BAKER BROS. ADVISORS LP

Holdings History for SERA PROGNOSTICS, INC. - Class A Common Stock (SERA)

Symbol: SERA on Nasdaq
Investment type: Equity - Shares of Stock
Class: Class A Common Stock
Latest Disclosed Ownership: 5.5M shares
Security Ownership: 16.1%

Shares, Excluding Options vs Price

Value, Excluding Options

Baker Bros. Advisors LP ownership in SERA PROGNOSTICS, INC. Class A Common Stock (SERA)

2025-02-14 - Baker Bros. Advisors LP has filed an SCHEDULE 13D form with the Securities and Exchange Commission (SEC) disclosing ownership of 5.5M shares of SERA PROGNOSTICS, INC. Class A Common Stock (SERA). This represents 16.1% percent ownership of the company.

Reporting Name	Ownership %	Change	Value $	Shares owned	Change	Activity %	Price	Form	Report date	Filed at
Baker Bros. Advisors LP	16.1%		$22.2M	5.5M			$4.04	13D	2/12/2025	14 Feb 2025 16:33:26

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
12/31/2024	0.47%		$44.2M	5.43M			$8.14	Q4 2024
9/30/2024	0.44%		$42.4M	5.43M			$7.80	Q3 2024
6/30/2024	0.41%		$32.2M	5.43M			$5.92	Q2 2024
3/31/2024	0.62%		$49.5M	5.43M			$9.10	Q1 2024
12/31/2023	0.37%	+0.14%	$32.5M	5.43M	+3,919,057	+259%	$5.98	Q4 2023
9/30/2023	0.02%	0%	$2.82M	1.52M	-262,093	-14.7%	$1.86	Q3 2023
6/30/2023	0.03%	0%	$5.86M	1.78M	-11,565	-0.65%	$3.30	Q2 2023
3/31/2023	0.04%	+0.03%	$6.85M	1.79M	+1,587,438	+788%	$3.83	Q1 2023
12/31/2022	0%		$254K	202K			$1.26	Q4 2022
9/30/2022	0%		$322K	202K			$1.60	Q3 2022
6/30/2022	0%		$331K	202K			$1.64	Q2 2022
3/31/2022	0%		$764K	202K			$3.79	Q1 2022
12/31/2021	0.01%		$1.39M	202K			$6.87	Q4 2021
9/30/2021	0.01%	+0.01%	$2.24M	202K	+201,562	NEW	$11.11	Q3 2021

* 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.