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ITOS

iTeos Therapeutics
ITOS

Delisted

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

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81 hedge funds and large institutions have $1.03B invested in iTeos Therapeutics in 2021 Q1 according to their latest regulatory filings, with 19 funds opening new positions, 35 increasing their positions, 13 reducing their positions, and 9 closing their positions.

New
Increased
Maintained
Reduced
Closed

169% more repeat investments, than reductions

Existing positions increased: 35 | Existing positions reduced: 13

111% more first-time investments, than exits

New positions opened: 19 | Existing positions closed: 9

14% more funds holding

Funds holding: 71 → 81 (+10)

13% more capital invested

Capital invested by funds: $907M → $1.03B (+$121M)

8.97% more ownership

Funds ownership: 76.75% → 85.72% (+9%)

0% more funds holding in top 10

Funds holding in top 10: 4 → 4 (0)

Holders
81
Holders Change
+10
Holders Change %
+14.08%
% of All Funds
1.42%
Holding in Top 10
4
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.07%
New
19
Increased
35
Reduced
13
Closed
9
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
RI
RTW Investments
New York
+$61M
2
Adage Capital Partners
Adage Capital Partners
Massachusetts
+$33.6M
3
CAC
Cowen and Company
New York
+$21.3M
4
State Street
State Street
Massachusetts
+$18.6M
5
BlackRock
BlackRock
New York
+$16.9M

Top Sellers

Rank Fund Capital Flow
1
Janus Henderson Group
Janus Henderson Group
United Kingdom
-$29.4M
2
ACA
Avoro Capital Advisors
New York
-$15.6M
3
Citadel Advisors
Citadel Advisors
Florida
-$10.3M
4
RSCM
Rock Springs Capital Management
Maryland
-$5.41M
5
LGM
Logos Global Management
California
-$3.38M
Name Holding Trade Value Shares
Change 		Change in
Stake
Charles Schwab
26
Charles Schwab
California
$3.2M +$685K +18,961 +25%
Deutsche Bank
27
Deutsche Bank
Germany
$2.45M +$2.3M +63,653 +798%
Goldman Sachs
28
Goldman Sachs
New York
$2.27M +$213K +5,892 +10%
Bank of New York Mellon
29
Bank of New York Mellon
New York
$1.88M +$501K +13,851 +34%
Wellington Management Group
30
Wellington Management Group
Massachusetts
$1.76M -$351K -9,700 -16%
JGC
31
J. Goldman & Co
New York
$1.44M +$1.52M +42,110 New
Citigroup
32
Citigroup
New York
$1.21M +$1.16M +31,999 +968%
California State Teachers Retirement System (CalSTRS)
33
California State Teachers Retirement System (CalSTRS)
California
$1.02M +$463K +12,823 +76%
Swiss National Bank
34
Swiss National Bank
Switzerland
$947K – – –
Rafferty Asset Management
35
Rafferty Asset Management
New York
$930K +$984K +27,221 New
Man Group
36
Man Group
United Kingdom
$861K -$97.6K -2,701 -10%
California Public Employees Retirement System
37
California Public Employees Retirement System
California
$742K -$72.2K -1,997 -8%
Susquehanna International Group
38
Susquehanna International Group
Pennsylvania
$690K +$730K +20,192 New
HS
39
HighVista Strategies
Massachusetts
$677K +$69.5K +1,924 +11%
RhumbLine Advisers
40
RhumbLine Advisers
Massachusetts
$635K +$291K +8,039 +76%
State of Wisconsin Investment Board
41
State of Wisconsin Investment Board
Wisconsin
$513K – – –
Millennium Management
42
Millennium Management
New York
$499K -$43.9K -1,216 -8%
SO
43
STRS Ohio
Ohio
$488K +$419K +11,600 +430%
New York State Common Retirement Fund
44
New York State Common Retirement Fund
New York
$468K +$145K +4,000 +41%
CF
45
CNA Financial
Illinois
$443K +$11.6K +320 +3%
UBS Group
46
UBS Group
Switzerland
$428K +$322K +8,919 +247%
PL
47
Parkwood LLC
Ohio
$419K +$443K +12,251 New
AI
48
Atom Investors
Texas
$385K +$407K +11,261 New
Jane Street
49
Jane Street
New York
$381K +$403K +11,148 New
Manulife (Manufacturers Life Insurance)
50
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$373K +$152K +4,202 +63%
1
2
3 4

ITOS Hedge Fund Activity: Q1 2021 in Review

81 of the 5,695 institutional investors tracked by Wall St. Rank reported a position in iTeos Therapeutics (ITOS) for Q1 2021, worth a combined $1.03B — up 13% from $907M a quarter earlier.

Buyers outnumbered sellers: 19 funds opened new ITOS positions and 9 closed out — a net gain of 10 holders — while 35 added to existing stakes and 13 trimmed.

The largest buyer was RTW Investments, adding an estimated $61M. The largest seller was Janus Henderson Group, cutting an estimated $29.4M.

  • 81 institutional investors held iTeos Therapeutics (ITOS) as of Q1 2021, up from 71 in Q4 2020.
  • Funds reported $1.03B of iTeos Therapeutics stock for Q1 2021, up 13% quarter-over-quarter.
  • 19 funds opened new iTeos Therapeutics positions in Q1 2021 and 9 closed out, a net change of +10 holders.
  • The largest iTeos Therapeutics buyer in Q1 2021 was RTW Investments, an estimated $61M added.
  • The largest iTeos Therapeutics seller in Q1 2021 was Janus Henderson Group, an estimated $29.4M sold.

Based on aggregated 13F filings for Q1 2021.