bioAffinity Technologies, Inc. (BIAF) Ownership
BIAF ownership summary
as of October 17, 2026- Institutions
- 5.0% of shares outstanding
- Insiders
- 0.75% of shares outstanding
- Shares outstanding
- 1.3M
- Float
- 537K shares available to trade
- Short interest
- 9.95% 115K shares short
- Days to cover
- 0.01 short interest up 62.2% vs prior month
- Institutions 5.04%
- Insiders 0.75%
- Other investors 94.21%
BIAF top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Sabby Management LLC | 2.09% | 366K | $1.4M | +365,647 (0.0%) | June 30, 2026 |
| 2 | BlackRock Inc | 0.56% | 99K | $368,438 | +98,777 (0.0%) | June 30, 2026 |
| 3 | Vanguard Capital Management, LLC | 0.32% | 56K | $207,175 | — | June 30, 2026 |
| 4 | Geode Capital Management, LLC | 0.29% | 51K | $190,107 | +2,674 (+5.5%) | June 30, 2026 |
| 5 | J. Safra Sarasin Holding AG | 0.24% | 43K | $158,898 | — | June 30, 2026 |
| 6 | Vanguard Fiduciary Trust Co | 0.18% | 31K | $115,895 | — | June 30, 2026 |
| 7 | Susquehanna International Group, LLP | 0.15% | 27K | $100,225 | +26,870 (0.0%) | June 30, 2026 |
| 8 | Jane Street Group LLC | 0.15% | 27K | $99,904 | +26,784 (0.0%) | June 30, 2026 |
| 9 | State Street Corp | 0.14% | 24K | $89,841 | +9,700 (+67.4%) | June 30, 2026 |
| 10 | HRT FINANCIAL LLC | 0.12% | 21K | $77,711 | +20,834 (0.0%) | June 30, 2026 |
| 11 | Northern Trust Corp | 0.10% | 17K | $62,470 | +4,023 (+31.6%) | June 30, 2026 |
| 12 | Virtu Financial LLC | 0.06% | 11K | $41,451 | +11,113 (0.0%) | June 30, 2026 |
| 13 | Hanson Mcclain Inc | 0.06% | 10K | $37,300 | +10,000 (0.0%) | June 30, 2026 |
| 14 | Tower Research Capital LLC | 0.04% | 6,482 | $24,178 | +4,419 (+214.2%) | June 30, 2026 |
| 15 | UBS Group AG | 0.02% | 4,204 | $15,681 | −5,010 (−54.4%) | June 30, 2026 |
| 16 | EMC Capital Management(TX) | 0.01% | 2,001 | $7,464 | +2,001 (0.0%) | June 30, 2026 |
| 17 | Royal Bank of Canada | 0.01% | 931 | $3,473 | +931 (0.0%) | June 30, 2026 |
| 18 | IFP Advisors, LLC | <0.01% | 833 | $3,107 | — | June 30, 2026 |
| 19 | Morgan Stanley - Brokerage Accounts | 0.00% | 3 | $11 | — | June 30, 2026 |
| 20 | Schonfeld Strategic Advisors LLC | 0.00% | — | — | −24,413 (−100.0%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 13 holders added 584K shares and 2 cut 29K.
BIAF top mutual fund and ETF holders
4 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Fidelity Extended Market Index | 0.55% | 1,659 | $6,188 | — | August 31, 2026 |
| 2 | Fidelity Total Market Index | 0.17% | 509 | $1,899 | — | August 31, 2026 |
| 3 | Fidelity Series Total Market Index | 0.14% | 434 | $1,619 | — | August 31, 2026 |
| 4 | Fidelity Nasdaq Composite Index | 0.06% | 166 | $619 | −1 (−0.6%) | August 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
BIAF shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns BIAF
Institutional investors own 5.0% of bioAffinity Technologies's shares and insiders 0.75%. The largest holder is Sabby Management LLC with 2.09% of the shares (366K), as of June 30, 2026. Among the top 20 institutions, 13 added shares and 2 reduced their stake in the latest filings. Short interest is 9.95% of the float, or 0.01 days of average trading volume. The share count rose 1,844.1% since 2020.
Related: BIAF analyst forecast, BIAF key metrics. See the BIAF stock overview for the latest quote and news.
BIAF ownership FAQ
Who owns the most bioAffinity Technologies stock?
The largest shareholders of bioAffinity Technologies are Sabby Management LLC (2.09%), BlackRock Inc (0.56%), Vanguard Capital Management, LLC (0.32%), Geode Capital Management, LLC (0.29%), J. Safra Sarasin Holding AG (0.24%).
What percentage of bioAffinity Technologies is owned by institutions?
Institutions hold 5.0% of bioAffinity Technologies's shares outstanding; insiders hold 0.75%.
Which funds own bioAffinity Technologies?
The largest fund holders of bioAffinity Technologies are Fidelity Extended Market Index (0.55%), Fidelity Total Market Index (0.17%), Fidelity Series Total Market Index (0.14%), Fidelity Nasdaq Composite Index (0.06%).
What is bioAffinity Technologies's short interest?
115K shares of bioAffinity Technologies were sold short, 9.95% of the float; at the average daily volume it would take 0.01 days to cover.
How many shares of bioAffinity Technologies are outstanding?
bioAffinity Technologies has 1.3M shares outstanding, of which 537K are in the public float.