Who owns ADTRAN Holdings, Inc.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of ADTN from SEC Form 13F filings across 249 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 249 institutions disclosed 84.0M shares of ADTRAN Holdings, Inc. worth $1.17B — about 103.7% of shares outstanding; the largest disclosed holder is BlackRock, Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.
249
13F holders
$1.17B
value, 2026 filers
103.7%
of shares outstanding (84.0M sh)
54
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of ADTN's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 7.8M | $108.9M | 0.0% | 9.7% | -0.1% |
| 2 | VANGUARD PORTFOLIO MANAGEMENT LLC | 5.1M | $71.4M | 0.0% | 6.3% | +7.6% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 3.5M | $48.8M | 0.0% | 4.3% | +2.5% |
| 4 | STATE STREET CORP | 3.1M | $42.9M | 0.0% | 3.8% | +31.1% |
| 5 | ROYCE & ASSOCIATES LP | 3.0M | $41.3M | 0.3% | 3.7% | -4.9% |
| 6 | UBS Group AG | 2.9M | $40.9M | 0.0% | 3.6% | +1080.3% |
| 7 | TWO SIGMA INVESTMENTS, LP | 2.9M | $40.3M | 0.0% | 3.6% | +157.8% |
| 8 | MILLENNIUM MANAGEMENT LLC | 2.7M | $37.8M | 0.0% | 3.4% | +43.6% |
| 9 | JPMORGAN CHASE & CO | 2.6M | $36.1M | 0.0% | 3.2% | +72.7% |
| 10 | DNB Asset Management AS | 2.6M | $36.4M | 0.1% | 3.2% | -16.1% |
| 11 | GEODE CAPITAL MANAGEMENT, LLC | 2.0M | $27.2M | 0.0% | 2.4% | +7.6% |
| 12 | MORGAN STANLEY | 1.8M | $24.9M | 0.0% | 2.2% | -2.2% |
| 13 | RENAISSANCE TECHNOLOGIES LLC | 1.8M | $24.7M | 0.0% | 2.2% | +774.2% |
| 14 | Boston Partners | 1.7M | $22.7M | 0.0% | 2% | +39.8% |
| 15 | Qube Research & Technologies Ltd | 1.4M | $19.4M | 0.0% | 1.7% | +418.2% |
| 16 | DIMENSIONAL FUND ADVISORS LP | 1.4M | $19.0M | 0.0% | 1.7% | +2.2% |
| 17 | First Eagle Investment Management, LLC | 1.2M | $17.4M | 0.0% | 1.5% | -8.8% |
| 18 | WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 1.1M | $15.3M | 0.0% | 1.4% | -44.8% |
| 19 | D. E. Shaw & Co., Inc. | 1.1M | $15.2M | 0.0% | 1.3% | -10.4% |
| 20 | GOLDMAN SACHS GROUP INC | 1.0M | $14.5M | 0.0% | 1.3% | +7.7% |
| 21 | MARSHALL WACE, LLP | 1.0M | $14.4M | 0.0% | 1.3% | +16.5% |
| 22 | FMR LLC | 1.0M | $14.1M | 0.0% | 1.2% | +64.3% |
| 23 | Assenagon Asset Management S.A. | 917,754 | $12.8M | 0.0% | 1.1% | +100.4% |
| 24 | Divisar Capital Management LLC | 851,526 | $11.8M | 2.7% | 1.1% | -51.9% |
| 25 | FEDERATED HERMES, INC. | 849,967 | $11.8M | 0.0% | 1.1% | -7.9% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.