Ra Capital Management, L.P.

13F Holdings History for Jade Biosciences, Inc. - Common Stock, $0.0001 par value per share (JBIO)

Symbol: JBIO on Nasdaq
Investment type: Equity / Common Stock, $0.0001 par value per share
Latest Disclosed Ownership: 3.21M shares
Security Ownership: 7%

Shares, Excluding Options vs Price

Value, Excluding Options

RA Capital Management, L.P. ownership in Jade Biosciences, Inc. Common Stock, $0.0001 par value per share (JBIO)

2025-10-16 - RA Capital Management, L.P. has filed an SCHEDULE 13G form with the Securities and Exchange Commission (SEC) disclosing ownership of 3.21M shares of Jade Biosciences, Inc. Common Stock, $0.0001 par value per share (JBIO). This represents 7% percent ownership of the company. In their previous filing dated 2025-04-30, RA CAPITAL MANAGEMENT, L.P. had reported owning 1.32M shares, indicating an increase of 143% percent.

Reporting Name	Ownership %	Change	Value $	Shares owned	Change	Activity %	Price	Form	Report date	Filed at
RA Capital Management, L.P.	7%	+72.5%	$27.8M	3.21M	+1,890,015	+143%	$8.63	13G	10/8/2025	16 Oct 2025 19:35:31
RA Capital Management, L.P.	4.1%			1.32M				13D/A	4/28/2025	30 Apr 2025 16:51:40

Holdings date	Option	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
9/30/2025		0.11%		$9.17M	1.06M			$8.63	Q3 2025
6/30/2025		0.18%	+0.18%	$10.6M	1.06M	+1,062,326	NEW	$9.99	Q2 2025

* 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.