HCW Biologics

HCWB · NASDAQ

$1.17−$0.06 (−4.88%)TodayMarket closed · Oct 20, 7:30 PM ET

Prev close $1.23

Who owns HCWB

Largest institutional holders, from their latest 13F filings

The 10 largest institutions hold 17.8% of HCWB’s shares.

Wong (Hing C)7.9%
Jane Street Capital, L.L.C.3.3%
Garrett (Scott T)2.6%
Citadel Advisors LLC1.2%
Next 6 largest institutions2.9%
All other shareholders82.2%

Top institutional holders of HCWB
Holder	Shares	% of shares	Change, last filing	Filed
Wong (Hing C)	125.84K	7.87%	+3	Aug 17, 2026
Jane Street Capital, L.L.C.	52.14K	3.26%	+49.78K	Jun 30, 2026
Garrett (Scott T)	41.64K	2.60%	+7.74K	Aug 17, 2026
Citadel Advisors LLC	19.94K	1.25%	+15.60K	Jun 30, 2026
HRT Financial LP	13.58K	0.85%	−30.82K	Jun 30, 2026
Byam (Rebecca)	9.54K	0.60%	+1	Aug 17, 2026
Flowers (Lee)	8.69K	0.54%	+7.74K	Jul 29, 2026
Vanguard Fiduciary Trust Co	6.51K	0.41%	+6.19K	Jun 30, 2026
Tower Research Capital LLC	4.12K	0.26%	+1.64K	Jun 30, 2026
Connective Capital Management, LLC	3.34K	0.21%	+3.34K	Jun 30, 2026

Largest mutual fund holders

Top mutual fund holders of HCWB
Holder	Shares	% of shares	Change, last filing	Filed
Fidelity Extended Market Index Fund	5.36K	0.33%	+1	Jul 31, 2026
Abante Quant Value, FI	3.30K	0.21%	+3.30K	Dec 31, 2025
Vanguard Extended Market Index Fund	2.00K	0.13%	+1	Jul 31, 2026
Fidelity Total Market Index Fund	121	0.01%	+0	Jul 31, 2026

Insider trades

Form 4 filings by officers, directors and large holders

Over the last 6 months, insiders bought $529.99K (6 trades) of HCWB on the open market, with no sales.

Latest HCWB insider transactions
Insider	Date	Type	Shares	Price	Value
Wong Hing C	Jul 29, 2026	Buy	23.21K	$2.59	$60.00K
Flowers Lee	Jul 29, 2026	Buy	7.74K	$2.59	$20.00K
GARRETT SCOTT T	Jul 29, 2026	Buy	7.74K	$2.59	$20.00K
Wong Hing C	May 22, 2026	Buy	113.88K	—	—
Wong Hing C	May 22, 2026	Buy	113.88K	$1.40	$160.00K
Byam Rebecca	May 22, 2026	Buy	14.23K	—	—
Byam Rebecca	May 22, 2026	Buy	14.23K	$1.40	$20.00K
GARRETT SCOTT T	May 22, 2026	Buy	177.94K	—	—
GARRETT SCOTT T	May 22, 2026	Buy	177.94K	$1.40	$250.00K

Short interest

Settled Sep 30, 2026

Shares short: 60.94K
Days to cover: 1.00
% of shares outstanding: 3.81%
Average daily volume: 1.35M
Change since last report: +557.1%

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