ADTRAN HOLDINGS INC COM is a security (CUSIP 00486H105) tracked across SEC portfolio filings. 235 institutional managers reported $931.7M on Form 13F as of 2026-06-30; 26 registered fund positions totaling $66.6M via N-PORT as of 2026-05-31.
Showing 15 of 235 managers by value.
| Manager | Location | Value | Shares |
|---|---|---|---|
| BlackRock, Inc. | New York, NY | $98.6M | 7,840,254 |
| VANGUARD GROUP INC | Valley Forge, PA | $71.2M | 8,188,496 |
| ROYCE & ASSOCIATES LP | New York, NY | $39.3M | 3,127,403 |
| DnB Asset Management AS | Oslo, Q8 | $39.3M | 3,123,679 |
| STATE STREET CORP | BOSTON, MA | $29.6M | 2,350,737 |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | CHICAGO, IL | $25.0M | 1,989,530 |
| MILLENNIUM MANAGEMENT LLC | NEW YORK, NY | $23.9M | 1,896,411 |
| MORGAN STANLEY | NEW YORK, NY | $23.1M | 1,832,872 |
| GEODE CAPITAL MANAGEMENT, LLC | BOSTON, MA | $22.9M | 1,819,123 |
| Boston Partners | BOSTON, MA | $22.7M | 1,651,038 |
| Divisar Capital Management LLC | SAN FRANCISCO, CA | $22.3M | 1,769,439 |
| JPMORGAN CHASE & CO | NEW YORK, NY | $18.5M | 1,518,697 |
| First Eagle Investment Management, LLC | NEW YORK, NY | $17.4M | 1,248,507 |
| DIMENSIONAL FUND ADVISORS LP | AUSTIN, TX | $16.8M | 1,337,028 |
| NEEDHAM INVESTMENT MANAGEMENT LLC | NEW YORK, NY | $15.5M | 1,228,500 |
Showing 15 of 26 fund positions by value.
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| VANGUARD EXTENDED MARKET INDEX FUND | VANGUARD INDEX FUNDS | $10.4M | 1.28% |
| VANGUARD EXPLORER FUND | VANGUARD EXPLORER FUND | $10.1M | 4.63% |
| ROYCE MICRO-CAP TRUST, INC. | ROYCE MICRO-CAP TRUST, INC. | $9.1M | 131.63% |
| VANGUARD STRATEGIC EQUITY FUND | VANGUARD HORIZON FUNDS | $8.0M | 7.95% |
| VANGUARD RUSSELL 2000 INDEX FUND | VANGUARD SCOTTSDALE FUNDS | $6.3M | 3.60% |
| Paradigm Micro-Cap Fund | PARADIGM FUNDS | $3.8M | 281.00% |
| VANGUARD MARKET NEUTRAL FUND | VANGUARD MONTGOMERY FUNDS | $3.6M | 82.28% |
| U.S. MICRO CAP PORTFOLIO | DFA INVESTMENT DIMENSIONS GROUP INC | $3.3M | 4.37% |
| ROYCE SMALL-CAP TRUST, INC. | ROYCE SMALL-CAP TRUST, INC. | $2.1M | 9.47% |
| Weiss Strategic Interval Fund | Weiss Strategic Interval Fund | $2.0M | 38.65% |
| Master Small Cap Index Series | Quantitative Master Series LLC | $1.6M | 3.32% |
| Small Cap Core Portfolio | Bernstein Fund Inc | $1.3M | 18.65% |
| VANGUARD U.S. MOMENTUM FACTOR ETF | VANGUARD WELLINGTON FUND | $1.2M | 6.45% |
| Needham Growth Fund | Needham Funds Inc | $1.1M | 61.66% |
| Goldman Sachs ActiveBeta(R) U.S. Small Cap Equity ETF | Goldman Sachs ETF Trust | $1.1M | 10.91% |