ADTRAN Ownership | Who Owns ADTRAN?
ADTRAN Ownership Summary
ADTRAN is owned by 18.99% institutional investors, 1.40% insiders, and 79.61% retail investors. Vanguard group is the largest institutional shareholder, holding 10.51% of ADTN shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 3.22% of its assets in ADTRAN shares.
ADTN Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | ADTRAN | 18.99% | 1.40% | 79.61% |
| Sector | Technology Stocks | 50.72% | 12.57% | 36.71% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Vanguard group | 8.38M | 10.51% | $78.64M |
| Blackrock funding, inc. /de | 8.27M | 10.37% | $77.60M |
| Divisar capital management | 3.21M | 4.03% | $30.14M |
| Dnb asset management as | 2.90M | 3.64% | $27.24M |
| William blair investment management | 2.74M | 3.43% | $25.67M |
| Royce & associates lp | 2.41M | 3.02% | $22.61M |
| State street | 1.90M | 2.38% | $17.82M |
| Geode capital management | 1.77M | 2.22% | $16.61M |
| First eagle investment management | 1.21M | 1.52% | $11.34M |
| Ophir asset management pty | 1.20M | 1.51% | $11.30M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Divisar capital management | 3.21M | 8.20% | $30.14M |
| Worth venture partners | 144.43K | 3.97% | $1.35M |
| Tieton capital management | 989.12K | 3.22% | $9.28M |
| Westerly capital management | 920.22K | 2.70% | $8.63M |
| 1492 capital management | 574.59K | 2.18% | $5.39M |
| Ophir asset management pty | 1.20M | 1.40% | $11.30M |
| Nierenberg investment management company | 343.11K | 1.38% | $3.22M |
| Needham investment management | 1.18M | 0.77% | $11.02M |
| Kovack advisors | 707.90K | 0.63% | $6.64M |
| White pine capital | 230.46K | 0.62% | $2.16M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Ophir asset management pty | 1.20M | 1.40% | 1.20M |
| Alyeska investment group | 1.08M | 0.03% | 1.08M |
| Assenagon asset management | 932.68K | 0.01% | 814.86K |
| Schonfeld strategic advisors | 786.82K | 0.04% | 773.51K |
| Tudor investment corp et al | 897.12K | 0.01% | 729.19K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Divisar capital management | 3.21M | 8.20% | -1.02M |
| Sg capital management | - | - | -847.42K |
| Marshall wace, llp | 358.05K | 0.00% | -458.48K |
| Apis capital advisors | - | - | -435.00K |
| Qube research | 284.36K | 0.00% | -402.36K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Ophir asset management pty | 1.20M | 1.40% | 1.20M | $11.30M |
| Wolverine asset management | 260.40K | 0.02% | 260.40K | $2.44M |
| Herald investment management | 200.00K | 0.25% | 200.00K | $1.87M |
| Atom investors lp | 178.21K | 0.13% | 178.21K | $1.67M |
| Lazard asset management | 176.30K | 0.00% | 176.30K | $1.58M |
Sold Out
| Holder | Change |
|---|---|
| Ifp advisors | -2.00 |
| Larson financial group | -3.00 |
| Stephens consulting | -40.00 |
| Twin peaks wealth advisors | -60.00 |
| Skopos labs | -86.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Sep 30, 2025 | 65 | -67.66% | 15,141,633 | -74.46% | 18 | 0.34% | 29 | -69.15% | 19 | -74.32% |
| Jun 30, 2025 | 200 | -6.54% | 59,280,556 | 1.30% | 74 | 1.37% | 92 | -28.13% | 75 | 29.31% |
| Mar 31, 2025 | 212 | 27.71% | 58,418,403 | -5.29% | 73 | 1.21% | 128 | 40.66% | 56 | 9.80% |
| Dec 31, 2024 | 166 | 4.40% | 61,680,520 | 4.39% | 77 | 1.39% | 91 | 44.44% | 51 | -22.73% |
| Sep 30, 2024 | 159 | -1.24% | 59,085,613 | -1.48% | 74 | 1.29% | 63 | -34.38% | 66 | 32.00% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 2.58M | 3.22% | -57.13K |
| Vanguard US Total Market Shares ETF | 2.18M | 2.72% | - |
| DNB Teknologi A | 2.04M | 2.55% | - |
| iShares Russell 2000 ETF | 1.81M | 2.27% | - |
| Vanguard Information Technology ETF | 1.72M | 2.14% | 17.07K |
| William Blair Small Cap Value I | 1.05M | 1.31% | -45.82K |
| First Eagle US Small Cap Strategy | 995.85K | 1.24% | - |
| First Eagle Small Cap Opportunity I | 995.85K | 1.24% | - |
| BlackRock Global Equity Mkt Netrl Instl | 986.50K | 1.23% | 275.12K |
| Tieton Small Cap Value | 952.49K | 1.19% | -8.25K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Nov 28, 2025 | Santo Timothy P | SVP of Finance; CFO | Buy | $49.32K |
| Nov 26, 2025 | Theodosopoulos Nikos | - | Buy | $100.43K |
| Nov 24, 2025 | STANTON THOMAS R | Chairman & CEO | Buy | $300.00K |
| Dec 07, 2022 | McCray Gregory James | - | Buy | $697.75 |
| Dec 07, 2022 | STANTON THOMAS R | Chairman & CEO | Buy | $12.53K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q2 | - | - |
| 2025 Q2 | - | - |
| 2024 Q3 | - | - |
| 2024 Q2 | - | - |
| 2024 Q1 | - | - |
ADTN Ownership FAQ
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