iTeos Therapeutics, Inc.

ITOSDelisted Aug 29, 2025

Industry: Biological Products, (No Diagnostic Substances)
SEC CIK: 0001808865

SEC filings (opens in a new tab)

iTeos Therapeutics, Inc. was delisted on Aug 29, 2025; its insiders filed their last Form 4 on Aug 29, 2025; 137 institutions reported holding it in 13F filings for Q2 2025, worth $377.0M in total; no superinvestor held it.

Q4 2021 vs. Q3 2021

How the institutions holding iTeos Therapeutics, Inc. changed between Q3 2021 and Q4 2021.

All holders in Q4 2021 All holders in Q3 2021

13F holders of ITOS: Q3 2021 compared with Q4 2021
Measure	Q3 2021	Of which not filed for Q4 2021	Q4 2021	Change
Holders	77	1	118	+42
Shares	31.2M	32.0K	33.4M	+2.28M (+7.3%)
Value	$841.3M	$863.0K	$1.55B	+$713.1M (+84.8%)

1 institution that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so the changes leave them out.

New holders (46)

Institutions that held iTeos Therapeutics, Inc. at the end of Q4 2021 but not at the end of Q3 2021.

Institutions new to ITOS in Q4 2021
Institution	Shares	Value	% of portfolio
Octagon Capital Advisors LP	450,776	$21.0M	4.08%
Millennium Management LLC	227,436	$10.6M	0.01%
Hillsdale Investment Management Inc.	146,500	$6.82M	0.46%
Point72 Asset Management, L.P.	105,030	$4.89M	0.02%
Federated Hermes, Inc.	95,798	$4.46M	0.01%
ExodusPoint Capital Management, LP	81,511	$3.79M	0.05%
Susquehanna International Group, LLP	76,850	$3.58M	0.01%
EAM Investors, LLC	65,707	$3.06M	0.50%
Prudential Financial Inc	56,630	$2.64M	0.00%
Allspring Global Investments Holdings, LLC	56,503	$2.63M	0.00%
Norges Bank	52,500	$2.44M	0.00%
Integral Health Asset Management, LLC	50,000	$2.33M	0.65%
American Century Companies Inc	48,208	$2.25M	0.00%
Jacobs Levy Equity Management, Inc	45,551	$2.12M	0.01%
EAM Global Investors LLC	43,493	$2.02M	0.36%
Putnam Investments LLC	42,309	$1.97M	0.00%
Jump Financial, LLC	41,900	$1.95M	0.12%
Rafferty Asset Management, LLC	40,316	$1.88M	0.01%
Jackson Creek Investment Advisors LLC	37,994	$1.77M	0.63%
HighVista Strategies LLC	34,487	$1.61M	1.28%
Walleye Capital LLC	34,253	$1.59M	0.05%
Renaissance Technologies LLC	33,100	$1.54M	0.00%
Swiss National Bank	31,000	$1.44M	0.00%
Corton Capital Inc.	27,377	$1.27M	0.57%
Massachusetts Financial Services Co	24,829	$1.16M	0.00%
Vident Investment Advisory, LLC	24,153	$1.13M	0.03%
First Republic Investment Management, Inc.	23,617	$1.10M	0.00%
Cinctive Capital Management LP	21,200	$987.0K	0.05%
Perceptive Advisors LLC	20,000	$931.0K	0.01%
SEI Investments Co	17,819	$830.0K	0.00%
Alberta Investment Management Corp	16,777	$781.0K	0.00%
AlphaCentric Advisors LLC	15,000	$698.0K	0.20%
Jane Street Group, LLC	14,853	$692.0K	0.00%
Fifth Lane Capital, LP	14,566	$678.0K	0.40%
Credit Suisse AG	11,502	$535.0K	0.00%
Delphia (USA) Inc.	10,631	$495.0K	0.53%
Acadian Asset Management LLC	7,497	$347.0K	0.00%
Verition Fund Management LLC	6,435	$300.0K	0.00%
Old Well Partners, LLC	5,096	$237.0K	0.15%
Nomura Holdings Inc	4,852	$226.0K	0.00%
Russell Investments Group, Ltd.	4,400	$204.0K	0.00%
Lazard Asset Management LLC	3,837	$178.0K	0.00%
Nisa Investment Advisors, LLC	2,600	$95.0K	0.00%
Lindbrook Capital, LLC	930	$43.0K	0.01%
Great West Life Assurance Co	785	$36.0K	0.00%
Signaturefd, LLC	5	$0	0.00%

Sold out (4)

Institutions that held iTeos Therapeutics, Inc. at the end of Q3 2021 and filed for Q4 2021 without it.

Institutions that sold out of ITOS in Q4 2021
Institution	Shares, Q3 2021	Value, Q3 2021
683 Capital Management, LLC	200,413	$5.41M
Mirabella Financial Services LLP	14,280	$386.0K
Boothbay Fund Management, LLC	9,888	$267.0K
Penserra Capital Management LLC	805	$21.0K

Not filed for Q4 2021 yet (1)

Institutions that held iTeos Therapeutics, Inc. at the end of Q3 2021 and haven't filed a 13F for Q4 2021. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ITOS in Q3 2021 that haven't filed for Q4 2021
Institution	Shares, Q3 2021	Value, Q3 2021
Marshall Wace North America L.P.	31,976	$863.0K