Dyadic International, Inc. (DYAI) Ownership
DYAI ownership summary
as of October 18, 2026- Institutions
- 20.8% of shares outstanding
- Insiders
- 22.90% of shares outstanding
- Shares outstanding
- 40.1M
- Float
- 24.1M shares available to trade
- Short interest
- 0.52% 179K shares short
- Days to cover
- 0.81 short interest down 21.2% vs prior month
- Institutions 20.81%
- Insiders 22.90%
- Other investors 56.29%
DYAI top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Vanguard Capital Management, LLC | 2.32% | 928K | $380,576 | — | June 30, 2026 |
| 2 | Chapin Davis Inc | 2.22% | 888K | $364,082 | — | June 30, 2026 |
| 3 | Apis Capital Advisors, LLC | 2.01% | 805K | $330,002 | −466,090 (−36.7%) | June 30, 2026 |
| 4 | BB&T Corp. | 0.81% | 326K | $133,742 | — | June 30, 2026 |
| 5 | Geode Capital Management, LLC | 0.63% | 251K | $102,871 | −62,603 (−20.0%) | June 30, 2026 |
| 6 | BlackRock Inc | 0.49% | 198K | $81,077 | −77,676 (−28.2%) | June 30, 2026 |
| 7 | Vanguard Fiduciary Trust Co | 0.35% | 139K | $57,186 | — | June 30, 2026 |
| 8 | Marathon Capital Management LLC | 0.27% | 110K | $45,100 | — | June 30, 2026 |
| 9 | Sage Mountain Advisors LLC | 0.27% | 107K | $43,691 | — | June 30, 2026 |
| 10 | HighTower Advisors, LLC | 0.20% | 79K | $32,582 | — | June 30, 2026 |
| 11 | Renaissance Technologies Corp | 0.20% | 79K | $32,302 | −2,879 (−3.5%) | June 30, 2026 |
| 12 | Citadel Advisors Llc | 0.19% | 74K | $30,478 | +74,336 (0.0%) | June 30, 2026 |
| 13 | Northern Trust Corp | 0.17% | 70K | $28,595 | +36,894 (+112.3%) | June 30, 2026 |
| 14 | LANDSCAPE CAPITAL MANAGEMENT,LLC | 0.14% | 55K | $22,658 | −41,753 (−43.0%) | June 30, 2026 |
| 15 | AE Wealth Management LLC | 0.13% | 54K | $22,040 | — | June 30, 2026 |
| 16 | Perkins Capital Management Inc | 0.12% | 48K | $19,700 | — | June 30, 2026 |
| 17 | XTX Topco Ltd | 0.12% | 47K | $19,133 | +46,665 (0.0%) | June 30, 2026 |
| 18 | State Street Corp | 0.11% | 43K | $17,446 | — | June 30, 2026 |
| 19 | Appleseed Capital | 0.10% | 42K | $17,115 | — | June 30, 2026 |
| 20 | Jane Street Group LLC | 0.10% | 41K | $16,899 | +41,217 (0.0%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 4 holders added 199K shares and 5 cut 651K.
DYAI top mutual fund and ETF holders
7 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Vanguard MStar Total Stk Mkt Idx Invest | 1.46% | 584K | $239,287 | — | August 31, 2026 |
| 2 | Fidelity Extended Market Index | 0.31% | 126K | $51,532 | −675 (−0.5%) | August 31, 2026 |
| 3 | Fidelity Series Total Market Index | 0.09% | 38K | $15,399 | +8,478 (+29.2%) | August 31, 2026 |
| 4 | Fidelity Total Market Index | 0.09% | 37K | $15,299 | — | August 31, 2026 |
| 5 | Fidelity Nasdaq Composite Index | 0.05% | 21K | $8,451 | — | August 31, 2026 |
| 6 | Vanguard U.S. Eq Idx £ Acc | 0.02% | 7,385 | $3,028 | — | August 31, 2026 |
| 7 | BSF Systematic US Eq Abs Ret A2 USD | <0.01% | 72 | $30 | — | December 31, 2025 |
Funds report holdings monthly or quarterly; dates differ by fund.
DYAI insider transactions
latest 1| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2025-08-01 | Joseph P Hazelton | Buy | $0.95 | 26,000 | $24,700 |
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.
DYAI shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns DYAI
Institutional investors own 20.8% of Dyadic International's shares and insiders 22.90%. The largest holder is Vanguard Capital Management, LLC with 2.32% of the shares (928K), as of June 30, 2026. Among the top 20 institutions, 4 added shares and 5 reduced their stake in the latest filings. Short interest is 0.52% of the float, or 0.81 days of average trading volume. The share count fell 4.4% since 2014.
Related: DYAI analyst forecast, DYAI key metrics. See the DYAI stock overview for the latest quote and news.
DYAI ownership FAQ
Who owns the most Dyadic International stock?
The largest shareholders of Dyadic International are Vanguard Capital Management, LLC (2.32%), Chapin Davis Inc (2.22%), Apis Capital Advisors, LLC (2.01%), BB&T Corp. (0.81%), Geode Capital Management, LLC (0.63%).
What percentage of Dyadic International is owned by institutions?
Institutions hold 20.8% of Dyadic International's shares outstanding; insiders hold 22.90%.
Which funds own Dyadic International?
The largest fund holders of Dyadic International are Vanguard MStar Total Stk Mkt Idx Invest (1.46%), Fidelity Extended Market Index (0.31%), Fidelity Series Total Market Index (0.09%), Fidelity Total Market Index (0.09%), Fidelity Nasdaq Composite Index (0.05%).
What is Dyadic International's short interest?
179K shares of Dyadic International were sold short, 0.52% of the float; at the average daily volume it would take 0.81 days to cover.
Are insiders buying or selling Dyadic International?
Of the latest 1 reported insider transactions in Dyadic International (since August 1, 2025), 1 were purchases and 0 were sales.
How many shares of Dyadic International are outstanding?
Dyadic International has 40.1M shares outstanding, of which 24.1M are in the public float.