What is the 13F Pro Quality Score for NAII?

13F Pro ranks NATURAL ALTERNATIVES INTERNATIONAL INC (NAII) on the 13F Pro Quality Score, a 0–100 composite of 32 fundamental signals including return on invested capital, free cash flow consistency, balance-sheet strength, earnings quality, growth durability, and valuation discipline. The score refreshes after each 10-K and 10-Q filing on SEC EDGAR. View NAII's current score at https://13fpro.ai/company/NAII (free sign-up required for the full ranking).

Where does 13F Pro source NAII data?

All NATURAL ALTERNATIVES INTERNATIONAL INC fundamentals and ownership data come directly from SEC EDGAR. NATURAL ALTERNATIVES INTERNATIONAL INC files with the SEC under CIK 787253. 13F Pro ingests XBRL financial facts from 10-K and 10-Q filings, Form 13F-HR institutional holdings, and Form 4 insider transactions, with no third-party rewrites or estimates.

What sector is NAII in?

NATURAL ALTERNATIVES INTERNATIONAL INC (NAII) is classified in the Healthcare sector. 13F Pro publishes sector-level fund flow analysis and quality leaders at https://13fpro.ai/research/sector/healthcare.

How often is NAII research updated on 13F Pro?

NAII's fundamentals refresh within hours of each new 10-K or 10-Q filing on SEC EDGAR. Institutional ownership updates after each quarterly 13F filing window. Insider transactions update after each Form 4 filing. The 13F Pro Quality Score recalculates after every fundamentals refresh.

NATURAL ALTERNATIVES INTERNATIONAL INC(NAII)Stock Analysis

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SEC EDGAR: CIK 787253 NAII stock profile & AI dashboard →

13F Pro Quality Score

26.9/100

Rank #2,604 of 2,962 stocks

View Healthcare peers →

Rankings refresh quarterly once 80% of peers have filed (~45 days after quarter-end). Next update: ~Nov 14, 2026.

Revenue Growth

35.7/100

Profitability

18.9/100

Balance Sheet

17.9/100

Earnings Quality

40.3/100

Free Cash Flow

19.3/100

Institutional Flow

40.7/100

Revenue Scale

19.7/100

Dilution Risk

32.7/100

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Why NAII Scores 27/100

exact factor attribution · 2026-09-11

NAII's composite is held back by profitability and free cash flow. Bars show each factor's exact push vs. a median company, using the same weights the ranking engine applies.

Institutional flow

-0.5 pts

41th pct

Shareholder dilution

-0.9 pts

33th pct

Earnings growth

-0.9 pts

32th pct

Earnings quality

-1.0 pts

40th pct

Revenue growth

-2.9 pts

36th pct

Capital efficiency

-3.2 pts

18th pct

Scale

-4.5 pts

20th pct

Free cash flow

-4.6 pts

19th pct

Profitability

-4.7 pts

19th pct

Factor percentiles are cross-sectional ranks across the ~2,800-stock scored universe, computed from SEC EDGAR filings. Not investment advice.

NAII Stock Analysis & AI Quality Score

Data updated 2026-09-11

AI stock analysis and institutional research for NATURAL ALTERNATIVES INTERNATIONAL INC (NAII), a Healthcare sector company. 13F Pro's AI-powered ranking engine scores NAII at 26.9/100 on a 32-signal composite quality model, placing it at rank #2,604 of 2,962 stocks — the bottom half of the AI-ranked universe. Areas of concern include balance sheet strength (17.9) and profitability (18.9), which score below median versus the broader universe. Shareholder dilution risk is elevated at 32.7/100, reflecting ongoing share issuance or stock-based compensation. Based on the latest XBRL financial filings (Q1 2026), NATURAL ALTERNATIVES INTERNATIONAL INC reports quarterly revenue of $35.5M, net income of $-4.3M, free cash flow of $1.4M. Top institutional holders of NAII by reported 13-F value include CALDWELL SUTTER CAPITAL, DIMENSIONAL FUND ADVISORS, MORGAN STANLEY, based on the most recent SEC filings. NAII trades on the Nasdaq exchange and files with the SEC under CIK 787253. 13F Pro's AI research platform runs 10 specialized AI analysts — value, growth, momentum, macro, and activist specialists — that debate NAII daily and publish AI-generated analysis with cited SEC sources. The platform aggregates historical XBRL financial facts, 10-Q and 10-K filings, insider Form 4 transactions, and institutional 13-F holdings for NATURAL ALTERNATIVES INTERNATIONAL INC directly from SEC EDGAR. NATURAL ALTERNATIVES INTERNATIONAL INC's 13F Pro composite quality score has ranged between 19 and 37 since 2024, currently 26.9 — a declining long-term trajectory across 54 quarterly and live scoring snapshots.

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Fun facts about NATURAL ALTERNATIVES INTERNATIONAL INC

Quirks, history, and lore behind NAII — the kind of stuff that makes a stock memorable.

1
The Basics
A small-cap U.S. company in the nutritional supplements space · listed on Nasdaq · headquartered in Southern California.
2
The Numbers
Annual revenue in the range of $100–150 million — not a giant, but a quietly profitable niche operator that has been at this for decades.
3
The History
Founded in the 1980s, it grew alongside the broader sports nutrition and wellness boom, carving out a specialty in contract manufacturing for other brands.
4
The Secret
Much of its business is behind the scenes — it formulates and manufactures private-label supplements sold under other companies' brand names, not its own.
5
The Lore
It has a particular focus on beta-alanine — the ingredient that gives athletes that famous skin-tingling sensation — and has invested heavily in research around it.
6
The Giveaway
Its ticker is NAII, it calls San Marcos, California home, and its full corporate name literally spells out Natural Alternatives International.

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Revenue

Q1 2026

$35.5M

Net Income

Q1 2026

$-4.3M

Free Cash Flow

Q1 2026

$1.4M

ROIC

Q1 2026

-25.4%

Period

Revenue & Net Income

Earnings Per Share

Key Financials Over Time

Export Financial Table · Pro

Revenue

+14.1% YoY

$129.9MFY 2025

FY22 $171.0MFY23 $154.0MFY24 $113.8MFY25 $129.9M

Net Income

-88.1% YoY

$-13.6MFY 2025

FY22 $10.7MFY23 $2.5MFY24 $-7.2MFY25 $-13.6M

Operating Income

-1.5% YoY

$-8.7MFY 2025

FY22 $13.7MFY23 $4.7MFY24 $-8.5MFY25 $-8.7M

EPS (Diluted)

-85.4% YoY

$-2.28FY 2025

FY22 $1.74FY23 $0.43FY24 $-1.23FY25 $-2.28

Total Assets

-6.4% YoY

$151.9MFY 2025

FY22 $146.0MFY23 $134.2MFY24 $162.3MFY25 $151.9M

Op. Cash Flow

+496.3% YoY

$5.9MFY 2025

FY22 $11.9MFY23 $7.0MFY24 $-1.5MFY25 $5.9M

Free Cash Flow

+151.4% YoY

$2.3MFY 2025

FY22 $-14.6MFY23 $-6.5MFY24 $-4.5MFY25 $2.3M

Metric	FY 2025	FY 2024	FY 2023	FY 2022	FY 2021	FY 2020
Revenue	$129.9M +14.1%	$113.8M -26.1%	$154.0M -9.9%	$171.0M -4.2%	$178.5M +50.2%	$118.9M
Net Income	$-13.6M -88.1%	$-7.2M -386.2%	$2.5M -76.5%	$10.7M -0.5%	$10.8M +754.6%	$-1.6M
Operating Income	$-8.7M -1.5%	$-8.5M -281.1%	$4.7M -65.5%	$13.7M +0.1%	$13.7M +1006.0%	$-1.5M
EPS (Diluted)	$-2.28 -85.4%	$-1.23 -386.0%	$0.43 -75.3%	$1.74 +3.0%	$1.69 +776.0%	$-0.25
Total Assets	$151.9M -6.4%	$162.3M +21.0%	$134.2M -8.1%	$146.0M +21.4%	$120.3M +0.1%	$120.2M
Operating Cash Flow	$5.9M +496.3%	$-1.5M -121.3%	$7.0M -40.8%	$11.9M -43.0%	$20.8M +463.7%	$3.7M
Free Cash Flow	$2.3M +151.4%	$-4.5M +30.6%	$-6.5M +55.5%	$-14.6M -193.1%	$15.7M +1946.9%	$-850.0K

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Available Research

13F Pro tracks comprehensive data for NATURAL ALTERNATIVES INTERNATIONAL INC including:

SEC EDGAR filings (10-K, 10-Q, 8-K)

XBRL financial facts (revenue, EPS, margins)

Insider transactions (Form 4)

Institutional 13F holdings

Quality rankings (32 signals)

AI analyst debates & daily meetings

Historical financial trends

Peer comparison & sector analysis

Top Institutional Holders of NAII

CALDWELL SUTTER CAPITAL, INC.
$1.2M498,220 sh
DIMENSIONAL FUND ADVISORS LP
$802.5K335,789 sh
MORGAN STANLEY
$735.2K307,630 sh
Mink Brook Asset Management LLC
$701.3K293,447 sh
RENAISSANCE TECHNOLOGIES LLC
$663.1K277,457 sh
VANGUARD CAPITAL MANAGEMENT LLC
$504.0K210,880 sh
Integrated Wealth Concepts LLC
$210.8K88,186 sh
CITADEL ADVISORS LLC
$181.0K75,746 sh
BRIDGEWAY CAPITAL MANAGEMENT, LLC
$147.0K61,495 sh
GEODE CAPITAL MANAGEMENT, LLC
$104.5K43,711 sh

Fund	Value	Shares
CALDWELL SUTTER CAPITAL, INC.	$1.2M	498,220
DIMENSIONAL FUND ADVISORS LP	$802.5K	335,789
MORGAN STANLEY	$735.2K	307,630
Mink Brook Asset Management LLC	$701.3K	293,447
RENAISSANCE TECHNOLOGIES LLC	$663.1K	277,457
VANGUARD CAPITAL MANAGEMENT LLC	$504.0K	210,880
Integrated Wealth Concepts LLC	$210.8K	88,186
CITADEL ADVISORS LLC	$181.0K	75,746
BRIDGEWAY CAPITAL MANAGEMENT, LLC	$147.0K	61,495
GEODE CAPITAL MANAGEMENT, LLC	$104.5K	43,711

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Is NAII a good stock to buy?

13F Pro's AI-powered analysis of NATURAL ALTERNATIVES INTERNATIONAL INC (NAII) draws on SEC EDGAR-sourced fundamentals, institutional 13F holdings, and insider Form 4 transactions in the Healthcare sector (listed on Nasdaq). The 32-signal AI Quality Score, current rank, and full bull/bear verdict for NAII are available on the NAII stock profile dashboard — with the same data, AI insights, ratios, and institutional activity refreshed after every 10-K, 10-Q, 13F, and Form 4 filing. NAII is classified as a small company.

Which hedge funds own NAII?

Institutional investors are required to disclose their holdings quarterly via SEC Form 13F. 13F Pro aggregates these filings to show which hedge funds, mutual funds, and asset managers are buying or selling NAII. Combined with insider transaction data from Form 4 filings and AI-powered analysis from 10 specialized research agents, 13F Pro provides a comprehensive view of NATURAL ALTERNATIVES INTERNATIONAL INC's investment landscape.