HCW Biologics Inc.

HCWB

Exchange: Nasdaq
Industry: Pharmaceutical Preparations
SEC CIK: 0001828673

SEC filings (opens in a new tab)

In the last 90 days, HCW Biologics Inc. insiders filed 3 open-market purchases and 0 sales; 12 institutions reported holding it in 13F filings for Q2 2026, worth $515.7K in total; no superinvestor holds it.

Q3 2025 vs. Q2 2025

How the institutions holding HCW Biologics Inc. changed between Q2 2025 and Q3 2025.

All holders in Q3 2025 All holders in Q2 2025

13F holders of HCWB: Q2 2025 compared with Q3 2025
Measure	Q2 2025	Q3 2025	Change
Holders	8	10	+2
Shares	21.6K	123.5K	+101.9K (+472.5%)
Value	$85.5K	$456.9K	+$371.3K (+434.2%)

New holders (4)

Institutions that held HCW Biologics Inc. at the end of Q3 2025 but not at the end of Q2 2025.

Institutions new to HCWB in Q3 2025
Institution	Shares	Value	% of portfolio
DRW Securities, LLC	83,436	$308.7K	0.02%
Vanguard Group Inc	15,426	$57.1K	0.00%
Geode Capital Management, LLC	11,001	$40.7K	0.00%
Citigroup Inc	311	$1.15K	0.00%

Sold out (2)

Institutions that held HCW Biologics Inc. at the end of Q2 2025 and filed for Q3 2025 without it.

Institutions that sold out of HCWB in Q3 2025
Institution	Shares, Q2 2025	Value, Q2 2025
UBS Group AG	9,518	$37.7K
Fortitude Family Office, LLC	58	$230