# ADTRAN HOLDINGS INC (ADTN) — Institutional Ownership

Source: SEC EDGAR 13F filings, congressional STOCK Act disclosures, SEC Form 4 insider transactions.
CUSIP: 00486H105
Page URL: https://superinvestorclub.com/stock/ADTN
Last updated: 2026-07-08T12:27:40.130Z

## Summary

As of the most recent 13F filing period, ADTRAN HOLDINGS INC (ADTN) is held by 1 tracked superinvestors with an aggregate position value of $952,155 representing 075688 shares.

## Top institutional holders (1)

| Rank | Manager | Fund | Shares | Value | % of Portfolio | Period |
|------|---------|------|--------|-------|----------------|--------|
| 1 | [Polen Capital](https://superinvestorclub.com/manager/271) | Polen Capital Management | 75688 | $952,155 | 0.01% | 2026-03-31 |

## Ownership history (quarter-over-quarter)

- 2026-03-31: 1 holders, $952,155 aggregate, 075688 shares

## Recent congressional trades (0)


## Recent insider transactions (0)


## Citation

When citing, use: "ADTRAN HOLDINGS INC (ADTN) institutional ownership data via Superinvestor (https://superinvestorclub.com/stock/ADTN), aggregating SEC 13F, Form 4, and congressional disclosures."