13D/13G Filings - iTeos Therapeutics Inc. (ITOS)

Real time Form 13D and 13G transaction reports:

  • Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
  • Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
  • Shares have beem adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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Time period
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Reported
DateTime
Transaction
Date
Type Company
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev Report View
2025-06-12
4:27 pm
Unchanged
2025-06-11 13D iTeos Therapeutics, Inc.
ITOS
TANG CAPITAL MANAGEMENT, LLC 3,826,692
9.990%
0
(Unchanged)
Filing
History
2025-06-04
4:00 pm
Purchase
2025-05-28 13G iTeos Therapeutics, Inc.
ITOS
Ridgeback Capital Investments L.P. 1,442,959
3.800%
1,442,959increase
(New Position)
Filing
History
2025-05-19
5:46 pm
Sale
2025-05-15 13D iTeos Therapeutics, Inc.
ITOS
RA CAPITAL MANAGEMENT L.P. 2,134,806
4.900%
-2,028,470decrease
(-48.72%)
Filing
History
2025-05-16
7:22 pm
Purchase
2025-05-15 13D iTeos Therapeutics, Inc.
ITOS
EcoR1 Capital, LLC 10,688,978
27.900%
4,958,978increase
(+86.54%)
Filing
History
2025-05-15
5:30 pm
Purchase
2025-05-13 13D iTeos Therapeutics, Inc.
ITOS
MPM BioVentures 2014, L.P. 1,803,996
4.700%
1,803,996increase
(New Position)
Filing
History
2025-05-15
4:35 pm
Purchase
2025-03-31 13G iTeos Therapeutics, Inc.
ITOS
BIOTECHNOLOGY VALUE FUND L P 3,075,000
8.100%
750,000increase
(+32.26%)
Filing
History
2025-05-15
4:15 pm
Purchase
2025-05-13 13G iTeos Therapeutics, Inc.
ITOS
TANG CAPITAL MANAGEMENT, LLC 3,826,692
9.990%
3,604,976increase
(+1625.94%)
Filing
History
2025-05-14
6:34 pm
Purchase
2025-05-12 13D iTeos Therapeutics, Inc.
ITOS
RA CAPITAL MANAGEMENT L.P. 4,163,276
9.900%
504,230increase
(+13.78%)
Filing
History
2025-05-13
7:10 pm
Purchase
2025-05-13 13G iTeos Therapeutics, Inc.
ITOS
EcoR1 Capital, LLC 5,730,000
14.900%
3,073,360increase
(+115.69%)
Filing
History
2025-05-08
7:43 pm
Purchase
2025-05-01 13G iTeos Therapeutics, Inc.
ITOS
EcoR1 Capital, LLC 2,656,640
6.900%
1,048,024increase
(+65.15%)
Filing
History
2025-04-23
8:57 pm
Sale
2025-03-31 13G iTeos Therapeutics, Inc.
ITOS
BlackRock Inc.
BLK
2,179,420
5.700%
-1,703,129decrease
(-43.87%)
Filing
History
2025-04-15
5:04 pm
Purchase
2025-03-31 13G iTeos Therapeutics, Inc.
ITOS
BlackRock Portfolio Management LLC 2,329,827
6.100%
2,329,827increase
(New Position)
Filing
History
2025-02-14
4:00 pm
Sale
2024-12-31 13G iTeos Therapeutics, Inc.
ITOS
TANG CAPITAL MANAGEMENT, LLC 221,716
0.600%
-2,186,084decrease
(-90.79%)
Filing
History
2024-11-21
8:27 pm
Purchase
2024-11-14 13G iTeos Therapeutics, Inc.
ITOS
BIOTECHNOLOGY VALUE FUND L P 2,325,000
6.400%
1,065,524increase
(+84.60%)
Filing
History
2024-11-19
09:57 am
Unchanged
2024-11-14 13D iTeos Therapeutics, Inc.
ITOS
Boxer Asset Management Inc. 1,020,052
2.800%
0
(Unchanged)
Filing
History
2024-11-18
9:57 pm
Purchase
2024-11-14 13D iTeos Therapeutics, Inc.
ITOS
Boxer Asset Management Inc. 1,020,052
2.800%
1,020,052increase
(New Position)
Filing
History
2024-11-14
6:04 pm
Sale
2024-09-30 13G iTeos Therapeutics, Inc.
ITOS
EcoR1 Capital, LLC 1,608,616
4.400%
-336,056decrease
(-17.28%)
Filing
History
2024-11-08
2:17 pm
Unchanged
2024-09-30 13G iTeos Therapeutics, Inc.
ITOS
BlackRock Inc.
BLK
3,882,549
10.600%
0
(Unchanged)
Filing
History
2024-10-21
4:11 pm
Sale
2024-09-30 13G iTeos Therapeutics, Inc.
ITOS
BlackRock Inc.
BLK
3,882,549
10.600%
-379,196decrease
(-8.90%)
Filing
History
2024-10-15
9:49 pm
Purchase
2024-10-10 13D iTeos Therapeutics, Inc.
ITOS
Boxer Capital LLC 3,020,052
8.100%
73,137increase
(+2.48%)
Filing
History
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