BlackRock, Inc.

Holdings History for OCTAVE SPECIALTY GROUP INC - Common Stock, $0.01 par value per share (OSG)

Symbol: OSG on NYSE
Investment type: Equity / Common Stock, $0.01 par value per share
Latest Disclosed Shares Owned: 3,535,664 shares
Security Ownership %: 7.6%

Shares, Excluding Options vs Price

Value, Excluding Options

BlackRock, Inc. ownership in OCTAVE SPECIALTY GROUP INC Common Stock, $0.01 par value per share (OSG)

17 Oct 2025 - BlackRock, Inc. has filed an SCHEDULE 13G/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 3,535,664 shares of OCTAVE SPECIALTY GROUP INC Common Stock, $0.01 par value per share (OSG). This represents 7.6% ownership of the company. In their previous filing dated 03 Apr 2025, BlackRock, Inc. had reported owning 4,002,154 shares, indicating a decrease of +12%. .

Reporting Name	Ownership %	Change	Value $	Shares owned	Change	Activity %	Price	Form	Report date	Filing time
BlackRock, Inc.	7.6%	-12%	$29,497,691	3,535,664	-466,490	-12%	$8.34	13G/A	30 Sep 2025	17 Oct 2025, 18:40
BlackRock, Inc.	8.7%		$31,016,694	4,002,154			$7.75	13G/A	31 Mar 2025	03 Apr 2025, 16:24

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
31 Dec 2025	0%	-0%	$34,920,281	4,488,468	-4,863	-0.11%	$7.78	Q4 2025
30 Sep 2025	0%	-0%	$37,474,381	4,493,331	-94,723	-2.1%	$8.34	Q3 2025
30 Jun 2025	0%	-0%	$32,575,182	4,588,054	-306,626	-6.3%	$7.10	Q2 2025
31 Mar 2025	0%	-0%	$42,828,451	4,894,680	-3,065,833	-39%	$8.75	Q1 2025
31 Dec 2024	0%	+0%	$100,700,491	7,960,513	+248,771	+3.2%	$12.65	Q4 2024
30 Sep 2024	0%	0%	$86,448,628	7,711,742	0		$11.21	Q3 2024

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.