$1.53M +57,773 +44%
Geode Capital Management
19
Geode Capital Management
Massachusetts
$6.13M +$816K +30,816 +21%
RSCM
20
Rock Springs Capital Management
Maryland
$5.41M -$1.77M -66,724 -29%
BBA
21
Baker Bros. Advisors
New York
$5.08M -$456K -17,216 -10%
ACM
22
Asymmetry Capital Management
California
$4.68M +$2.13M +80,633 +140%
Northern Trust
23
Northern Trust
Illinois
$4.46M +$113K +4,279 +3%
LGM
24
Logos Global Management
California
$3.38M -$5.29M -200,000 -67%
APM
25
Avidity Partners Management
Texas
$3.13M -$6.29M -237,426 -72%

ITOS Hedge Fund Activity: Q4 2020 in Review

71 of the 5,651 institutional investors tracked by Wall St. Rank reported a position in iTeos Therapeutics (ITOS) for Q4 2020, worth a combined $907M — up 48% from $614M a quarter earlier.

Buyers outnumbered sellers: 22 funds opened new ITOS positions and 5 closed out — a net gain of 17 holders — while 24 added to existing stakes and 12 trimmed.

The largest buyer was Janus Henderson Group, adding an estimated $26.2M. The largest seller was PFM Health Sciences, exiting entirely with an estimated $10M sold.

  • 71 institutional investors held iTeos Therapeutics (ITOS) as of Q4 2020, up from 54 in Q3 2020.
  • Funds reported $907M of iTeos Therapeutics stock for Q4 2020, up 48% quarter-over-quarter.
  • 22 funds opened new iTeos Therapeutics positions in Q4 2020 and 5 closed out, a net change of +17 holders.
  • The largest iTeos Therapeutics buyer in Q4 2020 was Janus Henderson Group, an estimated $26.2M added.
  • The largest iTeos Therapeutics seller in Q4 2020 was PFM Health Sciences, an estimated $10M sold.

Based on aggregated 13F filings for Q4 2020.