Vault-13

ITEOS THERAPEUTICS INC ITOS

COM · Common Stock · CUSIP 46565G104 · ISIN US46565G1040

0 institutional holders -1 vs Q3 2025
—reported value*
0 new 0 added 0 reduced 1 sold out net sold ≈ $2.4k (-232 shares)

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable.

Trends to Q4 2025

Institutional holders

Managers reporting a position, each quarter

0100200Q3 22: 144Q4 22: 147Q1 23: 154Q2 23: 147Q3 23: 145Q4 23: 139Q1 24: 137Q2 24: 140Q3 24: 152Q4 24: 138Q1 25: 133Q2 25: 138Q3 25: 1Q4 25: 00Q3 22Q2 23Q1 24Q4 24Q4 25
Numbers
QuarterHolders
Q3 2022144
Q4 2022147
Q1 2023154
Q2 2023147
Q3 2023145
Q4 2023139
Q1 2024137
Q2 2024140
Q3 2024152
Q4 2024138
Q1 2025133
Q2 2025138
Q3 20251
Q4 20250

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
2000200Q1 24: 51 bought or addedQ1 24: 74 cut or sold outQ2 24: 69 bought or addedQ2 24: 64 cut or sold outQ2 24Q3 24: 80 bought or addedQ3 24: 55 cut or sold outQ4 24: 70 bought or addedQ4 24: 84 cut or sold outQ4 24Q1 25: 60 bought or addedQ1 25: 66 cut or sold outQ2 25: 96 bought or addedQ2 25: 65 cut or sold outQ2 25Q3 25: 1 bought or addedQ3 25: 134 cut or sold outQ4 25: 0 bought or addedQ4 25: 1 cut or sold outQ4 25
Numbers
QuarterBought or addedCut or sold out
Q1 20245174
Q2 20246964
Q3 20248055
Q4 20247084
Q1 20256066
Q2 20259665
Q3 20251134
Q4 202501

Calls vs puts

Options held, notional value, last 4 quarters. P/C = puts ÷ calls

CallsPuts
$0$2.5m$5m$7.5m$10mQ1 25 calls: $1.0mQ1 25 puts: $4.7mQ1 25P/C 4.55Q2 25 calls: $8.5mQ2 25 puts: $8.7mQ2 25P/C 1.03Q3 25 calls: $0Q3 25 puts: $0Q3 25P/C —Q4 25 calls: $0Q4 25 puts: $0Q4 25P/C —
Numbers
QuarterCallsPutsP/C
Q1 2025$1.0m$4.7m4.55
Q2 2025$8.5m$8.7m1.03
Q3 2025$0$0—
Q4 2025$0$0—

Biggest buyers

None

Biggest sellers

IFP Advisors, Inc Sold out -232-232

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

HolderStakeChangeShares Last filed
TANG CAPITAL MANAGEMENT LLC 13D · may seek influence +90.0 pts · filed 2025-09-03
Stated purposeItem 4 of the Schedule 13D is amended by adding the following: Closing of the Merger: As previously disclosed, each of Concentra, the Issuer and Merger Sub entered into the Merger Agreement, which provides for an Offer by Merger Sub for all of the Issuer's Common Stock. The Offer commenced on August 1, 2025. On August 29, 2025, the Offer expired and Merger Sub accepted for purchase a total of 32,226,407 shares tendered and not withdrawn, representing approximately 72.17% of the total shares of the Issuer issued and outstanding. Following the expiration of the Offer, Merger Sub merged with and into the Issuer on August 29, 2025, pursuant to Section 251(h) of the Delaware General Corporation Law, and, among other things, each share of common stock of Merger Sub issued and outstanding immed… Full filing
 100.0% +90.0 pts 10.0k 2025-09-03
EcoR1 Capital, LLC 13D · may seek influence +13.0 pts · filed 2025-05-16
Stated purposeAll of the Common Stock of the Issuer reported on this Schedule 13D was acquired in the ordinary course of business by the reporting persons for investment purposes. The reporting persons have no present plans or proposals that relate to or would result in any of the actions described in Item 4(a) through (j) of Schedule 13D. The reporting persons may evaluate on a continuing basis the investment in the Issuer and may, from time to time, acquire or dispose of Common Stock of the Issuer. Any such acquisitions or dispositions will depend upon (i) the price and availability of the Issuer's securities; (ii) subsequent developments concerning the Issuer's business and prospects and the industry in which the Issuer operates; (iii) investment policies of the reporting persons; (iv) other invest… Full filing
 27.9% +13.0 pts 10.7m 2025-05-16
BlackRock Portfolio Management LLC 13G · institution new · filed 2025-04-15 6.1% new 2.3m 2025-04-15
BlackRock, Inc. 13G · institution filed 2025-04-23 5.7% 2.2m 2025-04-23

Fell to 5% or below in the last year: Ridgeback Capital Investments L.P. (0.0%, 2025-11-14)

Holders, Q4 2025

#ManagerLocationShares Value% of their portfolioChangeShares change