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Who owns HCW Biologics (HCWB) stock

8 funds reported HCW Biologics (HCWB) shares in their latest 13F filings, worth $439K in all. The largest holder is Jane Street Group, LLC ($260K). Last quarter 9 funds added to their stakes and 0 cut them.

Largest holders of HCWB (13F)Largest holders of HCWB (13F)Jane Street Group, LLC$260KCitadel Advisors LLC$100KVanguard Fiduciary Trust$32KTower Research Capital LLC$21KConnective Capital Management, LLC$17KVanguard Capital Management LLC$10KOsaic Holdings$20UBS Group AG$5

Largest holders (13F)

FundSharesValueChangeQuarter
Jane Street Group, LLC52,138$260Knew2026-06-30
Citadel Advisors LLC19,942$100Knew2026-06-30
Vanguard Fiduciary Trust6,510$32Knew2026-06-30
Tower Research Capital LLC4,117$21Knew2026-06-30
Connective Capital Management, LLC3,338$17Knew2026-06-30
Vanguard Capital Management LLC2,003$10Knew2026-06-30
Osaic Holdings4$20new2026-06-30
UBS Group AG1$5new2026-06-30

HCW Biologics' latest quarter

HCW Biologics, Q2 2026: revenue $136K (21× year over year), net loss $5.2M, operating cash flow −$4.0M. The chart follows the revenue to costs, profit and cash.

Questions

Who owns the most HCWB stock?

By the latest 13F filings: Jane Street Group, LLC ($260K); Citadel Advisors LLC ($100K); Vanguard Fiduciary Trust ($32K); Tower Research Capital LLC ($21K); Connective Capital Management, LLC ($17K).

What is the short interest in HCWB?

37,709 shares were sold short at the 2026-10-15 settlement, -38.12% of the float.

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Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.