PDS Biotechnology Corporation (PDSB) Ownership
PDSB ownership summary
as of October 18, 2026- Institutions
- 10.8% of shares outstanding
- Insiders
- 19.11% of shares outstanding
- Shares outstanding
- 72.5M
- Float
- 44.8M shares available to trade
- Short interest
- 3.93% 2.8M shares short
- Days to cover
- 0.05 short interest down 56.8% vs prior month
- Institutions 10.75%
- Insiders 19.11%
- Other investors 70.14%
PDSB top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Vanguard Capital Management, LLC | 2.34% | 1.7M | $1.9M | +68,226 (+4.2%) | June 30, 2026 |
| 2 | The Colony Group LLC | 0.89% | 642K | $725,660 | +642,177 (0.0%) | June 30, 2026 |
| 3 | Quantinno Capital Management LP | 0.89% | 642K | $725,660 | +642,177 (0.0%) | June 30, 2026 |
| 4 | BlackRock Inc | 0.84% | 608K | $686,632 | +53,591 (+9.7%) | June 30, 2026 |
| 5 | Geode Capital Management, LLC | 0.81% | 587K | $663,467 | −73,089 (−11.1%) | June 30, 2026 |
| 6 | Vanguard Fiduciary Trust Co | 0.49% | 357K | $403,573 | +49,833 (+16.2%) | June 30, 2026 |
| 7 | Militia Capital Management, LLC | 0.46% | 332K | $374,934 | +331,800 (0.0%) | June 30, 2026 |
| 8 | Citadel Advisors Llc | 0.45% | 324K | $365,895 | +323,801 (0.0%) | June 30, 2026 |
| 9 | Morgan Stanley - Brokerage Accounts | 0.43% | 314K | $354,732 | +310,000 (+7,904.1%) | June 30, 2026 |
| 10 | Blair William & Co | 0.41% | 300K | $339,000 | — | June 30, 2026 |
| 11 | Jane Street Group LLC | 0.39% | 280K | $316,020 | +279,664 (0.0%) | June 30, 2026 |
| 12 | Renaissance Technologies Corp | 0.35% | 252K | $284,986 | +31,400 (+14.2%) | June 30, 2026 |
| 13 | Integrys Wealth Advisors LLC | 0.26% | 189K | $213,564 | +7,000 (+3.8%) | June 30, 2026 |
| 14 | Marshall Wace Asset Management Ltd | 0.20% | 147K | $166,303 | +147,171 (0.0%) | June 30, 2026 |
| 15 | State Street Corp | 0.18% | 133K | $150,666 | — | June 30, 2026 |
| 16 | Northern Trust Corp | 0.17% | 127K | $142,947 | +17,609 (+16.2%) | June 30, 2026 |
| 17 | Wells Fargo & Co | 0.15% | 109K | $123,170 | −1,500 (−1.4%) | June 30, 2026 |
| 18 | Commonwealth Equity Services, LLC | 0.13% | 93K | $105,087 | +2,200 (+2.4%) | June 30, 2026 |
| 19 | Amussen, Hunsaker & Associates Incorporated | 0.10% | 70K | $79,559 | −4,616 (−6.2%) | June 30, 2026 |
| 20 | Bank of New York Mellon Corp | 0.09% | 68K | $77,395 | −820 (−1.2%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 14 holders added 2.9M shares and 4 cut 80K.
PDSB top mutual fund and ETF holders
12 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Vanguard MStar Total Stk Mkt Idx Invest | 1.44% | 1.0M | $1.2M | — | August 31, 2026 |
| 2 | Fidelity Extended Market Index | 0.40% | 289K | $327,014 | −1,555 (−0.5%) | August 31, 2026 |
| 3 | Abante Quant Value FI | 0.29% | 210K | $237,411 | — | August 31, 2026 |
| 4 | iShares Micro-Cap ETF | 0.25% | 181K | $204,720 | −1,249 (−0.7%) | September 30, 2026 |
| 5 | Fidelity Total Market Index | 0.14% | 98K | $110,662 | — | August 31, 2026 |
| 6 | Fidelity Series Total Market Index | 0.12% | 86K | $97,494 | — | August 31, 2026 |
| 7 | Fidelity Nasdaq Composite Index | 0.04% | 28K | $31,380 | — | August 31, 2026 |
| 8 | Vanguard MStar Inst Ttl StkMktIdxInstlPl | 0.03% | 23K | $25,559 | −25,000 (−52.5%) | August 31, 2026 |
| 9 | Vanguard Balanced Index Inv | 0.03% | 20K | $22,293 | −5,967 (−23.2%) | August 31, 2026 |
| 10 | 1290 VT Micro Cap K | 0.02% | 13K | $14,457 | — | August 31, 2026 |
| 11 | Vanguard U.S. Eq Idx £ Acc | 0.02% | 13K | $14,177 | — | August 31, 2026 |
| 12 | Knights of Columbus U.S. All Cap Idx I | <0.01% | 311 | $351 | — | August 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
PDSB insider transactions
latest 1| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2021-12-13 | Matthew C Hill | Buy | $8.99 | 2,900 | $26,071 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
PDSB shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns PDSB
Institutional investors own 10.8% of PDS Biotechnology's shares and insiders 19.11%. The largest holder is Vanguard Capital Management, LLC with 2.34% of the shares (1.7M), as of June 30, 2026. Among the top 20 institutions, 14 added shares and 4 reduced their stake in the latest filings. Short interest is 3.93% of the float, or 0.05 days of average trading volume. The share count rose 6,040.4% since 2014.
Related: PDSB analyst forecast, PDSB key metrics. See the PDSB stock overview for the latest quote and news.
PDSB ownership FAQ
Who owns the most PDS Biotechnology stock?
The largest shareholders of PDS Biotechnology are Vanguard Capital Management, LLC (2.34%), The Colony Group LLC (0.89%), Quantinno Capital Management LP (0.89%), BlackRock Inc (0.84%), Geode Capital Management, LLC (0.81%).
What percentage of PDS Biotechnology is owned by institutions?
Institutions hold 10.8% of PDS Biotechnology's shares outstanding; insiders hold 19.11%.
Which funds own PDS Biotechnology?
The largest fund holders of PDS Biotechnology are Vanguard MStar Total Stk Mkt Idx Invest (1.44%), Fidelity Extended Market Index (0.40%), Abante Quant Value FI (0.29%), iShares Micro-Cap ETF (0.25%), Fidelity Total Market Index (0.14%).
What is PDS Biotechnology's short interest?
2.8M shares of PDS Biotechnology were sold short, 3.93% of the float; at the average daily volume it would take 0.05 days to cover.
Are insiders buying or selling PDS Biotechnology?
Of the latest 1 reported insider transactions in PDS Biotechnology (since December 13, 2021), 1 were purchases and 0 were sales.
How many shares of PDS Biotechnology are outstanding?
PDS Biotechnology has 72.5M shares outstanding, of which 44.8M are in the public float.