Fairmount Funds Management LLC

Holdings History for Cogent Biosciences, Inc. - Common Stock, $0.001 par value per share (COGT)

Symbol: COGT on Nasdaq
Investment type: Equity / Common Stock, $0.001 par value per share
Latest Disclosed Shares Owned: 16,261,918 shares
Security Ownership %: 9.9%

Shares, Excluding Options vs Price

Value, Excluding Options

Fairmount Funds Management LLC ownership in Cogent Biosciences, Inc. Common Stock, $0.001 par value per share (COGT)

22 Jan 2026 - Fairmount Funds Management LLC has filed an SCHEDULE 13D/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 16,261,918 shares of Cogent Biosciences, Inc. Common Stock, $0.001 par value per share (COGT). This represents 9.9% ownership of the company. In their previous filing dated 17 Nov 2025, Fairmount Funds Management LLC had reported owning 15,877,418 shares, indicating an increase of +2.4%. .

Reporting Name	Ownership %	Change	Value $	Shares owned	Change	Activity %	Price	Form	Report date	Filing time
Fairmount Funds Management LLC	9.9%	0%	$577,623,327	16,261,918	+384,500	+2.4%	$35.52	13D/A	22 Jan 2026	22 Jan 2026, 20:02
Fairmount Funds Management LLC	9.9%	0%	$224,347,916	15,877,418	+1,552,500	+11%	$14.13	13D/A	13 Nov 2025	17 Nov 2025, 16:36
Fairmount Funds Management LLC	9.9%		$102,852,911	14,324,918			$7.18	13D/A	10 Jul 2025	14 Jul 2025, 16:31

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
31 Dec 2025	24%	0%	$319,801,407	9,003,418	0		$35.52	Q4 2025
30 Sep 2025	12%	+3.6%	$129,289,082	9,003,418	+2,777,777	+45%	$14.36	Q3 2025
30 Jun 2025	5.8%	0%	$44,700,102	6,225,641	0		$7.18	Q2 2025
31 Mar 2025	5.8%	0%	$37,291,590	6,225,641	0		$5.99	Q1 2025
31 Dec 2024	4.8%	0%	$48,560,000	6,225,641	0		$7.80	Q4 2024
30 Sep 2024	5.5%	0%	$67,236,923	6,225,641	0		$10.80	Q3 2024
30 Jun 2024	5.9%	+1.4%	$52,482,154	6,225,641	+1,500,000	+32%	$8.43	Q2 2024
31 Mar 2024	3.5%	+0.85%	$31,756,308	4,725,641	+1,166,666	+33%	$6.72	Q1 2024
31 Dec 2023	2.2%	0%	$20,926,773	3,558,975	0		$5.88	Q4 2023
30 Sep 2023	4.2%	0%	$34,700,006	3,558,975	0		$9.75	Q3 2023
30 Jun 2023	5.9%	+1.3%	$42,138,264	3,558,975	+800,000	+29%	$11.84	Q2 2023
31 Mar 2023	5.1%	0%	$29,769,340	2,758,975	0		$10.79	Q1 2023
31 Dec 2022	5.1%	0%	$31,893,751	2,758,975	0		$11.56	Q4 2022
30 Sep 2022	7.6%	0%	$41,164,000	2,758,975	0		$14.92	Q3 2022
30 Jun 2022	5.7%	+2.5%	$24,886,000	2,758,975	+1,200,000	+77%	$9.02	Q2 2022
31 Mar 2022	2.8%	0%	$11,677,000	1,558,975	0		$7.49	Q1 2022
31 Dec 2021	4.4%	0%	$13,376,000	1,558,975	0		$8.58	Q4 2021
30 Sep 2021	4.8%	0%	$13,111,000	1,558,975	0		$8.41	Q3 2021
30 Jun 2021	5.2%	0%	$12,643,000	1,558,975	0		$8.11	Q2 2021
31 Mar 2021	5.8%	0%	$13,688,000	1,558,975	0		$8.78	Q1 2021
31 Dec 2020	6.3%	+6.3%	$17,507,000	1,558,975	+1,558,975	NEW	$11.23	Q4 2020

* 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.