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ITOS

iTeos Therapeutics
ITOS

Delisted

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

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159 hedge funds and large institutions have $1.17B invested in iTeos Therapeutics in 2022 Q1 according to their latest regulatory filings, with 54 funds opening new positions, 50 increasing their positions, 41 reducing their positions, and 11 closing their positions.

New
Increased
Maintained
Reduced
Closed

391% more first-time investments, than exits

New positions opened: 54 | Existing positions closed: 11

35% more funds holding

Funds holding: 118 → 159 (+41)

22% more repeat investments, than reductions

Existing positions increased: 50 | Existing positions reduced: 41

6.88% more ownership

Funds ownership: 94.71% → 101.59% (+6.9%)

25% less capital invested

Capital invested by funds: $1.55B → $1.17B (-$387M)

29% less funds holding in top 10

Funds holding in top 10: 7 → 5 (-2)

83% less call options, than puts

Call options by funds: $343K | Put options by funds: $2.07M

Holders
159
Holders Change
+41
Holders Change %
+34.75%
% of All Funds
2.51%
Holding in Top 10
5
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-28.57%
% of All Funds
0.08%
New
54
Increased
50
Reduced
41
Closed
11
Calls
$343K
Puts
$2.07M
Net Calls
-$1.73M
Net Calls Change
-$1.73M

Top Buyers

Rank Fund Capital Flow
1
BlackRock
BlackRock
New York
+$62.4M
2
BI
BVF Inc
California
+$50.9M
3
State Street
State Street
Massachusetts
+$34.5M
4
Deutsche Bank
Deutsche Bank
Germany
+$24.4M
5
Morgan Stanley
Morgan Stanley
New York
+$23.2M

Top Sellers

Rank Fund Capital Flow
1
RI
RTW Investments
New York
-$67.7M
2
EC
EcoR1 Capital
California
-$44.7M
3
BC
Boxer Capital
California
-$41.9M
4
Citadel Advisors
Citadel Advisors
Florida
-$17.3M
5
RCMNY
Rubric Capital Management (New York)
New York
-$12.7M
Name Holding Trade Value Shares
Change 		Change in
Stake
Adage Capital Partners
51
Adage Capital Partners
Massachusetts
$3.38M -$2.36M -65,000 -38%
Wellington Management Group
52
Wellington Management Group
Massachusetts
$3.37M -$78.9K -2,171 -2%
CAM
53
Cormorant Asset Management
Massachusetts
$3.22M -$1.82M -50,000 -33%
Voloridge Investment Management
54
Voloridge Investment Management
Florida
$3.18M +$3.59M +98,685 New
Rafferty Asset Management
55
Rafferty Asset Management
New York
$3.13M +$2.07M +56,985 +141%
PPA
56
Parametric Portfolio Associates
Washington
$3.13M -$972K -26,759 -22%
DCM
57
DAFNA Capital Management
California
$2.87M +$1.28M +35,208 +65%
Ameriprise
58
Ameriprise
Minnesota
$2.87M +$3.24M +89,299 New
IHAM
59
Integral Health Asset Management
New York
$2.73M +$1.27M +35,000 +70%
Barclays
60
Barclays
United Kingdom
$2.7M +$3.05M +83,999 New
EC
61
EcoR1 Capital
California
$2.34M -$44.7M -1,230,336 -94%
Walleye Capital
62
Walleye Capital
New York
$2.22M +$1.26M +34,638 +101%
SG Americas Securities
63
SG Americas Securities
New York
$1.93M +$1.93M +53,046 +763%
Norges Bank
64
Norges Bank
Norway
$1.69M – – –
Massachusetts Financial Services
65
Massachusetts Financial Services
Massachusetts
$1.65M +$965K +26,558 +107%
SEI Investments
66
SEI Investments
Pennsylvania
$1.58M +$1.13M +31,119 +175%
Jacobs Levy Equity Management
67
Jacobs Levy Equity Management
New Jersey
$1.56M +$109K +2,994 +7%
Legal & General Group
68
Legal & General Group
United Kingdom
$1.46M +$1.46M +40,137 +753%
RhumbLine Advisers
69
RhumbLine Advisers
Massachusetts
$1.4M +$585K +16,099 +59%
TCM
70
Tekla Capital Management
Massachusetts
$1.36M – – –
PI
71
Putnam Investments
Massachusetts
$1.27M -$107K -2,944 -7%
Public Sector Pension Investment Board (PSP Investments)
72
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$1.21M +$1.37M +37,570 New
Victory Capital Management
73
Victory Capital Management
Texas
$1.2M +$1.62M +44,520 New
Swiss National Bank
74
Swiss National Bank
Switzerland
$1.07M +$87.2K +2,400 +8%
Los Angeles Capital Management
75
Los Angeles Capital Management
California
$1.05M +$1.18M +32,605 New
1 2
3
4 5

ITOS Hedge Fund Activity: Q1 2022 in Review

159 of the 6,340 institutional investors tracked by Wall St. Rank reported a position in iTeos Therapeutics (ITOS) for Q1 2022, worth a combined $1.17B — down 25% from $1.55B a quarter earlier.

Buyers outnumbered sellers: 54 funds opened new ITOS positions and 11 closed out — a net gain of 43 holders — while 50 added to existing stakes and 41 trimmed.

The largest buyer was BlackRock, adding an estimated $62.4M. The largest seller was RTW Investments, cutting an estimated $67.7M.

  • 159 institutional investors held iTeos Therapeutics (ITOS) as of Q1 2022, up from 118 in Q4 2021.
  • Funds reported $1.17B of iTeos Therapeutics stock for Q1 2022, down 25% quarter-over-quarter.
  • 54 funds opened new iTeos Therapeutics positions in Q1 2022 and 11 closed out, a net change of +43 holders.
  • The largest iTeos Therapeutics buyer in Q1 2022 was BlackRock, an estimated $62.4M added.
  • The largest iTeos Therapeutics seller in Q1 2022 was RTW Investments, an estimated $67.7M sold.

Based on aggregated 13F filings for Q1 2022.