FMR LLC

Holdings History for Zenas BioPharma, Inc. - COMMON STOCK (ZBIO)

Symbol: ZBIO on Nasdaq
Investment type: Equity / COMMON STOCK
Latest Disclosed Shares Owned: 7,652,255 shares
Security Ownership %: 14%

Shares, Excluding Options vs Price

Value, Excluding Options

FMR LLC ownership in Zenas BioPharma, Inc. COMMON STOCK (ZBIO)

05 Feb 2026 - FMR LLC has filed an SCHEDULE 13G/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 7,652,255 shares of Zenas BioPharma, Inc. COMMON STOCK (ZBIO). This represents 14% ownership of the company. In their previous filing dated 08 Sep 2025, FMR LLC had reported owning 4,644,279 shares, indicating an increase of +65%. .

Reporting Name	Ownership %	Change	Value $	Shares owned	Change	Activity %	Price	Form	Report date	Filing time
FMR LLC	14%	+30%	$277,876,336	7,652,255	+3,007,976	+65%	$36.31	13G/A	31 Dec 2025	05 Feb 2026, 13:43
FMR LLC	11%	+39%	$77,605,902	4,644,279	+1,320,745	+40%	$16.71	13G/A	29 Aug 2025	08 Sep 2025, 11:46
FMR LLC	7.9%	+16%	$40,115,055	3,323,534	+471,163	+17%	$12.07	13G/A	30 Jun 2025	06 Aug 2025, 12:19
FMR LLC	6.8%		$31,946,555	2,852,371			$11.20	13G/A	31 Mar 2025	12 May 2025, 10:20

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
31 Dec 2025	0.01%	+0.01%	$279,741,500	7,704,255	+2,883,885	+60%	$36.31	Q4 2025
30 Sep 2025	0.01%	+0%	$107,012,214	4,820,370	+1,496,836	+45%	$22.20	Q3 2025
30 Jun 2025	0%	+0%	$32,205,045	3,323,534	+471,163	+17%	$9.69	Q2 2025
31 Mar 2025	0%	+0%	$22,533,732	2,852,371	+1,070,656		$7.90	Q1 2025
31 Dec 2024	0%	-0%	$14,592,246	1,781,715	-218,285	-11%	$8.19	Q4 2024
30 Sep 2024	0%	+0%	$33,840,000	2,000,000	+2,000,000	NEW	$16.92	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.