Natural Alternatives International, Inc.
Natural Alternatives International, Inc. (NAII) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · NAII · as of Sep 30, 2025
Ownership Breakdown
21
Institutional Holders
$5.90M
Total Inst. Value
▼ $829,645 vs Q2
6.28M
Shares Outstanding
freeFloat 81.49%
2.05M
13F Shares Held
▲ 1,771 vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
NAII largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
DIMENSIONAL FUND ADVISORS LP medicinal chemicals & botanical products | 423.5K | 7.12% | 7.12% | $1.23B | Nov 12, 2025 | ▼ 2.8K |
CALDWELL SUTTER CAPITAL, INC. medicinal chemicals & botanical products | 418.9K | 7.04% | 7.04% | $1.20B | Oct 29, 2025 | ▼ 499 |
MINK BROOK ASSET MANAGEMENT LLC medicinal chemicals & botanical products | 293.7K | 4.94% | 4.94% | $838.27M | Nov 14, 2025 | ▼ 273 |
RENAISSANCE TECHNOLOGIES LLC medicinal chemicals & botanical products | 291.9K | 4.91% | 4.91% | $832.99M | Nov 13, 2025 | ▼ 5.8K |
VANGUARD GROUP INC medicinal chemicals & botanical products | 243.1K | 4.09% | 4.09% | $704.88M | Nov 7, 2025 | — held |
MORGAN STANLEY medicinal chemicals & botanical products | 145.5K | 2.45% | 2.45% | $415.27M | May 27, 2026 | ▲ 28.0K |
BRIDGEWAY CAPITAL MANAGEMENT, LLC medicinal chemicals & botanical products | 111.5K | 1.87% | 1.87% | $323.21M | Nov 14, 2025 | ▲ 174 |
GEODE CAPITAL MANAGEMENT, LLC medicinal chemicals & botanical products | 41.6K | 70.01% | 70.01% | $120.78M | Nov 12, 2025 | ▼ 350 |
EMPOWERED FUNDS, LLC medicinal chemicals & botanical products | 24.0K | 40.43% | 40.43% | $69.72M | Nov 13, 2025 | ▲ 174 |
INTEGRATED WEALTH CONCEPTS LLC medicinal chemicals & botanical products | 12.0K | 20.18% | 20.18% | $34.25M | Nov 14, 2025 | — held |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
3
Increased
+28.3K shares2
New Positions
first time holders9
Decreased
−11.7K shares1
Sold Out
fully exitedNet shares change (top 50)
+16.7K
+28.3K / −11.7K
Net new holders
-5
2 new / 1 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
NAII insider trading · insider activity
Source: SEC Form 4
Insiders have been net buyers of shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
14
Buy transactions
0
Sell transactions
0.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
WOLF KENNETH President, COO, & Sec. | Mar 6, 2026 | Award | 15,000 | — | — | 141.8K | Form 4 ↗ |
WOLF KENNETH President, COO, & Sec. | Mar 6, 2026 | Tax Withhold | 5,151 | $2.73 | $14.1K | 126.8K | Form 4 ↗ |
Fortin Michael E Chief Financial Officer | Mar 6, 2026 | Award | 12,000 | — | — | 58.6K | Form 4 ↗ |
Fortin Michael E Chief Financial Officer | Mar 6, 2026 | Tax Withhold | 4,308 | $2.73 | $11.8K | 46.6K | Form 4 ↗ |
LEDOUX MARK A CEO/Chairman | Mar 6, 2026 | Award | 20,000 | — | — | 176.7K | Form 4 ↗ |
LEDOUX MARK A CEO/Chairman | Mar 6, 2026 | Tax Withhold | 3,484 | $2.73 | $9.5K | 156.7K | Form 4 ↗ |
Dunn Alan G director | Mar 6, 2026 | Award | 8,000 | — | — | 99.2K | Form 4 ↗ |
Matherly Laura Kay director | Mar 6, 2026 | Award | 8,000 | — | — | 42.0K | Form 4 ↗ |
Ramanathan Guru director | Mar 6, 2026 | Award | 8,000 | — | — | 38.0K | Form 4 ↗ |
LEDOUX MARK A CEO/Chairman | Mar 6, 2026 | Purchase | 532 | $2.80 | $1.5K | 160.2K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Natural Alternatives International, Inc. (NAII) is primarily owned by institutional investors, who hold approximately 32.7% of total shares outstanding. Company insiders own approximately 18.51%, while retail and public investors account for the remaining 48.75%.
The largest institutional shareholder of Natural Alternatives International, Inc. is DIMENSIONAL FUND ADVISORS LP, holding approximately 423,469 shares — equal to 7.12% of outstanding shares — as of September 30, 2025.
A total of 21 institutional investors currently hold NAII stock, with a combined institutional value of approximately $5,904,147 as of the most recent 13F filing period.
Frequently asked questions
NAII ownershipNatural Alternatives International, Inc. (NAII) is primarily owned by institutional investors, who hold approximately 32.7% of shares. The largest shareholder is DIMENSIONAL FUND ADVISORS LP with a 7.12% stake. Company insiders hold 18.51%. Data sourced from SEC Form 13F as of September 30, 2025.