HCW Biologics Inc.
HCWB- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001828673
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.
13F holders, Q1 2026
Institutional positions in HCW Biologics Inc. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 15
- +2 vs. Q4 2025
- Shares held
- 449.8K
- +28.3K (+6.7%) vs. Q4 2025
- Total value
- $160.8K
- −$248.3K (−60.7%) vs. Q4 2025
- New holders
- 7
- 5 more added
- Sold out
- 5
- 0 more reduced
1 institution that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting HCWB on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 12 | $515.7K |
| Q1 2026 | 15 | $160.8K |
| Q4 2025 | 14 | $424.1K |
| Q3 2025 | 10 | $456.9K |
| Q2 2025 | 8 | $85.5K |
| Q1 2025 | 15 | $326.0K |
| Q4 2024 | 18 | $1.40M |
| Q3 2024 | 16 | $625.6K |
| Q2 2024 | 19 | $784.3K |
| Q1 2024 | 20 | $1.90M |
| Q4 2023 | 19 | $1.30M |
| Q3 2023 | 14 | $1.93M |
| Q2 2023 | 13 | $2.17M |
| Q1 2023 | 13 | $1.22M |
| Q4 2022 | 14 | $1.50M |
| Q3 2022 | 13 | $1.50M |
| Q2 2022 | 13 | $1.25M |
| Q1 2022 | 13 | $1.48M |
| Q4 2021 | 13 | $855.0K |
| Q3 2021 | 9 | $512.0K |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding HCW Biologics Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| HRT Financial LP | 266,393 | $95.0K | 0.00% | +266,393 | New |
| Virtu Financial LLC | 47,809 | $17.0K | 0.00% | +47,809 | New |
| Geode Capital Management, LLC | 35,886 | $12.9K | 0.00% | +21,849+155.7% | Added |
| Citadel Advisors LLC | 26,083 | $9.39K | 0.00% | +3,925+17.7% | Added |
| Tower Research Capital LLC (TRC) | 14,839 | $5.34K | 0.00% | +10,335+229.5% | Added |
| Jane Street Group, LLC | 14,134 | $5.09K | 0.00% | +14,134 | New |
| Vanguard Capital Management LLC | 12,023 | $4.33K | 0.00% | +12,023 | New |
| Citigroup Inc | 10,528 | $3.79K | 0.00% | +10,527+1,052,700.0% | Added |
| Golden State Wealth Management, LLC | 10,000 | $3.60K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 9,221 | $3.32K | 0.00% | +7,482+430.2% | Added |
| Vanguard Fiduciary Trust Co | 1,903 | $685 | 0.00% | +1,903 | New |
| Wells Fargo & Company | 1,000 | $360 | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 26 | $9 | 0.00% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 2 | $1 | 0.00% | +2 | New |
| SBI Securities Co., Ltd. | 1 | $0 | 0.00% | +1 | New |
| Armistice Capital, LLC | 0 | $0 | 0.00% | −300,180−100.0% | Sold out |
| DRW Securities, LLC | 0 | $0 | 0.00% | −35,281−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −20,071−100.0% | Sold out |
| J.W. Cole Advisors, Inc. | 0 | $0 | 0.00% | −12,500−100.0% | Sold out |
| Bank of America Corp | 0 | $0 | 0.00% | −11−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |