BlackRock, Inc.

Holdings History for Gossamer Bio, Inc. - Common Stock, $0.0001 par value per share (GOSS)

Symbol: GOSS on Nasdaq
Investment type: Equity / Common Stock, $0.0001 par value per share
Latest Disclosed Shares Owned: 15,065,708 shares
Security Ownership %: 6.5%

Shares, Excluding Options vs Price

Value, Excluding Options

BlackRock, Inc. ownership in Gossamer Bio, Inc. Common Stock, $0.0001 par value per share (GOSS)

21 Jan 2026 - BlackRock, Inc. has filed an SCHEDULE 13G/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 15,065,708 shares of Gossamer Bio, Inc. Common Stock, $0.0001 par value per share (GOSS). This represents 6.5% ownership of the company. In their previous filing dated 17 Jul 2025, BlackRock, Inc. had reported owning 12,135,339 shares, indicating an increase of +24%. .

Reporting Name	Ownership %	Change	Value $	Shares owned	Change	Activity %	Price	Form	Report date	Filing time
BlackRock, Inc.	6.5%	+24%	$46,705,201	15,065,708	+2,930,369	+24%	$3.10	13G/A	31 Dec 2025	21 Jan 2026, 12:30
BlackRock, Inc.	5.3%		$14,926,467	12,135,339			$1.23	13G	30 Jun 2025	17 Jul 2025, 19:54

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
31 Dec 2025	0%	+0%	$52,876,322	17,056,878	+3,210,824	+23%	$3.10	Q4 2025
30 Sep 2025	0%	+0%	$36,415,120	13,846,054	+1,703,458	+14%	$2.63	Q3 2025
30 Jun 2025	0%	+0%	$14,935,393	12,142,596	+9,069,823	+295%	$1.23	Q2 2025
31 Mar 2025	0%	+0%	$3,380,051	3,072,773	+43,564	+1.4%	$1.10	Q1 2025
31 Dec 2024	0%	+0%	$2,740,223	3,029,209	+223,567	+8%	$0.90	Q4 2024
30 Sep 2024	0%	0%	$2,767,485	2,805,642	0		$0.99	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.